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1 |
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2 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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3 <html> |
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4 <head> |
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5 <title>YUI Library Examples: Event: Skinning via Progressive Enhancement using the Event Utility and the Loader</title> |
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6 <meta http-equiv="content-type" content="text/html; charset=utf-8"> |
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7 <link rel="stylesheet" type="text/css" href="../../assets/yui.css" > |
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8 |
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9 <style> |
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10 /*Supplemental CSS for the YUI distribution*/ |
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11 #custom-doc { width: 95%; min-width: 950px; } |
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12 #pagetitle {background-image: url(../../assets/bg_hd.gif);} |
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13 /* #pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}*/ |
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14 </style> |
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15 |
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16 <link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css"> |
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17 <link type="text/css" rel="stylesheet" href="../../build/cssfonts/fonts-min.css" /> |
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18 <script type="text/javascript" src="../../build/yui/yui-min.js"></script> |
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19 <style type="text/css"> |
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20 |
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21 .yui-checkboxes-loading #checkboxes { |
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22 display: none; |
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23 } |
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24 |
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25 </style> |
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26 |
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27 <script type="text/javascript"> |
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28 |
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29 // Hide the checkboxes if JavaScript is enabled to prevent |
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30 // the user from seeing a flash of unstyled content while |
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31 // the JavaScript for the checkboxes is being loaded. |
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32 document.documentElement.className = "yui-checkboxes-loading"; |
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33 |
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34 </script> |
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35 </head> |
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36 <body id="yahoo-com" class=" yui-skin-sam"> |
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37 <div id="custom-doc" class="yui-t2"> |
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38 <div id="hd"> |
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39 <div id="ygunav"> |
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40 <p> |
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41 <em> |
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42 <a href="http://developer.yahoo.com/yui/3/">YUI 3.x Home</a> <i> - </i> |
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43 </em> |
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44 </p> |
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45 <form action="http://search.yahoo.com/search" id="sitesearchform"> |
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46 <input name="vs" type="hidden" value="developer.yahoo.com"> |
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47 <input name="vs" type="hidden" value="yuiblog.com"> |
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48 <div id="sitesearch"> |
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49 <label for="searchinput">Site Search (YDN & YUIBlog): </label> |
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50 <input type="text" id="searchinput" name="p"> |
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51 <input type="submit" value="Search" id="searchsubmit" class="ygbt"> |
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52 </div> |
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53 </form> |
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54 </div> |
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55 <div id="ygma"><a href="../../"><img src="../../assets/logo.gif" border="0" width="200" height="93"></a></div> |
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56 <div id="pagetitle"><h1>YUI Library Examples: Event: Skinning via Progressive Enhancement using the Event Utility and the Loader</h1></div> |
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57 </div> |
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58 <div id="bd"> |
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59 |
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60 |
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61 <div id="yui-main"> |
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62 <div class="yui-b"> |
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63 <div class="yui-ge"> |
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64 <div class="yui-u first example" id="main"> |
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65 |
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66 <h2>Event: Skinning via Progressive Enhancement using the Event Utility and the Loader</h2> |
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67 |
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68 <div id="example" class="promo"> |
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69 <div class="example-intro"> |
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70 <p> |
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71 Using Progressive Enhancement to skin checkboxes with the help of the |
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72 <a href="../../api/Loader.html">Loader</a>, |
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73 <a href="../../api/module_classnamemanager.html">ClassNameManager Utility</a>, |
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74 and the Event Utility's <code>focus</code> and <code>blur</code> events and the |
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75 <code>delegate</code> method. |
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76 </p> </div> |
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77 |
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78 <div class="module example-container "> |
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79 <div class="hd exampleHd"> |
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80 <p class="newWindowButton yui-skin-sam"> |
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81 <a href="event-focus-blur_clean.html" target="_blank">View example in new window.</a> |
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82 </p> |
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83 </div> <div id="example-canvas" class="bd"> |
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84 |
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85 |
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86 <!--BEGIN SOURCE CODE FOR EXAMPLE =============================== --> |
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87 |
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88 <div id="checkboxes"> |
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89 <div> |
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90 <label for="field-1">Field 1: </label> |
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91 <span> |
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92 <span> |
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93 <input type="checkbox" id="field-1" name="field-1" value="1"> |
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94 </span> |
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95 </span> |
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96 </div> |
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97 <div> |
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98 <label for="field-2">Field 2: </label> |
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99 <span> |
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100 <span> |
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101 <input type="checkbox" id="field-2" name="field-2" value="2"> |
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102 </span> |
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103 </span> |
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104 </div> |
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105 <div> |
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106 <label for="field-3">Field 3: </label> |
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107 <span> |
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108 <span> |
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109 <input type="checkbox" id="field-3" name="field-3" value="3"> |
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110 </span> |
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111 </span> |
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112 </div> |
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113 </div> |
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114 |
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115 <script type="text/javascript"> |
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116 |
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117 YUI({ |
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118 |
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119 base: "../../build/", |
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120 |
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121 // Load the stylesheet for the skinned checkboxes via JavaScript, |
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122 // since without JavaScript skinning of the checkboxes wouldn't |
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123 // be possible. |
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124 |
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125 modules: { |
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126 |
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127 "checkboxcss": { |
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128 type: "css", |
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129 fullpath: "assets/checkbox.css" |
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130 }, |
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131 |
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132 "checkboxjs": { |
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133 type: "js", |
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134 fullpath: "assets/checkbox.js", |
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135 requires: ["classnamemanager", "event-focus", "node-event-delegate", "checkboxcss"] |
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136 } |
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137 |
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138 } |
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139 |
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140 }).use("checkboxjs", function(Y, result) { |
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141 |
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142 // The callback supplied to use() will be executed regardless of |
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143 // whether the operation was successful or not. The second parameter |
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144 // is a result object that has the status of the operation. We can |
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145 // use this to try to recover from failures or timeouts. |
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146 |
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147 if (!result.success) { |
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148 |
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149 Y.log("Load failure: " + result.msg, "warn", "Example"); |
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150 |
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151 // Show the checkboxes if the loader failed that way the original |
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152 // unskinned checkboxes will be visible so that the user can |
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153 // interact with them either way. |
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154 |
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155 document.documentElement.className = ""; |
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156 |
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157 } |
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158 |
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159 }); |
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160 |
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161 </script> |
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162 |
