/**

 * Plugin: jquery.zRSSFeed

 * 

 * Version: 1.0.1

 * (c) Copyright 2010, Zazar Ltd

 * 

 * Description: jQuery plugin for display of RSS feeds via Google Feed API

 *              (Based on original plugin jGFeed by jQuery HowTo)

 * 

 * History:

 * 1.0.1 - Corrected issue with multiple instances

 *

 * Some local adaptations. -Robin

 *

 **/



(function($){



	var current = null; 

	

	$.fn.rssfeed = function(url, options) {	

	

		// Set pluign defaults

		var defaults = {

			limit: 10,

			header: true,

			titletag: 'h4',

			date: true,

			content: true,

			snippet: true,

			showerror: true,

			errormsg: '',

			key: null

		};  

		var options = $.extend(defaults, options); 

		

		// Functions

		return this.each(function(i, e) {

			var $e = $(e);

			

			// Add feed class to user div

			if (!$e.hasClass('rssFeed')) $e.addClass('rssFeed');

			

			// Check for valid url

			if(url == null) return false;



			// Create Google Feed API address

			var api = "http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&callback=?&q=" + url;

			if (options.limit != null) api += "&num=" + options.limit;

			if (options.key != null) api += "&key=" + options.key;



			// Send request

			$.getJSON(api, function(data){

				

				// Check for error

				if (data.responseStatus == 200) {

	

					// Process the feeds

					_callback(e, data.responseData.feed, options);

				} else {



					// Handle error if required

					if (options.showerror)

						if (options.errormsg != '') {

							var msg = options.errormsg;

						} else {

							var msg = data.responseDetails;

						};

						$(e).html('<div class="rssError"><p>'+ msg +'</p></div>');

				};

			});				

		});

	};

	

	// Callback function to create HTML result

	var _callback = function(e, feeds, options) {

		if (!feeds) {

			return false;

		}

		var html = '';	

		var row = 'odd';	

		

		// Add header if required

		if (options.header)

			html +=	'<div class="rssHeader">' +

				'<a href="'+feeds.link+'" title="'+ feeds.description +'">'+ feeds.title +'</a>' +

				'</div>';

			

		// Add body

		html += '<div class="rssBody">' +

			'<ul>';

		

		// Add feeds

		for (var i=0; i<feeds.entries.length; i++) {

			

			// Get individual feed

			var entry = feeds.entries[i];

			

			// Format published date

			var entryDate = new Date(entry.publishedDate);



            // No time. -Robin 

			var pubDate = entryDate.toLocaleDateString(); // + ' ' + entryDate.toLocaleTimeString();

			

			// Add feed row

			html += '<li class="rssRow '+row+'">' + 

				'<'+ options.titletag +'><a href="'+ entry.link +'" title="View this feed at '+ feeds.title +'">'+ entry.title +'</a></'+ options.titletag +'>'

			if (options.date) html += '<div><small>'+ pubDate +'</small></div>'

			if (options.content) {

			

				// Use feed snippet if available and optioned

				if (options.snippet && entry.contentSnippet != '') {

					var content = entry.contentSnippet;

				} else {

					var content = entry.content;

				}

				

				html += '<p>'+ content +'</p>'

			}

			

			html += '</li>';

			

			// Alternate row classes

			if (row == 'odd') {

				row = 'even';

			} else {

				row = 'odd';

			}			

		}

		

		html += '</ul>' +

			'</div>'

		

		$(e).html(html);

	};

})(jQuery);