bundles/org.eclipse.rap.gef.demo/src/org/eclipse/gef/examples/logicdesigner/figures/LEDFeedbackFigure.java

/*******************************************************************************
 * Copyright (c) 2000, 2010 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.examples.logicdesigner.figures;

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

public class LEDFeedbackFigure extends LEDFigure {

	/**
	 * @see org.eclipse.draw2d.Figure#paintFigure(Graphics)
	 */
	protected void paintFigure(Graphics g) {
		g.setXORMode(true);
		g.setForegroundColor(ColorConstants.white);

		Rectangle r = getBounds().getCopy();
		g.translate(r.getLocation());

		g.setBackgroundColor(LogicColorConstants.ghostFillColor);
		g.fillRectangle(0, 2, r.width, r.height - 4);

		int right = r.width - 1;
		g.drawLine(0, Y1, right, Y1);
		g.drawLine(0, Y1, 0, Y2);
		g.drawLine(0, Y2, right, Y2);
		g.drawLine(right, Y1, right, Y2);

		g.drawPoint(0, Y1);
		g.drawPoint(right, Y1);
		g.drawPoint(0, Y2);
		g.drawPoint(right, Y2);

		// Draw the gaps for the connectors
		for (int i = 0; i < 4; i++) {
			g.drawLine(GAP_CENTERS_X[i] - 2, Y1, GAP_CENTERS_X[i] + 3, Y1);
			g.drawLine(GAP_CENTERS_X[i] - 2, Y2, GAP_CENTERS_X[i] + 3, Y2);
		}

		// Draw the connectors
		for (int i = 0; i < 4; i++) {
			connector.translate(GAP_CENTERS_X[i], 0);
			g.drawPolygon(connector);
			connector.translate(-GAP_CENTERS_X[i], 0);

			bottomConnector.translate(GAP_CENTERS_X[i], r.height - 1);
			g.drawPolygon(bottomConnector);
			bottomConnector.translate(-GAP_CENTERS_X[i], -r.height + 1);
		}
	}

}