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756
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1 /*
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2 * jQuery UI Slider 1.8.9
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3 *
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4 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
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5 * Dual licensed under the MIT or GPL Version 2 licenses.
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6 * http://jquery.org/license
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7 *
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8 * http://docs.jquery.com/UI/Slider
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9 *
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10 * Depends:
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11 * jquery.ui.core.js
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12 * jquery.ui.mouse.js
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13 * jquery.ui.widget.js
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14 */
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15 (function( $, undefined ) {
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16
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17 // number of pages in a slider
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18 // (how many times can you page up/down to go through the whole range)
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19 var numPages = 5;
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20
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21 $.widget( "ui.slider", $.ui.mouse, {
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22
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23 widgetEventPrefix: "slide",
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24
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25 options: {
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26 animate: false,
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27 distance: 0,
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28 max: 100,
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29 min: 0,
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30 orientation: "horizontal",
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31 range: false,
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32 step: 1,
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33 value: 0,
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34 values: null
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35 },
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36
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37 _create: function() {
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38 var self = this,
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39 o = this.options;
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40
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41 this._keySliding = false;
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42 this._mouseSliding = false;
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43 this._animateOff = true;
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44 this._handleIndex = null;
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45 this._detectOrientation();
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46 this._mouseInit();
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47
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48 this.element
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49 .addClass( "ui-slider" +
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50 " ui-slider-" + this.orientation +
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51 " ui-widget" +
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52 " ui-widget-content" +
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53 " ui-corner-all" );
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54
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55 if ( o.disabled ) {
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56 this.element.addClass( "ui-slider-disabled ui-disabled" );
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57 }
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58
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59 this.range = $([]);
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60
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61 if ( o.range ) {
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62 if ( o.range === true ) {
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63 this.range = $( "<div></div>" );
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64 if ( !o.values ) {
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65 o.values = [ this._valueMin(), this._valueMin() ];
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66 }
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67 if ( o.values.length && o.values.length !== 2 ) {
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68 o.values = [ o.values[0], o.values[0] ];
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69 }
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70 } else {
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71 this.range = $( "<div></div>" );
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72 }
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73
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74 this.range
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75 .appendTo( this.element )
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76 .addClass( "ui-slider-range" );
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77
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78 if ( o.range === "min" || o.range === "max" ) {
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79 this.range.addClass( "ui-slider-range-" + o.range );
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80 }
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81
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82 // note: this isn't the most fittingly semantic framework class for this element,
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83 // but worked best visually with a variety of themes
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84 this.range.addClass( "ui-widget-header" );
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85 }
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86
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87 if ( $( ".ui-slider-handle", this.element ).length === 0 ) {
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88 $( "<a href='#'></a>" )
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89 .appendTo( this.element )
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90 .addClass( "ui-slider-handle" );
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91 }
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92
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93 if ( o.values && o.values.length ) {
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94 while ( $(".ui-slider-handle", this.element).length < o.values.length ) {