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163 <!--END SOURCE CODE FOR EXAMPLE =============================== --> |
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164 |
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165 |
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166 </div> |
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167 </div> |
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168 </div> |
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169 |
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170 <h3>Challenges</h3> |
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171 <p> |
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172 There are a few challenges when trying to skin an HTML checkbox using CSS. To start, most of the |
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173 <a href="http://developer.yahoo.com/yui/articles/gbs/#a-grade">A-grade browsers</a> don't provide |
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174 support for CSS properties like <code>border</code> and <code>background</code> on the |
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175 <code><input type="checkbox"></code> element. Additionally, IE 6 and IE 7 (Quirks Mode) |
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176 lack support for attribute selectors — necessary to style the <code>checked</code> and |
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177 <code>disabled</code> states. Additionally, IE 6 and 7 only support the <code>:focus</code> and |
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178 <code>:active</code> pseudo classes on <code><a></code> elements, both of which are needed |
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179 to style a checkbox when it is focused or depressed. |
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180 </p> |
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181 |
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182 <h3>Approach</h3> |
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183 <p> |
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184 Despite the shortcomings in CSS support, with a little extra markup and through the use of |
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185 JavaScript it is possible to skin an <code><input type="checkbox"></code> element |
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186 consistently well in all of the |
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187 <a href="http://developer.yahoo.com/yui/articles/gbs/#a-grade">A-grade browsers</a>. |
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188 </p> |
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189 |
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190 |
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191 <h4>Markup</h4> |
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192 <p> |
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193 Since CSS support for the <code><input type="checkbox"></code> element is lacking, wrap |
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194 <code><input type="checkbox"></code> elements in one or more inline elements to provide the |
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195 necessary hooks for styling. In this example, each <code><input type="checkbox"></code> |
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196 element is wrapped by two <code><span></code>s. |
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197 </p> |
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198 |
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199 <div id="syntax1" class="yui-syntax-highlight"><div class="numbers"><pre class="html4strict" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="sc2"><<span class="kw2">span</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">span</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"checkbox"</span>></span></div></li><li class="li1"><div class="de1"> <span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span></div></li><li class="li2"><div class="de2"><span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span></div></li></ol></pre></div><div class="nonumbers"><pre class="html4strict" style="font-family:monospace;"><span class="sc2"><<span class="kw2">span</span>></span> |
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200 <span class="sc2"><<span class="kw2">span</span>></span> |
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201 <span class="sc2"><<span class="kw2">input</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"checkbox"</span>></span> |
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202 <span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span> |
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203 <span class="sc2"><<span class="sy0">/</span><span class="kw2">span</span>></span></pre></div><textarea id="syntax1-plain"><span> |
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204 <span> |
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205 <input type="checkbox"> |
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206 </span> |
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207 </span></textarea></div> |
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208 <h4>CSS</h4> |
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209 <p> |
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210 To style each checkbox, a class name of <code>yui-checkbox</code> will be applied to the |
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211 outtermost <code><span></code> wrapping each <code><input type="checkbox"></code> |
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212 element. An additional class will be used to represent the various states of each checkbox. The |
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213 class name for each state will follow a consistent pattern: <code>yui-checkbox-[state]</code>. |
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214 For this example, the following state-based class names will be used: |
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215 </p> |
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216 <dl> |
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217 <dt><code>yui-checkbox-focus</code></dt> |
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218 <dd>The checkbox has focus</dd> |
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219 <dt><code>yui-checkbox-active</code></dt> |
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220 <dd>The checkbox is active (pressed)</dd> |
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221 <dt><code>yui-checkbox-checked</code></dt> |
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222 <dd>The checkbox is checked</dd> |
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223 </dl> |
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224 <p> |
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225 The styles for each checkbox comes together as follows: |
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226 </p> |
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227 |
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228 <div id="syntax2" class="yui-syntax-highlight"><div class="numbers"><pre class="css" style="font-family:monospace;"><ol><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> -moz-inline-stack<span class="sy0">;</span> <span class="coMULTI">/* Gecko < 1.9, since it doesn't support "inline-block" */</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> inline-<span class="kw2">block</span><span class="sy0">;</span> <span class="coMULTI">/* IE, Opera and Webkit, and Gecko 1.9 */</span></div></li><li class="li1"><div class="de1"> <span class="kw1">width</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">height</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">border</span><span class="sy0">:</span> <span class="kw2">inset</span> <span class="re3">2px</span> <span class="re0">#999</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#fff</span><span class="sy0">;</span> <span class="coMULTI">/* Need to set a background color or IE won't get mouse events */</span> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="coMULTI">/*</span></div></li><li class="li2"><div class="de2"><span class="coMULTI"> Necessary for IE 6 (Quirks and Standards Mode) and IE 7 (Quirks Mode), since </span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> they don't support use of negative margins without relative positioning. </span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> */</span></div></li><li class="li1"><div class="de1"> _position<span class="sy0">:</span> <span class="kw2">relative</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> span <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw1">display</span><span class="sy0">:</span> <span class="kw2">block</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">height</span><span class="sy0">:</span> <span class="re3">14px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">width</span><span class="sy0">:</span> <span class="re3">12px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">overflow</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="coMULTI">/* Position the checkmark for Gecko, Opera and Webkit and IE 7 (Strict Mode). */</span></div></li><li class="li1"><div class="de1"> <span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">-5px</span> <span class="nu0">0</span> <span class="nu0">0</span> <span class="re3">1px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="coMULTI">/* Position the checkmark for IE 6 (Strict and Quirks Mode) and IE 7 (Quirks Mode).*/</span></div></li><li class="li1"><div class="de1"> _margin<span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> _position<span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> _top<span class="sy0">:</span> <span class="re3">-5px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> _left<span class="sy0">:</span> <span class="re3">1px</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="coMULTI">/* For Gecko < 1.9: Positions the checkbox on the same line as its corresponding label. */</span></div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> span<span class="re2">:after </span><span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">content</span><span class="sy0">:</span> <span class="st0">"."</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">visibility</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">line-height</span><span class="sy0">:</span> <span class="nu0">2</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="coMULTI">/*</span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> Hide the actual checkbox offscreen so that it is out of view, but still accessible via </span></div></li><li class="li1"><div class="de1"><span class="coMULTI"> the keyboard. </span></div></li><li class="li1"><div class="de1"><span class="coMULTI">*/</span></div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox</span> input <span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">position</span><span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">left</span><span class="sy0">:</span> <span class="re3">-10000px</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox-focus</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">border-color</span><span class="sy0">:</span> <span class="re0">#39f</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#9cf</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox-active</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#ccc</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="re1">.yui-checkbox-checked</span> span <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="coMULTI">/* Draw a custom checkmark for the checked state using a background image. */</span></div></li><li class="li2"><div class="de2"> <span class="kw1">background</span><span class="sy0">:</span> <span class="kw2">url</span><span class="br0">(</span><span class="co2">checkmark.png</span><span class="br0">)</span> <span class="kw2">no-repeat</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span></div></li></ol></pre></div><div class="nonumbers"><pre class="css" style="font-family:monospace;"><span class="re1">.yui-checkbox</span> <span class="br0">{</span> |
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229 <span class="kw1">display</span><span class="sy0">:</span> -moz-inline-stack<span class="sy0">;</span> <span class="coMULTI">/* Gecko < 1.9, since it doesn't support "inline-block" */</span> |
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230 <span class="kw1">display</span><span class="sy0">:</span> inline-<span class="kw2">block</span><span class="sy0">;</span> <span class="coMULTI">/* IE, Opera and Webkit, and Gecko 1.9 */</span> |
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231 <span class="kw1">width</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span> |
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232 <span class="kw1">height</span><span class="sy0">:</span> <span class="re3">10px</span><span class="sy0">;</span> |
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233 <span class="kw1">border</span><span class="sy0">:</span> <span class="kw2">inset</span> <span class="re3">2px</span> <span class="re0">#999</span><span class="sy0">;</span> |
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234 <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#fff</span><span class="sy0">;</span> <span class="coMULTI">/* Need to set a background color or IE won't get mouse events */</span> |
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235 |
