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756
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1 /*
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2 * jQuery UI Button 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/Button
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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.widget.js
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13 */
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14 (function( $, undefined ) {
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15
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16 var lastActive,
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17 baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
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18 stateClasses = "ui-state-hover ui-state-active ",
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19 typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
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20 formResetHandler = function( event ) {
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21 $( ":ui-button", event.target.form ).each(function() {
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22 var inst = $( this ).data( "button" );
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23 setTimeout(function() {
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24 inst.refresh();
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25 }, 1 );
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26 });
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27 },
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28 radioGroup = function( radio ) {
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29 var name = radio.name,
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30 form = radio.form,
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31 radios = $( [] );
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32 if ( name ) {
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33 if ( form ) {
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34 radios = $( form ).find( "[name='" + name + "']" );
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35 } else {
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36 radios = $( "[name='" + name + "']", radio.ownerDocument )
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37 .filter(function() {
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38 return !this.form;
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39 });
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40 }
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41 }
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42 return radios;
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43 };
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44
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45 $.widget( "ui.button", {
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46 options: {
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47 disabled: null,
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48 text: true,
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49 label: null,
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50 icons: {
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51 primary: null,
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52 secondary: null
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53 }
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54 },
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55 _create: function() {
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56 this.element.closest( "form" )
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57 .unbind( "reset.button" )
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58 .bind( "reset.button", formResetHandler );
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59
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60 if ( typeof this.options.disabled !== "boolean" ) {
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61 this.options.disabled = this.element.attr( "disabled" );
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62 }
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63
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64 this._determineButtonType();
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65 this.hasTitle = !!this.buttonElement.attr( "title" );
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66
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67 var self = this,
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68 options = this.options,
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69 toggleButton = this.type === "checkbox" || this.type === "radio",
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70 hoverClass = "ui-state-hover" + ( !toggleButton ? " ui-state-active" : "" ),
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71 focusClass = "ui-state-focus";
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72
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73 if ( options.label === null ) {
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74 options.label = this.buttonElement.html();
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75 }
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76
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77 if ( this.element.is( ":disabled" ) ) {
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78 options.disabled = true;
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79 }
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80
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81 this.buttonElement
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82 .addClass( baseClasses )
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83 .attr( "role", "button" )
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84 .bind( "mouseenter.button", function() {
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85 if ( options.disabled ) {
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86 return;
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87 }
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88 $( this ).addClass( "ui-state-hover" );
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89 if ( this === lastActive ) {
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90 $( this ).addClass( "ui-state-active" );
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91 }
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92 })
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93 .bind( "mouseleave.button", function() {
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94 if ( options.disabled ) {
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95 return;
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96 }
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97 $( this ).removeClass( hoverClass );
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98 })
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99 .bind( "focus.button", function() {
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100 // no need to check disabled, focus won't be triggered anyway
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101 $( this ).addClass( focusClass );
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102 })
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103 .bind( "blur.button", function() {
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104 $( this ).removeClass( focusClass );
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105 });
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106
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107 if ( toggleButton ) {
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108 this.element.bind( "change.button", function() {
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109 self.refresh();
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110 });
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111 }
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112
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113 if ( this.type === "checkbox" ) {
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114 this.buttonElement.bind( "click.button", function() {
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115 if ( options.disabled ) {
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116 return false;
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117 }
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118 $( this ).toggleClass( "ui-state-active" );
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119 self.buttonElement.attr( "aria-pressed", self.element[0].checked );
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120 });
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121 } else if ( this.type === "radio" ) {
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122 this.buttonElement.bind( "click.button", function() {
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123 if ( options.disabled ) {
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124 return false;
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125 }
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126 $( this ).addClass( "ui-state-active" );
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127 self.buttonElement.attr( "aria-pressed", true );
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128
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129 var radio = self.element[ 0 ];
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130 radioGroup( radio )
