1 /* |
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2 * jQuery UI 1.7.2 |
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3 * |
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4 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about) |
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5 * Dual licensed under the MIT (MIT-LICENSE.txt) |
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6 * and GPL (GPL-LICENSE.txt) licenses. |
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7 * |
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8 * http://docs.jquery.com/UI |
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9 */ |
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10 ;jQuery.ui || (function($) { |
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11 |
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12 var _remove = $.fn.remove, |
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13 isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9); |
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14 |
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15 //Helper functions and ui object |
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16 $.ui = { |
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17 version: "1.7.2", |
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18 |
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19 // $.ui.plugin is deprecated. Use the proxy pattern instead. |
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20 plugin: { |
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21 add: function(module, option, set) { |
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22 var proto = $.ui[module].prototype; |
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23 for(var i in set) { |
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24 proto.plugins[i] = proto.plugins[i] || []; |
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25 proto.plugins[i].push([option, set[i]]); |
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26 } |
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27 }, |
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28 call: function(instance, name, args) { |
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29 var set = instance.plugins[name]; |
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30 if(!set || !instance.element[0].parentNode) { return; } |
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31 |
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32 for (var i = 0; i < set.length; i++) { |
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33 if (instance.options[set[i][0]]) { |
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34 set[i][1].apply(instance.element, args); |
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35 } |
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36 } |
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37 } |
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38 }, |
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39 |
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40 contains: function(a, b) { |
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41 return document.compareDocumentPosition |
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42 ? a.compareDocumentPosition(b) & 16 |
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43 : a !== b && a.contains(b); |
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44 }, |
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45 |
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46 hasScroll: function(el, a) { |
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47 |
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48 //If overflow is hidden, the element might have extra content, but the user wants to hide it |
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49 if ($(el).css('overflow') == 'hidden') { return false; } |
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50 |
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51 var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop', |
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52 has = false; |
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53 |
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54 if (el[scroll] > 0) { return true; } |
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55 |
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56 // TODO: determine which cases actually cause this to happen |
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57 // if the element doesn't have the scroll set, see if it's possible to |
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58 // set the scroll |
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59 el[scroll] = 1; |
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60 has = (el[scroll] > 0); |
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61 el[scroll] = 0; |
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62 return has; |
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63 }, |
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64 |
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65 isOverAxis: function(x, reference, size) { |
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66 //Determines when x coordinate is over "b" element axis |
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67 return (x > reference) && (x < (reference + size)); |
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68 }, |
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69 |
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70 isOver: function(y, x, top, left, height, width) { |
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71 //Determines when x, y coordinates is over "b" element |
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72 return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width); |
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73 }, |
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74 |
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75 keyCode: { |
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76 BACKSPACE: 8, |
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77 CAPS_LOCK: 20, |
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78 COMMA: 188, |
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79 CONTROL: 17, |
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80 DELETE: 46, |
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81 DOWN: 40, |
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82 END: 35, |
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83 ENTER: 13, |
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84 ESCAPE: 27, |
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85 HOME: 36, |
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86 INSERT: 45, |
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87 LEFT: 37, |
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88 NUMPAD_ADD: 107, |
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89 NUMPAD_DECIMAL: 110, |
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90 NUMPAD_DIVIDE: 111, |
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91 NUMPAD_ENTER: 108, |
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92 NUMPAD_MULTIPLY: 106, |
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93 NUMPAD_SUBTRACT: 109, |
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94 PAGE_DOWN: 34, |
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95 PAGE_UP: 33, |
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96 PERIOD: 190, |
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97 RIGHT: 39, |
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98 SHIFT: 16, |
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99 SPACE: 32, |
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100 TAB: 9, |
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101 UP: 38 |
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102 } |
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103 }; |
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104 |
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105 // WAI-ARIA normalization |
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106 if (isFF2) { |
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107 var attr = $.attr, |
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108 removeAttr = $.fn.removeAttr, |
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109 ariaNS = "http://www.w3.org/2005/07/aaa", |
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110 ariaState = /^aria-/, |
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111 ariaRole = /^wairole:/; |
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112 |
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113 $.attr = function(elem, name, value) { |
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114 var set = value !== undefined; |
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115 |
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116 return (name == 'role' |
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117 ? (set |
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118 ? attr.call(this, elem, name, "wairole:" + value) |
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119 : (attr.apply(this, arguments) || "").replace(ariaRole, "")) |
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120 : (ariaState.test(name) |
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121 ? (set |
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122 ? elem.setAttributeNS(ariaNS, |
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123 name.replace(ariaState, "aaa:"), value) |
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124 : attr.call(this, elem, name.replace(ariaState, "aaa:"))) |
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125 : attr.apply(this, arguments))); |
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126 }; |
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127 |
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128 $.fn.removeAttr = function(name) { |
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129 return (ariaState.test(name) |
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130 ? this.each(function() { |
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131 this.removeAttributeNS(ariaNS, name.replace(ariaState, "")); |
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132 }) : removeAttr.call(this, name)); |
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133 }; |
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134 } |
