Current File : //home1/dimen328/libertysa.com.br/admin/media/zrssfeed/jquery.zrssfeed.js
/**
* Plugin: jquery.zRSSFeed
*
* Version: 1.2.0
* (c) Copyright 2010-2013, Zazar Ltd
*
* Description: jQuery plugin for display of RSS feeds via Google Feed API
* (Based on original plugin jGFeed by jQuery HowTo. Filesize function by Cary Dunn.)
*
* History:
* 1.2.0 - Added month names to date formats
* 1.1.9 - New dateformat option to allow feed date formatting
* 1.1.8 - Added historical option to enable scoring in the Google Feed API
* 1.1.7 - Added feed offset, link redirect & link content options
* 1.1.6 - Added sort options
* 1.1.5 - Target option now applies to all feed links
* 1.1.4 - Added option to hide media and now compressed with Google Closure
* 1.1.3 - Check for valid published date
* 1.1.2 - Added user callback function due to issue with ajaxStop after jQuery 1.4.2
* 1.1.1 - Correction to null xml entries and support for media with jQuery < 1.5
* 1.1.0 - Added support for media in enclosure tags
* 1.0.3 - Added feed link target
* 1.0.2 - Fixed issue with GET parameters (Seb Dangerfield) and SSL option
* 1.0.1 - Corrected issue with multiple instances
*
**/
(function($){
$.fn.rssfeed = function(url, options, fn) {
// Set plugin defaults
var defaults = {
limit: 10,
offset: 1,
header: true,
titletag: 'h4',
date: true,
dateformat: 'date',
content: true,
snippet: true,
media: true,
showerror: true,
errormsg: '',
key: null,
ssl: false,
linktarget: '_blank',
linkredirect: '',
linkcontent: false,
sort: '',
sortasc: true,
historical: false
};
var options = $.extend(defaults, options);
// Functions
return this.each(function(i, e) {
var $e = $(e);
var s = '';
// Check for SSL protocol
if (options.ssl) s = 's';
// Add feed class to user div
if (!$e.hasClass('rssFeed')) $e.addClass('rssFeed');
// Check for valid url
if(url == null) return false;
// Add start offset to feed length
if (options.offset > 0) options.offset -= 1;
options.limit += options.offset;
// Create Google Feed API address
var api = "http"+ s +"://ajax.googleapis.com/ajax/services/feed/load?v=1.0&callback=?&q=" + encodeURIComponent(url);
api += "&num=" + options.limit;
if (options.historical) api += "&scoring=h";
if (options.key != null) api += "&key=" + options.key;
api += "&output=json_xml"
// Send request
$.getJSON(api, function(data){
// Check for error
if (data.responseStatus == 200) {
// Process the feeds
_process(e, data.responseData, options);
// Optional user callback function
if ($.isFunction(fn)) fn.call(this,$e);
} 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>');
};
});
});
};
// Function to create HTML result
var _process = function(e, data, options) {
// Get JSON feed data
var feeds = data.feed;
if (!feeds) {
return false;
}
var rowArray = [];
var rowIndex = 0;
var html = '';
var row = 'odd';
// Get XML data for media (parseXML not used as requires 1.5+)
if (options.media) {
var xml = _getXMLDocument(data.xmlString);
var xmlEntries = xml.getElementsByTagName('item');
}
// 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=options.offset; i<feeds.entries.length; i++) {
rowIndex = i - options.offset;
rowArray[rowIndex] = [];
// Get individual feed
var entry = feeds.entries[i];
var pubDate;
var sort = '';
var feedLink = entry.link;
// Apply sort column
switch (options.sort) {
case 'title':
sort = entry.title;
break;
case 'date':
sort = entry.publishedDate;
break;
}
rowArray[rowIndex]['sort'] = sort;
// Format published date
if (entry.publishedDate) {
var entryDate = new Date(entry.publishedDate);
var pubDate = entryDate.toLocaleDateString() + ' ' + entryDate.toLocaleTimeString();
switch (options.dateformat) {
case 'datetime':
break;
case 'date':
pubDate = entryDate.toLocaleDateString();
break;
case 'time':
pubDate = entryDate.toLocaleTimeString();
break;
case 'timeline':
pubDate = _getLapsedTime(entryDate);
break;
default:
pubDate = _formatDate(entryDate,options.dateformat);
break;
}
}
// Add feed row
if (options.linkredirect) feedLink = encodeURIComponent(feedLink);
