jremextensiondoc.java

JRemoteControl is a simple Java&#8482 driven bluetooth remote control.It allows you to initiate virt

/*
 * JRemCntl - Copyright (C) 2007 Filippo Di Vattimo <[e-mail]>
 * See COPYING
 */

package fildiv.jremcntl.server.gui.model;

import fildiv.jremcntl.common.core.ConfigIntegrityInfo;
import fildiv.jremcntl.common.core.Extension;
import fildiv.jremcntl.common.core.SupportExtension;
import fildiv.jremcntl.server.core.JRemExtension;
import fildiv.jremcntl.server.gui.core.AbstractDocument;
import fildiv.jremcntl.server.gui.core.Document;
import fildiv.jremcntl.server.gui.core.DocumentEvent;
import fildiv.jremcntl.server.gui.core.DocumentListener;
import fildiv.jremcntl.server.gui.core.DocumentModifiedEvent;

public class JRemExtensionDoc extends AbstractDocument implements Extension {

	public static final int MODIFIED_CONTENT_TYPE_CHILDREN = 1;
	
	private SupportExtension parent;

	private JRemExtension ext;
	private Document extDoc;
	private DocumentListener listener;
	
	public JRemExtensionDoc(SupportExtension parent, JRemExtension ext) {
		
		if (ext == null || parent == null)
			throw new IllegalArgumentException("parent or ext cannot be null");
		
		this.parent = parent;
		
		listener = new DocumentListener() {

			public void actionPerformed(DocumentEvent event) {
				JRemExtensionDoc.this.actionPerformed(event);
			}
		};
		
		setImplObj(ext);
	}
	
	protected void actionPerformed(DocumentEvent event) {

		if (!(event instanceof DocumentModifiedEvent))
			return;
		
		fireModifyEvent(event, MODIFIED_CONTENT_TYPE_CHILDREN);
	}

	public String getClassName() {
		return ext.getFactory().getClass().getName();
	}

	public String getShortName() {
		return ext.getName();
	}

	public String getID() {
		return ext.getID();
	}

	public Object getImplObj() {
		return ext;
	}

	public void setImplObj(Object ext) {
		
		JRemExtension extension = (JRemExtension) ext;
		
		if (this.extDoc != null)
			this.extDoc.removeActionListener(listener);
		
		this.ext = extension;
		this.extDoc = (Document) extension.getDocument();
		if (this.extDoc != null)
			this.extDoc.addActionListener(listener);
		
		fireGenericModifyEvent();
	}

	public SupportExtension getContainer() {
		return parent;
	}

	public String getName() {
		return "Extension";
	}
	
	public boolean isModified() {
		
		if (super.isModified()) 
			return true;
		
		if (extDoc != null && extDoc.isModified())
			return true;

		return false;
	}
	
	public void resetState() {
		super.resetState();
		
		if (extDoc != null)
			extDoc.resetState();
	}

	public ConfigIntegrityInfo checkValid() {
		
		return ext.checkValid();
	}
}