ig_webtree.js

研究怎样通过手写代码来完成自动生成代码

		return;
	var src=igtree_getElementById(igtree_editControl.getAttribute("currentNode"));
	var node=igtree_getNodeById(src.id);
	src=igtree_getNodeSpan(src);
	if(igtree_fireEvent(tn,igtree_treeState[tn].Events.EditKeyUp,"(\""+tn+"\",\""+node.getElement().id+"\","+evnt.keyCode+")"))
		return;
	if(igtree_IE)
		evnt.cancelBubble=true;
}

// private - Initializes a Node object with properties and method references
function igtree_initNode(node)
{
	this.element=node;
	this.Element=node;
	this.Id = node.id;
	this.WebTree = igtree_getTreeByNodeId(this.Element.id);
	this.getTreeId=igtree_getTreeId;
	this.getElement=igtree_getElement;
	this.getText=igtree_getText;
	this.setText=igtree_setText;
	this.getClass=igtree_getClass;
	this.setClass=igtree_setClass;
	this.getTag=igtree_getTag;
	this.setTag=igtree_setTag;
	this.getDataKey=igtree_getDataKey;
	this.getHiliteClass=igtree_getHiliteClass;
	this.setHiliteClass=igtree_setHiliteClass;
	this.getHoverClass=igtree_getHoverClass;
	this.setHoverClass=igtree_setHoverClass;
	this.getEnabled=igtree_getEnabled;
	this.setEnabled=igtree_setEnabled;
	this.getTargetFrame=igtree_getTargetFrame;
	this.setTargetFrame=igtree_setTargetFrame;
	this.getTargetUrl=igtree_getTargetUrl;
	this.setTargetUrl=igtree_setTargetUrl;
	this.hasChildren=igtree_hasChildren;
	
	this.getExpanded=igtree_getExpanded;
	this.setExpanded=igtree_setExpanded;
	this.getSelected=igtree_getSelected;
	this.setSelected=igtree_setSelected;
	this.getChecked=igtree_getChecked;
	this.setChecked=igtree_setChecked;
	this.hasCheckbox=igtree_hasCheckbox;
	
	this.getNextSibling=igtree_getNodeNextSibling;
	this.getPrevSibling=igtree_getNodePrevSibling;
	this.getFirstChild=igtree_getNodeFirstChild;
	this.getParent=igtree_getNodeParent;
	this.getChildNodes=igtree_getChildNodes;
	this.getLevel = function () {
		var nodeName=this.element.id.split("_")
		if(nodeName.length>1)
		{
			return nodeName.length - 2;			
		}
	}
	this.getIndex = function () {
		var index=0;
		var nodeName=this.element.id.split("_")
		if(nodeName.length>1)
		{
			index = parseInt(nodeName[nodeName.length-1]);
			return index-1;
		}
	}
	this.update = function (propName, propValue) {
		if(this.WebTree.suspendUpdates == true)
			return;
		if(propName == 'Remove') {
			var nodestate = ig_ClientState.addNode(this.WebTree.nodeState, this.Id);
			ig_ClientState.setPropertyValue(nodestate,propName,propValue);
		}
		else {
		if(this.nodeState == null)
			this.nodeState = ig_ClientState.addNode(this.WebTree.nodeState, this.Id);
			ig_ClientState.setPropertyValue(this.nodeState,propName,propValue);
		}
		if(this.WebTree.postField!=null)
			this.WebTree.postField.value = ig_ClientState.getText(this.WebTree.stateItems);	
	}
	this.insertChild=function(beforeIndex, text, className) {
		return this.WebTree._insert(this, beforeIndex, text, className);
	}
	this.addChild=function(text, className) {
		return this.WebTree._insert(this, -1, text, className);
	}
	this.removeChild=function(index) {
		var node = this.getNodes()[index];
		if(node)
			node.remove();
		ig_dispose(node);
	}
	this.edit=function() {
		igtree_beginedit(this.WebTree.Id,this.Id)
	}
	
	this.scrollIntoView=function() {
		igtree_scrollToView(this.WebTree.Element,this.Element)
	}

	
	this.remove=function() {
		var nodeArrayDeletionQueue=new Array();
		var index = this.getIndex();
		var nodeId = this.Element.id;
		var removeTop = false;
		var nextTop = null;
		var prevTop = null;
		var tree = this.WebTree;
		if(tree._removeProcess == null) {
			removeTop = true;
			tree._removeProcess = true;
			nextTop = this.getNextSibling();
			prevTop = this.getPrevSibling();
			this.update("Remove", "1");
		}
			
		var node = this.getFirstChild();
		while(node) {
			var next = node.getNextSibling();	
			node.remove();
			node.WebTree=null;
			nodeArrayDeletionQueue.push(node);
			node = next;
		}
		ig_dispose(nodeArrayDeletionQueue);
		var next = this.Element.nextSibling;
		
		var nParent = this.Element.parentNode;
		if (nParent) nParent.removeChild(this.Element);

