analytics/webcontent/fragments/xdojo/core.js

//    Licensed Materials - Property of IBM
//
//    IBM Cognos Products:  cpscrn

//
//    (C) Copyright IBM Corp. 2005, 2011
//
//    US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
//
//
// Copyright (C) 2009 Cognos ULC, an IBM Company. All rights reserved.
// Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).

var xUA = navigator.userAgent.toLowerCase();
var xIE4Up = xUA.indexOf('msie') != -1;  // we don't support IE4 anymore so don't check for version

// Functions from xDrag
var xDragElementSource = null;

function xDraggableElement(id, draggable, dragStart, drag, dragEnd) {
	var ele = dojo.byId(id);
	ele.draggable = draggable;
	ele.dragStart = dragStart;
	ele.drag = drag;
	ele.dragEnd = dragEnd;
	return ele;
}
function xDisableDrag(id, last) {
	if (!xDragElementSource) {
		return;
	}
	var ele = new xDraggableElement(id, false, null, null, null);
	xRemoveEventListener(ele, 'mousedown', xDragMouseDown);
	xRemoveEventListener(document, 'mousemove', xDragMouseMove);
}
function xEnableDrag(id, dragStart, drag, dragEnd) {
	var ele = new xDraggableElement(id, true, dragStart, drag, dragEnd);
	xAddEventListener(ele, 'mousedown', xDragMouseDown);
	xAddEventListener(document, 'mousemove', xDragMouseMove);
}
function xDragMouseDown(e) {
	var evt = dojo.fixEvent(e);
	var ele = evt.target;
	while (ele && !ele.draggable) {
		ele = xParent(ele);
	}
	if (ele) {
		evt.preventDefault();
		ele.xDPX = evt.pageX;
		ele.xDPY = evt.pageY;
		xDragElementSource = ele;
		xAddEventListener(document, 'mouseup', xDragMouseUp);
		if (ele.dragStart) {
			ele.dragStart(ele, evt.pageX, evt.pageY);
		}
	}
}
function xDragMouseMove(e) {
	var evt = dojo.fixEvent(e);
	if (xDragElementSource) {
		evt.preventDefault();
		var dx = evt.pageX - xDragElementSource.xDPX;
		var dy = evt.pageY - xDragElementSource.xDPY;
		xDragElementSource.xDPX = evt.pageX;
		xDragElementSource.xDPY = evt.pageY;
		if (xDragElementSource.drag) {
			xDragElementSource.drag(xDragElementSource, dx, dy);
		} else {
			xMoveTo(xDragElementSource, xLeft(xDragElementSource) + dx, xTop(xDragElementSource) + dy);
		}
	}
}
function xDragMouseUp(e) {
	var evt = dojo.fixEvent(e);
	if (xDragElementSource) {
		evt.preventDefault();
		xRemoveEventListener(document, 'mouseup', xDragMouseUp);
		if (xDragElementSource.dragEnd) {
			xDragElementSource.dragEnd(xDragElementSource, evt.pageX, evt.pageY);
		}
		xDragElementSource = null;
	}
}

//Functions from xEvent
// hashmap of the handles for all registered events.
var handleMap = {};
function xEvent(evt) {
	return dojo.fixEvent(evt);
}

function xHandleGenerator(ele, type, listener) {
	return ('' + ele.id + type + listener.name).toLowerCase();
}

function xAddEventListener(ele, type, listener, bCapture) {
	if (xIE4Up && type == "load") {
		var loadHandle = dojo.addOnLoad(listener);
		return loadHandle;
	}
	
	var handle = dojo.connect(dojo.byId(ele), type, listener);
	var handleKey = xHandleGenerator(ele, type, listener);
	handleMap[handleKey] = handle;
	return handle;
}

function xRemoveEventListener(ele, type, listener, bCapture) {
	var handleKey = xHandleGenerator(ele, type, listener);
	dojo.disconnect(handleMap[handleKey]);
	delete handleMap[handleKey];
}

function xPreventDefault(evt) {
	var dxEvt = dojo.fixEvent(evt);
	dxEvt.preventDefault();
}

function xStopPropagation(evt) {
	var dxEvt = dojo.fixEvent(evt);
	dxEvt.stopPropagation();
}