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236 <span class="coMULTI">/* |
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237 Necessary for IE 6 (Quirks and Standards Mode) and IE 7 (Quirks Mode), since |
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238 they don't support use of negative margins without relative positioning. |
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239 */</span> |
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240 _position<span class="sy0">:</span> <span class="kw2">relative</span><span class="sy0">;</span> |
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241 <span class="br0">}</span> |
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242 |
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243 <span class="re1">.yui-checkbox</span> span <span class="br0">{</span> |
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244 <span class="kw1">display</span><span class="sy0">:</span> <span class="kw2">block</span><span class="sy0">;</span> |
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245 <span class="kw1">height</span><span class="sy0">:</span> <span class="re3">14px</span><span class="sy0">;</span> |
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246 <span class="kw1">width</span><span class="sy0">:</span> <span class="re3">12px</span><span class="sy0">;</span> |
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247 <span class="kw1">overflow</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span> |
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248 |
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249 <span class="coMULTI">/* Position the checkmark for Gecko, Opera and Webkit and IE 7 (Strict Mode). */</span> |
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250 <span class="kw1">margin</span><span class="sy0">:</span> <span class="re3">-5px</span> <span class="nu0">0</span> <span class="nu0">0</span> <span class="re3">1px</span><span class="sy0">;</span> |
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251 |
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252 <span class="coMULTI">/* Position the checkmark for IE 6 (Strict and Quirks Mode) and IE 7 (Quirks Mode).*/</span> |
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253 _margin<span class="sy0">:</span> <span class="nu0">0</span><span class="sy0">;</span> |
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254 _position<span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span> |
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255 _top<span class="sy0">:</span> <span class="re3">-5px</span><span class="sy0">;</span> |
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256 _left<span class="sy0">:</span> <span class="re3">1px</span><span class="sy0">;</span> |
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257 |
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258 <span class="br0">}</span> |
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259 |
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260 <span class="coMULTI">/* For Gecko < 1.9: Positions the checkbox on the same line as its corresponding label. */</span> |
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261 <span class="re1">.yui-checkbox</span> span<span class="re2">:after </span><span class="br0">{</span> |
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262 <span class="kw1">content</span><span class="sy0">:</span> <span class="st0">"."</span><span class="sy0">;</span> |
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263 <span class="kw1">visibility</span><span class="sy0">:</span> <span class="kw2">hidden</span><span class="sy0">;</span> |
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264 <span class="kw1">line-height</span><span class="sy0">:</span> <span class="nu0">2</span><span class="sy0">;</span> |
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265 <span class="br0">}</span> |
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266 |
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267 <span class="coMULTI">/* |
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268 Hide the actual checkbox offscreen so that it is out of view, but still accessible via |
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269 the keyboard. |
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270 */</span> |
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271 <span class="re1">.yui-checkbox</span> input <span class="br0">{</span> |
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272 <span class="kw1">position</span><span class="sy0">:</span> <span class="kw2">absolute</span><span class="sy0">;</span> |
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273 <span class="kw1">left</span><span class="sy0">:</span> <span class="re3">-10000px</span><span class="sy0">;</span> |
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274 <span class="br0">}</span> |
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275 |
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276 <span class="re1">.yui-checkbox-focus</span> <span class="br0">{</span> |
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277 <span class="kw1">border-color</span><span class="sy0">:</span> <span class="re0">#39f</span><span class="sy0">;</span> |
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278 <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#9cf</span><span class="sy0">;</span> |
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279 <span class="br0">}</span> |
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280 |
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281 <span class="re1">.yui-checkbox-active</span> <span class="br0">{</span> |
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282 <span class="kw1">background-color</span><span class="sy0">:</span> <span class="re0">#ccc</span><span class="sy0">;</span> |
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283 <span class="br0">}</span> |
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284 |
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285 <span class="re1">.yui-checkbox-checked</span> span <span class="br0">{</span> |
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286 <span class="coMULTI">/* Draw a custom checkmark for the checked state using a background image. */</span> |
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287 <span class="kw1">background</span><span class="sy0">:</span> <span class="kw2">url</span><span class="br0">(</span><span class="co2">checkmark.png</span><span class="br0">)</span> <span class="kw2">no-repeat</span><span class="sy0">;</span> |
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288 <span class="br0">}</span></pre></div><textarea id="syntax2-plain">.yui-checkbox { |
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289 display: -moz-inline-stack; /* Gecko < 1.9, since it doesn't support "inline-block" */ |
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290 display: inline-block; /* IE, Opera and Webkit, and Gecko 1.9 */ |
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291 width: 10px; |
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292 height: 10px; |
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293 border: inset 2px #999; |
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294 background-color: #fff; /* Need to set a background color or IE won't get mouse events */ |
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295 |
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296 /* |
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297 Necessary for IE 6 (Quirks and Standards Mode) and IE 7 (Quirks Mode), since |
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298 they don't support use of negative margins without relative positioning. |
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299 */ |
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300 _position: relative; |
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301 } |
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302 |
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303 .yui-checkbox span { |
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304 display: block; |
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305 height: 14px; |
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306 width: 12px; |
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307 overflow: hidden; |
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308 |
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309 /* Position the checkmark for Gecko, Opera and Webkit and IE 7 (Strict Mode). */ |
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310 margin: -5px 0 0 1px; |
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311 |
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312 /* Position the checkmark for IE 6 (Strict and Quirks Mode) and IE 7 (Quirks Mode).*/ |
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313 _margin: 0; |
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314 _position: absolute; |
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315 _top: -5px; |
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316 _left: 1px; |
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317 |
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318 } |
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319 |
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320 /* For Gecko < 1.9: Positions the checkbox on the same line as its corresponding label. */ |
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321 .yui-checkbox span:after { |
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322 content: "."; |
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323 visibility: hidden; |
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324 line-height: 2; |
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325 } |
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326 |
|
327 /* |
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328 Hide the actual checkbox offscreen so that it is out of view, but still accessible via |
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329 the keyboard. |
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330 */ |
|
331 .yui-checkbox input { |
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332 position: absolute; |
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333 left: -10000px; |
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334 } |
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335 |
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336 .yui-checkbox-focus { |
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337 border-color: #39f; |
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338 background-color: #9cf; |
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339 } |
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340 |
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341 .yui-checkbox-active { |
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342 background-color: #ccc; |
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343 } |
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344 |
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345 .yui-checkbox-checked span { |
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346 /* Draw a custom checkmark for the checked state using a background image. */ |
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347 background: url(checkmark.png) no-repeat; |
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348 }</textarea></div> |
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349 <h4>JavaScript</h4> |
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350 |
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351 <p> |
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352 Application and removal of the state-based class names will be facilitated by JavaScript event |
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353 handlers. Each event handler will track the state of the |
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354 <code><input type="checkbox"></code> element, and apply and remove corresponding |
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355 state-based class names from its outtermost <code><span></code> — |
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356 making it easy to style each state. And since each JavaScript is required for state management, |
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357 the stylesheet for the skinned checkboxes will only be added to the page when JavaScript is |
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358 enabled. This will ensure that each checkbox works correctly with and without JavaScript enabled. |
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359 </p> |
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360 |
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361 <p> |
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362 Since there could easily be many instances of a skinned checkbox on the page, all event |
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363 listeners will be attached to the containing element for all checkboxes. Each listener will |
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364 listen for events as they bubble up from each checkbox. Relying on event bubbling will improve the |
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365 overall performance of the page by reducing the number of event handlers. |
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366 </p> |
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367 |
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368 <p> |