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135 |
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136 //jQuery plugins |
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137 $.fn.extend({ |
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138 remove: function() { |
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139 // Safari has a native remove event which actually removes DOM elements, |
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140 // so we have to use triggerHandler instead of trigger (#3037). |
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141 $("*", this).add(this).each(function() { |
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142 $(this).triggerHandler("remove"); |
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143 }); |
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144 return _remove.apply(this, arguments ); |
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145 }, |
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146 |
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147 enableSelection: function() { |
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148 return this |
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149 .attr('unselectable', 'off') |
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150 .css('MozUserSelect', '') |
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151 .unbind('selectstart.ui'); |
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152 }, |
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153 |
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154 disableSelection: function() { |
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155 return this |
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156 .attr('unselectable', 'on') |
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157 .css('MozUserSelect', 'none') |
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158 .bind('selectstart.ui', function() { return false; }); |
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159 }, |
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160 |
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161 scrollParent: function() { |
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162 var scrollParent; |
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163 if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) { |
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164 scrollParent = this.parents().filter(function() { |
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165 return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1)); |
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166 }).eq(0); |
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167 } else { |
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168 scrollParent = this.parents().filter(function() { |
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169 return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1)); |
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170 }).eq(0); |
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171 } |
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172 |
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173 return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent; |
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174 } |
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175 }); |
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176 |
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177 |
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178 //Additional selectors |
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179 $.extend($.expr[':'], { |
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180 data: function(elem, i, match) { |
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181 return !!$.data(elem, match[3]); |
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182 }, |
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183 |
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184 focusable: function(element) { |
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185 var nodeName = element.nodeName.toLowerCase(), |
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186 tabIndex = $.attr(element, 'tabindex'); |
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187 return (/input|select|textarea|button|object/.test(nodeName) |
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188 ? !element.disabled |
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189 : 'a' == nodeName || 'area' == nodeName |
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190 ? element.href || !isNaN(tabIndex) |
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191 : !isNaN(tabIndex)) |
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192 // the element and all of its ancestors must be visible |
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193 // the browser may report that the area is hidden |
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194 && !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length; |
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195 }, |
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196 |
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197 tabbable: function(element) { |
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198 var tabIndex = $.attr(element, 'tabindex'); |
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199 return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable'); |
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200 } |
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201 }); |
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202 |
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203 |
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204 // $.widget is a factory to create jQuery plugins |
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205 // taking some boilerplate code out of the plugin code |
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206 function getter(namespace, plugin, method, args) { |
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207 function getMethods(type) { |
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208 var methods = $[namespace][plugin][type] || []; |
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209 return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods); |
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210 } |
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211 |
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212 var methods = getMethods('getter'); |
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213 if (args.length == 1 && typeof args[0] == 'string') { |
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214 methods = methods.concat(getMethods('getterSetter')); |
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215 } |
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216 return ($.inArray(method, methods) != -1); |
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217 } |
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218 |
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219 $.widget = function(name, prototype) { |
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220 var namespace = name.split(".")[0]; |
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221 name = name.split(".")[1]; |
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222 |
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223 // create plugin method |
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224 $.fn[name] = function(options) { |
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225 var isMethodCall = (typeof options == 'string'), |
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226 args = Array.prototype.slice.call(arguments, 1); |
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227 |
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228 // prevent calls to internal methods |
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229 if (isMethodCall && options.substring(0, 1) == '_') { |
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230 return this; |
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231 } |
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232 |
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233 // handle getter methods |
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234 if (isMethodCall && getter(namespace, name, options, args)) { |
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235 var instance = $.data(this[0], name); |
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236 return (instance ? instance[options].apply(instance, args) |
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237 : undefined); |
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238 } |
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239 |
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240 // handle initialization and non-getter methods |
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241 return this.each(function() { |
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242 var instance = $.data(this, name); |
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243 |
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244 // constructor |
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245 (!instance && !isMethodCall && |
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246 $.data(this, name, new $[namespace][name](this, options))._init()); |
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247 |
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248 // method call |
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249 (instance && isMethodCall && $.isFunction(instance[options]) && |
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250 instance[options].apply(instance, args)); |
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251 }); |
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252 }; |
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253 |
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254 // create widget constructor |
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255 $[namespace] = $[namespace] || {}; |
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256 $[namespace][name] = function(element, options) { |
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257 var self = this; |
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258 |
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259 this.namespace = namespace; |
