ig_weblistbar2_2.js

研究怎样通过手写代码来完成自动生成代码

/* 
Infragistics Listbar Script 
Version 5.1.20051.37
js-version 2.2.20042.1035
Copyright (c) 2002-2004 Infragistics, Inc. All Rights Reserved.
*/
var iglbar_AllowMove=0;
var iglbar_SourceGroup;
var iglbar_CloneGroup;
var iglbar_CurrentX=0;
var iglbar_CurrentY=0;
var iglbar_moveLsnr = false;
var iglbar_all=new Array();
//Return an UltraWebListbar object
function iglbar_getListbarById(id){
	lbid=id.split("_")[0];
	if(lbid.length == 0) return null;
	lbarObj=eval(lbid+"_obj");
	if(lbarObj==null){
		lbarObj= new UltraWebListbar(lbid,eval(lbid+"_groupsArray"));
		lbarObj.Element.style.display="";
		if(lbarObj.Events!=null&&lbarObj.Events.InitializeListbar!=null)ig_fireEvent(lbarObj,lbarObj.Events.InitializeListbar[0]);
		iglbar_all.push(lbarObj);
	}
	return lbarObj;
}
//Return an iglbar_Group object associated with the specified id. 
function iglbar_getGroupById(id){
	var parts=id.split("_");
	var barId=parts[0];
	var bar=iglbar_getListbarById(barId);
	if(bar == null) return null;
	return bar.Groups[parts[2]];
}
//Return an iglbar_Item object associated with the specified id.
function iglbar_getItemById(id){
	var parts=id.split("_");
	var barId=parts[0];
	var bar=iglbar_getListbarById(barId);
	if(bar == null) return null;
	return bar.Groups[parts[1]].Items[parts[3]];	
}
//Arranges Listbar group buttons so that selected button is the last button shown
//in the Top button area, and shows it's items.
function iglbar_adjust(lbar){
	var i=0;
	var moveToBottom=false;
	var group=new Array(2);
	while(lbar.Groups[i]!=null){
		group[0]=ig_csom.getElementById(lbar.Groups[i].Id+"_top_tr");
		group[1]=ig_csom.getElementById(lbar.Groups[i].Id+"_bottom_tr");
		
