ig_webpanel.js

研究怎样通过手写代码来完成自动生成代码

/* 
Infragistics WebPanel Script 
Version 5.1.20051.37
js-version 5.1.20051.18
Copyright (c) 2005 Infragistics, Inc. All Rights Reserved.
*/

function ig_CreateWebPanel(id,props){
	if(!ig_WebControl.prototype.isPrototypeOf(ig_WebPanel.prototype))
	{
		ig_WebPanel.prototype = new ig_WebControl();
		ig_WebPanel.prototype.constructor = ig_WebPanel;
		ig_WebPanel.prototype.base=ig_WebControl.prototype;

		ig_WebPanel.prototype.fireServerEvent	=function(eventName,data){	__doPostBack(this._uniqueID,eventName+":"+data);}
		ig_WebPanel.prototype.fireEvent			=function(clientEvent,evt)
												{
													if(clientEvent==null||this._isInitializing)return false;
													clientEvent._event.reset();
													clientEvent._event.event=evt;
													clientEvent._event.needPostBack=clientEvent._autoPostBack;
													ig_fireEvent(this,clientEvent._handler,clientEvent._event);
													if(!clientEvent._event.cancel&&clientEvent._event.needPostBack&&!clientEvent._event.cancelPostBack){this.fireServerEvent(clientEvent._eventName,clientEvent._getData())};
													return clientEvent._event.cancel;
												}
		ig_WebPanel.prototype.notifyExpandComplete=function(evt){return this.onExpanded(evt);}
		ig_WebPanel.prototype.getHeader			=function(){return this._header;}
		ig_WebPanel.prototype.onExpanding		=function(e){return this.fireEvent(this._clientSideEvents._expandedStateChanging,e);}
		ig_WebPanel.prototype.onExpanded		=function(e){this._header._element.className=this.getExpanded()?this._header._expandedClass:this._header._collapsedClass; return this.fireEvent(this._clientSideEvents._expandedStateChanged,e);}
		ig_WebPanel.prototype.updateState		=function(propName,value){ig_ClientState.setPropertyValue(this.getViewState(),propName,value);this.updatePostField();}
		ig_WebPanel.prototype.updatePostField	=function(){this._hiddenField.value=ig_ClientState.getText(this.getStateBag());}
		ig_WebPanel.prototype.getStateBag		=function(){if(this._stateBag==null)this._stateBag=ig_ClientState.createRootNode();return this._stateBag;}
		ig_WebPanel.prototype.getViewState		=function(){if(this._viewState==null)this._viewState=ig_ClientState.addNode(this.getStateBag(),"WebPanel");return this._viewState;}
		ig_WebPanel.prototype.getEnabled		=function(){return !(this._element.disabled);}
		ig_WebPanel.prototype.setEnabled		=function(enable){this._element.disabled=!enable;this.updateState("Enabled",enable);}
		ig_WebPanel.prototype.getExpandEffect	=function(){return this._expandEffect}
		ig_WebPanel.prototype.setExpandEffect	=function(effect){this._expandEffect=effect;this.updateState("ExpandEffect",effect);}		
		ig_WebPanel.prototype.getExpanded		=function(){return this._contentPanelElement.style.display!="none";}
		ig_WebPanel.prototype.setExpanded		=function(expand,evt)
												{
													var useEffect=this._expandEffect==1 && this._expandEffectSupported&&!this._isInitializing;
													if(this.getExpanded()==expand)return;
													this.updateState("Expanded",expand?"true":"false");
													if(this.onExpanding(evt))return;
													this.switchExpansionIndicator(expand);
													if(expand && !useEffect){
														if(this._preCollapseHeight!=null)this._element.style.height=this._preCollapseHeight;
													}else{
														this._preCollapseWidth=this._element.offsetWidth;
														if(this._element.style.height!=null){
															this._preCollapseHeight=parseInt(this._element.style.height?this._element.style.height:this._element.offsetHeight);
															if(!useEffect)this._element.style.height=this._headerElement.offsetHeight;
														}
													}
													var row=this._contentPanelElement.parentNode;

													if(expand)this.adjustSizes(true);
													
