/*
 * Copyright (c) 2005,2007 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.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;

import com.common.debug.Debug;
import com.foundation.tcv.swt.ILink;
import com.foundation.tcv.view.ViewMessage;

public class Link extends Component implements ILink, SelectionListener {
/**
 * Link constructor.
 */
public Link() {
	super();
}//Link()//
/**
 * Gets the SWT link that represents this link.
 * @return The SWT link providing visualization for this link.
 */
public org.eclipse.swt.widgets.Link getSwtLink() {
	return (org.eclipse.swt.widgets.Link) getSwtControl();
}//getSwtLink()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalViewInitialize()
 */
protected void internalViewInitialize() {
	getSwtLink().addSelectionListener(this);
	super.internalViewInitialize();
}//internalViewInitialize()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalViewRelease()
 */
protected void internalViewRelease() {
	if(getSwtLink() != null && !getSwtLink().isDisposed()) {
		getSwtLink().removeSelectionListener(this);
	}//if//
	
	super.internalViewRelease();
}//internalViewRelease()//
/* (non-Javadoc)
 * @see com.foundation.tcv.swt.client.AbstractComponent#internalProcessMessage(com.foundation.tcv.model.ViewMessage)
 */
public Object internalProcessMessage(ViewMessage viewMessage) {
	Object retVal = 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.Link(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//
		case MESSAGE_SET_TEXT: {
			getSwtLink().setText((String) viewMessage.getMessageData());
			break;
		}//case//
		default: {
			retVal = super.internalProcessMessage(viewMessage);
		}//default//
	}//switch//
	
	return retVal;
}//internalProcessMessage()//
/* (non-Javadoc)
 * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
 */
public void widgetDefaultSelected(SelectionEvent e) {
	//TODO: When is this called?//
	Debug.log("Default Selected Called <Why?>");
}//widgetDefaultSelected()//
/* (non-Javadoc)
 * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 */
public void widgetSelected(SelectionEvent e) {
	sendRoundTripMessage(MESSAGE_VIEW_SYNCHRONIZE_SELECTION, null, null);
}//widgetSelected()//
}//Link//