		if(next && next.id.indexOf("M_")==0)
		{
			nParent = next.parentNode;
			if (nParent) nParent.removeChild(next);
		}
		var parentNode = this.getParent();
		if(removeTop == true) {
			tree._removeProcess = null;
			if(tree.ClassicTree) {
				if(nextTop)
					igtree_updateNodeLines(tree, nextTop);
				if(prevTop)
					igtree_updateNodeLines(tree, prevTop);
			}
			if(!nextTop && !prevTop) {
				if(parentNode) {
					next = parentNode.Element.nextSibling;
					if(next && next.id.indexOf("M_")==0)
					{
						nParent = next.parentNode;
						if (nParent) nParent.removeChild(next);
					}
					if(tree.ClassicTree) 
						igtree_updateNodeLines(tree, parentNode);
				}
			}
			
		}
		var nodeElements;
		if(parentNode == null) {
			nodeElements = igtree_getChildNodeElements(tree, null);
		}
		else {
			nodeElements = igtree_getChildNodeElements(tree, parentNode.Element);
			if(nodeElements.length == 0) {
				if(!tree.ClassicTree && tree.Expandable) {
					if(parentNode.Element.childNodes[1].imgType == "exp") {
						parentNode.Element.childNodes[2].innerHTML="";
						parentNode.Element.removeChild(parentNode.Element.childNodes[1]);
						parentNode.Element.removeChild(parentNode.Element.childNodes[1]);
						parentNode.Element.childNodes[0].style.width="16px";
					}
				}
			}
		}
		var parentId = this.Element.id;
		var ptr = parentId.lastIndexOf("_");
		parentId = parentId.substring(0, ptr);
		
		igtree_setChildIds(tree, nodeElements, index, parentId);
		var selNode = tree.getSelectedNode();
		if(selNode && (nodeId == selNode.Id))
			tree.setSelectedNode(null);
	}
	this.isChildOf = function (parent) {
		if(parent == null || typeof(parent) != "object")
			return false;
		if(this.Id.search(parent.Id) == 0) 
		   return true; 
		return false;
	}
}

function igtree_getElement() {
	return this.element;
}
function igtree_getTreeId() {
	var treeName = this.element.id;
	var strArray = treeName.split("_");
	treeName = strArray[0];
	return treeName;
}
function igtree_getText() {
	var e = ig_getNodeTextElement(this);
	return e.innerHTML;
}
function igtree_setText(text) {
	var e = ig_getNodeTextElement(this);
	e.innerHTML=text;
	this.update("Text", text);
}
function igtree_getClass() {
	var e = ig_getNodeTextElement(this);
	return e.className;
}
function igtree_setClass(className) {
	var e = ig_getNodeTextElement(this);
	var oldClass = e.className;
	if(this.WebTree.getSelectedNode() == this)
		this.element.setAttribute("igtInitClass",className);
	else
		e.className=className;
}
function igtree_getTag() {
	var a = this.element.getAttribute("igTag");
	if(a!=null && a.length>0)
		return a;
	else
		return null;
}
function igtree_setTag(text) {
	this.element.setAttribute("igTag", text);
	this.update("Tag", text);
}
function igtree_getDataKey() {
	var a = this.element.getAttribute("igDataKey");
	if(a!=null && a.length>0)
		return a;
	else
		return null;
}
function igtree_getHiliteClass() {
	return this.element.getAttribute("HiliteClass")
}
function igtree_setHiliteClass(hiliteClass) {
	this.element.setAttribute("HiliteClass", hiliteClass)
}
function igtree_getHoverClass() {
	return this.element.getAttribute("HoverClass")
}
function igtree_setHoverClass(hoverClass) {
	this.element.setAttribute("HoverClass", hoverClass)
}
function igtree_getEnabled() {
	return(this.element.getAttribute("nodeDisabled")?false:true);
}
function igtree_setEnabled(enabled) {
	var i;
	var nodeSpan = null;
	var checkbox = null;
	for(i=0; i < this.element.childNodes.length; i++) {
		var attrib = this.element.childNodes[i].getAttribute("igTxt");
		var chk = this.element.childNodes[i].getAttribute("igChk");
		if(chk!=null && chk.length>0)
			checkbox = this.element.childNodes[i];
		if(attrib=="1")
			nodeSpan = this.element.childNodes[i];
	}
	if(nodeSpan != null) {
		if(enabled == true) {
			this.element.removeAttribute("nodeDisabled");
			var oldClass = nodeSpan.getAttribute("oldEnabledClass");
			if(oldClass != null && oldClass.length > 0) {
				nodeSpan.className=oldClass;
				nodeSpan.removeAttribute("oldEnabledClass");
			}
			if(checkbox!=null)
				checkbox.disabled = false;
		}
		else {
			var ts = igtree_getTreeById(this.getTreeId());
			var disabledClass = ts.DisabledClass;
			this.element.setAttribute("nodeDisabled", "1");
			var oldClass = nodeSpan.className;
			nodeSpan.className=disabledClass;
			nodeSpan.setAttribute("oldEnabledClass", oldClass);
			this.element.removeAttribute("igtInitClass");
			if(checkbox!=null)
				checkbox.disabled = true;
		}
		this.update("Enabled", enabled);
	}
}
function igtree_getTargetFrame() {
	var frame = this.element.getAttribute("igFrame");
	if(ig_csom.notEmpty(frame))
		return frame;
	else
	if(ig_csom.notEmpty(this.WebTree.TargetFrame)) {
		return this.WebTree.TargetFrame;
	}
	else
		return null;
}
function igtree_setTargetFrame(frame) {
	this.element.setAttribute("igFrame", frame)
	this.update("TargetFrame", frame);
}
function igtree_getTargetUrl() {
	var url = this.element.getAttribute("igUrl");
	if(ig_csom.notEmpty(url))
		return url;
	else
	if(ig_csom.notEmpty(this.WebTree.TargetUrl)) {
		return this.WebTree.TargetUrl;
	}
	else
		return null;
}
function igtree_setTargetUrl(url) {
	this.element.setAttribute("igUrl", url)
	this.update("TargetUrl", url);
}
function igtree_setChecked(bChecked, bFireCSOMEvent) {
	var node = this.element;
	var ts = igtree_getTreeByNodeId(node.id);	
	var index=1;
	var count=node.childNodes.length;
	for(index=1;index<count;index++) {
		var chk = node.childNodes[index].getAttribute("igChk");
		if(chk!=null && chk.length>0)
			break;
	}
	if(index >= count)
		return;
	eCheck = node.childNodes[index];
	if(bChecked==false) {
		eCheck.checked=false;
	}
	else {
		eCheck.checked=true;
	}
	if(bFireCSOMEvent!=false) {
		var tn = this.getTreeId();
		var nodeId = this.Id;
		if(igtree_fireEvent(tn,ts.Events.NodeChecked,"(\""+tn+"\",\""+nodeId+"\", eCheck.checked)")) {
			eCheck.checked = oldValue;
			return;
		}
	}	
	igtree_updateNodeCheck(ts, this.element.id, bChecked);
}