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260 this.widgetName = name; |
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261 this.widgetEventPrefix = $[namespace][name].eventPrefix || name; |
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262 this.widgetBaseClass = namespace + '-' + name; |
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263 |
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264 this.options = $.extend({}, |
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265 $.widget.defaults, |
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266 $[namespace][name].defaults, |
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267 $.metadata && $.metadata.get(element)[name], |
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268 options); |
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269 |
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270 this.element = $(element) |
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271 .bind('setData.' + name, function(event, key, value) { |
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272 if (event.target == element) { |
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273 return self._setData(key, value); |
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274 } |
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275 }) |
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276 .bind('getData.' + name, function(event, key) { |
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277 if (event.target == element) { |
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278 return self._getData(key); |
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279 } |
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280 }) |
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281 .bind('remove', function() { |
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282 return self.destroy(); |
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283 }); |
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284 }; |
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285 |
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286 // add widget prototype |
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287 $[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype); |
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288 |
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289 // TODO: merge getter and getterSetter properties from widget prototype |
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290 // and plugin prototype |
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291 $[namespace][name].getterSetter = 'option'; |
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292 }; |
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293 |
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294 $.widget.prototype = { |
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295 _init: function() {}, |
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296 destroy: function() { |
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297 this.element.removeData(this.widgetName) |
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298 .removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled') |
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299 .removeAttr('aria-disabled'); |
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300 }, |
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301 |
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302 option: function(key, value) { |
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303 var options = key, |
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304 self = this; |
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305 |
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306 if (typeof key == "string") { |
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307 if (value === undefined) { |
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308 return this._getData(key); |
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309 } |
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310 options = {}; |
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311 options[key] = value; |
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312 } |
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313 |
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314 $.each(options, function(key, value) { |
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315 self._setData(key, value); |
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316 }); |
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317 }, |
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318 _getData: function(key) { |
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319 return this.options[key]; |
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320 }, |
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321 _setData: function(key, value) { |
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322 this.options[key] = value; |
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323 |
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324 if (key == 'disabled') { |
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325 this.element |
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326 [value ? 'addClass' : 'removeClass']( |
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327 this.widgetBaseClass + '-disabled' + ' ' + |
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328 this.namespace + '-state-disabled') |
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329 .attr("aria-disabled", value); |
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330 } |
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331 }, |
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332 |
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333 enable: function() { |
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334 this._setData('disabled', false); |
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335 }, |
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336 disable: function() { |
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337 this._setData('disabled', true); |
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338 }, |
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339 |
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340 _trigger: function(type, event, data) { |
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341 var callback = this.options[type], |
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342 eventName = (type == this.widgetEventPrefix |
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343 ? type : this.widgetEventPrefix + type); |
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344 |
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345 event = $.Event(event); |
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346 event.type = eventName; |
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347 |
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348 // copy original event properties over to the new event |
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349 // this would happen if we could call $.event.fix instead of $.Event |
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350 // but we don't have a way to force an event to be fixed multiple times |
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351 if (event.originalEvent) { |
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352 for (var i = $.event.props.length, prop; i;) { |
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353 prop = $.event.props[--i]; |
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354 event[prop] = event.originalEvent[prop]; |
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355 } |
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356 } |
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357 |
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358 this.element.trigger(event, data); |
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359 |
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360 return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false |
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361 || event.isDefaultPrevented()); |
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362 } |
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363 }; |
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364 |
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365 $.widget.defaults = { |
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366 disabled: false |
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367 }; |
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368 |
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369 |
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370 /** Mouse Interaction Plugin **/ |
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371 |
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372 $.ui.mouse = { |
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373 _mouseInit: function() { |
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374 var self = this; |
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375 |
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376 this.element |
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377 .bind('mousedown.'+this.widgetName, function(event) { |
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378 return self._mouseDown(event); |
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379 }) |
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380 .bind('click.'+this.widgetName, function(event) { |
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381 if(self._preventClickEvent) { |
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382 self._preventClickEvent = false; |
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383 event.stopImmediatePropagation(); |
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384 return false; |
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385 } |
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386 }); |
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387 |
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388 // Prevent text selection in IE |
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389 if ($.browser.msie) { |
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390 this._mouseUnselectable = this.element.attr('unselectable'); |
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391 this.element.attr('unselectable', 'on'); |
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392 } |
