// Licensed Materials - Property of IBM
//
// IBM Cognos Products: pps
//
// (C) Copyright IBM Corp. 2005, 2017
//
// US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

var MESSAGE_TYPE_INFO = 0;
var MESSAGE_TYPE_SIMPLE = 1;
var MESSAGE_TYPE_WARNING = 2;
var MESSAGE_SIDE_PADDING = 40;
var imagesLoaded = false;

var infoImage = new Image();
var warningImage = new Image();
loadImages();
	
function loadImages() {
	//pre-load images if they are available. 
	if (topparent.getGlobal("virtualDirRoot")) {
		infoImage.src = topparent.getGlobal("virtualDirRoot") + "/ppwb/Icon/info.gif";
		warningImage.src = topparent.getGlobal("virtualDirRoot") + "/ppwb/Icon/warning.gif";
		imagesLoaded=true;
	}
}

var messageBlanket = null;

function displayCommonMessage(text, type, button_texts, button_actions) {

	removeMessage();
	hideAllSelectBoxes();
	initBlanket();
	createMessage(text, type, button_texts, button_actions);
	positionMessage();	
}

function initBlanket() {
	var windowWidth = document.body.offsetWidth;
	var windowHeight = document.body.offsetHeight;
	if (window.innerWidth) {
		windowWidth = window.innerWidth;
		windowHeight = window.innerHeight;
	}

	messageBlanket = document.createElement("DIV");
	
	messageBlanket.className = "commonMessageBlanket";
		
	messageBlanket.style.height = windowHeight - messageBlanket.offsetTop - 24;
	messageBlanket.style.width = windowWidth - 1;

	document.body.appendChild(messageBlanket);
	
}

function createMessage(text, type, button_texts, button_actions) {
	
	var message = document.createElement("DIV");
	message.className = "commonMessageContainer";
	message.id = "commonMessageInsert";

	/***********  Standard Message ************/
	var contentTable = document.createElement("TABLE");
	var contentTableBody = document.createElement("TBODY");
	contentTable.appendChild(contentTableBody);
	var contentRow = document.createElement("TR");
	contentTableBody.appendChild(contentRow);

	var textCell = document.createElement("TD");
	textCell.className = "commonMessageTextCell";

	if (type != MESSAGE_TYPE_SIMPLE) {
		var imgCell = document.createElement("TD");
		imgCell.className = "commonMessageImgCell";
		
		if (!imagesLoaded)
			loadImages();

		switch (type) {
			case MESSAGE_TYPE_INFO: insertIMGNode(imgCell, infoImage.src, "commonMessageImg", []); break;
			case MESSAGE_TYPE_WARNING: insertIMGNode(imgCell, warningImage.src, "commonMessageImg", []); break;
		}
		contentRow.appendChild(imgCell);
	}

	var texts = text.split("\n");
	for (var i = 0; i < texts.length; i++) {
		textCell.appendChild(document.createTextNode(texts[i]));
		textCell.appendChild(document.createElement("BR"));		
	}
	
		contentRow.appendChild(textCell);
		message.appendChild(contentTable);


	/**************** OK/Cancel Buttons ************/

	if (button_texts.length) {
		var buttonDiv = document.createElement("DIV");
		buttonDiv.className = "commonMessageButtonDiv";

		for (var i = 0; i < button_texts.length; i++) {
			var button = document.createElement("SPAN");
			button.className = "commonMessageButtonSpan";
			button.appendChild(document.createTextNode(button_texts[i]));
			button.onclick = button_actions[i];
			button.onmouseover = new Function("this.className = 'commonMessageButtonSpanRollover';");
			button.onmouseout = new Function("this.className = 'commonMessageButtonSpan';");
			buttonDiv.appendChild(button);
			buttonDiv.appendChild(document.createTextNode("  "));
		}

		message.appendChild(buttonDiv);
	}

	messageBlanket.appendChild(message);
}

function positionMessage() {

	var windowWidth = document.body.offsetWidth;
	var windowHeight = document.body.offsetHeight;
	if (window.innerWidth) {
		windowWidth = window.innerWidth;
		windowHeight = window.innerHeight;
	}

	var message = document.getElementById("commonMessageInsert");

	if (message.offsetWidth > windowWidth - 2 * MESSAGE_SIDE_PADDING)
		message.style.width = windowWidth - 2 * MESSAGE_SIDE_PADDING;

	message.style.top = parseInt((windowHeight - message.offsetHeight)/2);
	message.style.left = parseInt((windowWidth - message.offsetWidth)/2);
}

function removeMessage() {
	showAllSelectBoxes();
	if (messageBlanket != null) {
		document.body.removeChild(messageBlanket);
		messageBlanket = null;
	}
}

function hideAllSelectBoxes() {
	hideAllElementsOfTag("select");
	if (topparent.getGlobal("MacGecko")) {
		//Specific elements to hide, so that the scroll bars don't stay visible on OSX
		hideElementById("sourceTreeDiv");
	}	
}

function showAllSelectBoxes() {
	showAllElementsOfTag("select");
	if (topparent.getGlobal("MacGecko")) {
		//Specific elements to show for OSX
		showElementById("sourceTreeDiv");
	}
}

function hideAllElementsOfTag(tagName) {
	var elements = document.getElementsByTagName(tagName);
	for (var i = 0; i < elements.length; i++) {
		hideElement(elements[i], "tag" + elements[i].tagName + i);
	}
}

function hideElementById(id) {
	var element = document.getElementById(id);
	if (element)
		hideElement(element, "id" + element.id);
}

function showElementById(id) {
	var element = document.getElementById(id);
	if (element)
		showElement(element, "id" + element.id);
}

function hideElement(element, hideId) {
	//check for a previously create select imitator
	var imitator = document.getElementById("cMessageSelectImitator" + hideId);
	if (imitator)
		imitator.style.display = "";
	else {
		imitator = document.createElement("DIV");
		imitator.className = "commonMessageSelectImitator";
		imitator.id = "cMessageSelectImitator" + hideId;
		imitator.style.width = element.offsetWidth;
		
		// fix for FF/NS to prevent scroll-bars from appearing. 
		if (navigator.appVersion.indexOf("MSIE")>0)
			imitator.style.height = element.offsetHeight;
		else 	
			imitator.style.height = element.offsetHeight - 3;
		
		element.parentNode.insertBefore(imitator, element);
	}

	element.setAttribute("oldStyle",element.style.display);
	element.style.display = "none";		
}

function showAllElementsOfTag(tagName) {
	var elements = document.getElementsByTagName(tagName);
	for (var i = 0; i < elements.length; i++) {
		showElement(elements[i], "tag" + elements[i].tagName + i);
	}
}

function showElement(element, showId) {
	if (element.getAttribute("oldStyle") != null)
		element.style.display = element.getAttribute("oldStyle");		
		
	var imitator = document.getElementById("cMessageSelectImitator" + showId);
	if (imitator)
		imitator.style.display = "none";
}