1 /*! |
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2 * jQuery UI Spinner 1.10.3 |
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3 * http://jqueryui.com |
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4 * |
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5 * Copyright 2013 jQuery Foundation and other contributors |
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6 * Released under the MIT license. |
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7 * http://jquery.org/license |
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8 * |
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9 * http://api.jqueryui.com/spinner/ |
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10 * |
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11 * Depends: |
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12 * jquery.ui.core.js |
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13 * jquery.ui.widget.js |
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14 * jquery.ui.button.js |
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15 */ |
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16 (function( $ ) { |
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17 |
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18 function modifier( fn ) { |
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19 return function() { |
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20 var previous = this.element.val(); |
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21 fn.apply( this, arguments ); |
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22 this._refresh(); |
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23 if ( previous !== this.element.val() ) { |
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24 this._trigger( "change" ); |
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25 } |
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26 }; |
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27 } |
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28 |
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29 $.widget( "ui.spinner", { |
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30 version: "1.10.3", |
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31 defaultElement: "<input>", |
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32 widgetEventPrefix: "spin", |
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33 options: { |
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34 culture: null, |
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35 icons: { |
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36 down: "ui-icon-triangle-1-s", |
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37 up: "ui-icon-triangle-1-n" |
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38 }, |
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39 incremental: true, |
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40 max: null, |
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41 min: null, |
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42 numberFormat: null, |
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43 page: 10, |
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44 step: 1, |
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45 |
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46 change: null, |
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47 spin: null, |
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48 start: null, |
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49 stop: null |
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50 }, |
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51 |
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52 _create: function() { |
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53 // handle string values that need to be parsed |
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54 this._setOption( "max", this.options.max ); |
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55 this._setOption( "min", this.options.min ); |
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56 this._setOption( "step", this.options.step ); |
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57 |
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58 // format the value, but don't constrain |
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59 this._value( this.element.val(), true ); |
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60 |
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61 this._draw(); |
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62 this._on( this._events ); |
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63 this._refresh(); |
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64 |
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65 // turning off autocomplete prevents the browser from remembering the |
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66 // value when navigating through history, so we re-enable autocomplete |
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67 // if the page is unloaded before the widget is destroyed. #7790 |
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68 this._on( this.window, { |
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69 beforeunload: function() { |
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70 this.element.removeAttr( "autocomplete" ); |
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71 } |
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72 }); |
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73 }, |
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74 |
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75 _getCreateOptions: function() { |
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76 var options = {}, |
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77 element = this.element; |
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78 |
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79 $.each( [ "min", "max", "step" ], function( i, option ) { |
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80 var value = element.attr( option ); |
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81 if ( value !== undefined && value.length ) { |
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82 options[ option ] = value; |
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83 } |
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84 }); |
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85 |
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86 return options; |
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87 }, |
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88 |
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89 _events: { |
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90 keydown: function( event ) { |
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91 if ( this._start( event ) && this._keydown( event ) ) { |
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92 event.preventDefault(); |
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93 } |
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94 }, |
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95 keyup: "_stop", |
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96 focus: function() { |
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97 this.previous = this.element.val(); |
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98 }, |
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99 blur: function( event ) { |
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100 if ( this.cancelBlur ) { |
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101 delete this.cancelBlur; |
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102 return; |
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103 } |
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104 |
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105 this._stop(); |
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106 this._refresh(); |
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107 if ( this.previous !== this.element.val() ) { |
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108 this._trigger( "change", event ); |
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109 } |
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110 }, |
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111 mousewheel: function( event, delta ) { |
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112 if ( !delta ) { |
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113 return; |
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114 } |
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115 if ( !this.spinning && !this._start( event ) ) { |
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116 return false; |
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117 } |
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118 |
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119 this._spin( (delta > 0 ? 1 : -1) * this.options.step, event ); |
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120 clearTimeout( this.mousewheelTimer ); |
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121 this.mousewheelTimer = this._delay(function() { |
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122 if ( this.spinning ) { |
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123 this._stop( event ); |
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124 } |
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125 }, 100 ); |
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126 event.preventDefault(); |
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127 }, |
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128 "mousedown .ui-spinner-button": function( event ) { |
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129 var previous; |