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369 Since the DOM <code>focus</code> and <code>blur</code> events do not bubble, use the Event Utility's |
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370 <a href="../../api/YUI.html#event_focus"><code>focus</code></a> and |
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371 <a href="../../api/YUI.html#event_focus"><code>blur</code></a> custom events, as an alternative to |
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372 attaching discrete focus and blur event handlers to the <code><input type="checkbox"></code> |
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373 element of each skinned checkbox. The |
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374 <a href="../../api/YUI.html#event_focus"><code>focus</code></a> and |
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375 <a href="../../api/YUI.html#event_focus"><code>blur</code></a> custom events leverage |
|
376 capture-phase DOM event listeners, making it possible to attach a single focus and blur event |
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377 listener on the containing element of each checkbox — thereby increasing the performance |
|
378 of the page. The complete script for the example comes together as follows: |
|
379 </p> |
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380 |
|
381 <div id="syntax3" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">(</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"*"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> UA <span class="sy0">=</span> Y.<span class="me1">UA</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> getClassName <span class="sy0">=</span> Y.<span class="me1">ClassNameManager</span>.<span class="me1">getClassName</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> sCheckboxFocusClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"focus"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-focus</span></div></li><li class="li1"><div class="de1"> sCheckboxCheckedClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"checked"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-checked</span></div></li><li class="li1"><div class="de1"> sCheckboxActiveClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"active"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-active</span></div></li><li class="li1"><div class="de1"> bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> forAttr <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> UA.<span class="me1">ie</span> <span class="sy0"><</span> <span class="nu0">8</span><span class="br0">)</span> <span class="sy0">?</span> <span class="st0">"htmlFor"</span> <span class="sy0">:</span> <span class="st0">"for"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> </div></li><li class="li1"><div class="de1"> oActiveCheckbox<span class="sy0">;</span> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> initKeyListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"keydown"</span><span class="sy0">,</span> onCheckboxKeyDown<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"click"</span><span class="sy0">,</span> onCheckboxClick<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"blur"</span><span class="sy0">,</span> onCheckboxBlur<span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> initMouseListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseover"</span><span class="sy0">,</span> onCheckboxMouseOver<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseout"</span><span class="sy0">,</span> onCheckboxMouseOut<span class="sy0">,</span> <span class="st0">".yui-checkbox-active"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">on</span><span class="br0">(</span><span class="st0">"mouseup"</span><span class="sy0">,</span> onDocumentMouseUp<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> getCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>node<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">return</span> <span class="br0">(</span>node.<span class="me1">hasClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span> <span class="sy0">?</span> node <span class="sy0">:</span> node.<span class="me1">ancestor</span><span class="br0">(</span><span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> getCheckboxForLabel <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>label<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> sID <span class="sy0">=</span> label.<span class="me1">getAttribute</span><span class="br0">(</span>forAttr<span class="br0">)</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> oInput<span class="sy0">,</span></div></li><li class="li2"><div class="de2"> oCheckbox<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>sID<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oInput <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#"</span> <span class="sy0">+</span> sID<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>oInput<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">return</span> oCheckbox<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> updateCheckedState <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>input<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>input<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>input.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="kw1">else</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> setActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>checkbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> checkbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox <span class="sy0">=</span> checkbox<span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> clearActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox <span class="sy0">=</span> <span class="kw2">null</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxMouseOver <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="sy0">,</span> matchedEl<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox <span class="sy0">&&</span> oActiveCheckbox.<span class="me1">compareTo</span><span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oActiveCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxMouseOut <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">this</span>.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw2">var</span> onDocumentMouseUp <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockDocumentMouseUp<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>event.<span class="me1">target</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="br0">(</span>oCheckbox <span class="sy0">&&</span> <span class="sy0">!</span>oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="sy0">||</span> <span class="sy0">!</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxFocus <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Remove the focus style from any checkbox that might still have it</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">".yui-checkbox-focus"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">if</span> <span class="br0">(</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Defer adding key-related and click event listeners until </span></div></li><li class="li2"><div class="de2"> <span class="co1">// one of the checkboxes is initially focused.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bKeyListenersInitialized<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> initKeyListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxBlur <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">if</span> <span class="br0">(</span>bBlockBlur<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="kw1">return</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockClearActive <span class="sy0">&&</span> oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxMouseDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// Defer adding mouse-related and click event listeners until </span></div></li><li class="li1"><div class="de1"> <span class="co1">// the user mouses down on one of the checkboxes.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bMouseListenersInitialized<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> initMouseListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oCheckbox<span class="sy0">,</span></div></li><li class="li1"><div class="de1"> oInput<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"nodeName"</span><span class="br0">)</span>.<span class="me1">toLowerCase</span><span class="br0">(</span><span class="br0">)</span> <span class="sy0">===</span> <span class="st0">"label"</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// If the target of the event was the checkbox's label element, the</span></div></li><li class="li1"><div class="de1"> <span class="co1">// label will dispatch a click event to the checkbox, meaning the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// "onCheckboxClick" handler will be called twice. For that reason</span></div></li><li class="li1"><div class="de1"> <span class="co1">// it is necessary to block the "onDocumentMouseUp" handler from</span></div></li><li class="li1"><div class="de1"> <span class="co1">// clearing the active state, so that a reference to the active </span></div></li><li class="li1"><div class="de1"> <span class="co1">// checkbox still exists the second time the "onCheckboxClick"</span></div></li><li class="li1"><div class="de1"> <span class="co1">// handler is called.</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// When the user clicks the label instead of the checkbox itself, </span></div></li><li class="li1"><div class="de1"> <span class="co1">// the checkbox will be blurred if it has focus. Since the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// "onCheckboxBlur" handler clears the active state it is </span></div></li><li class="li1"><div class="de1"> <span class="co1">// necessary to block the clearing of the active state when the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// label is clicked instead of the checkbox itself.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockClearActive <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> getCheckboxForLabel<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> <span class="kw1">else</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> oCheckbox <span class="sy0">=</span> <span class="kw1">this</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// Need to focus the input manually for two reasons:</span></div></li><li class="li1"><div class="de1"> <span class="co1">// 1) Mousing down on a label in Webkit doesn't focus its </span></div></li><li class="li1"><div class="de1"> <span class="co1">// associated checkbox</span></div></li><li class="li1"><div class="de1"> <span class="co1">// 2) By default checkboxes are focused when the user mouses </span></div></li><li class="li1"><div class="de1"> <span class="co1">// down on them. However, since the actually checkbox is </span></div></li><li class="li2"><div class="de2"> <span class="co1">// obscurred by the two span elements that are used to </span></div></li><li class="li1"><div class="de1"> <span class="co1">// style it, the checkbox wont' receive focus as it was </span></div></li><li class="li1"><div class="de1"> <span class="co1">// never the actual target of the mousedown event.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oInput <span class="sy0">=</span> oCheckbox.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Calling Event.preventDefault won't block the blurring of the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// currently focused element in IE, so we'll use the "bBlockBlur"</span></div></li><li class="li1"><div class="de1"> <span class="co1">// variable to stop the code in the blur event handler </span></div></li><li class="li2"><div class="de2"> <span class="co1">// from executing.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> bBlockBlur <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> oInput.<span class="kw3">focus</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> setActiveCheckbox<span class="br0">(</span>oCheckbox<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Need to call preventDefault because by default mousing down on</span></div></li><li class="li2"><div class="de2"> <span class="co1">// an element will blur the element in the document that currently </span></div></li><li class="li1"><div class="de1"> <span class="co1">// has focus--in this case, the input element that was </span></div></li><li class="li1"><div class="de1"> <span class="co1">// just focused.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> event.<span class="me1">preventDefault</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxClick <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> oInput<span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> oInput <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>event.<span class="me1">target</span>.<span class="me1">compareTo</span><span class="br0">(</span>oInput<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// If the click event was fired via the mouse the checked</span></div></li><li class="li2"><div class="de2"> <span class="co1">// state will have to be manually updated since the input </span></div></li><li class="li1"><div class="de1"> <span class="co1">// is hidden offscreen and therefore couldn't be the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// target of the click.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> oInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">"checked"</span><span class="sy0">,</span> <span class="br0">(</span><span class="sy0">!</span>oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> updateCheckedState<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> onCheckboxKeyDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Style the checkbox as being active when the user presses the </span></div></li><li class="li1"><div class="de1"> <span class="co1">// space bar</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw1">if</span> <span class="br0">(</span>event.<span class="me1">keyCode</span> <span class="sy0">===</span> <span class="nu0">32</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> setActiveCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">all</span><span class="br0">(</span><span class="st0">"#checkboxes>div>span"</span><span class="br0">)</span>.<span class="me1">addClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Remove the "yui-checkboxes-loading" class used to hide the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// checkboxes now that the checkboxes have been skinned.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"documentElement"</span><span class="br0">)</span>.<span class="me1">removeClass</span><span class="br0">(</span><span class="st0">"yui-checkboxes-loading"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Add the minimum number of event listeners needed to start, bind the </span></div></li><li class="li2"><div class="de2"> <span class="co1">// rest when needed</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mousedown"</span><span class="sy0">,</span> onCheckboxMouseDown<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">".yui-checkbox,label"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"focus"</span><span class="sy0">,</span> onCheckboxFocus<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">(</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"*"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span> |