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95 $( "<a href='#'></a>" )
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96 .appendTo( this.element )
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97 .addClass( "ui-slider-handle" );
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98 }
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99 }
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100
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101 this.handles = $( ".ui-slider-handle", this.element )
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102 .addClass( "ui-state-default" +
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103 " ui-corner-all" );
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104
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105 this.handle = this.handles.eq( 0 );
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106
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107 this.handles.add( this.range ).filter( "a" )
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108 .click(function( event ) {
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109 event.preventDefault();
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110 })
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111 .hover(function() {
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112 if ( !o.disabled ) {
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113 $( this ).addClass( "ui-state-hover" );
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114 }
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115 }, function() {
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116 $( this ).removeClass( "ui-state-hover" );
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117 })
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118 .focus(function() {
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119 if ( !o.disabled ) {
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120 $( ".ui-slider .ui-state-focus" ).removeClass( "ui-state-focus" );
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121 $( this ).addClass( "ui-state-focus" );
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122 } else {
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123 $( this ).blur();
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124 }
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125 })
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126 .blur(function() {
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127 $( this ).removeClass( "ui-state-focus" );
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128 });
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129
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130 this.handles.each(function( i ) {
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131 $( this ).data( "index.ui-slider-handle", i );
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132 });
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133
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134 this.handles
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135 .keydown(function( event ) {
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136 var ret = true,
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137 index = $( this ).data( "index.ui-slider-handle" ),
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138 allowed,
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139 curVal,
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140 newVal,
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141 step;
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142
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143 if ( self.options.disabled ) {
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144 return;
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145 }
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146
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147 switch ( event.keyCode ) {
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148 case $.ui.keyCode.HOME:
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149 case $.ui.keyCode.END:
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150 case $.ui.keyCode.PAGE_UP:
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151 case $.ui.keyCode.PAGE_DOWN:
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152 case $.ui.keyCode.UP:
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153 case $.ui.keyCode.RIGHT:
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154 case $.ui.keyCode.DOWN:
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155 case $.ui.keyCode.LEFT:
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156 ret = false;
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157 if ( !self._keySliding ) {
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158 self._keySliding = true;
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159 $( this ).addClass( "ui-state-active" );
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160 allowed = self._start( event, index );
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161 if ( allowed === false ) {
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162 return;
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163 }
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164 }
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165 break;
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166 }
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167
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168 step = self.options.step;
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169 if ( self.options.values && self.options.values.length ) {
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170 curVal = newVal = self.values( index );
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171 } else {
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172 curVal = newVal = self.value();
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173 }
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174
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175 switch ( event.keyCode ) {
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176 case $.ui.keyCode.HOME:
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177 newVal = self._valueMin();
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178 break;
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179 case $.ui.keyCode.END:
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180 newVal = self._valueMax();
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181 break;
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182 case $.ui.keyCode.PAGE_UP:
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183 newVal = self._trimAlignValue( curVal + ( (self._valueMax() - self._valueMin()) / numPages ) );
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184 break;
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185 case $.ui.keyCode.PAGE_DOWN:
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186 newVal = self._trimAlignValue( curVal - ( (self._valueMax() - self._valueMin()) / numPages ) );