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130 |
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131 // We never want the buttons to have focus; whenever the user is |
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132 // interacting with the spinner, the focus should be on the input. |
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133 // If the input is focused then this.previous is properly set from |
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134 // when the input first received focus. If the input is not focused |
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135 // then we need to set this.previous based on the value before spinning. |
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136 previous = this.element[0] === this.document[0].activeElement ? |
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137 this.previous : this.element.val(); |
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138 function checkFocus() { |
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139 var isActive = this.element[0] === this.document[0].activeElement; |
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140 if ( !isActive ) { |
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141 this.element.focus(); |
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142 this.previous = previous; |
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143 // support: IE |
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144 // IE sets focus asynchronously, so we need to check if focus |
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145 // moved off of the input because the user clicked on the button. |
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146 this._delay(function() { |
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147 this.previous = previous; |
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148 }); |
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149 } |
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150 } |
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151 |
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152 // ensure focus is on (or stays on) the text field |
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153 event.preventDefault(); |
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154 checkFocus.call( this ); |
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155 |
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156 // support: IE |
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157 // IE doesn't prevent moving focus even with event.preventDefault() |
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158 // so we set a flag to know when we should ignore the blur event |
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159 // and check (again) if focus moved off of the input. |
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160 this.cancelBlur = true; |
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161 this._delay(function() { |
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162 delete this.cancelBlur; |
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163 checkFocus.call( this ); |
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164 }); |
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165 |
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166 if ( this._start( event ) === false ) { |
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167 return; |
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168 } |
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169 |
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170 this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event ); |
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171 }, |
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172 "mouseup .ui-spinner-button": "_stop", |
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173 "mouseenter .ui-spinner-button": function( event ) { |
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174 // button will add ui-state-active if mouse was down while mouseleave and kept down |
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175 if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) { |
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176 return; |
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177 } |
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178 |
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179 if ( this._start( event ) === false ) { |
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180 return false; |
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181 } |
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182 this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event ); |
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183 }, |
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184 // TODO: do we really want to consider this a stop? |
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185 // shouldn't we just stop the repeater and wait until mouseup before |
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186 // we trigger the stop event? |
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187 "mouseleave .ui-spinner-button": "_stop" |
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188 }, |
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189 |
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190 _draw: function() { |
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191 var uiSpinner = this.uiSpinner = this.element |
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192 .addClass( "ui-spinner-input" ) |
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193 .attr( "autocomplete", "off" ) |
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194 .wrap( this._uiSpinnerHtml() ) |
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195 .parent() |
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196 // add buttons |
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197 .append( this._buttonHtml() ); |
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198 |
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199 this.element.attr( "role", "spinbutton" ); |
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200 |
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201 // button bindings |
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202 this.buttons = uiSpinner.find( ".ui-spinner-button" ) |
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203 .attr( "tabIndex", -1 ) |
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204 .button() |
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205 .removeClass( "ui-corner-all" ); |
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206 |
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207 // IE 6 doesn't understand height: 50% for the buttons |
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208 // unless the wrapper has an explicit height |
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209 if ( this.buttons.height() > Math.ceil( uiSpinner.height() * 0.5 ) && |
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210 uiSpinner.height() > 0 ) { |
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211 uiSpinner.height( uiSpinner.height() ); |
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212 } |
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213 |
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214 // disable spinner if element was already disabled |
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215 if ( this.options.disabled ) { |
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216 this.disable(); |
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217 } |
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218 }, |
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219 |
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220 _keydown: function( event ) { |
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221 var options = this.options, |
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222 keyCode = $.ui.keyCode; |
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223 |
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224 switch ( event.keyCode ) { |
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225 case keyCode.UP: |
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226 this._repeat( null, 1, event ); |
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227 return true; |
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228 case keyCode.DOWN: |
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229 this._repeat( null, -1, event ); |
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230 return true; |
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231 case keyCode.PAGE_UP: |
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232 this._repeat( null, options.page, event ); |
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233 return true; |
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234 case keyCode.PAGE_DOWN: |
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235 this._repeat( null, -options.page, event ); |
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236 return true; |
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237 } |
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238 |
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239 return false; |
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240 }, |
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241 |
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242 _uiSpinnerHtml: function() { |
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243 return "<span class='ui-spinner ui-widget ui-widget-content ui-corner-all'></span>"; |
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244 }, |
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245 |
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246 _buttonHtml: function() { |
