GuidePlaceHolder.java

/*******************************************************************************
 * Copyright (c) 2003, 2005 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.gef.internal.ui.rulers;

import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.draw2d.geometry.Rectangle;

/**
 * @author Pratik Shah
 */
public class GuidePlaceHolder extends GuideFigure {

public GuidePlaceHolder(boolean isHorizontal) {
	super(isHorizontal);
	setBackgroundColor(ColorConstants.lightGray);
}

protected void paintFigure(Graphics graphics) {
	PointList list = new PointList();
	if (isHorizontal()) {
		Rectangle clientArea = getClientArea();
		clientArea.x = clientArea.getTopRight().x - 7;
		clientArea.y++;
		list.addPoint(clientArea.x, clientArea.y);
		list.addPoint(clientArea.x + 3, clientArea.y);
		list.addPoint(clientArea.x + 6, clientArea.y + 3);
		list.addPoint(clientArea.x + 3, clientArea.y + 6);
		list.addPoint(clientArea.x, clientArea.y + 6);
		graphics.fillPolygon(list);
		graphics.drawPolygon(list);
		graphics.setForegroundColor(ColorConstants.buttonLightest);
		graphics.drawLine(clientArea.x - 1, clientArea.y, 
				clientArea.x - 1, clientArea.y + 6);
		graphics.drawLine(clientArea.x, clientArea.y - 1, 
				clientArea.x + 3, clientArea.y - 1);
		graphics.drawLine(clientArea.x, clientArea.y + 7, 
				clientArea.x + 3, clientArea.y + 7);
	} else {
		Rectangle clientArea = getClientArea();
		clientArea.y = clientArea.getBottomLeft().y - 7;
		clientArea.x++;
		list.addPoint(clientArea.x, clientArea.y);
		list.addPoint(clientArea.x + 6, clientArea.y);
		list.addPoint(clientArea.x + 6, clientArea.y + 3);
		list.addPoint(clientArea.x + 3, clientArea.y + 6);
		list.addPoint(clientArea.x, clientArea.y + 3);
		graphics.fillPolygon(list);
		graphics.drawPolygon(list);
		graphics.setForegroundColor(ColorConstants.buttonLightest);
		graphics.drawLine(clientArea.x, clientArea.y - 1, 
				clientArea.x + 6, clientArea.y - 1);
		graphics.drawLine(clientArea.x - 1, clientArea.y,
				clientArea.x - 1, clientArea.y + 3);
		graphics.drawLine(clientArea.x + 7, clientArea.y, 
				clientArea.x + 7, clientArea.y + 3);
	}
}

}