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382 |
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383 <span class="kw2">var</span> UA <span class="sy0">=</span> Y.<span class="me1">UA</span><span class="sy0">,</span> |
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384 getClassName <span class="sy0">=</span> Y.<span class="me1">ClassNameManager</span>.<span class="me1">getClassName</span><span class="sy0">,</span> |
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385 sCheckboxFocusClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"focus"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-focus</span> |
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386 sCheckboxCheckedClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"checked"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-checked</span> |
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387 sCheckboxActiveClass <span class="sy0">=</span> getClassName<span class="br0">(</span><span class="st0">"checkbox"</span><span class="sy0">,</span> <span class="st0">"active"</span><span class="br0">)</span><span class="sy0">,</span> <span class="co1">// Create yui-checkbox-active</span> |
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388 bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> |
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389 bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> |
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390 forAttr <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> UA.<span class="me1">ie</span> <span class="sy0"><</span> <span class="nu0">8</span><span class="br0">)</span> <span class="sy0">?</span> <span class="st0">"htmlFor"</span> <span class="sy0">:</span> <span class="st0">"for"</span><span class="sy0">,</span> |
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391 bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> |
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392 bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> |
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393 bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">,</span> |
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394 oActiveCheckbox<span class="sy0">;</span> |
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395 |
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396 |
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397 <span class="kw2">var</span> initKeyListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> |
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398 |
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399 <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"keydown"</span><span class="sy0">,</span> onCheckboxKeyDown<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span> |
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400 <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"click"</span><span class="sy0">,</span> onCheckboxClick<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span> |
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401 <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"blur"</span><span class="sy0">,</span> onCheckboxBlur<span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span> |
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402 |
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403 bKeyListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span> |
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404 |
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405 <span class="br0">}</span><span class="sy0">;</span> |
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406 |
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407 |
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408 <span class="kw2">var</span> initMouseListeners <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> |
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409 |
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410 <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseover"</span><span class="sy0">,</span> onCheckboxMouseOver<span class="sy0">,</span> <span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span> |
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411 <span class="kw1">this</span>.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mouseout"</span><span class="sy0">,</span> onCheckboxMouseOut<span class="sy0">,</span> <span class="st0">".yui-checkbox-active"</span><span class="br0">)</span><span class="sy0">;</span> |
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412 <span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">on</span><span class="br0">(</span><span class="st0">"mouseup"</span><span class="sy0">,</span> onDocumentMouseUp<span class="br0">)</span><span class="sy0">;</span> |
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413 |
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414 bMouseListenersInitialized <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span> |
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415 |
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416 <span class="br0">}</span><span class="sy0">;</span> |
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417 |
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418 |
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419 <span class="kw2">var</span> getCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>node<span class="br0">)</span> <span class="br0">{</span> |
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420 |
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421 <span class="kw1">return</span> <span class="br0">(</span>node.<span class="me1">hasClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span> <span class="sy0">?</span> node <span class="sy0">:</span> node.<span class="me1">ancestor</span><span class="br0">(</span><span class="st0">".yui-checkbox"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span> |
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422 |
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423 <span class="br0">}</span><span class="sy0">;</span> |
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424 |
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425 |
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426 <span class="kw2">var</span> getCheckboxForLabel <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>label<span class="br0">)</span> <span class="br0">{</span> |
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427 |
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428 <span class="kw2">var</span> sID <span class="sy0">=</span> label.<span class="me1">getAttribute</span><span class="br0">(</span>forAttr<span class="br0">)</span><span class="sy0">,</span> |
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429 oInput<span class="sy0">,</span> |
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430 oCheckbox<span class="sy0">;</span> |
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431 |
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432 <span class="kw1">if</span> <span class="br0">(</span>sID<span class="br0">)</span> <span class="br0">{</span> |
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433 |
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434 oInput <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#"</span> <span class="sy0">+</span> sID<span class="br0">)</span><span class="sy0">;</span> |
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435 |
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436 <span class="kw1">if</span> <span class="br0">(</span>oInput<span class="br0">)</span> <span class="br0">{</span> |
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437 oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span> |
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438 <span class="br0">}</span> |
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439 |
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440 <span class="br0">}</span> |
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441 |
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442 <span class="kw1">return</span> oCheckbox<span class="sy0">;</span> |
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443 |
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444 <span class="br0">}</span><span class="sy0">;</span> |
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445 |
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446 |
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447 <span class="kw2">var</span> updateCheckedState <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>input<span class="br0">)</span> <span class="br0">{</span> |
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448 |
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449 <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>input<span class="br0">)</span><span class="sy0">;</span> |
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450 |
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451 <span class="kw1">if</span> <span class="br0">(</span>input.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span> |
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452 oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span> |
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453 <span class="br0">}</span> |
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454 <span class="kw1">else</span> <span class="br0">{</span> |
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455 oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxCheckedClass<span class="br0">)</span><span class="sy0">;</span> |
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456 <span class="br0">}</span> |
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457 |
|
458 <span class="br0">}</span><span class="sy0">;</span> |
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459 |
|
460 |
|
461 <span class="kw2">var</span> setActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>checkbox<span class="br0">)</span> <span class="br0">{</span> |
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462 |
|
463 checkbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span> |
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464 oActiveCheckbox <span class="sy0">=</span> checkbox<span class="sy0">;</span> |
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465 |
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466 <span class="br0">}</span><span class="sy0">;</span> |
|
467 |
|
468 |
|
469 <span class="kw2">var</span> clearActiveCheckbox <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span> |
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470 |
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471 <span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox<span class="br0">)</span> <span class="br0">{</span> |
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472 oActiveCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span> |
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473 oActiveCheckbox <span class="sy0">=</span> <span class="kw2">null</span><span class="sy0">;</span> |
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474 <span class="br0">}</span> |
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475 |
|
476 <span class="br0">}</span><span class="sy0">;</span> |
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477 |
|
478 |
|
479 <span class="kw2">var</span> onCheckboxMouseOver <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="sy0">,</span> matchedEl<span class="br0">)</span> <span class="br0">{</span> |
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480 |
|
481 <span class="kw1">if</span> <span class="br0">(</span>oActiveCheckbox <span class="sy0">&&</span> oActiveCheckbox.<span class="me1">compareTo</span><span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span> |
