Metacat

function get_reviews(docid, metacatUrl) {

	if (docid != null && docid != '') {

		new Ajax.Request( metacatUrl + "?action=read&docid=" + docid,

			{asynchronous:true, evalScripts:true, method:'post',

			onLoading:function(request){Element.show('busy')},

			onComplete: render_reviews});

	}

}

function render_reviews(request) {

	//alert(request.responseText);

	var reviews = request.responseXML.getElementsByTagName("review");

	var div_panel;

	// for each review...

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

		div_panel = document.createElement("div");

		panelName = "panel" + (i+1);

		var packageId_string = getText(reviews[i], "packageId");

		var action = document.createTextNode("Action: " + getText(reviews[i], "action"));

		var datetime = document.createTextNode(getText(reviews[i], "datetime"));

		var text_string = getText(reviews[i], "text");

		var text = document.createTextNode(text_string);

		// 22 title chars or 34 blurb chars can fit in one title bar

		var title_max_length = 18;

		var blurb_max_length = 22;

		var title_length = packageId_string.length;

		var blurb_string = "";

		if (title_length > title_max_length) {

			// abbreviate the title

			packageId_string = packageId_string.substring(0, title_max_length-3) + "...";

		} else {

			// try to squeeze in the blurb

			blurb_length = Math.floor((title_max_length - title_length) * (blurb_max_length / title_max_length));

			if (text_string.length > blurb_length) {

				// abbreviate the blurb

				if (blurb_length > 3) {

					blurb_length -= 3;

					suffix = "...";

				} else {

					suffix = "";

				}

				blurb_string = text_string.substring(0, blurb_length) + suffix;

			} 

		}

		var packageId = document.createTextNode(packageId_string);

		var blurb = document.createTextNode(blurb_string);

		var div_header = document.createElement("div");

		var span_blurb = document.createElement("span");

		var div_content = document.createElement("div");

		var p_tstamp = document.createElement("p");

		var p_action = document.createElement("p");

		var p_text = document.createElement("p");

		div_header.appendChild(packageId);

		span_blurb.appendChild(blurb);

		div_header.appendChild(span_blurb);

		p_tstamp.appendChild(datetime);

		p_action.appendChild(action);

		p_text.appendChild(text);

		div_content.appendChild(p_tstamp);

		div_content.appendChild(p_action);

		div_content.appendChild(p_text);

		div_panel.setAttribute("id", panelName);

		div_header.setAttribute("id", panelName + "Header");

		div_header.setAttribute("class", "tabtitle");

		div_content.setAttribute("id", panelName + "Content");

		span_blurb.setAttribute("id", panelName + "Blurb");

		span_blurb.setAttribute("class", "review_blurb");

		div_content.setAttribute("class", "accordionTabContentBox");

		p_tstamp.setAttribute("class", "review_tstamp");

		p_action.setAttribute("class", "review_action");

		p_text.setAttribute("class", "review_text");

		div_header.setAttribute("className", "tabtitle");

		span_blurb.setAttribute("className", "review_blurb");

		div_content.setAttribute("className", "accordionTabContentBox");

		p_tstamp.setAttribute("className", "review_tstamp");

		p_action.setAttribute("className", "review_action");

		p_text.setAttribute("className", "review_text");

		div_panel.appendChild(div_header);

		div_panel.appendChild(div_content);

		document.getElementById("review_list").appendChild(div_panel);

	}

	var which_tab = 0;

	Element.hide("panel" + (which_tab+1) + "Blurb");

	var accordion = new Rico.Accordion('review_list',

		{

			borderColor:"#ddd",

			expandedBg:"#DEF1F1",

			expandedTextColor:"#000",

			collapsedBg:"#A3DADA",

			collapsedTextColor:"#444",

			hoverBg:"#DEF1F1",

			hoverTextColor:"#222",

			panelHeight:150,

			onLoadShowTab:which_tab

		});

	// could have used onShowTab/onHideTab but this has a better effect

	accordion.clickBeforeActions.push(show_current_blurb);

	accordion.clickAfterActions.push(hide_current_blurb);

	// not busy anymore

	setTimeout("Element.hide('busy')", 1000);

}

// for accordion

function get_current_panel(tab) {

  var panelName = tab.accordion.lastExpandedTab.titleBar.id;

  return panelName.substring(0, panelName.indexOf("Header"));

}

// for accordion

function show_current_blurb(tab) {

  Element.show(get_current_panel(tab) + "Blurb");

}

// for accordion

function hide_current_blurb(tab) {

  Element.hide(get_current_panel(tab) + "Blurb");

}

function getText(elem, tag) {

	var node = elem.getElementsByTagName(tag)[0];

	if (node != null && node.firstChild != null) {

		return elem.getElementsByTagName(tag)[0].firstChild.nodeValue.trim();

	}

	return "";

}

function expand_detail(rid) {

	id = "review_" + rid;

	Element.hide(id + '_show');

	Element.hide(id + '_blurb');

	Element.show(id + '_hide');

	new Effect.BlindDown(id + "_detail", {duration:0.3})

}

function hide_detail(rid) {

	id = "review_" + rid;

	new Effect.BlindUp(id + "_detail", {duration:0.3})

	Element.hide(id + '_hide');

	Element.show(id + '_show');

	Element.show(id + '_blurb');

	//setTimeout("Element.show(id + '_show'); Element.show(id + '_blurb')", 250)

}