97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
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/*!
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* jQuery UI Google Map 3.0-beta
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* http://code.google.com/p/jquery-ui-map/
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* Copyright (c) 2010 - 2011 Johan Säll Larsson
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* Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
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*
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* Depends:
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* jquery.ui.map.js
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*/
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( function($) {
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$.extend($.ui.gmap.prototype, {
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/**
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* Extracts microdata from the HTML by specified namespace
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* @param ns:string
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* @param callback:function(microdata:object, element:jQuery object, iterator:int)
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*/
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microdata: function(ns, callback) {
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var self = this;
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$('[itemtype="{0}"]'.replace('{0}', ns)).each(function(i) {
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callback(self._traverse($(this), {'@type': self._resolveType($(this).attr('itemtype'))}), this, i);
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});
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},
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/**
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* Traverse through all child nodes
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* @param $el:jQuery Object
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* @param obj:Object
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*/
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_traverse: function(node, obj) {
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var self = this;
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node.children().each(function() {
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var $this = $(this), itemType = $this.attr('itemtype'), itemProp = $this.attr('itemProp');
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// skip check for itemscope since we are only interested in typed items
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if ( itemType != undefined && $this.children().length > 0 ) {
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if ( !obj[itemProp] ) {
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obj[itemProp] = [];
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}
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obj[itemProp].push({'@type': self._resolveType(itemType)});
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self._traverse($this, obj[itemProp][obj[itemProp].length-1]);
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} else if ( itemProp ) {
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if ( obj[itemProp] ) {
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// In case any property is duplicated
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if ( typeof obj[itemProp] === 'string' ) {
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var temp = obj[itemProp];
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obj[itemProp] = [];
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obj[itemProp].push(temp);
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}
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obj[itemProp].push(self._extract($this));
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} else {
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obj[itemProp] = self._extract($this);
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}
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} else {
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self._traverse($this, obj);
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}
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});
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return obj;
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},
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/**
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* Extract the proper value based on element attribute
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* @param $el:jQuery Object
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* @param className:string
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*/
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_extract: function($el) {
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if ( $el.attr('src') ) {
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return $el.attr('src');
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} else if ( $el.attr('href') ) {
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return $el.attr('href');
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} else if ( $el.attr('content') ) {
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return $el.attr('content');
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} else if ( $el.attr('datetime') ) {
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return $el.attr('datetime');
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} else if ( $el.text() ) {
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return $el.text();
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}
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return;
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},
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/**
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* Removes any url or prefix
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* @param $el:jQuery Object
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* @param className:string
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*/
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_resolveType: function(type) {
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if ( type.indexOf('http') > -1 ) {
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type = type.substr(type.lastIndexOf('/')+1).replace('?','').replace('#','');
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} else if ( type.indexOf(':') > -1 ) {
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type = type.split(':')[1];
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}
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return type;
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}
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});
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} (jQuery) );
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