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131 .not( radio )
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132 .map(function() {
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133 return $( this ).button( "widget" )[ 0 ];
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134 })
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135 .removeClass( "ui-state-active" )
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136 .attr( "aria-pressed", false );
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137 });
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138 } else {
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139 this.buttonElement
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140 .bind( "mousedown.button", function() {
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141 if ( options.disabled ) {
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142 return false;
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143 }
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144 $( this ).addClass( "ui-state-active" );
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145 lastActive = this;
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146 $( document ).one( "mouseup", function() {
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147 lastActive = null;
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148 });
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149 })
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150 .bind( "mouseup.button", function() {
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151 if ( options.disabled ) {
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152 return false;
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153 }
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154 $( this ).removeClass( "ui-state-active" );
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155 })
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156 .bind( "keydown.button", function(event) {
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157 if ( options.disabled ) {
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158 return false;
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159 }
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160 if ( event.keyCode == $.ui.keyCode.SPACE || event.keyCode == $.ui.keyCode.ENTER ) {
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161 $( this ).addClass( "ui-state-active" );
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162 }
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163 })
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164 .bind( "keyup.button", function() {
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165 $( this ).removeClass( "ui-state-active" );
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166 });
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167
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168 if ( this.buttonElement.is("a") ) {
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169 this.buttonElement.keyup(function(event) {
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170 if ( event.keyCode === $.ui.keyCode.SPACE ) {
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171 // TODO pass through original event correctly (just as 2nd argument doesn't work)
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172 $( this ).click();
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173 }
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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 // TODO: pull out $.Widget's handling for the disabled option into
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179 // $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
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180 // be overridden by individual plugins
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181 this._setOption( "disabled", options.disabled );
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182 },
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183
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184 _determineButtonType: function() {
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185
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186 if ( this.element.is(":checkbox") ) {
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187 this.type = "checkbox";
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188 } else {
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189 if ( this.element.is(":radio") ) {
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190 this.type = "radio";
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191 } else {
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192 if ( this.element.is("input") ) {
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193 this.type = "input";
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194 } else {
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195 this.type = "button";
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196 }
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197 }
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198 }
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199
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200 if ( this.type === "checkbox" || this.type === "radio" ) {
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201 // we don't search against the document in case the element
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202 // is disconnected from the DOM
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203 this.buttonElement = this.element.parents().last()
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204 .find( "label[for=" + this.element.attr("id") + "]" );
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205 this.element.addClass( "ui-helper-hidden-accessible" );
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206
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207 var checked = this.element.is( ":checked" );
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208 if ( checked ) {
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209 this.buttonElement.addClass( "ui-state-active" );
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210 }
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211 this.buttonElement.attr( "aria-pressed", checked );
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212 } else {
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213 this.buttonElement = this.element;
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214 }
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215 },
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216
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217 widget: function() {
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218 return this.buttonElement;
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219 },
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220
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221 destroy: function() {
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222 this.element
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223 .removeClass( "ui-helper-hidden-accessible" );
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224 this.buttonElement
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225 .removeClass( baseClasses + " " + stateClasses + " " + typeClasses )
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226 .removeAttr( "role" )
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227 .removeAttr( "aria-pressed" )
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228 .html( this.buttonElement.find(".ui-button-text").html() );
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229
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230 if ( !this.hasTitle ) {
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231 this.buttonElement.removeAttr( "title" );
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232 }
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233
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234 $.Widget.prototype.destroy.call( this );
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235 },
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236
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237 _setOption: function( key, value ) {
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238 $.Widget.prototype._setOption.apply( this, arguments );
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239 if ( key === "disabled" ) {
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240 if ( value ) {
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241 this.element.attr( "disabled", true );
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242 } else {
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243 this.element.removeAttr( "disabled" );
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244 }
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245 }
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246 this._resetButton();
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247 },
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248
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249 refresh: function() {
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250 var isDisabled = this.element.is( ":disabled" );
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251 if ( isDisabled !== this.options.disabled ) {
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252 this._setOption( "disabled", isDisabled );
