org.eclipse.gmf.examples.runtime.diagram.logic/src/org/eclipse/gmf/examples/runtime/diagram/logic/internal/figures/LogicFlowFigure.java

/******************************************************************************
 * Copyright (c) 2004, 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

package org.eclipse.gmf.examples.runtime.diagram.logic.internal.figures;

import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.handles.HandleBounds;

import org.eclipse.gmf.runtime.draw2d.ui.mapmode.MapModeUtil;
import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;

/**
 * code copied from real logic example in gef
 */
/*
 * @canBeSeenBy org.eclipse.gmf.examples.runtime.diagram.logic.*
 */
public class LogicFlowFigure
	extends NodeFigure
	implements HandleBounds
{
	private Dimension prefSize;
	
	public LogicFlowFigure(Dimension size) {
        Dimension borderSize = new Dimension(MapModeUtil.getMapMode(this)
            .DPtoLP(20), MapModeUtil.getMapMode(this).DPtoLP(18));
		setBorder(new LogicFlowBorder(borderSize));
		setOpaque(true);
		prefSize = size;
	}
 
	/**
	 * @see org.eclipse.gef.handles.HandleBounds#getHandleBounds()
	 */
	public Rectangle getHandleBounds() {
		return getBounds().getCropped(new Insets(2,0,2,0));
	}

	public Dimension getPreferredSize(int w, int h) {
		Dimension newPrefSize = super.getPreferredSize(w, h);
		newPrefSize.union(prefSize);
		return newPrefSize;
	}

	/**
	 * @see org.eclipse.draw2d.Figure#paintFigure(Graphics)
	 */
	protected void paintFigure(Graphics graphics) {
		Rectangle rect = getBounds().getCopy();
		rect.crop(new Insets(2,0,2,0));
	}

	public String toString() {
		return "LogicFlowBoardFigure"; //$NON-NLS-1$
	}

	public void validate() {
		if(isValid()) return;
		super.validate();
	}
}