google.load("feeds", "1")
function gfeedfetcher(divid, divClass, linktarget){ this.linktarget=linktarget || ""; this.feedlabels=[]; this.feedurls=[]; this.feeds=[]; this.feedsfetched=0; this.feedlimit=5; this.showoptions=""; this.sortstring="date"; document.write('<div id="'+divid+'" class="'+divClass+'"></div>'); this.feedcontainer=document.getElementById(divid); this.itemcontainer="<li>"; }
gfeedfetcher.prototype.addFeed=function(label, url){this.feedlabels[this.feedlabels.length]=label; this.feedurls[this.feedurls.length]=url; }
gfeedfetcher.prototype.filterfeed=function(feedlimit, sortstr){ this.feedlimit=feedlimit; if (typeof sortstr!="undefined") this.sortstring=sortstr; }
gfeedfetcher.prototype.displayoptions=function(parts){ this.showoptions=parts; }
gfeedfetcher.prototype.setentrycontainer=function(containerstr){ this.itemcontainer="<"+containerstr.toLowerCase()+">"; }
gfeedfetcher.prototype.init=function(){ this.feedsfetched=0; this.feeds=[]; this.feedcontainer.innerHTML="جاري التحميل..."; var displayer=this; for (var i=0; i<this.feedurls.length; i++){ var feedpointer=new google.feeds.Feed(this.feedurls[i]); var items_to_show=(this.feedlimit<=this.feedurls.length)? 1 : Math.floor(this.feedlimit/this.feedurls.length); if (this.feedlimit%this.feedurls.length>0 && this.feedlimit>this.feedurls.length && i==this.feedurls.length-1); items_to_show+=(this.feedlimit%this.feedurls.length); feedpointer.setNumEntries(items_to_show); feedpointer.load(function(r){displayer._fetch_data_as_array(r)}); } }
gfeedfetcher._formatdate=function(datestr, showoptions){ var itemdate=new Date(datestr); var parseddate=(showoptions.indexOf("datetime")!=-1)? itemdate.toLocaleString() : (showoptions.indexOf("date")!=-1)? itemdate.toLocaleDateString() : (showoptions.indexOf("time")!=-1)? itemdate.toLocaleTimeString() : ""; return "<span class='datefield'>"+parseddate+"</span>"; }
gfeedfetcher._sortarray=function(arr, sortstr){ var sortstr=(sortstr=="label")? "ddlabel" : sortstr; if (sortstr=="title" || sortstr=="ddlabel"){ arr.sort(function(a,b){ var fielda=a[sortstr].toLowerCase(); var fieldb=b[sortstr].toLowerCase(); return (fielda<fieldb)? -1 : (fielda>fieldb)? 1 : 0; }) } else { try { arr.sort(function(a,b){return new Date(b.publishedDate)-new Date(a.publishedDate)}); } catch(err){}; } }
gfeedfetcher.prototype._fetch_data_as_array=function(result){ var thisfeed=(!result.error)? result.feed.entries : ""; if (thisfeed=="") alert("Google Feed API Error: "+result.error.message); for (var i=0; i<thisfeed.length; i++) result.feed.entries[i].ddlabel=this.feedlabels[this.feedsfetched]; this.feeds=this.feeds.concat(thisfeed); this._signaldownloadcomplete(); }
gfeedfetcher.prototype._signaldownloadcomplete=function(){ this.feedsfetched+=1; if (this.feedsfetched==this.feedurls.length) this._displayresult(this.feeds); }
gfeedfetcher.prototype._displayresult=function(feeds){ var rssoutput=(this.itemcontainer=="<li>")? "<ul>\n" : ""; gfeedfetcher._sortarray(feeds, this.sortstring); for (var i=0; i<feeds.length; i++){ var itemtitle="<a href=\"" + feeds[i].link + "\" target=\"" + this.linktarget + "\" class=\"titlefield\">" + feeds[i].title + "</a>"; var itemlabel=/label/i.test(this.showoptions)? '<span class="labelfield">['+this.feeds[i].ddlabel+']</span>' : " "; var itemdate=gfeedfetcher._formatdate(feeds[i].publishedDate, this.showoptions); var itemdescription=/description/i.test(this.showoptions)? "<br />"+feeds[i].content : /snippet/i.test(this.showoptions)? "<br />"+feeds[i].contentSnippet  : ""; rssoutput+=this.itemcontainer + itemtitle + " " + itemlabel + " " + itemdate + "\n" + itemdescription + this.itemcontainer.replace("<", "</") + "\n\n"; } rssoutput+=(this.itemcontainer=="<li>")? "</ul>" : ""; this.feedcontainer.innerHTML=rssoutput; }