//Functions from xDom
function xGetElementById(id) {
    return dojo.byId(id);
}
function xGetElementsByTagName(tag, base) {
    return dojo.query(tag, base);
}
function xGetElementsByClassName(tag, base) {
    return dojo.query("." + tag, base);
}
function xCreateElement(el) {
	if (document.createElement) {
		return document.createElement(el);
    }
}
function xAppendChild(parentEl, childEl) {
	parentEl.appendChild(childEl);
}
function xFirstChild(el, tag) {
	var nodeList;
	if (tag === undefined) {
		nodeList = dojo.query(":first-child", el);
	} else {
		nodeList = dojo.query(tag + ":first-of-type", el);	
	}
	return (nodeList.length) ? nodeList[0] : null;	
}
function xGetElementsByAttribute(tag, attribute, match) {
	var nodeList = null;
	if (match === undefined) {
		nodeList = dojo.query(tag + "[" + attribute + "]");
	} else {
		nodeList = dojo.query(tag + "[" + attribute + "=" + match + "]");
	}
	return (nodeList.length && nodeList.length < 1) ? null : nodeList;
}
function xParent(el, returnNode) {
	el = dojo.byId(el);
	var parentNode;
	if (returnNode) {
        parentNode = (el && el.parentNode) ? el.parentNode : null;
	} else {
		parentNode = (el && el.offsetParent) ? el.offsetParent : null;
	}
	return parentNode;
}
function xParentNode(elem, ancestorNumber) {
	elem = dojo.byId(elem);
	while (elem && ancestorNumber--) {
		elem = elem.parentNode;
	}
	return elem;
}
function xNextSib(elem, tag) {
	elem = dojo.byId(elem);
	var sib = elem.nextSibling;
	while (sib) {
		if (sib.nodeType == 1 && (!tag || sib.nodeName.toLowerCase() == tag.toLowerCase())) {
			break;
		} else {
			sib = sib.nextSibling;
		}
	}
	return sib;
}
function xPrevSib(elem, tag) {
	elem = dojo.byId(elem);
	var sib = elem.previousSibling;
	while (sib) {
		if ((sib.nodeType == 1) && (!tag || sib.nodeName.toLowerCase() == tag.toLowerCase())) {
			break;
		} else {
			sib = sib.previousSibling;
		}
	}
	return sib;
}

//Functions From xCore

function xCamelize(cssProp) {
	if (cssProp != '') {
		var split = cssProp.split("-");
		var returnVal = null;
		if (split.length < 1) {
			return cssProp;
		} else {
			returnVal = split[0];
			for (var i = 1; i < split.length; i++) {
				returnVal += split[i].substr(0, 1).toUpperCase() + split[i].substr(1, split[i].length);
			}
		}
		return returnVal;
	} else {
		return cssProp;
	}
}

