// 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 COMBO_BOX_FLYOUT_SCROLL_PADDING = 30;
var comboBoxes = new Array();


function initComboBox(container) {
	comboBoxes[container.id] = new comboBox(container);
	return comboBoxes[container.id];
}

function displayCBOptions(event) {
	var eventM = new eventManager(event);
	eventM.cancelBubble();

	var caller = eventM.getSrc().parentNode.parentNode.parentNode.parentNode;

	comboBoxes[caller.id].displayDropDown();
}

function cbTextItem(text, action, isDefault) {
	this.text = text;
	this.action = action;
	this.itemType = "textItem";
	this.isDefault = isDefault;
}

function cbTextImageItem(text, image, action, isDefault) {
	this.text = text;
	this.image = image;
	this.action = action;
	this.itemType = "textImageItem";
	this.isDefault = isDefault;
}

function cbImageTextItem(text, image, action, isDefault) {
	this.text = text;
	this.image = image;
	this.action = action;
	this.itemType = "imageTextItem";
	this.isDefault = isDefault;	
}

function cbRepeatingImageItem(image, action, isDefault) {
	this.image = image;
	this.action = action;
	this.itemType = "repeatingImageItem";
	this.isDefault = isDefault;
}

function comboBox(container) {

	this.container = container;
	var selectedItem = -1;
	this.getSelectedItem = function() {
		return selectedItem;
	}

	var items = new Array();
	var flyout;
	
	this.addItem = function(item) {
		items[items.length] = item;
		if (item.isDefault || items.length == 1)
			setSelectedItem(items.length - 1);
	}

	this.getItem = function(item) {
		return items[item];
	}

	this.numItems = function() {
		return items.length;
	} 

	this.clearItems = function() {
		items = new Array();
		selectedItem = -1;
	}

	function setSelectedItem(idx) {
		var text = container.firstChild.firstChild.firstChild;
		while(text.firstChild)
			text.removeChild(text.lastChild);
		createFlyoutItemContent(text, items[idx]);
		selectedItem = idx;
	}
	this.setSelectedItem = setSelectedItem;

	this.numItems = function() {
		return items.length;
	}

	this.displayDropDown = function() {
		if (selectedItem == -1)
			setSelectedItem(0);

		if (flyout != null) {
			document.body.removeChild(flyout);
			flyout = null;
		}

		flyout = document.createElement("DIV");
		if (items.length <= 5)
			flyout.className = "comboBoxDropDown";
		else
			flyout.className = "comboBoxDropDownLimited";
		flyout.style.top = getPageOffsetTop(container) + container.offsetHeight;
		flyout.style.left = getPageOffsetLeft(container);

		flyout.style.width = container.offsetWidth;

		for (var i = 0; i < items.length; i++)
			populateFlyoutItem(i);

		document.body.appendChild(flyout);

		window.setTimeout("comboBoxes[\"" + container.id + "\"].sizeDropDown();",1);
		
	}

	this.sizeDropDown = function() {
		if (flyout.scrollWidth > flyout.offsetWidth) {
			flyout.style.width = flyout.scrollWidth + COMBO_BOX_FLYOUT_SCROLL_PADDING;
		}
	}

	function populateFlyoutItem(idx) {
		var fItem = document.createElement("DIV");
		fItem.className = "comboBoxItem";
		fItem.onmouseover = function() {
			this.className = "comboBoxItemOver";
		}
		fItem.onmouseout = function() {
			this.className = "comboBoxItem";
		}
		fItem.onclick = function() {
			setSelectedItem(idx);
			hideDropDown();
			if (items[idx].action)
				eval(items[idx].action);
		}

		createFlyoutItemContent(fItem, items[idx]);

		flyout.appendChild(fItem);
	}

	function createFlyoutItemContent(cont, item) {
		if (item.itemType == "textItem") {
			cont.appendChild(document.createTextNode(item.text));
		} else if (item.itemType == "textImageItem") {
			cont.appendChild(document.createTextNode(item.text + " ("));
			insertIMGNode(cont, item.image, "comboBoxItemImg", [new attrib("width","16"),new attrib("height","16")]);	
			cont.appendChild(document.createTextNode(")"));
		} else if (item.itemType == "imageTextItem") {
			insertIMGNode(cont, item.image, "comboBoxItemImg", [new attrib("width","16"),new attrib("height","16")]);	
			cont.appendChild(document.createTextNode(" " + item.text));
		} else if (item.itemType == "repeatingImageItem") {
			insertIMGNode(cont, item.image, "comboBoxItemImg", [new attrib("height","16")]);	
		}			
	}

	function hideDropDown() {
		if (flyout != null) {
			for (var i = flyout.childNodes.length - 1; i >= 0; i--) {
				if (flyout.childNodes[i].onmouseover)
					flyout.childNodes[i].onmouseover = null;
				if (flyout.childNodes[i].onmouseout)
					flyout.childNodes[i].onmouseout = null;
				if (flyout.childNodes[i].onclick)
					flyout.childNodes[i].onclick = null;	
			}
			document.body.removeChild(flyout);
			flyout = null;
		}
	}
	this.hideDropDown = function () {hideDropDown();}
}

function getPageOffsetLeft(obj) {
	var left = obj.offsetLeft;
	var oParent = obj.offsetParent;
	while (oParent) {
		left += oParent.offsetLeft;
		oParent = oParent.offsetParent;
	}
	
	//Now we have to remove any scrolling
	var scrollLeft = 0;
	oParent = obj;
	while (oParent && !oParent.body) {
		scrollLeft += oParent.scrollLeft;
		oParent = oParent.parentNode;
	}
	
	return left - scrollLeft;
}

function getPageOffsetTop(obj) {
	var top = obj.offsetTop;
	var oParent = obj.offsetParent;
	while (oParent) {
		top += oParent.offsetTop;
		oParent = oParent.offsetParent;
	}
	
	//Now we have to remove any scrolling
	var scrollTop = 0;
	oParent = obj;
	while (oParent && !oParent.body) {
		scrollTop += oParent.scrollTop;
		oParent = oParent.parentNode;
	}
	
	return top - scrollTop;
}

function hideChartDropdowns(event) {
	if (comboBoxRows)
		comboBoxRows.hideDropDown();

	if (comboBoxColumns)
		comboBoxColumns.hideDropDown();
}

function changeChartView()
{
	var form = topparent.getXtabFrame().document.fhidden;
	var target = form.target;
	form.target = "Chart";
	var command = "";
	if (comboBoxRows && comboBoxRows.getSelectedItem() >= 0)
		command = 'RS:"' + CEncodingUtil.EncodeStrOperand(summaryRowCats[comboBoxRows.getSelectedItem()]) + '"';
	if (comboBoxColumns && comboBoxColumns.getSelectedItem() >= 0)
	{
		if (command.length > 0)
			command += '\t\t';
		command += 'RT:"' + CEncodingUtil.EncodeStrOperand(summaryColCats[comboBoxColumns.getSelectedItem()]) + '"';
	}
	form.CO.value = command;
	form.RA.value = 999;
	form.CNCT.value = 20;
	parseAndSubmit(form);
	form.target = target;
	form.CO.value = "";
}