		ig_csom.getElementById(lbar.Id+"_Items_"+i.toString()).style.display="none";
		if(!moveToBottom){
			if(lbar.Groups[i]==lbar.SelectedGroup){
				moveToBottom=true;
				ig_csom.getElementById(lbar.Id+"_Items_"+i.toString()).style.display="";
			}
			group[0].style.display="";
			group[1].style.display="none";
		}
		else{
			if(ig_csom.getElementById(lbar.Id+"_BotGroup").style.display=="none")ig_csom.getElementById(lbar.Id+"_BotGroup").style.display="";
			group[1].style.display="";
			group[0].style.display="none";
		}
		i++; 
	}
	ig_csom.getElementById(lbar.Id+"_Items").className=lbar.SelectedGroup.GroupStyleClassName;
}
//Internal Use Only
function iglbar_evt(e)
{
	if(e == null) if((e = window.event) == null) return;
	var o, src = e.srcElement, type = e.type;
	if(src == null) if((src = e.target) == null) src = this;
	while((o = src.o) == null) if((src = src.parentNode) == null) return;
	//i: 0-item, 1-explHead, 2-listGroup
	var a = src.accessKey, i = (o.Items == null) ? 0 : 1;
	if(i == 1 && o.getExpanded == null) i = 2;
	//o.ak: 0-focus,1-keydown, 2-keyup
	if(type == "keyup" && ig_csom.notEmpty(a) && o.ak != 2)
	{
		var k = e.keyCode;
		if(!e.altKey) k = 0;
		else if(o.ak == 1 && !(a.charCodeAt(0) == k || (k == 186 && a == ";") || (k == 187 && a == "=") || (k == 188 && a == ",") || (k == 189 && a == "-") || (k == 191 && a == "/") || (k == 219 && a == "[") || (k == 221 && a == "]"))) k = 0;
		o.ak = 2;
		if(k == 0) return;
		if(i == 0) type = "mousedown";
		else type = (i == 1 && o.Control.HeaderClickAction != 0) ? "dblclick" : "click";
	}
	switch(type)
	{
		case "focus": o.ak = 0; return;
		case "keydown": o.ak = 1; return;
		case "mouseover":
			if(i == 0) iglbar_itemMouseOver(e, src, o);
			else if(i == 1) iglbar_groupHeaderMouseOver(e, src, o);
			else iglbar_groupButtonMouseOver(e, src, o);
			return;
		case "mouseout":
			if(i == 0) iglbar_itemMouseOut(e, src, o);
			else if(i == 1) iglbar_groupHeaderMouseOut(e, src, o);
			else iglbar_groupButtonMouseOut(e, src, o);
			return;
		case "mousedown":
			if(i == 0) iglbar_itemClicked(e, src, o);
			else iglbar_pickupGroup(e, src, o);
			return;
		case "click":
			if(i == 1) iglbar_headerClick(e, src, o);
			else iglbar_groupButtonClicked(e, src, o);
			return;
		case "dblclick": iglbar_headerDoubleClick(e, src, o); return;
		case "selectstart": if(src.tagName != "INPUT") ig_cancelEvent(e); return;
	}
}
//i: 1-key/focus/out/over, 2-down, 4-click, 8-dbl
function iglbar_addLsnr(e, o, i)
{
	if(e == null) return;
	e.o = o;
	if((i & 1) != 0)
	{
		ig_csom.addEventListener(e, "mouseout", iglbar_evt);
		ig_csom.addEventListener(e, "mouseover", iglbar_evt);
		ig_csom.addEventListener(e, "keyup", iglbar_evt);
		ig_csom.addEventListener(e, "keydown", iglbar_evt);
		ig_csom.addEventListener(e, "focus", iglbar_evt);
	}
	if((i & 2) != 0) ig_csom.addEventListener(e, "mousedown", iglbar_evt);
	if((i & 4) != 0) ig_csom.addEventListener(e, "click", iglbar_evt);
	if((i & 8) != 0) ig_csom.addEventListener(e, "dblclick", iglbar_evt);
}
function iglbar_groupHeaderMouseOver(e, src, group)
{
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.MouseOver[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(group==null||!group.getExpanded()||!group.getEnabled())return;
	src.className=group.HeaderAppearance.HoverAppearance.ClassName;
	if(group.HeaderAppearance.HoverAppearance.ImageUrl)group.HeaderAppearance.Image.src=group.HeaderAppearance.HoverAppearance.ImageUrl;
}
//Internal Use Only
function iglbar_groupHeaderMouseOut(e, src, group)
{
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.MouseOut[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(group==null||!group.getEnabled())return;
	
