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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2000 Blacksmith, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/
package net.wotonomy.web;
import net.wotonomy.foundation.NSDictionary;
import net.wotonomy.foundation.NSMutableDictionary;
public class WOSwitchComponent extends WODynamicElement {
private NSMutableDictionary elements;
private String currentName;
private WOElement currentElement;
protected WOSwitchComponent()
{
super();
elements = new NSMutableDictionary();
}
public WOSwitchComponent(String aName, NSDictionary aMap, WOElement template)
{
super(aName, aMap, template);
elements = new NSMutableDictionary();
}
private WOElement getCurrentElement( WOContext c )
{
String name = stringForProperty( "WOComponentName", c.component() );
if ( name == null ) return null;
if ( currentElement != null && name.equals( currentName ) ) return currentElement;
currentName = name;
currentElement = (WOElement) elements.objectForKey( name );
if ( currentElement == null )
{
currentElement = WOApplication.application().pageWithName( name, c );
if ( currentElement != null )
{
currentElement.associations = associations;
elements.setObjectForKey( currentElement, name );
}
}
return currentElement;
}
void ensureAwakeInContext (WOContext aContext)
{
if ( aContext != null )
{
WOElement element = getCurrentElement( aContext );
if ( element != null )
{
aContext.pushElement( element );
element.ensureAwakeInContext( aContext );
aContext.popElement();
}
}
}
public void takeValuesFromRequest(WORequest r, WOContext c)
{
WOElement element = getCurrentElement( c );
if ( element != null )
{
c.pushElement( element );
element.takeValuesFromRequest( r, c );
c.popElement();
}
}
public WOActionResults invokeAction(WORequest r, WOContext c)
{
WOActionResults result = null;
WOElement element = getCurrentElement( c );
if ( element != null )
{
c.pushElement( element );
result = element.invokeAction( r, c );
c.popElement();
}
return result;
}
public void appendToResponse(WOResponse r, WOContext c)
{
WOElement element = getCurrentElement( c );
if ( element != null )
{
c.pushElement( element );
element.appendToResponse( r, c );
c.popElement();
}
}
}
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