/*
 * Copyright (c) 2007,2009 Declarative Engineering LLC.
 * All rights reserved.  This program and the accompanying materials
 * are made available under the terms of the Declarative Engineering LLC
 * verson 1 which accompanies this distribution, and is available at
 * http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
 */
package com.foundation.tcv.swt.client;

import org.eclipse.swt.graphics.Image;

import com.foundation.tcv.swt.*;
import com.foundation.tcv.view.*;

public class Group extends Container implements IGroup, Component.IComponentListener {
/**
 * Group constructor.
 */
public Group() {
	super();
}//Group()//
/**
 * Gets the SWT Group that represents this group.
 * @return The SWT Group providing visualization for this group.
 */
public org.eclipse.swt.widgets.Group getSwtGroup() {
	return (org.eclipse.swt.widgets.Group) getSwtWidget();
}//getSwtGroup()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalViewInitialize()
 */
protected void internalViewInitialize() {
	//Register for image and title changes.  Note: it is not necessary to initialize the title & image since they will be updated on the container's refresh and an event will fire if they are anything other than null.//
	registerListener(this);
	
	if(getContainerTitle() != null) {
		getSwtGroup().setText(getContainerTitle());
	}//if//

	super.internalViewInitialize();
}//internalViewInitialize()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalViewRelease()
 */
protected void internalViewRelease() {
	super.internalViewRelease();
	unregisterListener(this);
}//internalViewRelease()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalViewSynchronize()
 */
protected void internalViewSynchronize() {
	super.internalViewSynchronize();
}//internalViewSynchronize()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalProcessMessage(com.foundation.tcv.model.ViewMessage)
 */
public Object internalProcessMessage(ViewMessage viewMessage) {
	Object result = null;
	
	switch(viewMessage.getMessageNumber()) {
		case MESSAGE_INITIALIZE: {
			if(getSwtControl() == null) {
				int[] data = (int[]) viewMessage.getMessageData();
				int style = data[1];
				
				//Link to the parent container.//
				setContainer((Container) getComponent(data[0]));
				getContainer().addComponent(this);
				//Create the SWT widget.//
				setSwtWidget(new org.eclipse.swt.widgets.Group(getContainer().getSwtParent(), style));
				getSwtWidget().setData(this);
				
				//If the container has already been initialized then force the parent to re-layout so that this component will appear.//
				if(getContainer().isInitialized()) {
					getContainer().getSwtComposite().layout(true, true);
				}//if//
			}//if//
			break;
		}//case//
		default: {
			result = super.internalProcessMessage(viewMessage);
		}//default//
	}//switch//
	
	return result;
}//internalProcessMessage()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.Component.IComponentListener#imageChanged(com.foundation.tcv.swt.client.Component, org.eclipse.swt.graphics.Image)
 */
public void imageChanged(Component component, Image newImage) {
	//Images not currently supported by Group.//
	//getSwtGroup().setImage(newImage);
}//imageChanged()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.Component.IComponentListener#titleChanged(com.foundation.tcv.swt.client.Component, java.lang.String)
 */
public void titleChanged(Component component, String newTitle) {
	getSwtGroup().setText(newTitle);
}//titleChanged()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.Component.IComponentListener#toolTipTextChanged(com.foundation.tcv.swt.client.Component, java.lang.String)
 */
public void toolTipTextChanged(Component component, String newToolTipText) {
	getSwtGroup().setToolTipText(newToolTipText);
}//toolTipTextChanged()//
}//Group//