													if(useEffect ){
														if(this._expandEffectGenerator==null)this._expandEffectGenerator=new igpnl_ExpandEffectGenerator(this);
														this._expandEffectGenerator.expand(expand,evt);
													}else{
														if(!expand)this.adjustSizes(false);
														this.onExpanded(evt);
													}
												}
		ig_WebPanel.prototype.switchExpansionIndicator=function(expand)
												{
													var img=this._header._imageElement;
													var imgSrc=(expand?img.getAttribute("expandedUrl"):(img.getAttribute("collapsedUrl")?img.getAttribute("collapsedUrl"):img.getAttribute("expandedUrl")));
													if(imgSrc)img.src=imgSrc;
												}										
		ig_WebPanel.prototype.adjustSizes		=function(expand)
												{
													var row=this._contentPanelElement.parentNode;
													if(!expand){											
														this._contentPanelElement.style.display=row.style.display="none";
														if(this._element.offsetWidth<this._preCollapseWidth)this._element.style.width=this._preCollapseWidth;
														this._element.style.height=this._headerElement.offsetHeight;
													}else{
														this._contentPanelElement.style.display=row.style.display="";
													}
												}
		ig_WebPanel.prototype.getVisible		=function(){return this._element.style.display!="none";}
		ig_WebPanel.prototype.setVisible		=function(show){ this._element.style.display=(show?"":"none");this.updateState("Visible",show);}
		ig_WebPanel.prototype.init				=function(id,props)
												{
													this.base.init.apply(this,[id]);
													this._isInitializing=true;
													this.Type="WebPanel";
													if(props!=null&&props.length){
														this._expandEffectSupported	= !((navigator.userAgent.toLowerCase().indexOf("win98")!=-1) || (navigator.userAgent.toLowerCase().indexOf("windows 98")!=-1));
														this._uniqueID				=props[0];
														this._clientID				=props[1];
														this._expanded				=props[2];
														this._enabled				=props[3];
														this._expandEffect			=props[4];
														this._element				=ig.getElementById(this._clientID);
														this._contentPanelElement	=ig.getElementById(id+"_content");
														this._headerElement			=ig.getElementById(id+"_header");
														this._clientSideEvents		=new igpnl_ClientSideEvents(this,props[5]);
														this._panelClass			=props[6];
														this._header				=new ig_PanelHeader(this,this._headerElement,props[7]);
														this._hiddenField			=ig.getElementById(this._uniqueID+"_hidden");
														if(this._hiddenField==null)
															this._hiddenField=(typeof(document.getElementsByName)!="undefined"?(document.getElementsByName(this._uniqueID+"_hidden"))[0]:null);
														if(!this._expanded)this.setExpanded(this._expanded);
														if(!this._enabled)this.setEnabled(this._enabled);
													}
													this._isInitializing=false;
												}//init()
	}
	return new ig_WebPanel(id, props);
}
function ig_WebPanel(id,props){
	if(arguments.length>0)this.init(id,props);
}
function igpnl_getPanelById(id){
	return ig_getWebControlById(id);
}
igpnl_ClientSideEvents.prototype.constructor=igpnl_ClientSideEvents;
igpnl_ClientSideEvents.prototype.init=function(panel,props){
	this._panel=panel;
	this._expandedStateChanging=new igpnl_ClientSideEvent(this._panel,props[0],"ExpandedStateChanging");
	this._expandedStateChanging._getData=function(){return !this._panel.getExpanded();}
	this._expandedStateChanged=new igpnl_ClientSideEvent(this._panel,props[1],"ExpandedStateChanged");
	this._expandedStateChanged._getData=function(){return this._panel.getExpanded();}
}
function igpnl_ClientSideEvent(panel,props,name){
	this._panel=panel;
	this._handler=props[0];
	this._autoPostBack=props[1];
	this._eventName=name;
	this._event=new ig_EventObject();
}
function igpnl_ClientSideEvents(panel,props){
	if(arguments.length<2)return;
	this.init(panel,props);
}
ig_PanelHeader.prototype.constructor=ig_PanelHeader;
ig_PanelHeader.prototype.onMouseOver			=function(evt){if(!this.getEnabled())return; this._header._element.className+=" "+this._header._hoverClass;}
ig_PanelHeader.prototype.onMouseOut				=function(evt){if(!this.getEnabled())return; this._header._element.className=this._header._panel.getExpanded()?this._header._expandedClass:this._header._collapsedClass;}
ig_PanelHeader.prototype.onButtonClick			=function(evt){var panel=igpnl_getCallBackObject(evt);if(panel!=null&&panel.getEnabled()){panel.setExpanded(!panel.getExpanded(),evt);}}
ig_PanelHeader.prototype.onHeaderDoubleClick	=function(evt){var panel=igpnl_getCallBackObject(evt);if(panel!=null&&panel.getEnabled()){panel.setExpanded(!panel.getExpanded(),evt);}}
ig_PanelHeader.prototype.setVisible				=function(show){this._element.style.display=(show?"":"none");}
ig_PanelHeader.prototype.getVisible				=function(){return this._element.style.display!="none";}
function igpnl_getCallBackObject(evt)
{