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393 |
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394 this.started = false; |
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395 }, |
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396 |
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397 // TODO: make sure destroying one instance of mouse doesn't mess with |
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398 // other instances of mouse |
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399 _mouseDestroy: function() { |
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400 this.element.unbind('.'+this.widgetName); |
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401 |
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402 // Restore text selection in IE |
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403 ($.browser.msie |
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404 && this.element.attr('unselectable', this._mouseUnselectable)); |
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405 }, |
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406 |
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407 _mouseDown: function(event) { |
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408 // don't let more than one widget handle mouseStart |
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409 // TODO: figure out why we have to use originalEvent |
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410 event.originalEvent = event.originalEvent || {}; |
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411 if (event.originalEvent.mouseHandled) { return; } |
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412 |
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413 // we may have missed mouseup (out of window) |
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414 (this._mouseStarted && this._mouseUp(event)); |
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415 |
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416 this._mouseDownEvent = event; |
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417 |
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418 var self = this, |
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419 btnIsLeft = (event.which == 1), |
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420 elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false); |
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421 if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) { |
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422 return true; |
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423 } |
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424 |
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425 this.mouseDelayMet = !this.options.delay; |
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426 if (!this.mouseDelayMet) { |
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427 this._mouseDelayTimer = setTimeout(function() { |
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428 self.mouseDelayMet = true; |
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429 }, this.options.delay); |
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430 } |
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431 |
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432 if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) { |
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433 this._mouseStarted = (this._mouseStart(event) !== false); |
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434 if (!this._mouseStarted) { |
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435 event.preventDefault(); |
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436 return true; |
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437 } |
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438 } |
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439 |
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440 // these delegates are required to keep context |
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441 this._mouseMoveDelegate = function(event) { |
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442 return self._mouseMove(event); |
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443 }; |
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444 this._mouseUpDelegate = function(event) { |
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445 return self._mouseUp(event); |
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446 }; |
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447 $(document) |
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448 .bind('mousemove.'+this.widgetName, this._mouseMoveDelegate) |
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449 .bind('mouseup.'+this.widgetName, this._mouseUpDelegate); |
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450 |
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451 // preventDefault() is used to prevent the selection of text here - |
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452 // however, in Safari, this causes select boxes not to be selectable |
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453 // anymore, so this fix is needed |
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454 ($.browser.safari || event.preventDefault()); |
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455 |
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456 event.originalEvent.mouseHandled = true; |
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457 return true; |
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458 }, |
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459 |
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460 _mouseMove: function(event) { |
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461 // IE mouseup check - mouseup happened when mouse was out of window |
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462 if ($.browser.msie && !event.button) { |
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463 return this._mouseUp(event); |
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464 } |
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465 |
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466 if (this._mouseStarted) { |
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467 this._mouseDrag(event); |
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468 return event.preventDefault(); |
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469 } |
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470 |
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471 if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) { |
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472 this._mouseStarted = |
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473 (this._mouseStart(this._mouseDownEvent, event) !== false); |
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474 (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event)); |
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475 } |
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476 |
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477 return !this._mouseStarted; |
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478 }, |
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479 |
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480 _mouseUp: function(event) { |
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481 $(document) |
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482 .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate) |
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483 .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate); |
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484 |
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485 if (this._mouseStarted) { |
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486 this._mouseStarted = false; |
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487 this._preventClickEvent = (event.target == this._mouseDownEvent.target); |
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488 this._mouseStop(event); |
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489 } |
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490 |
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491 return false; |
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492 }, |
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493 |
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494 _mouseDistanceMet: function(event) { |
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495 return (Math.max( |
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496 Math.abs(this._mouseDownEvent.pageX - event.pageX), |
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497 Math.abs(this._mouseDownEvent.pageY - event.pageY) |
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498 ) >= this.options.distance |
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499 ); |
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500 }, |
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501 |
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502 _mouseDelayMet: function(event) { |
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503 return this.mouseDelayMet; |
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504 }, |
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505 |
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506 // These are placeholder methods, to be overriden by extending plugin |
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507 _mouseStart: function(event) {}, |
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508 _mouseDrag: function(event) {}, |
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509 _mouseStop: function(event) {}, |
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510 _mouseCapture: function(event) { return true; } |
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511 }; |
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512 |
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513 $.ui.mouse.defaults = { |
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514 cancel: null, |
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515 distance: 1, |
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516 delay: 0 |
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517 }; |
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518 |
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519 })(jQuery); |
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