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187 break;
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188 case $.ui.keyCode.UP:
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189 case $.ui.keyCode.RIGHT:
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190 if ( curVal === self._valueMax() ) {
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191 return;
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192 }
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193 newVal = self._trimAlignValue( curVal + step );
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194 break;
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195 case $.ui.keyCode.DOWN:
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196 case $.ui.keyCode.LEFT:
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197 if ( curVal === self._valueMin() ) {
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198 return;
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199 }
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200 newVal = self._trimAlignValue( curVal - step );
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201 break;
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202 }
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203
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204 self._slide( event, index, newVal );
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205
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206 return ret;
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207
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208 })
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209 .keyup(function( event ) {
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210 var index = $( this ).data( "index.ui-slider-handle" );
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211
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212 if ( self._keySliding ) {
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213 self._keySliding = false;
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214 self._stop( event, index );
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215 self._change( event, index );
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216 $( this ).removeClass( "ui-state-active" );
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217 }
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218
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219 });
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220
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221 this._refreshValue();
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222
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223 this._animateOff = false;
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224 },
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225
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226 destroy: function() {
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227 this.handles.remove();
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228 this.range.remove();
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229
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230 this.element
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231 .removeClass( "ui-slider" +
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232 " ui-slider-horizontal" +
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233 " ui-slider-vertical" +
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234 " ui-slider-disabled" +
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235 " ui-widget" +
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236 " ui-widget-content" +
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237 " ui-corner-all" )
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238 .removeData( "slider" )
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239 .unbind( ".slider" );
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240
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241 this._mouseDestroy();
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242
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243 return this;
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244 },
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245
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246 _mouseCapture: function( event ) {
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247 var o = this.options,
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248 position,
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249 normValue,
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250 distance,
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251 closestHandle,
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252 self,
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253 index,
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254 allowed,
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255 offset,
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256 mouseOverHandle;
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257
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258 if ( o.disabled ) {
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259 return false;
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260 }
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261
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262 this.elementSize = {
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263 width: this.element.outerWidth(),
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264 height: this.element.outerHeight()
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265 };
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266 this.elementOffset = this.element.offset();
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267
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268 position = { x: event.pageX, y: event.pageY };
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269 normValue = this._normValueFromMouse( position );
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270 distance = this._valueMax() - this._valueMin() + 1;
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271 self = this;
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272 this.handles.each(function( i ) {
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273 var thisDistance = Math.abs( normValue - self.values(i) );
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274 if ( distance > thisDistance ) {
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275 distance = thisDistance;
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276 closestHandle = $( this );
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277 index = i;
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278 }
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279 });
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280
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281 // workaround for bug #3736 (if both handles of a range are at 0,
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282 // the first is always used as the one with least distance,
