var revisionview=null;

function PackageMercurialUrl () {

	if (!Packageid) {return;}

	MCLrepos = new Ajax();

	MCLrepos.onreadystatechange = PackageMercurialUrlCompleted;

	MCLrepos.open('GET', nocache(mercurialUrl), true);

	debuglog.debug ("accessing mercurial url: "+ mercurialUrl);

	MCLrepos.send(null);	

}

function PackageMercurialUrlCompleted () {

	 if (MCLrepos.readyState == 4) {

	 	var pagetext = MCLrepos.responseText;

		var ind = pagetext.indexOf(Packageid +"/");

		pagetext = pagetext.substr(1,ind+Packageid.length);

		debuglog.debug("result of regexp search for url is " + ind +  " Package name is "+Packageid);

		if (ind==-1){

			uiManager.showNotification(1000, "Warning", "Mercurial - Package Not Found");

			debuglog.debug ("Error - Package not found in the FCL page");

			return;

		} 

		ind=pagetext.lastIndexOf("href");

		mercurialPackageUrl = symbianOrgBaseUrl + pagetext.substr(ind+6,pagetext.length-ind-6) + mercurialrss;

	 	debuglog.debug("mercurial FCL repo URL is:" + mercurialPackageUrl);

		//save settings

		    if (window.widget) {

				widget.setPreferenceForKey(mercurialPackageUrl, "mercurialPackageUrl");

			} else {

				debuglog.debug("mercurial - widget not found");

			}

	 }

}

function MercurialFeedPresenter(rssreader) {

	var myreader = rssreader;

	ButtonFeedPresenter.prototype.init.call(this, rssreader);

}

 MercurialFeedPresenter.prototype = new ButtonFeedPresenter(null);

// Handle the button-press

 MercurialFeedPresenter.prototype.feedClicked = function(event){

	var clickedButton = event.source;

	var id = clickedButton.id;

	var myitem = this.items[id]

	revisionpresenter(myitem,this.rssreader);

}

function revisionpresenter(aItem, aParent) {

	revisionview = new ListView(null, createCaption(aItem.title));

	revisionview.previousView = aParent;

	var mytext = new ContentPanel(null, null, null, true);

	mytext.setExpanded(true);

	revisionview.addControl(mytext);

	 var mybuf = "<br><div class=\"FeedItemLink\">";

	     mybuf += "<a href=\"JavaScript:void(0)\" onclick=\"openURL('" + symbianOrgBaseUrl + aItem.url + "'); return false;\">";

    	 mybuf += "Open in browser..";

         mybuf += "</a>";

         mybuf += "</div><br>";

	var description = "<table style="+bugzillaTableStyle+">";

	description += "<tr><td>Author:" + "</td><td>" + aItem.author + "</td></tr>";

	description += "<tr><td>Date:" + "</td><td>" + aItem.date + "</td></tr>";

	description += "</table>";

	description += "<table style="+bugzillaTableStyle+"><tr><td>";

	description += mybuf;

	description += "<div class=\"FeedItemDescription\">" 

	description += "<b>Description:</b><br>" +  aItem.description ;

	description += "</div>";

	description += "</td></tr></table>";

	mytext.setContent(description);

	revisionview.show();

}

function parseRepoFeed (broker, responseStatus, xmlDoc) {

	if (responseStatus == 200 && xmlDoc != null) {

        // node ref for iterating

        var node;

		// for compatibility with rss

		var lastModified = new Date();

        // init result items array

        var items = [];

		var itemElements = xmlDoc.getElementsByTagName("item");

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

            // iterate through child nodes of this item and gather

            // all the data we need for a feed item

            var title = null;

            var date = null;

            var description = null;

            var url = null;

            var author = null;

			var changeset = null;

            node = itemElements[i].firstChild;

            while (node != null) {

                if (node.nodeType == Node.ELEMENT_NODE) {

                    if (node.nodeName == "title") {

                        // item title

                        title = getTextOfNode(node);

						if ( title.length > 48) {

							title = title.substring(0,45) + "...";

						}

                    } else if (node.nodeName == "pubDate" ) {

                        // item publishing date

                        date = getTextOfNode(node);

                    } else if (node.nodeName == "description" && !this.ignoreContent ) {

                        // item description

                        description = getTextOfNode(node);

                    } else if (node.nodeName == "guid") {

                        // link URL

                        url = getTextOfNode(node);

						// extract bug revision

						ind=url.indexOf("rev/");

						rev = url.substr(ind,url.length-ind);

                    } else if (node.nodeName == "author" ) {

						author = getTextOfNode(node);

					}

                }

                node = node.nextSibling;

            }

            items.push({ title: title, date: date, description: description, url: url, author: author, rev: rev });

		}

        // update was completed successfully

        return { status: "ok", lastModified: lastModified, items: items };

    } else {

        // update failed

        return { status: "error" };

    }

}