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annotate war/scripts/jQuery/external/jquery.metadata.js @ 85:108c853e0900 trimmed_data

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CSV to KML conversion moved to seperate function
author Sebastian Kruse <skruse@mpiwg-berlin.mpg.de>
date Thu, 07 Mar 2013 14:35:30 +0100
parents cf06b77a8bbd
children
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1 /*
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2 * Metadata - jQuery plugin for parsing metadata from elements
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3 *
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4 * Copyright (c) 2006 John Resig, Yehuda Katz, J�örn Zaefferer, Paul McLanahan
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5 *
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6 * Dual licensed under the MIT and GPL licenses:
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7 * http://www.opensource.org/licenses/mit-license.php
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8 * http://www.gnu.org/licenses/gpl.html
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9 *
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10 * Revision: $Id: jquery.metadata.js 4187 2007-12-16 17:15:27Z joern.zaefferer $
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11 *
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12 */
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13
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14 /**
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15 * Sets the type of metadata to use. Metadata is encoded in JSON, and each property
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16 * in the JSON will become a property of the element itself.
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17 *
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18 * There are three supported types of metadata storage:
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19 *
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20 * attr: Inside an attribute. The name parameter indicates *which* attribute.
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21 *
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22 * class: Inside the class attribute, wrapped in curly braces: { }
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23 *
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24 * elem: Inside a child element (e.g. a script tag). The
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25 * name parameter indicates *which* element.
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26 *
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27 * The metadata for an element is loaded the first time the element is accessed via jQuery.
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28 *
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29 * As a result, you can define the metadata type, use $(expr) to load the metadata into the elements
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30 * matched by expr, then redefine the metadata type and run another $(expr) for other elements.
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31 *
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32 * @name $.metadata.setType
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33 *
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34 * @example <p id="one" class="some_class {item_id: 1, item_label: 'Label'}">This is a p</p>
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35 * @before $.metadata.setType("class")
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36 * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
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37 * @desc Reads metadata from the class attribute
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38 *
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39 * @example <p id="one" class="some_class" data="{item_id: 1, item_label: 'Label'}">This is a p</p>
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40 * @before $.metadata.setType("attr", "data")
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41 * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
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42 * @desc Reads metadata from a "data" attribute
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43 *
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44 * @example <p id="one" class="some_class"><script>{item_id: 1, item_label: 'Label'}</script>This is a p</p>
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45 * @before $.metadata.setType("elem", "script")
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46 * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
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47 * @desc Reads metadata from a nested script element
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48 *
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49 * @param String type The encoding type
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50 * @param String name The name of the attribute to be used to get metadata (optional)
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51 * @cat Plugins/Metadata
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52 * @descr Sets the type of encoding to be used when loading metadata for the first time
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53 * @type undefined
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54 * @see metadata()
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55 */
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56
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57 (function($) {
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58
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59 $.extend({
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60 metadata : {
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61 defaults : {
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62 type: 'class',
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63 name: 'metadata',
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64 cre: /({.*})/,
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65 single: 'metadata'
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66 },
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67 setType: function( type, name ){
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68 this.defaults.type = type;
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69 this.defaults.name = name;
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70 },
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71 get: function( elem, opts ){
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72 var settings = $.extend({},this.defaults,opts);
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73 // check for empty string in single property
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74 if ( !settings.single.length ) settings.single = 'metadata';
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75
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76 var data = $.data(elem, settings.single);
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77 // returned cached data if it already exists
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78 if ( data ) return data;
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79
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80 data = "{}";
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81
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82 if ( settings.type == "class" ) {
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83 var m = settings.cre.exec( elem.className );
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84 if ( m )
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85 data = m[1];
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86 } else if ( settings.type == "elem" ) {
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87 if( !elem.getElementsByTagName )
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88 return undefined;
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89 var e = elem.getElementsByTagName(settings.name);
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90 if ( e.length )
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91 data = $.trim(e[0].innerHTML);
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92 } else if ( elem.getAttribute != undefined ) {
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93 var attr = elem.getAttribute( settings.name );
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94 if ( attr )
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95 data = attr;
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96 }
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97
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98 if ( data.indexOf( '{' ) <0 )
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99 data = "{" + data + "}";
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100
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101 data = eval("(" + data + ")");
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102
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103 $.data( elem, settings.single, data );
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104 return data;
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105 }
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106 }
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107 });
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108
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109 /**
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110 * Returns the metadata object for the first member of the jQuery object.
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111 *
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112 * @name metadata
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113 * @descr Returns element's metadata object
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114 * @param Object opts An object contianing settings to override the defaults
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115 * @type jQuery
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116 * @cat Plugins/Metadata
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117 */
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118 $.fn.metadata = function( opts ){
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119 return $.metadata.get( this[0], opts );
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120 };
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121
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122 })(jQuery);