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283 // and moving it is obviously prevented by preventing negative ranges)
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284 if( o.range === true && this.values(1) === o.min ) {
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285 index += 1;
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286 closestHandle = $( this.handles[index] );
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287 }
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288
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289 allowed = this._start( event, index );
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290 if ( allowed === false ) {
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291 return false;
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292 }
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293 this._mouseSliding = true;
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294
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295 self._handleIndex = index;
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296
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297 closestHandle
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298 .addClass( "ui-state-active" )
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299 .focus();
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300
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301 offset = closestHandle.offset();
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302 mouseOverHandle = !$( event.target ).parents().andSelf().is( ".ui-slider-handle" );
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303 this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
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304 left: event.pageX - offset.left - ( closestHandle.width() / 2 ),
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305 top: event.pageY - offset.top -
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306 ( closestHandle.height() / 2 ) -
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307 ( parseInt( closestHandle.css("borderTopWidth"), 10 ) || 0 ) -
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308 ( parseInt( closestHandle.css("borderBottomWidth"), 10 ) || 0) +
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309 ( parseInt( closestHandle.css("marginTop"), 10 ) || 0)
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310 };
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311
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312 if ( !this.handles.hasClass( "ui-state-hover" ) ) {
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313 this._slide( event, index, normValue );
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314 }
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315 this._animateOff = true;
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316 return true;
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317 },
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318
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319 _mouseStart: function( event ) {
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320 return true;
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321 },
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322
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323 _mouseDrag: function( event ) {
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324 var position = { x: event.pageX, y: event.pageY },
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325 normValue = this._normValueFromMouse( position );
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326
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327 this._slide( event, this._handleIndex, normValue );
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328
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329 return false;
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330 },
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331
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332 _mouseStop: function( event ) {
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333 this.handles.removeClass( "ui-state-active" );
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334 this._mouseSliding = false;
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335
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336 this._stop( event, this._handleIndex );
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337 this._change( event, this._handleIndex );
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338
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339 this._handleIndex = null;
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340 this._clickOffset = null;
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341 this._animateOff = false;
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342
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343 return false;
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344 },
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345
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346 _detectOrientation: function() {
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347 this.orientation = ( this.options.orientation === "vertical" ) ? "vertical" : "horizontal";
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348 },
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349
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350 _normValueFromMouse: function( position ) {
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351 var pixelTotal,
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352 pixelMouse,
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353 percentMouse,
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354 valueTotal,
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355 valueMouse;
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356
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357 if ( this.orientation === "horizontal" ) {
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358 pixelTotal = this.elementSize.width;
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359 pixelMouse = position.x - this.elementOffset.left - ( this._clickOffset ? this._clickOffset.left : 0 );
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360 } else {
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361 pixelTotal = this.elementSize.height;
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362 pixelMouse = position.y - this.elementOffset.top - ( this._clickOffset ? this._clickOffset.top : 0 );
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363 }
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364
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365 percentMouse = ( pixelMouse / pixelTotal );
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366 if ( percentMouse > 1 ) {
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367 percentMouse = 1;
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368 }
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369 if ( percentMouse < 0 ) {