	var currentAppearance=group.getExpanded()?group.HeaderAppearance.ExpandedAppearance:group.HeaderAppearance.CollapsedAppearance;
	src.className=currentAppearance.ClassName;
	if(group.HeaderAppearance.Image!=null){
		group.HeaderAppearance.Image.src=currentAppearance.ImageUrl;
	}
}
//Internal Use Only
function iglbar_headerClick(e, src, group)
{
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.HeaderClick[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(group.getEnabled())iglbar_navigate(group.TargetUrl,group.TargetFrame);
	if(group.Control.HeaderClickAction==0&&group.getEnabled())
		iglbar_toggleGroup(e,src);
}
//Internal Use Only
function iglbar_headerDoubleClick(e, src, group)
{
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.HeaderDoubleClick[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(group.Control.HeaderClickAction!=2&&group.getEnabled())
		iglbar_toggleGroup(e,src);
}
//Internal Use Only
function iglbar_groupButtonClicked(e, src, group)
{
	if(group==group.Control.SelectedGroup||!group.getEnabled())return;
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.BeforeGroupSelected[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	group.setSelected(true);	
	iglbar_navigate(group.TargetUrl,group.TargetFrame);
	if(oEvent==null)oEvent=new ig_EventObject();
	oEvent.reset();
	oEvent.event=e;
	iglbar_fireEvent(group.Control,group.Control.Events.AfterGroupSelected[0],group,e,oEvent);
	if(oEvent!=null&&oEvent.needPostBack) group.Control.doPost(group.Id + ":GroupSelected");
}
//Internal Use Only
function iglbar_groupButtonMouseOver(e, src, group)
{
	if(group.getSelected()||!group.getEnabled())return;
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.MouseOver[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	src.className=group.ButtonHoverStyleClassName;
}
//Internal Use Only
function iglbar_groupButtonMouseOut(e, src, group)
{
	var oEvent=iglbar_fireEvent(group.Control,group.Control.Events.MouseOut[0],group,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(group==null||group.getSelected()||!group.getEnabled())return;
	src.className=group.ButtonStyleClassName;
}
//Internal Use Only
function iglbar_itemClicked(e, src, item)
{
	if(!item.getEnabled() || item.getSelected())return;
	var oEvent=iglbar_fireEvent(item.Group.Control,item.Group.Control.Events.BeforeItemSelected[0],item,e);
	if(oEvent!=null&&oEvent.cancel) return;
	item.setSelected(true);
	if(oEvent==null)oEvent=new ig_EventObject();
	oEvent.reset();
	oEvent.event=e;
	iglbar_fireEvent(item.Group.Control,item.Group.Control.Events.AfterItemSelected[0],item,e,oEvent);
	if(oEvent!=null&&oEvent.needPostBack) item.Group.Control.doPost(item.Id + ":ItemSelected");
}
//Internal Use Only
function iglbar_itemMouseOver(e, src, item)
{
	var oEvent=iglbar_fireEvent(item.Group.Control,item.Group.Control.Events.MouseOver[0],item,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(item.getSelected()||!item.getEnabled())return;
	if(item.Group.ItemSelectionStyle==1&&item.getImage()!=null)
		item.getImage().className=item.HoverStyleClassName;
	else src.className=item.HoverStyleClassName;
}
//Internal Use Only
function iglbar_itemMouseOut(e, src, item)
{
	var oEvent=iglbar_fireEvent(item.Group.Control,item.Group.Control.Events.MouseOut[0],item,e);
	if(oEvent!=null&&oEvent.cancel) return;
	if(item.getSelected()||!item.getEnabled())return;
	if(item.Group.ItemSelectionStyle==1&&item.getImage()!=null)
		item.getImage().className=item.DefaultStyleClassName;
	else src.className=item.DefaultStyleClassName;
}
function iglbar_navigate(targetUrl,targetFrame){
	ig_csom.navigateUrl(targetUrl,targetFrame);
}

/**
* Listbar constructor.  Creates a new Listbar object with the specified id
* and Groups array.
* @param id - id of the Listbar control.
* @param groups - array of groups.  Depending on the ViewType, the groups
* could either be of type iglbar_ExplorerBarGroup or iglbar_ListbarGroup
**/

function UltraWebListbar(id,groups){
	//isInitializing is used so that events do not fire during initialization.
	this.isInitializing=true;
	this.Element=ig_csom.getElementById(id);
	ig_csom.addEventListener(this.Element, "selectstart", iglbar_evt);
	var selGr, props=eval(id+"_propsArray");
	this.Id=id;
	this.uniqueID=eval(id+"UniqueID");
	this.Groups=groups;
	var events=eval(id+"_eventArray");
	if(events==null)return;
	this.Events=new iglbar_Events(events);
	//listbar
	if((this.ViewType = props[3]) == 0)
	{
		var selItem = props[2].split("i");
		selGr = this.Groups[selItem[0]];
		this.SelectedItem = selGr.Items[selItem[1]];
	}
	this.SelectedGroup = selGr = this.Groups[props[1]];
	if(selGr != null)
	{
		//explorer
		if(this.ViewType != 0) this.SelectedItem = selGr.Items[props[2]];
		selGr.selected = true;
	}
	this.findControl=function(id)
	{
		var control;
		var groupIndex=0;
		while(this.Groups[groupIndex]!=null)
		{
			control=this.Groups[groupIndex].findControl(id);
			if(control!=null)return control;
			groupIndex++;
		}
	}
	this.enabled=props[4];
	this.getEnabled=function(){return this.enabled;}