function xDisplay(elem, val) {
	var returnVal = null;
	elem = dojo.byId(elem);
	returnVal = (val) ? dojo.style(elem, "display", val): dojo.style(elem, "display");
	return returnVal;
}
function xOpacity(e, o) {
	e = dojo.byId(e);
	if (o != undefined) {
		dojo.style(e, "opacity", (o + ''));
	} else {
		o = parseFloat(dojo.style(e, "opacity"));
	}
	return isNaN(o) ? 1 : o; 
}
function xVisibility(elem, show) {
	elem = dojo.byId(elem);
	if (show != undefined) {
		if (show) {
			dojo.style(elem, "visibility", "visible");
		} else {
			dojo.style(elem, "visibility", "hidden");
		}
	}
	return dojo.style(elem, "visibility");
}
function xHide(elem) {
	elem = dojo.byId(elem);
	dojo.style(elem, "visibility", "hidden");
	return dojo.style(elem, "visibility");
}
function xShow(elem) {
	elem = dojo.byId(elem);
	dojo.style(elem, "visibility", "visible");
	return dojo.style(elem, "visibility");
}
function xGetComputedStyle(elem, style, isInt) {
	elem = dojo.byId(elem);
	if (!elem) {
		return null;
    }
	var camStyle = xCamelize(style);
	var returnVal = null;
	var cssNode = dojo.getComputedStyle(elem);
	if (cssNode) {
		returnVal = cssNode[camStyle];
	} else {
		return null;
	}
	return (isInt) ? (parseInt(returnVal, 10) || 0) : returnVal;
}
function xLeft(el, l) {
    return (l === undefined) ? dojo.coords(el).l : dojo.style(el, "left", l);
}
function xTop(el, t) {
    return (t === undefined) ? dojo.coords(el).t : dojo.style(el, "top", t);
}
function xMoveTo(el, x, y) {
    dojo.style(el, "left", x);
    dojo.style(el, "top", y);
}
function xHeight(el, h) {
	if (h === undefined) {
		return el.offsetHeight;
	} else {
		dojo.style(el, "height", h < 0 ? 0 : (h + "px"));
		return h;
	}
}
function xWidth(el, w) {
	if (w === undefined) {
		return el.offsetWidth;
	} else {
		dojo.style(el, "width", w < 0 ? 0 : (w + "px"));
		return w;
	}
}
function xResizeTo(el, w, h) {
    xHeight(el, h);
    xWidth(el, w);
}
function xPageX(el) {
    return dojo.coords(el).x;
}
function xPageY(el) {
    return dojo.coords(el).y;
}
function xNum() {
    for (var i=0,len=arguments.length;i<len;++i) {if (typeof arguments[i]!=="number"||isNaN(arguments[i])) {return false;}}
    return true;
}
function xStr() {
    for (var i=0,len=arguments.length;i<len;++i) {if (typeof arguments[i]!=="string") {return false;}}
    return true;
}
function xDef() {
    for (var i=0,len=arguments.length;i<len;++i) {if (arguments[i]===undefined) {return false;}}
    return true;
}
function xOffsetLeft(el) {
	el = dojo.byId(el);
    if (!el) {
		return 0;
	}
    return el.offsetLeft;
}
function xOffsetTop(el) {
	el = dojo.byId(el);
    if (!el) {
		return 0;
	}
    return el.offsetTop;
}
function xClientWidth() {
	if (window.innerWidth) {
        return window.innerWidth;
    } else if (document.documentElement.clientWidth !== 0) {
        return document.documentElement.clientWidth; //IE standards
    } else {
        return document.body.clientWidth; //IE quirks
    }
}
function xClientHeight() {
	if (window.innerHeight) {
		return window.innerHeight;
    } else if (document.documentElement.clientHeight !== 0) {
        return document.documentElement.clientHeight; // IE strict mode
    } else {
        return document.body.clientHeight; //IE quirks
    }
}
function xScrollLeft(e, bWin) {
	var offset = 0;
	if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
		var w = window;
		if (bWin && e) {
			w = e;
		}
		if (w.document.documentElement && w.document.documentElement.scrollLeft) {
			offset = w.document.documentElement.scrollLeft;
		} else if (w.document.body && xDef(w.document.body.scrollLeft)) {
			offset = w.document.body.scrollLeft;
		}
	} else {
		e = dojo.byId(e);
		if (e && xNum(e.scrollLeft)) {
			offset = e.scrollLeft;
		}
	}
	return offset;
}
function xScrollTop(e, bWin) {
	var offset = 0;
	if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
		var w = window;
		if (bWin && e) {
			w = e;
		}
		if (w.document.documentElement && w.document.documentElement.scrollTop) {
			offset = w.document.documentElement.scrollTop;
		} else if (w.document.body && xDef(w.document.body.scrollTop)) {
			offset = w.document.body.scrollTop;
		}
	} else {
		e = dojo.byId(e);
		if (e && xNum(e.scrollTop)) {
			offset = e.scrollTop;
		}
	}
	return offset;
}