/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.ui.notations.flowchart.figures;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.whole.lang.ui.figures.AnchorFactory;
import org.whole.lang.ui.figures.EntityFigure;
import org.whole.lang.ui.figures.FigureConstants;
import org.whole.lang.ui.figures.NodeFigure;
import org.whole.lang.ui.figures.PaintFigureHelper;
import org.whole.lang.ui.layout.Alignment;
import org.whole.lang.ui.layout.ColumnLayout;
import org.whole.lang.ui.layout.RowLayout;
/**
* @author Riccardo Solmi
*/
public class GuardedActivityFigure extends NodeFigure {
public static final int gap = 4;
protected IFigure row0;
public GuardedActivityFigure() {
this(null);
}
public GuardedActivityFigure(Image labelImage) {
initContentPanes(2);
setLayoutManager(new ColumnLayout()
.withMinorAlignment(Alignment.CENTER).withSpacing(gap*2)
.withMargin(gap, 4, 4, 4));
if (labelImage == null)
row0 = createContentPane(0);
else {
row0 = new EntityFigure(new RowLayout().withMinorAlignment(Alignment.CENTER).withSpacing(2));
((EntityFigure)row0).addLabel(labelImage);
row0.add(createContentPane(0));
}
add(row0);
add(createContentPane(1));
}
protected ConnectionAnchor[] createAnchors() {
return new ConnectionAnchor[] {
AnchorFactory.createTopOrBottomMiddleAnchor(this)};
}
public Dimension getPreferredSize(int wHint, int hHint) {
Dimension d = super.getPreferredSize(wHint, hHint);
d.width = Math.max(d.width, 41);
return d;
}
@Override
public Color getLocalForegroundColor() {
return FigureConstants.relationsColor;
}
@Override
public void paintFigure(Graphics g) {
super.paintFigure(g);
Rectangle bounds = getBounds();
Rectangle rGuardContent = row0.getBounds();
Rectangle rActivity = getContentPane(1).getBounds();
Rectangle rGuard = Rectangle.SINGLETON;
rGuard.setLocation(bounds.x, bounds.y);
rGuard.setSize(bounds.width, gap*2 + rGuardContent.height);
int yGuardBottom = rGuard.y + rGuard.height;
int xMid = rActivity.x + rActivity.width/2;
int yActivityBottom = rActivity.y + rActivity.height-1;
int yBottom = bounds.y + bounds.height-1;
g.drawLine(xMid, yGuardBottom, xMid, rActivity.y);
g.drawLine(xMid, yActivityBottom, xMid, yBottom);
PaintFigureHelper.drawFilledRectangle(g, rGuard,
ColorConstants.black, FigureConstants.lightGray);
}
}