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370 percentMouse = 0;
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371 }
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372 if ( this.orientation === "vertical" ) {
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373 percentMouse = 1 - percentMouse;
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374 }
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375
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376 valueTotal = this._valueMax() - this._valueMin();
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377 valueMouse = this._valueMin() + percentMouse * valueTotal;
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378
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379 return this._trimAlignValue( valueMouse );
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380 },
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381
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382 _start: function( event, index ) {
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383 var uiHash = {
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384 handle: this.handles[ index ],
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385 value: this.value()
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386 };
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387 if ( this.options.values && this.options.values.length ) {
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388 uiHash.value = this.values( index );
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389 uiHash.values = this.values();
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390 }
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391 return this._trigger( "start", event, uiHash );
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392 },
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393
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394 _slide: function( event, index, newVal ) {
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395 var otherVal,
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396 newValues,
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397 allowed;
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398
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399 if ( this.options.values && this.options.values.length ) {
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400 otherVal = this.values( index ? 0 : 1 );
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401
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402 if ( ( this.options.values.length === 2 && this.options.range === true ) &&
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403 ( ( index === 0 && newVal > otherVal) || ( index === 1 && newVal < otherVal ) )
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404 ) {
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405 newVal = otherVal;
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406 }
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407
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408 if ( newVal !== this.values( index ) ) {
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409 newValues = this.values();
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410 newValues[ index ] = newVal;
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411 // A slide can be canceled by returning false from the slide callback
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412 allowed = this._trigger( "slide", event, {
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413 handle: this.handles[ index ],
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414 value: newVal,
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415 values: newValues
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416 } );
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417 otherVal = this.values( index ? 0 : 1 );
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418 if ( allowed !== false ) {
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419 this.values( index, newVal, true );
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420 }
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421 }
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422 } else {
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423 if ( newVal !== this.value() ) {
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424 // A slide can be canceled by returning false from the slide callback
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425 allowed = this._trigger( "slide", event, {
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426 handle: this.handles[ index ],
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427 value: newVal
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428 } );
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429 if ( allowed !== false ) {
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430 this.value( newVal );
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431 }
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432 }
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433 }
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434 },
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435
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436 _stop: function( event, index ) {
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437 var uiHash = {
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438 handle: this.handles[ index ],
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439 value: this.value()
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440 };
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441 if ( this.options.values && this.options.values.length ) {
|
|
|
442 uiHash.value = this.values( index );
|
|
|
443 uiHash.values = this.values();
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|
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444 }
|
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445
|
|
|
446 this._trigger( "stop", event, uiHash );
|
|
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447 },
|
|
|
448
|
|
|
449 _change: function( event, index ) {
|
|
|
450 if ( !this._keySliding && !this._mouseSliding ) {
|
|
|
451 var uiHash = {
|
|
|
452 handle: this.handles[ index ],
|
|
|
453 value: this.value()
|
|
|
454 };
|
|
|
455 if ( this.options.values && this.options.values.length ) {
|
|
|
456 uiHash.value = this.values( index );
|
|
|
457 uiHash.values = this.values();
|
|
|
458 }
|
|
|
459
|
|
|
460 this._trigger( "change", event, uiHash );
|
|
|
461 }
|
|
|
462 },
|
|
|
463
|
|
|
464 value: function( newValue ) {
|
|
|
465 if ( arguments.length ) {
|
|
|
466 this.options.value = this._trimAlignValue( newValue );
|
|
|
467 this._refreshValue();
|
|
|
468 this._change( null, 0 );
|
|
|
469 }
|
|
|
470
|
|
|
471 return this._value();
|
|
|
472 },
|
|
|
473
|
|
|
474 values: function( index, newValue ) {
|
|
|
475 var vals,
|
|
|
476 newValues,
|
|
|
477 i;
|
|
|
478
|
|
|
479 if ( arguments.length > 1 ) {
|
|
|
480 this.options.values[ index ] = this._trimAlignValue( newValue );
|
|
|
481 this._refreshValue();
|
|
|
482 this._change( null, index );