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482 oActiveCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span> |
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483 <span class="br0">}</span> |
|
484 |
|
485 <span class="br0">}</span><span class="sy0">;</span> |
|
486 |
|
487 |
|
488 <span class="kw2">var</span> onCheckboxMouseOut <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
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489 |
|
490 <span class="kw1">this</span>.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxActiveClass<span class="br0">)</span><span class="sy0">;</span> |
|
491 |
|
492 <span class="br0">}</span><span class="sy0">;</span> |
|
493 |
|
494 |
|
495 <span class="kw2">var</span> onDocumentMouseUp <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
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496 |
|
497 <span class="kw2">var</span> oCheckbox<span class="sy0">;</span> |
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498 |
|
499 <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockDocumentMouseUp<span class="br0">)</span> <span class="br0">{</span> |
|
500 |
|
501 oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span>event.<span class="me1">target</span><span class="br0">)</span><span class="sy0">;</span> |
|
502 |
|
503 <span class="kw1">if</span> <span class="br0">(</span><span class="br0">(</span>oCheckbox <span class="sy0">&&</span> <span class="sy0">!</span>oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="sy0">||</span> <span class="sy0">!</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span> |
|
504 clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span> |
|
505 <span class="br0">}</span> |
|
506 |
|
507 <span class="br0">}</span> |
|
508 |
|
509 bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span> |
|
510 |
|
511 <span class="br0">}</span><span class="sy0">;</span> |
|
512 |
|
513 |
|
514 <span class="kw2">var</span> onCheckboxFocus <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
|
515 |
|
516 <span class="co1">// Remove the focus style from any checkbox that might still have it</span> |
|
517 |
|
518 <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">".yui-checkbox-focus"</span><span class="br0">)</span><span class="sy0">;</span> |
|
519 |
|
520 <span class="kw1">if</span> <span class="br0">(</span>oCheckbox<span class="br0">)</span> <span class="br0">{</span> |
|
521 oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span> |
|
522 <span class="br0">}</span> |
|
523 |
|
524 <span class="co1">// Defer adding key-related and click event listeners until </span> |
|
525 <span class="co1">// one of the checkboxes is initially focused.</span> |
|
526 |
|
527 <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bKeyListenersInitialized<span class="br0">)</span> <span class="br0">{</span> |
|
528 initKeyListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span> |
|
529 <span class="br0">}</span> |
|
530 |
|
531 <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span> |
|
532 |
|
533 oCheckbox.<span class="me1">addClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span> |
|
534 |
|
535 <span class="br0">}</span><span class="sy0">;</span> |
|
536 |
|
537 |
|
538 <span class="kw2">var</span> onCheckboxBlur <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
|
539 |
|
540 <span class="kw1">if</span> <span class="br0">(</span>bBlockBlur<span class="br0">)</span> <span class="br0">{</span> |
|
541 bBlockBlur <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span> |
|
542 <span class="kw1">return</span><span class="sy0">;</span> |
|
543 <span class="br0">}</span> |
|
544 |
|
545 <span class="kw2">var</span> oCheckbox <span class="sy0">=</span> getCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span> |
|
546 |
|
547 oCheckbox.<span class="me1">removeClass</span><span class="br0">(</span>sCheckboxFocusClass<span class="br0">)</span><span class="sy0">;</span> |
|
548 |
|
549 <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bBlockClearActive <span class="sy0">&&</span> oCheckbox.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span> |
|
550 clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span> |
|
551 <span class="br0">}</span> |
|
552 |
|
553 bBlockClearActive <span class="sy0">=</span> <span class="kw2">false</span><span class="sy0">;</span> |
|
554 |
|
555 <span class="br0">}</span><span class="sy0">;</span> |
|
556 |
|
557 |
|
558 <span class="kw2">var</span> onCheckboxMouseDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
|
559 |
|
560 <span class="co1">// Defer adding mouse-related and click event listeners until </span> |
|
561 <span class="co1">// the user mouses down on one of the checkboxes.</span> |
|
562 |
|
563 <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>bMouseListenersInitialized<span class="br0">)</span> <span class="br0">{</span> |
|
564 initMouseListeners.<span class="me1">call</span><span class="br0">(</span>event.<span class="me1">container</span><span class="br0">)</span><span class="sy0">;</span> |
|
565 <span class="br0">}</span> |
|
566 |
|
567 <span class="kw2">var</span> oCheckbox<span class="sy0">,</span> |
|
568 oInput<span class="sy0">;</span> |
|
569 |
|
570 |
|
571 <span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"nodeName"</span><span class="br0">)</span>.<span class="me1">toLowerCase</span><span class="br0">(</span><span class="br0">)</span> <span class="sy0">===</span> <span class="st0">"label"</span><span class="br0">)</span> <span class="br0">{</span> |
|
572 |
|
573 <span class="co1">// If the target of the event was the checkbox's label element, the</span> |
|
574 <span class="co1">// label will dispatch a click event to the checkbox, meaning the </span> |
|
575 <span class="co1">// "onCheckboxClick" handler will be called twice. For that reason</span> |
|
576 <span class="co1">// it is necessary to block the "onDocumentMouseUp" handler from</span> |
|
577 <span class="co1">// clearing the active state, so that a reference to the active </span> |
|
578 <span class="co1">// checkbox still exists the second time the "onCheckboxClick"</span> |
|
579 <span class="co1">// handler is called.</span> |
|
580 |
|
581 bBlockDocumentMouseUp <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span> |
|
582 |
|
583 <span class="co1">// When the user clicks the label instead of the checkbox itself, </span> |
|
584 <span class="co1">// the checkbox will be blurred if it has focus. Since the </span> |
|
585 <span class="co1">// "onCheckboxBlur" handler clears the active state it is </span> |
|
586 <span class="co1">// necessary to block the clearing of the active state when the </span> |
|
587 <span class="co1">// label is clicked instead of the checkbox itself.</span> |
|
588 |
|
589 bBlockClearActive <span class="sy0">=</span> <span class="kw2">true</span><span class="sy0">;</span> |
|
590 |
|
591 oCheckbox <span class="sy0">=</span> getCheckboxForLabel<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span> |
|
592 |
|
593 <span class="br0">}</span> |
|
594 <span class="kw1">else</span> <span class="br0">{</span> |
|
595 |
|
596 oCheckbox <span class="sy0">=</span> <span class="kw1">this</span><span class="sy0">;</span> |
|
597 |
|
598 <span class="br0">}</span> |
|
599 |
|
600 <span class="co1">// Need to focus the input manually for two reasons:</span> |
|
601 <span class="co1">// 1) Mousing down on a label in Webkit doesn't focus its </span> |
|
602 <span class="co1">// associated checkbox</span> |
|
603 <span class="co1">// 2) By default checkboxes are focused when the user mouses </span> |
|
604 <span class="co1">// down on them. However, since the actually checkbox is </span> |
|
605 <span class="co1">// obscurred by the two span elements that are used to </span> |
|
606 <span class="co1">// style it, the checkbox wont' receive focus as it was </span> |
|
607 <span class="co1">// never the actual target of the mousedown event.</span> |
|
608 |
|
609 oInput <span class="sy0">=</span> oCheckbox.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span> |
|
610 |
|
611 |
|
612 <span class="co1">// Calling Event.preventDefault won't block the blurring of the </span> |
|
613 <span class="co1">// currently focused element in IE, so we'll use the "bBlockBlur"</span> |
|
614 <span class="co1">// variable to stop the code in the blur event handler </span> |
|
615 <span class="co1">// from executing.</span> |
|
616 |
|
617 bBlockBlur <span class="sy0">=</span> <span class="br0">(</span>UA.<span class="me1">ie</span> <span class="sy0">&&</span> oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span> |
|
618 |
|
619 |
|
620 oInput.<span class="kw3">focus</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span> |
|
621 |
|
622 setActiveCheckbox<span class="br0">(</span>oCheckbox<span class="br0">)</span><span class="sy0">;</span> |
|
623 |
|
624 <span class="co1">// Need to call preventDefault because by default mousing down on</span> |
|
625 <span class="co1">// an element will blur the element in the document that currently </span> |
|
626 <span class="co1">// has focus--in this case, the input element that was </span> |
|
627 <span class="co1">// just focused.</span> |
|
628 |
|
629 event.<span class="me1">preventDefault</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span> |
|
630 |
|
631 <span class="br0">}</span><span class="sy0">;</span> |
|
632 |
|
633 |
|
634 <span class="kw2">var</span> onCheckboxClick <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
|
635 |
|
636 <span class="kw2">var</span> oInput<span class="sy0">;</span> |
|
637 |
|
638 <span class="kw1">if</span> <span class="br0">(</span><span class="kw1">this</span>.<span class="me1">compareTo</span><span class="br0">(</span>oActiveCheckbox<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span> |
|
639 |
|
640 oInput <span class="sy0">=</span> <span class="kw1">this</span>.<span class="me1">one</span><span class="br0">(</span><span class="st0">"input"</span><span class="br0">)</span><span class="sy0">;</span> |
|
641 |
|
642 <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>event.<span class="me1">target</span>.<span class="me1">compareTo</span><span class="br0">(</span>oInput<span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span> |
|
643 |
|
644 <span class="co1">// If the click event was fired via the mouse the checked</span> |
|
645 <span class="co1">// state will have to be manually updated since the input </span> |
|
646 <span class="co1">// is hidden offscreen and therefore couldn't be the </span> |
|
647 <span class="co1">// target of the click.</span> |
|
648 |
|
649 oInput.<span class="me1">set</span><span class="br0">(</span><span class="st0">"checked"</span><span class="sy0">,</span> <span class="br0">(</span><span class="sy0">!</span>oInput.<span class="me1">get</span><span class="br0">(</span><span class="st0">"checked"</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span> |
|
650 |
|
651 <span class="br0">}</span> |
|
652 |
|
653 updateCheckedState<span class="br0">(</span>oInput<span class="br0">)</span><span class="sy0">;</span> |
|
654 clearActiveCheckbox<span class="br0">(</span><span class="br0">)</span><span class="sy0">;</span> |
|
655 |
|
656 <span class="br0">}</span> |
|
657 |
|
658 <span class="br0">}</span><span class="sy0">;</span> |
|
659 |
|
660 |
|
661 <span class="kw2">var</span> onCheckboxKeyDown <span class="sy0">=</span> <span class="kw2">function</span> <span class="br0">(</span>event<span class="br0">)</span> <span class="br0">{</span> |
|
662 |
|
663 <span class="co1">// Style the checkbox as being active when the user presses the </span> |
|
664 <span class="co1">// space bar</span> |
|
665 |
|
666 <span class="kw1">if</span> <span class="br0">(</span>event.<span class="me1">keyCode</span> <span class="sy0">===</span> <span class="nu0">32</span><span class="br0">)</span> <span class="br0">{</span> |
|
667 setActiveCheckbox<span class="br0">(</span><span class="kw1">this</span><span class="br0">)</span><span class="sy0">;</span> |
|
668 <span class="br0">}</span> |
|
669 |
|
670 <span class="br0">}</span><span class="sy0">;</span> |
|
671 |
|
672 Y.<span class="me1">all</span><span class="br0">(</span><span class="st0">"#checkboxes>div>span"</span><span class="br0">)</span>.<span class="me1">addClass</span><span class="br0">(</span><span class="st0">"yui-checkbox"</span><span class="br0">)</span><span class="sy0">;</span> |
|
673 |
|
674 <span class="co1">// Remove the "yui-checkboxes-loading" class used to hide the </span> |
|
675 <span class="co1">// checkboxes now that the checkboxes have been skinned.</span> |
|
676 |
|
677 Y.<span class="me1">one</span><span class="br0">(</span><span class="st0">"#checkboxes"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"ownerDocument"</span><span class="br0">)</span>.<span class="me1">get</span><span class="br0">(</span><span class="st0">"documentElement"</span><span class="br0">)</span>.<span class="me1">removeClass</span><span class="br0">(</span><span class="st0">"yui-checkboxes-loading"</span><span class="br0">)</span><span class="sy0">;</span> |
|
678 |
|
679 <span class="co1">// Add the minimum number of event listeners needed to start, bind the </span> |
|
680 <span class="co1">// rest when needed</span> |
|
681 |
|
682 Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"mousedown"</span><span class="sy0">,</span> onCheckboxMouseDown<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">".yui-checkbox,label"</span><span class="br0">)</span><span class="sy0">;</span> |
|
683 Y.<span class="me1">delegate</span><span class="br0">(</span><span class="st0">"focus"</span><span class="sy0">,</span> onCheckboxFocus<span class="sy0">,</span> <span class="st0">"#checkboxes"</span><span class="sy0">,</span> <span class="st0">"input[type=checkbox]"</span><span class="br0">)</span><span class="sy0">;</span> |
