resources/jquery.ui/jquery.ui.progressbar.js

   1 /*
   2  * jQuery UI Progressbar 1.8.2
   3  *
   4  * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
   5  * Dual licensed under the MIT (MIT-LICENSE.txt)
   6  * and GPL (GPL-LICENSE.txt) licenses.
   7  *
   8  * http://docs.jquery.com/UI/Progressbar
   9  *
  10  * Depends:
  11  *   jquery.ui.core.js
  12  *   jquery.ui.widget.js
  13  */
  14 (function( $ ) {
  15
  16 $.widget( "ui.progressbar", {
  17         options: {
  18                 value: 0
  19         },
  20         _create: function() {
  21                 this.element
  22                         .addClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
  23                         .attr({
  24                                 role: "progressbar",
  25                                 "aria-valuemin": this._valueMin(),
  26                                 "aria-valuemax": this._valueMax(),
  27                                 "aria-valuenow": this._value()
  28                         });
  29
  30                 this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
  31                         .appendTo( this.element );
  32
  33                 this._refreshValue();
  34         },
  35
  36         destroy: function() {
  37                 this.element
  38                         .removeClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
  39                         .removeAttr( "role" )
  40                         .removeAttr( "aria-valuemin" )
  41                         .removeAttr( "aria-valuemax" )
  42                         .removeAttr( "aria-valuenow" );
  43
  44                 this.valueDiv.remove();
  45
  46                 $.Widget.prototype.destroy.apply( this, arguments );
  47         },
  48
  49         value: function( newValue ) {
  50                 if ( newValue === undefined ) {
  51                         return this._value();
  52                 }
  53
  54                 this._setOption( "value", newValue );
  55                 return this;
  56         },
  57
  58         _setOption: function( key, value ) {
  59                 switch ( key ) {
  60                         case "value":
  61                                 this.options.value = value;
  62                                 this._refreshValue();
  63                                 this._trigger( "change" );
  64                                 break;
  65                 }
  66
  67                 $.Widget.prototype._setOption.apply( this, arguments );
  68         },
  69
  70         _value: function() {
  71                 var val = this.options.value;
  72                 // normalize invalid value
  73                 if ( typeof val !== "number" ) {
  74                         val = 0;
  75                 }
  76                 if ( val < this._valueMin() ) {
  77                         val = this._valueMin();
  78                 }
  79                 if ( val > this._valueMax() ) {
  80                         val = this._valueMax();
  81                 }
  82
  83                 return val;
  84         },
  85
  86         _valueMin: function() {
  87                 return 0;
  88         },
  89
  90         _valueMax: function() {
  91                 return 100;
  92         },
  93
  94         _refreshValue: function() {
  95                 var value = this.value();
  96                 this.valueDiv
  97                         [ value === this._valueMax() ? "addClass" : "removeClass"]( "ui-corner-right" )
  98                         .width( value + "%" );
  99                 this.element.attr( "aria-valuenow", value );
 100         }
 101 });
 102
 103 $.extend( $.ui.progressbar, {
 104         version: "1.8.2"
 105 });
 106
 107 })( jQuery );