|
|
|
483 }
|
|
|
484
|
|
|
485 if ( arguments.length ) {
|
|
|
486 if ( $.isArray( arguments[ 0 ] ) ) {
|
|
|
487 vals = this.options.values;
|
|
|
488 newValues = arguments[ 0 ];
|
|
|
489 for ( i = 0; i < vals.length; i += 1 ) {
|
|
|
490 vals[ i ] = this._trimAlignValue( newValues[ i ] );
|
|
|
491 this._change( null, i );
|
|
|
492 }
|
|
|
493 this._refreshValue();
|
|
|
494 } else {
|
|
|
495 if ( this.options.values && this.options.values.length ) {
|
|
|
496 return this._values( index );
|
|
|
497 } else {
|
|
|
498 return this.value();
|
|
|
499 }
|
|
|
500 }
|
|
|
501 } else {
|
|
|
502 return this._values();
|
|
|
503 }
|
|
|
504 },
|
|
|
505
|
|
|
506 _setOption: function( key, value ) {
|
|
|
507 var i,
|
|
|
508 valsLength = 0;
|
|
|
509
|
|
|
510 if ( $.isArray( this.options.values ) ) {
|
|
|
511 valsLength = this.options.values.length;
|
|
|
512 }
|
|
|
513
|
|
|
514 $.Widget.prototype._setOption.apply( this, arguments );
|
|
|
515
|
|
|
516 switch ( key ) {
|
|
|
517 case "disabled":
|
|
|
518 if ( value ) {
|
|
|
519 this.handles.filter( ".ui-state-focus" ).blur();
|
|
|
520 this.handles.removeClass( "ui-state-hover" );
|
|
|
521 this.handles.attr( "disabled", "disabled" );
|
|
|
522 this.element.addClass( "ui-disabled" );
|
|
|
523 } else {
|
|
|
524 this.handles.removeAttr( "disabled" );
|
|
|
525 this.element.removeClass( "ui-disabled" );
|
|
|
526 }
|
|
|
527 break;
|
|
|
528 case "orientation":
|
|
|
529 this._detectOrientation();
|
|
|
530 this.element
|
|
|
531 .removeClass( "ui-slider-horizontal ui-slider-vertical" )
|
|
|
532 .addClass( "ui-slider-" + this.orientation );
|
|
|
533 this._refreshValue();
|
|
|
534 break;
|
|
|
535 case "value":
|
|
|
536 this._animateOff = true;
|
|
|
537 this._refreshValue();
|
|
|
538 this._change( null, 0 );
|
|
|
539 this._animateOff = false;
|
|
|
540 break;
|
|
|
541 case "values":
|
|
|
542 this._animateOff = true;
|
|
|
543 this._refreshValue();
|
|
|
544 for ( i = 0; i < valsLength; i += 1 ) {
|
|
|
545 this._change( null, i );
|
|
|
546 }
|
|
|
547 this._animateOff = false;
|
|
|
548 break;
|
|
|
549 }
|
|
|
550 },
|
|
|
551
|
|
|
552 //internal value getter
|
|
|
553 // _value() returns value trimmed by min and max, aligned by step
|
|
|
554 _value: function() {
|
|
|
555 var val = this.options.value;
|
|
|
556 val = this._trimAlignValue( val );
|
|
|
557
|
|
|
558 return val;
|
|
|
559 },
|
|
|
560
|
|
|
561 //internal values getter
|
|
|
562 // _values() returns array of values trimmed by min and max, aligned by step
|
|
|
563 // _values( index ) returns single value trimmed by min and max, aligned by step
|
|
|
564 _values: function( index ) {
|
|
|
565 var val,
|
|
|
566 vals,
|
|
|
567 i;
|
|
|
568
|
|
|
569 if ( arguments.length ) {
|
|
|
570 val = this.options.values[ index ];
|
|
|
571 val = this._trimAlignValue( val );
|
|
|
572
|
|
|
573 return val;
|
|
|
574 } else {
|
|
|
575 // .slice() creates a copy of the array
|
|
|
576 // this copy gets trimmed by min and max and then returned
|
|
|
577 vals = this.options.values.slice();
|
|
|
578 for ( i = 0; i < vals.length; i+= 1) {
|
|
|
579 vals[ i ] = this._trimAlignValue( vals[ i ] );
|
|
|
580 }
|
|
|
581
|
|
|
582 return vals;
|
|
|
583 }
|
|
|
584 },
|
|
|
585
|
|
|
586 // returns the step-aligned value that val is closest to, between (inclusive) min and max
|
|
|
587 _trimAlignValue: function( val ) {
|
|
|
588 if ( val <= this._valueMin() ) {
|
|
|
589 return this._valueMin();
|
|
|
590 }
|
|
|
591 if ( val >= this._valueMax() ) {
|
|
|
592 return this._valueMax();
|
|
|
593 }
|
|
|
594 var step = ( this.options.step > 0 ) ? this.options.step : 1,
|
|
|
595 valModStep = (val - this._valueMin()) % step;
|
|
|
596 alignValue = val - valModStep;
|
|
|
597
|
|
|
598 if ( Math.abs(valModStep) * 2 >= step ) {
|
|
|
599 alignValue += ( valModStep > 0 ) ? step : ( -step );
|
|
|
600 }
|
|
|
601
|
|
|
602 // Since JavaScript has problems with large floats, round
|
|
|
603 // the final value to 5 digits after the decimal point (see #4124)
|
|
|
604 return parseFloat( alignValue.toFixed(5) );
|
|
|
605 },
|
|
|
606
|
|
|
607 _valueMin: function() {
|
|
|
608 return this.options.min;
|
|
|
609 },
|
|
|
610
|
|
|
611 _valueMax: function() {
|
|
|
612 return this.options.max;
|
|
|
613 },
|
|
|
614
|
|
|
615 _refreshValue: function() {
|
|
|
616 var oRange = this.options.range,
|
|
|
617 o = this.options,
|
|
|
618 self = this,
|
|
|
619 animate = ( !this._animateOff ) ? o.animate : false,
|
|
|
620 valPercent,
|
|
|
621 _set = {},
|
|
|
622 lastValPercent,
|
|
|
623 value,
|
|
|
624 valueMin,
|
|
|
625 valueMax;
|
|
|
626
|
|
|
627 if ( this.options.values && this.options.values.length ) {
|
|
|
628 this.handles.each(function( i, j ) {
|
|
|
629 valPercent = ( self.values(i) - self._valueMin() ) / ( self._valueMax() - self._valueMin() ) * 100;
|
|
|
630 _set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
|
|
|
631 $( this ).stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
|
|
|
632 if ( self.options.range === true ) {
|
|
|
633 if ( self.orientation === "horizontal" ) {
|
|
|
634 if ( i === 0 ) {
|
|
|
635 self.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { left: valPercent + "%" }, o.animate );
|
|
|
636 }
|
|
|
637 if ( i === 1 ) {
|
|
|
638 self.range[ animate ? "animate" : "css" ]( { width: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
|
639 }
|
|
|
640 } else {
|
|
|
641 if ( i === 0 ) {
|
|
|
642 self.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { bottom: ( valPercent ) + "%" }, o.animate );
|
|
|
643 }
|
|
|
644 if ( i === 1 ) {
|
|
|
645 self.range[ animate ? "animate" : "css" ]( { height: ( valPercent - lastValPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
|
646 }
|
|
|
647 }
|
|
|
648 }
|
|
|
649 lastValPercent = valPercent;
|
|
|
650 });
|
|
|
651 } else {
|
|
|
652 value = this.value();
|
|
|
653 valueMin = this._valueMin();
|
|
|
654 valueMax = this._valueMax();
|
|
|
655 valPercent = ( valueMax !== valueMin ) ?
|
|
|
656 ( value - valueMin ) / ( valueMax - valueMin ) * 100 :
|
|
|
657 0;
|
|
|
658 _set[ self.orientation === "horizontal" ? "left" : "bottom" ] = valPercent + "%";
|
|
|
659 this.handle.stop( 1, 1 )[ animate ? "animate" : "css" ]( _set, o.animate );
|
|
|
660
|
|
|
661 if ( oRange === "min" && this.orientation === "horizontal" ) {
|
|
|
662 this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { width: valPercent + "%" }, o.animate );
|
|
|
663 }
|
|
|
664 if ( oRange === "max" && this.orientation === "horizontal" ) {
|
|
|
665 this.range[ animate ? "animate" : "css" ]( { width: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
|
666 }
|
|
|
667 if ( oRange === "min" && this.orientation === "vertical" ) {
|
|
|
668 this.range.stop( 1, 1 )[ animate ? "animate" : "css" ]( { height: valPercent + "%" }, o.animate );
|
|
|
669 }
|
|
|
670 if ( oRange === "max" && this.orientation === "vertical" ) {
|
|
|
671 this.range[ animate ? "animate" : "css" ]( { height: ( 100 - valPercent ) + "%" }, { queue: false, duration: o.animate } );
|
|
|
672 }
|
|
|
673 }
|
|
|
674 }
|
|
|
675
|
|
|
676 });
|
|
|
677
|
|
|
678 $.extend( $.ui.slider, {
|
|
|
679 version: "1.8.9"
|
|
|
680 });
|
|
|
681
|
|
|
682 }(jQuery));
|
