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1 /*!
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2 * jQuery UI Spinner 1.10.4
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3 * http://jqueryui.com
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4 *
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5 * Copyright 2014 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: "1.10.4",
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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 // Only format if there is a value, prevents the field from being marked
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59 // as invalid in Firefox, see #9573.
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60 if ( this.value() !== "" ) {
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61 // Format the value, but don't constrain.
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62 this._value( this.element.val(), true );
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63 }
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64
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65 this._draw();
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66 this._on( this._events );
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67 this._refresh();
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68
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69 // turning off autocomplete prevents the browser from remembering the
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70 // value when navigating through history, so we re-enable autocomplete
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71 // if the page is unloaded before the widget is destroyed. #7790
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72 this._on( this.window, {
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73 beforeunload: function() {
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74 this.element.removeAttr( "autocomplete" );
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75 }
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76 });
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77 },
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78
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79 _getCreateOptions: function() {
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80 var options = {},
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81 element = this.element;
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82
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83 $.each( [ "min", "max", "step" ], function( i, option ) {
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84 var value = element.attr( option );
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85 if ( value !== undefined && value.length ) {
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86 options[ option ] = value;
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87 }
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88 });
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89
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90 return options;
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91 },
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92
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93 _events: {
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94 keydown: function( event ) {
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95 if ( this._start( event ) && this._keydown( event ) ) {
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96 event.preventDefault();
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97 }
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98 },
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99 keyup: "_stop",
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100 focus: function() {
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101 this.previous = this.element.val();
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102 },
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103 blur: function( event ) {
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104 if ( this.cancelBlur ) {
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105 delete this.cancelBlur;
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106 return;
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107 }
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108
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109 this._stop();
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110 this._refresh();
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111 if ( this.previous !== this.element.val() ) {
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112 this._trigger( "change", event );
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113 }
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114 },
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115 mousewheel: function( event, delta ) {
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116 if ( !delta ) {
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117 return;
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118 }
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119 if ( !this.spinning && !this._start( event ) ) {
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120 return false;
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121 }
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122
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123 this._spin( (delta > 0 ? 1 : -1) * this.options.step, event );
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124 clearTimeout( this.mousewheelTimer );
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125 this.mousewheelTimer = this._delay(function() {
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126 if ( this.spinning ) {
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127 this._stop( event );
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128 }
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129 }, 100 );
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130 event.preventDefault();
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131 },
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132 "mousedown .ui-spinner-button": function( event ) {
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133 var previous;
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134
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135 // We never want the buttons to have focus; whenever the user is
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136 // interacting with the spinner, the focus should be on the input.
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137 // If the input is focused then this.previous is properly set from
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138 // when the input first received focus. If the input is not focused
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139 // then we need to set this.previous based on the value before spinning.
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140 previous = this.element[0] === this.document[0].activeElement ?
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141 this.previous : this.element.val();
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142 function checkFocus() {
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143 var isActive = this.element[0] === this.document[0].activeElement;
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144 if ( !isActive ) {
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145 this.element.focus();
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146 this.previous = previous;
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147 // support: IE
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148 // IE sets focus asynchronously, so we need to check if focus
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149 // moved off of the input because the user clicked on the button.
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150 this._delay(function() {
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151 this.previous = previous;
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152 });
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153 }
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154 }
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155
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156 // ensure focus is on (or stays on) the text field
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157 event.preventDefault();
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158 checkFocus.call( this );
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159
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160 // support: IE
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161 // IE doesn't prevent moving focus even with event.preventDefault()
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162 // so we set a flag to know when we should ignore the blur event
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163 // and check (again) if focus moved off of the input.
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164 this.cancelBlur = true;
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165 this._delay(function() {
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166 delete this.cancelBlur;
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167 checkFocus.call( this );
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168 });
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169
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170 if ( this._start( event ) === false ) {
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171 return;
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172 }
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173
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174 this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
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175 },
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176 "mouseup .ui-spinner-button": "_stop",
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177 "mouseenter .ui-spinner-button": function( event ) {
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178 // button will add ui-state-active if mouse was down while mouseleave and kept down
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179 if ( !$( event.currentTarget ).hasClass( "ui-state-active" ) ) {
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180 return;
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181 }
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182
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183 if ( this._start( event ) === false ) {
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184 return false;
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185 }
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186 this._repeat( null, $( event.currentTarget ).hasClass( "ui-spinner-up" ) ? 1 : -1, event );
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187 },
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188 // TODO: do we really want to consider this a stop?
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189 // shouldn't we just stop the repeater and wait until mouseup before
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190 // we trigger the stop event?