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247 return "" + |
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248 "<a class='ui-spinner-button ui-spinner-up ui-corner-tr'>" + |
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249 "<span class='ui-icon " + this.options.icons.up + "'>▲</span>" + |
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250 "</a>" + |
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251 "<a class='ui-spinner-button ui-spinner-down ui-corner-br'>" + |
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252 "<span class='ui-icon " + this.options.icons.down + "'>▼</span>" + |
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253 "</a>"; |
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254 }, |
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255 |
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256 _start: function( event ) { |
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257 if ( !this.spinning && this._trigger( "start", event ) === false ) { |
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258 return false; |
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259 } |
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260 |
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261 if ( !this.counter ) { |
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262 this.counter = 1; |
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263 } |
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264 this.spinning = true; |
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265 return true; |
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266 }, |
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267 |
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268 _repeat: function( i, steps, event ) { |
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269 i = i || 500; |
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270 |
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271 clearTimeout( this.timer ); |
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272 this.timer = this._delay(function() { |
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273 this._repeat( 40, steps, event ); |
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274 }, i ); |
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275 |
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276 this._spin( steps * this.options.step, event ); |
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277 }, |
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278 |
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279 _spin: function( step, event ) { |
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280 var value = this.value() || 0; |
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281 |
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282 if ( !this.counter ) { |
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283 this.counter = 1; |
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284 } |
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285 |
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286 value = this._adjustValue( value + step * this._increment( this.counter ) ); |
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287 |
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288 if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false) { |
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289 this._value( value ); |
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290 this.counter++; |
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291 } |
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292 }, |
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293 |
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294 _increment: function( i ) { |
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295 var incremental = this.options.incremental; |
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296 |
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297 if ( incremental ) { |
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298 return $.isFunction( incremental ) ? |
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299 incremental( i ) : |
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300 Math.floor( i*i*i/50000 - i*i/500 + 17*i/200 + 1 ); |
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301 } |
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302 |
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303 return 1; |
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304 }, |
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305 |
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306 _precision: function() { |
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307 var precision = this._precisionOf( this.options.step ); |
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308 if ( this.options.min !== null ) { |
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309 precision = Math.max( precision, this._precisionOf( this.options.min ) ); |
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310 } |
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311 return precision; |
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312 }, |
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313 |
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314 _precisionOf: function( num ) { |
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315 var str = num.toString(), |
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316 decimal = str.indexOf( "." ); |
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317 return decimal === -1 ? 0 : str.length - decimal - 1; |
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318 }, |
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319 |
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320 _adjustValue: function( value ) { |
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321 var base, aboveMin, |
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322 options = this.options; |
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323 |
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324 // make sure we're at a valid step |
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325 // - find out where we are relative to the base (min or 0) |
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326 base = options.min !== null ? options.min : 0; |
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327 aboveMin = value - base; |
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328 // - round to the nearest step |
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329 aboveMin = Math.round(aboveMin / options.step) * options.step; |
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330 // - rounding is based on 0, so adjust back to our base |
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331 value = base + aboveMin; |
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332 |
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333 // fix precision from bad JS floating point math |
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334 value = parseFloat( value.toFixed( this._precision() ) ); |
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335 |
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336 // clamp the value |
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337 if ( options.max !== null && value > options.max) { |
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338 return options.max; |
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339 } |
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340 if ( options.min !== null && value < options.min ) { |
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341 return options.min; |
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342 } |
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343 |
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344 return value; |
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345 }, |
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346 |
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347 _stop: function( event ) { |
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348 if ( !this.spinning ) { |
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349 return; |
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350 } |
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351 |
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352 clearTimeout( this.timer ); |
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353 clearTimeout( this.mousewheelTimer ); |
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354 this.counter = 0; |
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355 this.spinning = false; |
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356 this._trigger( "stop", event ); |
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357 }, |
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358 |
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359 _setOption: function( key, value ) { |
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360 if ( key === "culture" || key === "numberFormat" ) { |
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361 var prevValue = this._parse( this.element.val() ); |
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362 this.options[ key ] = value; |
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363 this.element.val( this._format( prevValue ) ); |
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364 return; |
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365 } |
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366 |
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367 if ( key === "max" || key === "min" || key === "step" ) { |
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368 if ( typeof value === "string" ) { |