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253 }
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254 if ( this.type === "radio" ) {
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255 radioGroup( this.element[0] ).each(function() {
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256 if ( $( this ).is( ":checked" ) ) {
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257 $( this ).button( "widget" )
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258 .addClass( "ui-state-active" )
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259 .attr( "aria-pressed", true );
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260 } else {
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261 $( this ).button( "widget" )
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262 .removeClass( "ui-state-active" )
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263 .attr( "aria-pressed", false );
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264 }
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265 });
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266 } else if ( this.type === "checkbox" ) {
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267 if ( this.element.is( ":checked" ) ) {
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268 this.buttonElement
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269 .addClass( "ui-state-active" )
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270 .attr( "aria-pressed", true );
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271 } else {
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272 this.buttonElement
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273 .removeClass( "ui-state-active" )
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274 .attr( "aria-pressed", false );
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275 }
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276 }
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277 },
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278
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279 _resetButton: function() {
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280 if ( this.type === "input" ) {
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281 if ( this.options.label ) {
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282 this.element.val( this.options.label );
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283 }
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284 return;
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285 }
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286 var buttonElement = this.buttonElement.removeClass( typeClasses ),
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287 buttonText = $( "<span></span>" )
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288 .addClass( "ui-button-text" )
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289 .html( this.options.label )
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290 .appendTo( buttonElement.empty() )
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291 .text(),
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292 icons = this.options.icons,
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293 multipleIcons = icons.primary && icons.secondary;
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294 if ( icons.primary || icons.secondary ) {
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295 buttonElement.addClass( "ui-button-text-icon" +
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296 ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
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297 if ( icons.primary ) {
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298 buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
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299 }
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300 if ( icons.secondary ) {
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301 buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
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302 }
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303 if ( !this.options.text ) {
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304 buttonElement
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305 .addClass( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" )
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306 .removeClass( "ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary" );
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307 if ( !this.hasTitle ) {
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308 buttonElement.attr( "title", buttonText );
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309 }
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310 }
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311 } else {
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312 buttonElement.addClass( "ui-button-text-only" );
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313 }
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314 }
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315 });
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316
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317 $.widget( "ui.buttonset", {
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318 options: {
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319 items: ":button, :submit, :reset, :checkbox, :radio, a, :data(button)"
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320 },
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321
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322 _create: function() {
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323 this.element.addClass( "ui-buttonset" );
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324 },
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325
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326 _init: function() {
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327 this.refresh();
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328 },
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329
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330 _setOption: function( key, value ) {
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331 if ( key === "disabled" ) {
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332 this.buttons.button( "option", key, value );
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333 }
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334
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335 $.Widget.prototype._setOption.apply( this, arguments );
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336 },
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337
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338 refresh: function() {
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339 this.buttons = this.element.find( this.options.items )
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340 .filter( ":ui-button" )
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341 .button( "refresh" )
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342 .end()
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343 .not( ":ui-button" )
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344 .button()
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345 .end()
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346 .map(function() {
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347 return $( this ).button( "widget" )[ 0 ];
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348 })
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349 .removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
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350 .filter( ":first" )
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351 .addClass( "ui-corner-left" )
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352 .end()
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353 .filter( ":last" )
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354 .addClass( "ui-corner-right" )
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355 .end()
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356 .end();
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357 },
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358
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359 destroy: function() {
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360 this.element.removeClass( "ui-buttonset" );
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361 this.buttons
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362 .map(function() {
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363 return $( this ).button( "widget" )[ 0 ];
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364 })
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365 .removeClass( "ui-corner-left ui-corner-right" )
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366 .end()
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367 .button( "destroy" );
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368
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369 $.Widget.prototype.destroy.call( this );
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370 }
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371 });
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372
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373 }( jQuery ) );
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