|
684 |
|
685 <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></pre></div><textarea id="syntax3-plain">YUI().use("*", function(Y) { |
|
686 |
|
687 var UA = Y.UA, |
|
688 getClassName = Y.ClassNameManager.getClassName, |
|
689 sCheckboxFocusClass = getClassName("checkbox", "focus"), // Create yui-checkbox-focus |
|
690 sCheckboxCheckedClass = getClassName("checkbox", "checked"), // Create yui-checkbox-checked |
|
691 sCheckboxActiveClass = getClassName("checkbox", "active"), // Create yui-checkbox-active |
|
692 bKeyListenersInitialized = false, |
|
693 bMouseListenersInitialized = false, |
|
694 forAttr = (UA.ie && UA.ie < 8) ? "htmlFor" : "for", |
|
695 bBlockDocumentMouseUp = false, |
|
696 bBlockClearActive = false, |
|
697 bBlockBlur = false, |
|
698 oActiveCheckbox; |
|
699 |
|
700 |
|
701 var initKeyListeners = function () { |
|
702 |
|
703 this.delegate("keydown", onCheckboxKeyDown, ".yui-checkbox"); |
|
704 this.delegate("click", onCheckboxClick, ".yui-checkbox"); |
|
705 this.delegate("blur", onCheckboxBlur, "input[type=checkbox]"); |
|
706 |
|
707 bKeyListenersInitialized = true; |
|
708 |
|
709 }; |
|
710 |
|
711 |
|
712 var initMouseListeners = function () { |
|
713 |
|
714 this.delegate("mouseover", onCheckboxMouseOver, ".yui-checkbox"); |
|
715 this.delegate("mouseout", onCheckboxMouseOut, ".yui-checkbox-active"); |
|
716 this.get("ownerDocument").on("mouseup", onDocumentMouseUp); |
|
717 |
|
718 bMouseListenersInitialized = true; |
|
719 |
|
720 }; |
|
721 |
|
722 |
|
723 var getCheckbox = function (node) { |
|
724 |
|
725 return (node.hasClass("yui-checkbox") ? node : node.ancestor(".yui-checkbox")); |
|
726 |
|
727 }; |
|
728 |
|
729 |
|
730 var getCheckboxForLabel = function (label) { |
|
731 |
|
732 var sID = label.getAttribute(forAttr), |
|
733 oInput, |
|
734 oCheckbox; |
|
735 |
|
736 if (sID) { |
|
737 |
|
738 oInput = Y.one("#" + sID); |
|
739 |
|
740 if (oInput) { |
|
741 oCheckbox = getCheckbox(oInput); |
|
742 } |
|
743 |
|
744 } |
|
745 |
|
746 return oCheckbox; |
|
747 |
|
748 }; |
|
749 |
|
750 |
|
751 var updateCheckedState = function (input) { |
|
752 |
|
753 var oCheckbox = getCheckbox(input); |
|
754 |
|
755 if (input.get("checked")) { |
|
756 oCheckbox.addClass(sCheckboxCheckedClass); |
|
757 } |
|
758 else { |
|
759 oCheckbox.removeClass(sCheckboxCheckedClass); |
|
760 } |
|
761 |
|
762 }; |
|
763 |
|
764 |
|
765 var setActiveCheckbox = function (checkbox) { |
|
766 |
|
767 checkbox.addClass(sCheckboxActiveClass); |
|
768 oActiveCheckbox = checkbox; |
|
769 |
|
770 }; |
|
771 |
|
772 |
|
773 var clearActiveCheckbox = function () { |
|
774 |
|
775 if (oActiveCheckbox) { |
|
776 oActiveCheckbox.removeClass(sCheckboxActiveClass); |
|
777 oActiveCheckbox = null; |
|
778 } |
|
779 |
|
780 }; |
|
781 |
|
782 |
|
783 var onCheckboxMouseOver = function (event, matchedEl) { |
|
784 |
|
785 if (oActiveCheckbox && oActiveCheckbox.compareTo(this)) { |
|
786 oActiveCheckbox.addClass(sCheckboxActiveClass); |
|
787 } |
|
788 |
|
789 }; |
|
790 |
|
791 |
|
792 var onCheckboxMouseOut = function (event) { |
|
793 |
|
794 this.removeClass(sCheckboxActiveClass); |
|
795 |
|
796 }; |
|
797 |
|
798 |
|
799 var onDocumentMouseUp = function (event) { |
|
800 |
|
801 var oCheckbox; |
|
802 |
|
803 if (!bBlockDocumentMouseUp) { |
|
804 |
|
805 oCheckbox = getCheckbox(event.target); |
|
806 |
|
807 if ((oCheckbox && !oCheckbox.compareTo(oActiveCheckbox)) || !oCheckbox) { |
|
808 clearActiveCheckbox(); |
|
809 } |
|
810 |
|
811 } |
|
812 |
|
813 bBlockDocumentMouseUp = false; |
|
814 |
|
815 }; |
|
816 |
|
817 |
|
818 var onCheckboxFocus = function (event) { |
|
819 |
|
820 // Remove the focus style from any checkbox that might still have it |
|
821 |
|
822 var oCheckbox = Y.one("#checkboxes").one(".yui-checkbox-focus"); |
|
823 |
|
824 if (oCheckbox) { |
|
825 oCheckbox.removeClass(sCheckboxFocusClass); |
|
826 } |
|
827 |
|
828 // Defer adding key-related and click event listeners until |
|
829 // one of the checkboxes is initially focused. |
|
830 |
|
831 if (!bKeyListenersInitialized) { |
|
832 initKeyListeners.call(event.container); |
|
833 } |
|
834 |
|
835 var oCheckbox = getCheckbox(this); |
|
836 |
|
837 oCheckbox.addClass(sCheckboxFocusClass); |
|
838 |
|
839 }; |
|
840 |
|
841 |
|
842 var onCheckboxBlur = function (event) { |
|
843 |
|
844 if (bBlockBlur) { |
|
845 bBlockBlur = false; |
|
846 return; |
|
847 } |
|
848 |
|
849 var oCheckbox = getCheckbox(this); |
|
850 |
|
851 oCheckbox.removeClass(sCheckboxFocusClass); |
|
852 |
|
853 if (!bBlockClearActive && oCheckbox.compareTo(oActiveCheckbox)) { |
|
854 clearActiveCheckbox(); |
|
855 } |
|
856 |
|
857 bBlockClearActive = false; |
|
858 |
|
859 }; |
|
860 |
|
861 |
|
862 var onCheckboxMouseDown = function (event) { |
|
863 |
|
864 // Defer adding mouse-related and click event listeners until |
|
865 // the user mouses down on one of the checkboxes. |
|
866 |
|
867 if (!bMouseListenersInitialized) { |
|
868 initMouseListeners.call(event.container); |
|
869 } |
|
870 |
|
871 var oCheckbox, |
|
872 oInput; |
|
873 |
|
874 |
|
875 if (this.get("nodeName").toLowerCase() === "label") { |
|
876 |
|
877 // If the target of the event was the checkbox's label element, the |
|
878 // label will dispatch a click event to the checkbox, meaning the |
|
879 // "onCheckboxClick" handler will be called twice. For that reason |
|
880 // it is necessary to block the "onDocumentMouseUp" handler from |
|
881 // clearing the active state, so that a reference to the active |
|
882 // checkbox still exists the second time the "onCheckboxClick" |
|
883 // handler is called. |
|
884 |
|
885 bBlockDocumentMouseUp = true; |
|
886 |
|
887 // When the user clicks the label instead of the checkbox itself, |
|
888 // the checkbox will be blurred if it has focus. Since the |
|
889 // "onCheckboxBlur" handler clears the active state it is |
|
890 // necessary to block the clearing of the active state when the |
|
891 // label is clicked instead of the checkbox itself. |
|
892 |
|
893 bBlockClearActive = true; |
|
894 |
|
895 oCheckbox = getCheckboxForLabel(this); |
|
896 |
|
897 } |
|
898 else { |
|
899 |
|
900 oCheckbox = this; |
|
901 |
|
902 } |
|
903 |
|
904 // Need to focus the input manually for two reasons: |
|
905 // 1) Mousing down on a label in Webkit doesn't focus its |
|
906 // associated checkbox |
|
907 // 2) By default checkboxes are focused when the user mouses |
|
908 // down on them. However, since the actually checkbox is |
|
909 // obscurred by the two span elements that are used to |
|
910 // style it, the checkbox wont' receive focus as it was |
|
911 // never the actual target of the mousedown event. |
|
912 |
|
913 oInput = oCheckbox.one("input"); |
|
914 |
|
915 |
|
916 // Calling Event.preventDefault won't block the blurring of the |
|
917 // currently focused element in IE, so we'll use the "bBlockBlur" |
|
918 // variable to stop the code in the blur event handler |
|
919 // from executing. |
|
920 |
|
921 bBlockBlur = (UA.ie && oInput.get("checked")); |
|
922 |
|
923 |
|
924 oInput.focus(); |
|
925 |
|
926 setActiveCheckbox(oCheckbox); |
|
927 |
|
928 // Need to call preventDefault because by default mousing down on |
|
929 // an element will blur the element in the document that currently |
|
930 // has focus--in this case, the input element that was |
|
931 // just focused. |
|
932 |
|
933 event.preventDefault(); |
|
934 |
|
935 }; |
|
936 |
|
937 |
|
938 var onCheckboxClick = function (event) { |
|
939 |
|
940 var oInput; |
|
941 |
|
942 if (this.compareTo(oActiveCheckbox)) { |
|
943 |
|
944 oInput = this.one("input"); |
|
945 |
|
946 if (!event.target.compareTo(oInput)) { |
|
947 |
|
948 // If the click event was fired via the mouse the checked |
|
949 // state will have to be manually updated since the input |
|
950 // is hidden offscreen and therefore couldn't be the |
|
951 // target of the click. |
|
952 |
|
953 oInput.set("checked", (!oInput.get("checked"))); |
|
954 |
|
955 } |
|
956 |
|
957 updateCheckedState(oInput); |
|
958 clearActiveCheckbox(); |
|
959 |
|
960 } |
|
961 |
|
962 }; |
|
963 |
|
964 |
|
965 var onCheckboxKeyDown = function (event) { |
|
966 |
|
967 // Style the checkbox as being active when the user presses the |
|
968 // space bar |
|
969 |
|
970 if (event.keyCode === 32) { |
|
971 setActiveCheckbox(this); |
|
972 } |
|
973 |
|
974 }; |
|
975 |
|
976 Y.all("#checkboxes>div>span").addClass("yui-checkbox"); |
|
977 |
|
978 // Remove the "yui-checkboxes-loading" class used to hide the |
|
979 // checkboxes now that the checkboxes have been skinned. |
|
980 |
|
981 Y.one("#checkboxes").get("ownerDocument").get("documentElement").removeClass("yui-checkboxes-loading"); |
|
982 |
|
983 // Add the minimum number of event listeners needed to start, bind the |
|
984 // rest when needed |
|
985 |
|
986 Y.delegate("mousedown", onCheckboxMouseDown, "#checkboxes", ".yui-checkbox,label"); |
|
987 Y.delegate("focus", onCheckboxFocus, "#checkboxes", "input[type=checkbox]"); |
|
988 |
|
989 });</textarea></div> |
|
990 <h4>Progressive Enhancement</h4> |
|
991 <p> |
|
992 The markup above will be transformed using both CSS and JavaScript. To account |
|
993 for the scenario where the user has CSS enabled in their browser but JavaScript |
|
994 is disabled, the CSS used to style the checkboxes will be loaded via JavaScript |
|
995 using the YUI instance's <a href="http://developer.yahoo.com/yui/3/yui#loader">built-in Loader</a>. |
|
996 Additionally, a small block of JavaScript will be placed in the |
|
997 <code><head></code> — used to temporarily hide the markup |
|
998 while the JavaScript and CSS are in the process of loading to prevent the user |
|
999 from seeing a flash unstyled content. |
|
1000 </p> |
|
1001 <div id="syntax4" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">(</span><span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> base<span class="sy0">:</span> <span class="st0">"../../build/"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// Load the stylesheet for the skinned checkboxes via JavaScript, </span></div></li><li class="li1"><div class="de1"> <span class="co1">// since without JavaScript skinning of the checkboxes wouldn't </span></div></li><li class="li1"><div class="de1"> <span class="co1">// be possible.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> modules<span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="st0">"checkboxcss"</span><span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> type<span class="sy0">:</span> <span class="st0">"css"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.css"</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> <span class="st0">"checkboxjs"</span><span class="sy0">:</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> type<span class="sy0">:</span> <span class="st0">"js"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.js"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> requires<span class="sy0">:</span> <span class="br0">[</span><span class="st0">"classnamemanager"</span><span class="sy0">,</span> <span class="st0">"event-focus"</span><span class="sy0">,</span> <span class="st0">"node-event-delegate"</span><span class="sy0">,</span> <span class="st0">"checkboxcss"</span><span class="br0">]</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</span> </div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"checkboxjs"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="sy0">,</span> result<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="co1">// The callback supplied to use() will be executed regardless of</span></div></li><li class="li1"><div class="de1"> <span class="co1">// whether the operation was successful or not. The second parameter</span></div></li><li class="li1"><div class="de1"> <span class="co1">// is a result object that has the status of the operation. We can</span></div></li><li class="li1"><div class="de1"> <span class="co1">// use this to try to recover from failures or timeouts.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>result.<span class="me1">success</span><span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> Y.<span class="me1">log</span><span class="br0">(</span><span class="st0">"Load failure: "</span> <span class="sy0">+</span> result.<span class="me1">msg</span><span class="sy0">,</span> <span class="st0">"warn"</span><span class="sy0">,</span> <span class="st0">"Example"</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> <span class="co1">// Show the checkboxes if the loader failed that way the original </span></div></li><li class="li2"><div class="de2"> <span class="co1">// unskinned checkboxes will be visible so that the user can</span></div></li><li class="li1"><div class="de1"> <span class="co1">// interact with them either way.</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"> document.<span class="me1">documentElement</span>.<span class="me1">className</span> <span class="sy0">=</span> <span class="st0">""</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li2"><div class="de2"> <span class="br0">}</span></div></li><li class="li1"><div class="de1"> </div></li><li class="li1"><div class="de1"><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"> </div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">(</span><span class="br0">{</span> |
|
1002 |
|
1003 base<span class="sy0">:</span> <span class="st0">"../../build/"</span><span class="sy0">,</span> |
|
1004 |
|
1005 <span class="co1">// Load the stylesheet for the skinned checkboxes via JavaScript, </span> |
|
1006 <span class="co1">// since without JavaScript skinning of the checkboxes wouldn't </span> |