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191 "mouseleave .ui-spinner-button": "_stop"
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192 },
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193
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194 _draw: function() {
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195 var uiSpinner = this.uiSpinner = this.element
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196 .addClass( "ui-spinner-input" )
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197 .attr( "autocomplete", "off" )
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198 .wrap( this._uiSpinnerHtml() )
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199 .parent()
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200 // add buttons
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201 .append( this._buttonHtml() );
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202
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203 this.element.attr( "role", "spinbutton" );
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204
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205 // button bindings
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206 this.buttons = uiSpinner.find( ".ui-spinner-button" )
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207 .attr( "tabIndex", -1 )
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208 .button()
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209 .removeClass( "ui-corner-all" );
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210
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211 // IE 6 doesn't understand height: 50% for the buttons
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212 // unless the wrapper has an explicit height
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213 if ( this.buttons.height() > Math.ceil( uiSpinner.height() * 0.5 ) &&
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214 uiSpinner.height() > 0 ) {
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215 uiSpinner.height( uiSpinner.height() );
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216 }
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217
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218 // disable spinner if element was already disabled
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219 if ( this.options.disabled ) {
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220 this.disable();
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221 }
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222 },
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223
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224 _keydown: function( event ) {
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225 var options = this.options,
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226 keyCode = $.ui.keyCode;
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227
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228 switch ( event.keyCode ) {
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229 case keyCode.UP:
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230 this._repeat( null, 1, event );
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231 return true;
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232 case keyCode.DOWN:
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233 this._repeat( null, -1, event );
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234 return true;
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235 case keyCode.PAGE_UP:
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236 this._repeat( null, options.page, event );
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237 return true;
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238 case keyCode.PAGE_DOWN:
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239 this._repeat( null, -options.page, event );
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240 return true;
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241 }
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242
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243 return false;
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244 },
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245
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246 _uiSpinnerHtml: function() {
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247 return "<span class='ui-spinner ui-widget ui-widget-content ui-corner-all'></span>";
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248 },
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249
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250 _buttonHtml: function() {
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251 return "" +
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252 "<a class='ui-spinner-button ui-spinner-up ui-corner-tr'>" +
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253 "<span class='ui-icon " + this.options.icons.up + "'>▲</span>" +
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254 "</a>" +
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255 "<a class='ui-spinner-button ui-spinner-down ui-corner-br'>" +
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256 "<span class='ui-icon " + this.options.icons.down + "'>▼</span>" +
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257 "</a>";
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258 },
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259
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260 _start: function( event ) {
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261 if ( !this.spinning && this._trigger( "start", event ) === false ) {
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262 return false;
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263 }
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264
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265 if ( !this.counter ) {
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266 this.counter = 1;
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267 }
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268 this.spinning = true;
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269 return true;
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270 },
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271
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272 _repeat: function( i, steps, event ) {
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273 i = i || 500;
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274
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275 clearTimeout( this.timer );
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276 this.timer = this._delay(function() {
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277 this._repeat( 40, steps, event );
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278 }, i );
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279
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280 this._spin( steps * this.options.step, event );
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281 },
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282
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283 _spin: function( step, event ) {
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284 var value = this.value() || 0;
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285
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286 if ( !this.counter ) {
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287 this.counter = 1;
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288 }
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289
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290 value = this._adjustValue( value + step * this._increment( this.counter ) );
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291
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292 if ( !this.spinning || this._trigger( "spin", event, { value: value } ) !== false) {
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293 this._value( value );
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294 this.counter++;
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295 }
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296 },
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297
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298 _increment: function( i ) {
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299 var incremental = this.options.incremental;
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300
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301 if ( incremental ) {
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302 return $.isFunction( incremental ) ?
