// ******************************************************************
// cdsCADService.js
//
// Copyright (c) 2007 Catalog Data Solutions. All Rights Reserved.
//
// Displays a schematic image with hotlinks to products or other
// schematics
//
// Note: For some retarded reason, attribute.default doesn't work
// in IE, you have to use attribute["default"].
// ******************************************************************
if (typeof ajaxCaller != "object") document.write('<script type="text/javascript" src="scripts/ajaxCaller.js"></script>');
if (typeof fixUrl != "function") document.write('<script type="text/javascript" src="scripts/cdsUtilities.js"></script>');
if (pageArguments === null) parsePageArguments();

function cdsCADService() {
	this.elementId = null;
	this.product = entities.ProductDetailsEntity.productNumber;
	this.attributes = entities.CADEntity.attributes;
	this.viewFormat = properties["cadService.viewerFormat"];
	this.downloadFormats = properties["cadService.cadDownloadFormats"];
	this.waitingForServer = false;
	this.downloadIsView = false;
	this.format = null;

	// =====================================================
	// initialize the cad service widget
	// =====================================================
	this.init = function() {
	}

	// =====================================================
	// event handler for clicking download button
	// =====================================================
	this.onClickDownload = function() {
		if (this.waitingForServer) return;
		var e = document.getElementById("cdsCADDownloadFormatList");
		this.format = e.options[e.selectedIndex].value;
		if (this.format == null || this.format == "none") {
			alert("Please select a download format.");
			return;
		}
		this.downloadIsView = false;
		this.getCADUrl(this.format);
	}

	// =====================================================
	// event handler for clicking view button
	// =====================================================
	this.onClickView = function() {
		if (this.waitingForServer) return;
		this.format = this.viewFormat;
		this.downloadIsView = true;
		this.getCADUrl(this.format);
	}

	// =====================================================
	// event handler for clicking download button
	// =====================================================
	this.doOnBlurAttribute = function(idx) {
		var e = document.getElementById("cdsShowProductCADAttribute" + idx);
		if (this.attributes[idx].type.toUpperCase() != "STRING") {
			var val = parseFloat(e.value);
			var vals = this.attributes[idx].values.split(",");

			if (val == null || isNaN(val) || val < vals[0] || val > vals[1]) {
				alert("Please enter a value between " + vals[0] + " and " + vals[1] + ".");
				document.getElementById("cdsShowProductCADAttribute" + idx).value = this.attributes[idx]["default"];
				return 0;
			}
		}
		return 1;
	}

	// =====================================================
	// ajax server calls
	// =====================================================
	this.redirectToCad = function(url) {
		var div = document.getElementById("cdsCADModelProgress");
		document.body.removeChild(div);
		this.waitingForServer = false;
		if (!this.downloadIsView) {
			location.href = fixUrl(url);
		} else {
			if (this.format == "pview") window.open("viewpvl.jsp?ms=" + escape(fixUrl(url)), "viewer_window");
			else if (this.format == "edrawings") window.open("viewedz.jsp?ms=" + escape(fixUrl(url)), "viewer_window");
            else if (this.format == "3dpdf") window.open(fixUrl(url), "viewer_window");
		}
	}

	this.getSearchCallback = function(text, headers, callingContext) {
		eval("var o = " + text + ";");

		// check for authentication errors
		if (o.error != null && o.error == "authenticationRequired") {
			var tloc = location.href;
			var pos = tloc.indexOf("?");
			if (pos != -1) tloc = "service" + tloc.substring(pos);
			location.href = "service?domain=" + domain + "&command=showLogin&redirect=" + escape(tloc);