function igtree_getChecked() {
	var node = this.element;
	var index=1;
	var count=node.childNodes.length;
	for(index=1;index<count;index++) {
		var chk = node.childNodes[index].getAttribute("igChk");
		if(chk!=null && chk.length>0)
			break;
	}
	return this.element.childNodes[index].checked;
}
function igtree_hasCheckbox() {
	var index;
	for(index=1;index<this.element.childNodes.length;index++) {
		var chk = this.element.childNodes[index].getAttribute("igChk");
		if(chk!=null && chk.length>0)
			return true;
	}
	return false;
}
function igtree_hasChildren() {
	if(this.element.nextSibling && this.element.nextSibling.id == "M_"+this.element.id)
		return true;
	else
		return false;
}

function igtree_hasChildrenElements(nodeElement) {
	if(nodeElement.nextSibling && nodeElement.nextSibling.id == "M_"+nodeElement.id)
		return true;
	else
		return false;
}

function igtree_getExpanded() {
	var expEl=igtree_getElementById("M_"+this.element.id);
	if(expEl != null)
		return(expEl.style.display!="none");
	else
		return false;
}
function igtree_setExpanded(expand) {
	if(expand == true)
		igtree_expandNode(this);
	else
		igtree_collapseNode(this);
}
function igtree_getSelected() {
	var treeName = this.element.id;
	var strArray = treeName.split("_");
	treeName = strArray[0];
	return (this.Element==igtree_selectedNode(treeName));
}
function igtree_setSelected(bSelect) {
	var treeName = this.element.id;
	var strArray = treeName.split("_");
	treeName = strArray[0];
	if(bSelect) {
		igtree_setSelectedNode(treeName, this.element.id)
	}
	else {
		if(this.Element==igtree_selectedNode(treeName))
			igtree_setSelectedNode(treeName, null)
	}
}

// private - Initializes an event
function igtree_fireEvent(tn,eventObj,eventString)
{
	var ts=igtree_treeState[tn];
	var result=false;
	if(eventObj[0]!="")
		result=eval(eventObj[0]+eventString);
	if(ts.TreeLoaded && result!=true && eventObj[1]==1 && !ts.CancelPostBack)
		igtree_needPostBack(tn);
	ts.CancelPostBack=false;
	return result;
}

// private
var igtree_lastActiveTree="";
if(!igtree_IE)
	if(window.addEventListener)
		window.addEventListener('keydown',igtree_windowKeyDown,false);

// private
function igtree_windowKeyDown(evnt)
{
	if(igtree_lastActiveTree!="" && evnt.keyCode!=13)
		if(igtree_keydown(evnt,igtree_lastActiveTree)==true)
		{
			evnt.stopPropagation();
			evnt.preventDefault();
		}
}

// private
function igtree_initEvent(se)
{
	this.target=se;
}