|
1007 <span class="co1">// be possible.</span> |
|
1008 |
|
1009 modules<span class="sy0">:</span> <span class="br0">{</span> |
|
1010 |
|
1011 <span class="st0">"checkboxcss"</span><span class="sy0">:</span> <span class="br0">{</span> |
|
1012 type<span class="sy0">:</span> <span class="st0">"css"</span><span class="sy0">,</span> |
|
1013 fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.css"</span> |
|
1014 <span class="br0">}</span><span class="sy0">,</span> |
|
1015 <span class="st0">"checkboxjs"</span><span class="sy0">:</span> <span class="br0">{</span> |
|
1016 type<span class="sy0">:</span> <span class="st0">"js"</span><span class="sy0">,</span> |
|
1017 fullpath<span class="sy0">:</span> <span class="st0">"assets/checkbox.js"</span><span class="sy0">,</span> |
|
1018 requires<span class="sy0">:</span> <span class="br0">[</span><span class="st0">"classnamemanager"</span><span class="sy0">,</span> <span class="st0">"event-focus"</span><span class="sy0">,</span> <span class="st0">"node-event-delegate"</span><span class="sy0">,</span> <span class="st0">"checkboxcss"</span><span class="br0">]</span> |
|
1019 <span class="br0">}</span> |
|
1020 |
|
1021 <span class="br0">}</span> |
|
1022 |
|
1023 <span class="br0">}</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"checkboxjs"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="sy0">,</span> result<span class="br0">)</span> <span class="br0">{</span> |
|
1024 |
|
1025 <span class="co1">// The callback supplied to use() will be executed regardless of</span> |
|
1026 <span class="co1">// whether the operation was successful or not. The second parameter</span> |
|
1027 <span class="co1">// is a result object that has the status of the operation. We can</span> |
|
1028 <span class="co1">// use this to try to recover from failures or timeouts.</span> |
|
1029 |
|
1030 <span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span>result.<span class="me1">success</span><span class="br0">)</span> <span class="br0">{</span> |
|
1031 |
|
1032 Y.<span class="me1">log</span><span class="br0">(</span><span class="st0">"Load failure: "</span> <span class="sy0">+</span> result.<span class="me1">msg</span><span class="sy0">,</span> <span class="st0">"warn"</span><span class="sy0">,</span> <span class="st0">"Example"</span><span class="br0">)</span><span class="sy0">;</span> |
|
1033 |
|
1034 <span class="co1">// Show the checkboxes if the loader failed that way the original </span> |
|
1035 <span class="co1">// unskinned checkboxes will be visible so that the user can</span> |
|
1036 <span class="co1">// interact with them either way.</span> |
|
1037 |
|
1038 document.<span class="me1">documentElement</span>.<span class="me1">className</span> <span class="sy0">=</span> <span class="st0">""</span><span class="sy0">;</span> |
|
1039 |
|
1040 <span class="br0">}</span> |
|
1041 |
|
1042 <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span> |
|
1043 </pre></div><textarea id="syntax4-plain">YUI({ |
|
1044 |
|
1045 base: "../../build/", |
|
1046 |
|
1047 // Load the stylesheet for the skinned checkboxes via JavaScript, |
|
1048 // since without JavaScript skinning of the checkboxes wouldn't |
|
1049 // be possible. |
|
1050 |
|
1051 modules: { |
|
1052 |
|
1053 "checkboxcss": { |
|
1054 type: "css", |
|
1055 fullpath: "assets/checkbox.css" |
|
1056 }, |
|
1057 "checkboxjs": { |
|
1058 type: "js", |
|
1059 fullpath: "assets/checkbox.js", |
|
1060 requires: ["classnamemanager", "event-focus", "node-event-delegate", "checkboxcss"] |
|
1061 } |
|
1062 |
|
1063 } |
|
1064 |
|
1065 }).use("checkboxjs", function(Y, result) { |
|
1066 |
|
1067 // The callback supplied to use() will be executed regardless of |
|
1068 // whether the operation was successful or not. The second parameter |
|
1069 // is a result object that has the status of the operation. We can |
|
1070 // use this to try to recover from failures or timeouts. |
|
1071 |
|
1072 if (!result.success) { |
|
1073 |
|
1074 Y.log("Load failure: " + result.msg, "warn", "Example"); |
|
1075 |
|
1076 // Show the checkboxes if the loader failed that way the original |
|
1077 // unskinned checkboxes will be visible so that the user can |
|
1078 // interact with them either way. |
|
1079 |
|
1080 document.documentElement.className = ""; |
|
1081 |
|
1082 } |
|
1083 |
|
1084 }); |
|
1085 </textarea></div> </div> |
|
1086 <div class="yui-u sidebar"> |
|
1087 |
|
1088 |
|
1089 <div id="examples" class="mod box4"> |
|
1090 <div class="hd"> |
|
1091 <h4> |
|
1092 Event Examples:</h4> |
|
1093 </div> |
|
1094 <div class="bd"> |
|
1095 <ul> |
|
1096 <li><a href='../event/event-simple.html'>Simple DOM Events</a></li><li><a href='../event/event-timing.html'>Using 'available', 'contentready', and 'domready'</a></li><li><a href='../event/event-ce.html'>Using Custom Events</a></li><li class='selected'><a href='../event/event-focus-blur.html'>Skinning via Progressive Enhancement using the Event Utility and the Loader</a></li><li><a href='../yui/yui-augment.html'>Compose Classes of Objects with <code>augment</code> (included with examples for The YUI Global Object)</a></li><li><a href='../node-focusmanager/node-focusmanager-3.html'>Accessible Menu Button (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../node-focusmanager/node-focusmanager-2.html'>Accessible TabView (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../attribute/attribute-event.html'>Attribute Change Events (included with examples for Attribute)</a></li><li><a href='../attribute/attribute-event-speeddate.html'>Attribute Event Based Speed Dating (included with examples for Attribute)</a></li><li><a href='../attribute/attribute-getset.html'>Attribute Getters, Setters and Validators (included with examples for Attribute)</a></li><li><a href='../widget/widget-extend.html'>Extending the base widget class (included with examples for Widget)</a></li><li><a href='../dd/photo-browser.html'>Photo Browser (included with examples for Drag & Drop)</a></li> </ul> |
|
1097 </div> |
|
1098 </div> |
|
1099 |
|
1100 <div class="mod box4"> |
|
1101 <div class="hd"> |
|
1102 <h4>More Event Resources:</h4> |
|
1103 </div> |
|
1104 <div class="bd"> |
|
1105 <ul> |
|
1106 <!-- <li><a href="http://developer.yahoo.com/yui/event/">User's Guide</a> (external)</li> --> |
|
1107 <li><a href="../../api/module_event.html">API Documentation</a></li></ul> |
|
1108 </div> |
|
1109 </div> |
|
1110 </div> |
|
1111 </div> |
|
1112 |
|
1113 </div> |
|
1114 </div> |
|
1115 |
|
1116 |
|
1117 <div class="yui-b toc3" id="tocWrapper"> |
|
1118 <!-- TABLE OF CONTENTS --> |
|
1119 <div id="toc"> |
|
1120 |
|
1121 <ul> |
|
1122 <li class="sect first">YUI 3 Resources</li><li class="item"><a title="YUI 3 -- Yahoo! User Interface (YUI) Library" href="http://developer.yahoo.com/yui/3/">YUI 3 Web Site</a></li><li class="item"><a title="Examples of every YUI utility and control in action" href="../../examples/">YUI 3 Examples</a></li><li class="item"><a title="Instantly searchable API documentation for the entire YUI library." href="../../api/">YUI 3 API Docs</a></li><li class="item"><a title="YUI 3 Dependency Configurator -- configure your custom YUI implementation" href="http://developer.yahoo.com/yui/3/configurator">YUI 3 Dependency Configurator</a></li><li class="item"><a title="The YUI 3 Forum on YUILibrary.com" href="http://yuilibrary.com/forum/viewforum.php?f=15">YUI 3 Forums (external)</a></li><li class="item"><a title="Found a bug or a missing feature? Let us know on YUILibrary.com." href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests</a></li><li class="item"><a title="YUI is free and open, offered under a BSD license." href="http://developer.yahoo.com/yui/license.html">YUI License</a></li><li class="item"><a title="Download and fork the YUI project on GitHub" href="http://github.com/yui">YUI on Github</a></li><li class="item"><a title="The Yahoo! User Interface Blog" href="http://yuiblog.com">YUI Blog (external)</a></li><li class="sect">YUI 3 Core - Examples</li><li class="item"><a title="YUI Global Object - Functional Examples" href="../../examples/yui/index.html">YUI Global Object</a></li><li class="selected "><a title="Event - Functional Examples" href="../../examples/event/index.html">Event</a></li><li class="item"><a title="Node - Functional Examples" href="../../examples/node/index.html">Node</a></li><li class="sect">YUI 3 Component Infrastructure - Examples</li><li class="item"><a title="Attribute - Functional Examples" href="../../examples/attribute/index.html">Attribute</a></li><li class="item"><a title="Plugin - Functional Examples" href="../../examples/plugin/index.html">Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Widget - Functional Examples" href="../../examples/widget/index.html">Widget <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Utilities - Examples</li><li class="item"><a title="Animation - Functional Examples" href="../../examples/anim/index.html">Animation</a></li><li class="item"><a title="AsyncQueue - Functional Examples" href="../../examples/async-queue/index.html">AsyncQueue</a></li><li class="item"><a title="Browser History - Functional Examples" href="../../examples/history/index.html">Browser History</a></li><li class="item"><a title="Cache - Functional Examples" href="../../examples/cache/index.html">Cache</a></li><li class="item"><a title="Cookie - Functional Examples" href="../../examples/cookie/index.html">Cookie</a></li><li class="item"><a title="DataSchema - Functional Examples" href="../../examples/dataschema/index.html">DataSchema <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataSource - Functional Examples" href="../../examples/datasource/index.html">DataSource <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataType - Functional Examples" href="../../examples/datatype/index.html">DataType <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Drag & Drop - Functional Examples" href="../../examples/dd/index.html">Drag & Drop</a></li><li class="item"><a title="Get - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="ImageLoader - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="IO - Functional Examples" href="../../examples/io/index.html">IO</a></li><li class="item"><a title="JSON (JavaScript Object Notation) - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="item"><a title="Stylesheet - Functional Examples" href="../../examples/stylesheet/index.html">Stylesheet</a></li><li class="sect">YUI 3 Widgets - Examples</li><li class="item"><a title="Overlay - Functional Examples" href="../../examples/overlay/index.html">Overlay <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Slider - Functional Examples" href="../../examples/slider/index.html">Slider <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Node Plugins - Examples</li><li class="item"><a title="FocusManager Node Plugin - Functional Examples" href="../../examples/node-focusmanager/index.html">FocusManager Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="MenuNav Node Plugin - Functional Examples" href="../../examples/node-menunav/index.html">MenuNav Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 CSS - Examples</li><li class="item"><a title="YUI CSS Reset - Functional Examples" href="../../examples/cssreset/index.html">CSS Reset</a></li><li class="item"><a title="YUI Fonts - Functional Examples" href="../../examples/cssfonts/index.html">CSS Fonts</a></li><li class="item"><a title="YUI Base - Functional Examples" href="../../examples/cssbase/index.html">CSS Base</a></li><li class="sect">YUI 3 Developer Tools - Examples</li><li class="item"><a title="Console - Functional Examples" href="../../examples/console/index.html">Console <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Console Filters Plugin- Functional Examples" href="../../examples/console-filters/index.html">Plugin.ConsoleFilters <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Profiler - Functional Examples" href="../../examples/profiler/index.html">Profiler</a></li><li class="item"><a title="Test - Functional Examples" href="../../examples/test/index.html">Test</a></li><li class="sect">Other Useful YUI 3 Resources</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Videos and podcasts from the YUI Team and from the Yahoo! frontend engineering community." href="http://developer.yahoo.com/yui/theater/">YUI Theater (external)</a></li></ul> |
|
1123 </div> |
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1124 </div> |
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1125 </div><!--closes bd--> |
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1126 |
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1127 <div id="ft"> |
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1128 <p class="first">Copyright © 2009 Yahoo! Inc. All rights reserved.</p> |
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1129 <p><a href="http://privacy.yahoo.com/privacy/us/devel/index.html">Privacy Policy</a> - |
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1132 <a href="http://careers.yahoo.com/">Job Openings</a></p> |
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1133 </div> |
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1134 </div> |
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1135 <script language="javascript"> |
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1136 var yuiConfig = {base:"../../build/", timeout: 10000}; |
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1137 </script> |
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1138 <script src="../../assets/syntax.js"></script> |
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1139 <script src="../../assets/dpSyntaxHighlighter.js"></script> |
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