// JavaScript Document
google.load("feeds", "1") //Load Google Ajax Feed API (version 1)

function twitterdisplayer(divid, url, feedlimit, showoptions){
this.showoptions=showoptions || "" //get string of options to show ("date" and/or "description")
var feedpointer=new google.feeds.Feed(url) //create new instance of Google Ajax Feed API
feedpointer.setNumEntries(feedlimit) //set number of items to display
document.write('<div id="'+divid+'">Carregant feed...</div>')
this.feedcontainer=document.getElementById(divid)
var displayer=this
feedpointer.load(function(r){displayer.formatoutput(r)}) //call Feed.load() to retrieve and output RSS feed
}


twitterdisplayer.prototype.formatdate=function(datestr){
var itemdate=new Date(datestr)
return "<span class='meta'>"+itemdate.toLocaleString()+"</span>"
}


twitterdisplayer.prototype.formatoutput=function(result){
if (!result.error){ //if RSS feed successfully fetched
var thefeeds=result.feed.entries //get all feed entries as a JSON array
var rssoutput="<div>"
for (var i=0; i<thefeeds.length; i++){ //loop through entries
var itemtitle="<a href=\"" + thefeeds[i].link + "\"><img src='images/twitt.png' class='none right'></a>"
var itemdescription=/description/i.test(this.showoptions)? "<br />"+thefeeds[i].content : /snippet/i.test(this.showoptions)? "<br />"+thefeeds[i].contentSnippet  : ""
var twitts=itemdescription.substr(20);
rssoutput+="<p class='twittcase'>" + twitts + "<br/><a href='http://twitter.com/#!/AteneuManlleu' target='_blank'>[+twitts]</a><br/><img src='images/stuff/twitt.png' class='clear right'><hr></p>"
}
rssoutput+="</div>"
this.feedcontainer.innerHTML=rssoutput
}
else //else, output error
alert("Error al cercar el twitt: "+result.error.message)
}

//USAGE SYNTAX: new rssdisplayer("divid", "rssurl", numberofitems, "displayoptions")
//new rssdisplayer("adiv", "http://www.cssdrive.com/index.php/news/rss_2.0/", 5, "date, description")