modelcontainereditpart.java

一个eclipse插件源代码。用于web开发

/*
 * $Header: /home/cvs/WEBPUMP2.0/WebPumpIDE_Src/WebPumpIDE/src/com/webpump/ui/gefmodule/edit/ModelContainerEditPart.java,v 1.1.1.1 2004/07/01 09:07:47 wang_j Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/07/01 09:07:47 $
 *
 * ====================================================================
 *
 * The NanJing HopeRun(IT-FOREST) Software License, Version 2.0.0
 *
 * Copyright 2003-2004 by NanJing HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and
 *                        IT Forest Corporation
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 * You shall not disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into with
 * HopeRun(IT-FOREST) Information System Co., Ltd, CHINA and IT Forest Corporation.
 */

package com.webpump.ui.gefmodule.edit;

import java.beans.PropertyChangeEvent;
import java.util.List;

import org.eclipse.gef.AccessibleEditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.swt.accessibility.AccessibleEvent;

import com.webpump.ui.gefmodule.model.Module;

/**
 * Class for ModelContainerEditPart
 * 
 * @author shi_l
 * @version 2.0.0 2004-5-30
 */
abstract public class ModelContainerEditPart extends ModelEditPart {

	/**
	 * create accessible
	 */
	protected AccessibleEditPart createAccessible() {
		return new AccessibleGraphicalEditPart() {
			public void getName(AccessibleEvent e) {
				e.result = getModule().toString();
			}
		};
	}

	/**
	 * Installs the desired EditPolicies for this.
	 */
	protected void createEditPolicies() {
		super.createEditPolicies();
		installEditPolicy(EditPolicy.CONTAINER_ROLE, new ModelContainerEditPolicy());
		installEditPolicy(EditPolicy.LAYOUT_ROLE, new ModelXYLayoutEditPolicy());
	}

	/**
	 * Returns the model of this as a LogicDiagram.
	 *
	 * @return  LogicDiagram of this.
	 */
	protected Module getModule() {
		return (Module) getModel();
	}

	/**
	 * Returns the children of this through the model.
	 *
	 * @return  Children of this as a List.
	 */
	protected List getModelChildren() {
		return getModule().getChildren();
	}

	/**
	 * property change
	 * @param evt PropertyChangeEvent
	 */
	public void propertyChange(PropertyChangeEvent evt) {
		String prop = evt.getPropertyName();
		if ("Children".equals(prop))
			refreshChildren();
	}
}