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303 incremental( i ) :
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304 Math.floor( i*i*i/50000 - i*i/500 + 17*i/200 + 1 );
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305 }
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306
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307 return 1;
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308 },
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309
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310 _precision: function() {
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311 var precision = this._precisionOf( this.options.step );
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312 if ( this.options.min !== null ) {
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313 precision = Math.max( precision, this._precisionOf( this.options.min ) );
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314 }
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315 return precision;
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316 },
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317
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318 _precisionOf: function( num ) {
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319 var str = num.toString(),
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320 decimal = str.indexOf( "." );
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321 return decimal === -1 ? 0 : str.length - decimal - 1;
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322 },
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323
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324 _adjustValue: function( value ) {
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325 var base, aboveMin,
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326 options = this.options;
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327
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328 // make sure we're at a valid step
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329 // - find out where we are relative to the base (min or 0)
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330 base = options.min !== null ? options.min : 0;
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331 aboveMin = value - base;
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332 // - round to the nearest step
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333 aboveMin = Math.round(aboveMin / options.step) * options.step;
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334 // - rounding is based on 0, so adjust back to our base
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335 value = base + aboveMin;
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336
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337 // fix precision from bad JS floating point math
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338 value = parseFloat( value.toFixed( this._precision() ) );
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339
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340 // clamp the value
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341 if ( options.max !== null && value > options.max) {
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342 return options.max;
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343 }
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344 if ( options.min !== null && value < options.min ) {
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345 return options.min;
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346 }
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347
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348 return value;
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349 },
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350
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351 _stop: function( event ) {
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352 if ( !this.spinning ) {
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353 return;
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354 }
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355
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356 clearTimeout( this.timer );
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357 clearTimeout( this.mousewheelTimer );
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358 this.counter = 0;
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359 this.spinning = false;
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360 this._trigger( "stop", event );
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361 },
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362
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363 _setOption: function( key, value ) {
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364 if ( key === "culture" || key === "numberFormat" ) {
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365 var prevValue = this._parse( this.element.val() );
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366 this.options[ key ] = value;
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367 this.element.val( this._format( prevValue ) );
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368 return;
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369 }
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370
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371 if ( key === "max" || key === "min" || key === "step" ) {
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372 if ( typeof value === "string" ) {
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373 value = this._parse( value );
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374 }
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375 }
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376 if ( key === "icons" ) {
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377 this.buttons.first().find( ".ui-icon" )
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378 .removeClass( this.options.icons.up )
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379 .addClass( value.up );
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380 this.buttons.last().find( ".ui-icon" )
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381 .removeClass( this.options.icons.down )
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382 .addClass( value.down );
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383 }
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384
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385 this._super( key, value );
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386
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387 if ( key === "disabled" ) {
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388 if ( value ) {
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389 this.element.prop( "disabled", true );
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390 this.buttons.button( "disable" );
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391 } else {
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392 this.element.prop( "disabled", false );
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393 this.buttons.button( "enable" );
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394 }
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395 }
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396 },
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397
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398 _setOptions: modifier(function( options ) {
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399 this._super( options );
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400 this._value( this.element.val() );
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401 }),
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402
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403 _parse: function( val ) {
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404 if ( typeof val === "string" && val !== "" ) {
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405 val = window.Globalize && this.options.numberFormat ?
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406 Globalize.parseFloat( val, 10, this.options.culture ) : +val;
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407 }
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408 return val === "" || isNaN( val ) ? null : val;
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409 },
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410
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411 _format: function( value ) {
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412 if ( value === "" ) {
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413 return "";
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414 }
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415 return window.Globalize && this.options.numberFormat ?
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416 Globalize.format( value, this.options.numberFormat, this.options.culture ) :
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417 value;
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418 },
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419
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420 _refresh: function() {
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421 this.element.attr({
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422 "aria-valuemin": this.options.min,
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423 "aria-valuemax": this.options.max,
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424 // TODO: what should we do with values that can't be parsed?
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425 "aria-valuenow": this._parse( this.element.val() )
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426 });
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427 },
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428
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429 // update the value without triggering change
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430 _value: function( value, allowAny ) {
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431 var parsed;
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432 if ( value !== "" ) {
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433 parsed = this._parse( value );
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434 if ( parsed !== null ) {
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435 if ( !allowAny ) {
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436 parsed = this._adjustValue( parsed );
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437 }
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438 value = this._format( parsed );
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439 }
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440 }
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441 this.element.val( value );
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442 this._refresh();
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443 },
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444
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445 _destroy: function() {
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446 this.element
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447 .removeClass( "ui-spinner-input" )
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448 .prop( "disabled", false )
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449 .removeAttr( "autocomplete" )
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450 .removeAttr( "role" )
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451 .removeAttr( "aria-valuemin" )
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452 .removeAttr( "aria-valuemax" )
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453 .removeAttr( "aria-valuenow" );
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454 this.uiSpinner.replaceWith( this.element );
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455 },
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456
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457 stepUp: modifier(function( steps ) {
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458 this._stepUp( steps );
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459 }),
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460 _stepUp: function( steps ) {
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461 if ( this._start() ) {
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462 this._spin( (steps || 1) * this.options.step );
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463 this._stop();
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464 }
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465 },
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466
|
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467 stepDown: modifier(function( steps ) {
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468 this._stepDown( steps );
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|
469 }),
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470 _stepDown: function( steps ) {
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471 if ( this._start() ) {
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472 this._spin( (steps || 1) * -this.options.step );
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473 this._stop();
|
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474 }
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475 },
|
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476
|
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477 pageUp: modifier(function( pages ) {
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478 this._stepUp( (pages || 1) * this.options.page );
|
|
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479 }),
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480
|
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481 pageDown: modifier(function( pages ) {
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482 this._stepDown( (pages || 1) * this.options.page );
|
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483 }),
|
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484
|
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485 value: function( newVal ) {
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|
|
486 if ( !arguments.length ) {
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487 return this._parse( this.element.val() );
|
|
|
488 }
|
|
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489 modifier( this._value ).call( this, newVal );
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490 },
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491
|
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492 widget: function() {
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493 return this.uiSpinner;
|
|
|
494 }
|
|
|
495 });
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496
|
|
|
497 }( jQuery ) );
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