bundles/org.eclipse.rap.gef.demo/src/org/eclipse/draw2d/examples/text/TestBorder.java

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

package org.eclipse.draw2d.examples.text;

import org.eclipse.swt.SWT;

import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.FigureUtilities;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.draw2d.text.AbstractFlowBorder;
import org.eclipse.draw2d.text.FlowFigure;

public class TestBorder extends AbstractFlowBorder {

private Insets insets;

public Insets getInsets(IFigure figure) {
	if (insets == null) {
		insets = new Insets();
		Dimension size = FigureUtilities.getStringExtents("begin", figure.getFont()); 
		insets.left = size.width + 3 + size.height / 2;
		size = FigureUtilities.getStringExtents("end", figure.getFont());
		insets.right = size.width + 3 + size.height / 2;
	}
	return insets;
}

public void paint(FlowFigure figure, Graphics g, Rectangle where, int sides) {
	where.resize(-1, -1);
	if ((sides & SWT.LEAD) != 0) {
		PointList points = new PointList(5);
		points.addPoint(where.getTopLeft());
		points.addPoint(where.getTopRight().translate(-where.height / 2, 0));
		points.addPoint(where.getRight());
		points.addPoint(where.getBottomRight().translate(-where.height / 2, 0));
		points.addPoint(where.getBottomLeft());
		g.setBackgroundColor(ColorConstants.tooltipBackground);
		g.fillPolygon(points);
		g.drawPolygon(points);
		g.drawString("begin", where.x + 1, where.y);
	}
	if ((sides & SWT.TRAIL) != 0) {
		PointList points = new PointList(5);
		points.addPoint(where.getLeft());
		points.addPoint(where.getTopLeft().translate(where.height / 2, 0));
		points.addPoint(where.getTopRight());
		points.addPoint(where.getBottomRight());
		points.addPoint(where.getBottomLeft().translate(where.height / 2, 0));
		g.setBackgroundColor(ColorConstants.tooltipBackground);
		g.fillPolygon(points);
		g.drawPolygon(points);
		g.drawString("end", where.x + where.height / 2, where.y);
	}
}

}