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369 value = this._parse( value ); |
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370 } |
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371 } |
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372 if ( key === "icons" ) { |
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373 this.buttons.first().find( ".ui-icon" ) |
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374 .removeClass( this.options.icons.up ) |
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375 .addClass( value.up ); |
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376 this.buttons.last().find( ".ui-icon" ) |
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377 .removeClass( this.options.icons.down ) |
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378 .addClass( value.down ); |
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379 } |
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380 |
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381 this._super( key, value ); |
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382 |
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383 if ( key === "disabled" ) { |
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384 if ( value ) { |
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385 this.element.prop( "disabled", true ); |
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386 this.buttons.button( "disable" ); |
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387 } else { |
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388 this.element.prop( "disabled", false ); |
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389 this.buttons.button( "enable" ); |
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390 } |
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391 } |
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392 }, |
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393 |
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394 _setOptions: modifier(function( options ) { |
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395 this._super( options ); |
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396 this._value( this.element.val() ); |
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397 }), |
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398 |
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399 _parse: function( val ) { |
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400 if ( typeof val === "string" && val !== "" ) { |
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401 val = window.Globalize && this.options.numberFormat ? |
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402 Globalize.parseFloat( val, 10, this.options.culture ) : +val; |
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403 } |
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404 return val === "" || isNaN( val ) ? null : val; |
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405 }, |
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406 |
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407 _format: function( value ) { |
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408 if ( value === "" ) { |
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409 return ""; |
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410 } |
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411 return window.Globalize && this.options.numberFormat ? |
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412 Globalize.format( value, this.options.numberFormat, this.options.culture ) : |
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413 value; |
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414 }, |
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415 |
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416 _refresh: function() { |
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417 this.element.attr({ |
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418 "aria-valuemin": this.options.min, |
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419 "aria-valuemax": this.options.max, |
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420 // TODO: what should we do with values that can't be parsed? |
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421 "aria-valuenow": this._parse( this.element.val() ) |
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422 }); |
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423 }, |
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424 |
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425 // update the value without triggering change |
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426 _value: function( value, allowAny ) { |
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427 var parsed; |
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428 if ( value !== "" ) { |
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429 parsed = this._parse( value ); |
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430 if ( parsed !== null ) { |
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431 if ( !allowAny ) { |
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432 parsed = this._adjustValue( parsed ); |
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433 } |
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434 value = this._format( parsed ); |
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435 } |
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436 } |
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437 this.element.val( value ); |
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438 this._refresh(); |
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439 }, |
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440 |
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441 _destroy: function() { |
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442 this.element |
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443 .removeClass( "ui-spinner-input" ) |
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444 .prop( "disabled", false ) |
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445 .removeAttr( "autocomplete" ) |
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446 .removeAttr( "role" ) |
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447 .removeAttr( "aria-valuemin" ) |
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448 .removeAttr( "aria-valuemax" ) |
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449 .removeAttr( "aria-valuenow" ); |
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450 this.uiSpinner.replaceWith( this.element ); |
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451 }, |
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452 |
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453 stepUp: modifier(function( steps ) { |
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454 this._stepUp( steps ); |
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455 }), |
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456 _stepUp: function( steps ) { |
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457 if ( this._start() ) { |
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458 this._spin( (steps || 1) * this.options.step ); |
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459 this._stop(); |
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460 } |
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461 }, |
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462 |
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463 stepDown: modifier(function( steps ) { |
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464 this._stepDown( steps ); |
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465 }), |
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466 _stepDown: function( steps ) { |
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467 if ( this._start() ) { |
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468 this._spin( (steps || 1) * -this.options.step ); |
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469 this._stop(); |
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470 } |
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471 }, |
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472 |
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473 pageUp: modifier(function( pages ) { |
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474 this._stepUp( (pages || 1) * this.options.page ); |
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475 }), |
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476 |
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477 pageDown: modifier(function( pages ) { |
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478 this._stepDown( (pages || 1) * this.options.page ); |
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479 }), |
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480 |
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481 value: function( newVal ) { |
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482 if ( !arguments.length ) { |
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483 return this._parse( this.element.val() ); |
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484 } |
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485 modifier( this._value ).call( this, newVal ); |
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486 }, |
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487 |
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488 widget: function() { |
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489 return this.uiSpinner; |
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490 } |
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491 }); |
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492 |
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493 }( jQuery ) ); |
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