Онлайн бронирование квартиры

/*
 * Metadata - jQuery plugin for parsing metadata from elements
 *
 * Copyright (c) 2006 John Resig, Yehuda Katz, Jörn Zaefferer, Paul McLanahan
 *
    * Licensed under [url]http://en.wikipedia.org/wiki/MIT_License[/url]
 *
 * Revision: $Id$
 *
 */
 
/**
 * Sets the type of metadata to use. Metadata is encoded in JSON, and each property
 * in the JSON will become a property of the element itself.
 *
 * There are three supported types of metadata storage:
 *
 *   attr:  Inside an attribute. The name parameter indicates *which* attribute.
 *          
 *   class: Inside the class attribute, wrapped in curly braces: { }
 *   
 *   elem:  Inside a child element (e.g. a script tag). The
 *          name parameter indicates *which* element.
 *          
 * The metadata for an element is loaded the first time the element is accessed via jQuery.
 *
 * As a result, you can define the metadata type, use $(expr) to load the metadata into the elements
 * matched by expr, then redefine the metadata type and run another $(expr) for other elements.
 * 
 * @name $.metadata.setType
 *
 * @example <p id="one" class="some_class {item_id: 1, item_label: 'Label'}">This is a p</p>
 * @before $.metadata.setType("class")
 * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
 * @desc Reads metadata from the class attribute
 * 
 * @example <p id="one" class="some_class" data="{item_id: 1, item_label: 'Label'}">This is a p</p>
 * @before $.metadata.setType("attr", "data")
 * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
 * @desc Reads metadata from a "data" attribute
 * 
 * @example <p id="one" class="some_class"><script>{item_id: 1, item_label: 'Label'}</script>This is a p</p>
 * @before $.metadata.setType("elem", "script")
 * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
 * @desc Reads metadata from a nested script element
 * 
 * @param String type The encoding type
 * @param String name The name of the attribute to be used to get metadata (optional)
 * @cat Plugins/Metadata
 * @descr Sets the type of encoding to be used when loading metadata for the first time
 * @type undefined
 * @see metadata()
 */
 
(function($) {
$.extend({
    metadata : {
        defaults : {
            type: 'class',
            name: 'metadata',
            cre: /({.*})/,
            single: 'metadata'
        },
        setType: function( type, name ){
            this.defaults.type = type;
            this.defaults.name = name;
        },
        get: function( elem, opts ){
            var settings = $.extend({},this.defaults,opts);
            // check for empty string in single property
            if ( !settings.single.length ) settings.single = 'metadata';
            
            var data = $.data(elem, settings.single);
            // returned cached data if it already exists
            if ( data ) return data;
            
            data = "{}";
            
            if ( settings.type == "class" ) {
                var m = settings.cre.exec( elem.className );
                if ( m )
                    data = m[1];
            } else if ( settings.type == "elem" ) {
                if( !elem.getElementsByTagName ) return;
                var e = elem.getElementsByTagName(settings.name);
                if ( e.length )
                    data = $.trim(e[0].innerHTML);
            } else if ( elem.getAttribute != undefined ) {
                var attr = elem.getAttribute( settings.name );
                if ( attr )
                    data = attr;
            }
            
            if ( data.indexOf( '{' ) <0 )
            data = "{" + data + "}";
            
            data = eval("(" + data + ")");
            
            $.data( elem, settings.single, data );
            return data;
        }
    }
    
}
);
 
/**
 * Returns the metadata object for the first member of the jQuery object.
 *
 * @name metadata
 * @descr Returns element's metadata object
 * @param Object opts An object contianing settings to override the defaults
 * @type jQuery
 * @cat Plugins/Metadata
 */
$.fn.metadata = function( opts ){
    return $.metadata.get( this[0], opts );
};
 
})(jQuery);

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