		} else {
			var url = o.url;
			var isView = widgets.cdsCADService.downloadIsView;

			var div = document.getElementById("cdsCADModelProgress");
			while (div.hasChildNodes()) div.removeChild(div.lastChild);
			var table = document.createElement("table");
			div.appendChild(table);
			var tbody = document.createElement("tbody");
			table.appendChild(tbody);
			var tr = document.createElement("tr");
			tbody.appendChild(tr);
			var td = document.createElement("td");
			tr.appendChild(td);
			var str = document.createElement("strong");
			td.appendChild(str);
			str.appendChild(document.createTextNode((url != null) ? "Done!" : "Error!"));

			td = document.createElement("td");
			tr.appendChild(td);
			td.innerHTML = (url != null) ? "Click <a href='javascript:widgets.cdsCADService.redirectToCad(\"" + url + "\")'>here</a> to " + ((isView) ? "view" : "download") + " your model." : "There was an error generating the model you have requested.  Please wait a few minutes and try again.";
		}
	}

	this.getCADUrl = function(format) {
		var s = "service?domain=" + domain + "&entity=CAD&product=" + escape(this.product) + "&format=" + escape(format) + "&xarg=" + (new Date()).getTime();
		// add attributes
		if (this.attributes != null) {
			for (var i = 0; i < this.attributes.length; i++) {
				var e = document.getElementById("cdsShowProductCADAttribute" + i);
				if (this.attributes[i].type.toUpperCase() == "STRING") {
					var val = e[e.selectedIndex].value;
					var name = this.attributes[i].parameter;
					s += "&" + name + "=" + escape(val);
				} else {
					var val = parseFloat(e.value);
					var vals = this.attributes[i].values.split(",");
					if (val == null || isNaN(val) || val < vals[0] || val > vals[1]) return;
					var name = this.attributes[i].parameter;
					s += "&" + name + "=" + val;
				}
			}
		}

		this.waitingForServer = true;

		if (pageArguments["debug"] === "true") {
			var pos = location.href.lastIndexOf("/");
			var l = location.href.substring(0, pos + 1);
			alert(l + s);
			// return;
		}

		var div = document.createElement("div");
		div.setAttribute("id", "cdsCADModelProgress");
		document.body.appendChild(div);
		var table = document.createElement("table");
		div.appendChild(table);
		var tbody = document.createElement("tbody");
		table.appendChild(tbody);
		var tr = document.createElement("tr");
		tbody.appendChild(tr);
		var td = document.createElement("td");
		tr.appendChild(td);
		td.rowSpan = "2";
		var img = document.createElement("img");
		td.appendChild(img);
		img.setAttribute("src", "images/progress_animation.gif");
		td = document.createElement("td");
		tr.appendChild(td);
		var str = document.createElement("strong");
		td.appendChild(str);
		str.appendChild(document.createTextNode("Generating Model"));
		tr = document.createElement("tr");
		tbody.appendChild(tr);
		td = document.createElement("td");
		tr.appendChild(td);
		td.appendChild(document.createTextNode("The model you requested is being generated.  This could take up to a minute, please wait..."));

		ajaxCaller.getPlainText(s, this.getSearchCallback);
	}

	// =====================================================
	// display ourself
	//
	// Returns it's own element to be embedded in an element
	// within the calling script.
	// =====================================================
	this.display = function() {
		var odiv = document.createElement("div");
		var div = document.createElement("div");
		odiv.appendChild(div);

		var btn = document.createElement("input");
		btn.setAttribute("type", "button");
		btn.setAttribute("value", "Download 3D Model");
		btn.controller = this;
		btn.onclick = function(e) { this.controller.onClickDownload(); };
		div.appendChild(btn);

		var sel = document.createElement("select");
		sel.setAttribute("id", "cdsCADDownloadFormatList");
		div.appendChild(sel);

		var opt = document.createElement("option");
		opt.setAttribute("value", "none");
		opt.appendChild(document.createTextNode("Choose Format"));
		opt.setAttribute("selected", "selected");
		sel.appendChild(opt);

		var flist = this.downloadFormats.split("|");
		for (var i = 0; i < flist.length; i++) {
			var flistList = flist[i].split("=");
			var name = flistList[0];
			var value = flistList[1];
			opt = document.createElement("option");
			opt.setAttribute("value", value);
			opt.appendChild(document.createTextNode(name));
			sel.appendChild(opt);
		}

		div = document.createElement("div");
		odiv.appendChild(div);

		btn = document.createElement("input");
		btn.setAttribute("type", "button");
		btn.setAttribute("value", "View 3D Model");
		btn.controller = this;
		btn.onclick = function(e) { this.controller.onClickView(); };
		div.appendChild(btn);

		return odiv;
	}
}