rowArray[rowIndex]['html'] = '<'+ options.titletag +'><a href="'+ options.linkredirect + feedLink +'" title="View this feed at '+ feeds.title +'">'+ entry.title +'</a></'+ options.titletag +'>'
if (options.date && pubDate) rowArray[rowIndex]['html'] += '<div class="datas">'+ pubDate +'</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;
}
if (options.linkcontent) {
content = '<a href="'+ options.linkredirect + feedLink +'" title="View this feed at '+ feeds.title +'">'+ content +'</a>'
}
rowArray[rowIndex]['html'] += '<p>'+ content +'</p>'
}
// Add any media
if (options.media && xmlEntries.length > 0) {
var xmlMedia = xmlEntries[i].getElementsByTagName('enclosure');
if (xmlMedia.length > 0) {
rowArray[rowIndex]['html'] += '<div class="rssMedia"><div>Media files</div><ul>'
for (var m=0; m<xmlMedia.length; m++) {
var xmlUrl = xmlMedia[m].getAttribute("url");
var xmlType = xmlMedia[m].getAttribute("type");
var xmlSize = xmlMedia[m].getAttribute("length");
rowArray[rowIndex]['html'] += '<li><a href="'+ xmlUrl +'" title="Download this media">'+ xmlUrl.split('/').pop() +'</a> ('+ xmlType +', '+ _formatFilesize(xmlSize) +')</li>';
}
rowArray[rowIndex]['html'] += '</ul></div>'
}
}
}
// Sort if required
if (options.sort) {
rowArray.sort(function(a,b) {
// Apply sort direction
if (options.sortasc) {
var c = a['sort'];
var d = b['sort'];
} else {
var c = b['sort'];
var d = a['sort'];
}
if (options.sort == 'date') {
return new Date(c) - new Date(d);
} else {
c = c.toLowerCase();
d = d.toLowerCase();
return (c < d) ? -1 : (c > d) ? 1 : 0;
}
});
}
// Add rows to output
$.each(rowArray, function(e) {
html += '<li class="rssRow '+row+'">' + rowArray[e]['html'] + '</li>';
// Alternate row classes
if (row == 'odd') {
row = 'even';
} else {
row = 'odd';
}
});
html += '</ul>' +
'</div>'
$(e).html(html);
// Apply target to links
$('a',e).attr('target',options.linktarget);
};
var _formatFilesize = function(bytes) {
var s = ['bytes', 'kb', 'MB', 'GB', 'TB', 'PB'];
var e = Math.floor(Math.log(bytes)/Math.log(1024));
return (bytes/Math.pow(1024, Math.floor(e))).toFixed(2)+" "+s[e];
}
var _formatDate = function(date,mask) {
// Convert to date and set return to the mask
var fmtDate = new Date(date);
date = mask;
// Replace mask tokens
date = date.replace('dd', _formatDigit(fmtDate.getDate()));
date = date.replace('MMMM', _getMonthName(fmtDate.getMonth()));
date = date.replace('MM', _formatDigit(fmtDate.getMonth()+1));
date = date.replace('yyyy',fmtDate.getFullYear());
date = date.replace('hh', _formatDigit(fmtDate.getHours()));
date = date.replace('mm', _formatDigit(fmtDate.getMinutes()));
date = date.replace('ss', _formatDigit(fmtDate.getSeconds()));
return date;
}
var _formatDigit = function(digit) {
digit += '';
if (digit.length < 2) digit = '0' + digit;
return digit;
}
var _getMonthName = function(month) {
var name = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
return name[month];
}
var _getXMLDocument = function(string) {
var browser = navigator.appName;
var xml;
if (browser == 'Microsoft Internet Explorer') {
xml = new ActiveXObject('Microsoft.XMLDOM');
xml.async = 'false';
xml.loadXML(string);
} else {
xml = (new DOMParser()).parseFromString(string, 'text/xml');
}
return xml;
}
var _getLapsedTime = function(date) {
// Get current date and format date parameter
var todayDate = new Date();
var pastDate = new Date(date);
// Get lasped time in seconds
var lapsedTime = Math.round((todayDate.getTime() - pastDate.getTime())/1000)
// Return lasped time in seconds, minutes, hours, days and weeks
if (lapsedTime < 60) {
return '< 1 min';
} else if (lapsedTime < (60*60)) {
var t = Math.round(lapsedTime / 60) - 1;
var u = 'min';
} else if (lapsedTime < (24*60*60)) {
var t = Math.round(lapsedTime / 3600) - 1;
var u = 'hour';
} else if (lapsedTime < (7*24*60*60)) {
var t = Math.round(lapsedTime / 86400) - 1;
var u = 'day';
} else {
var t = Math.round(lapsedTime / 604800) - 1;
var u = 'week';
}
// Check for plural units
if (t > 1) u += 's';
return t + ' ' + u;
}
})(jQuery);
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