/**
* 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.changes.ui.figures;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.geometry.Rectangle;
import org.whole.lang.changes.ui.editparts.AbstractComparePart;
import org.whole.lang.ui.figures.ContentPaneFigure;
import org.whole.lang.ui.figures.EntityFigure;
import org.whole.lang.ui.figures.EntityLabel;
import org.whole.lang.ui.figures.FigureConstants;
import org.whole.lang.ui.figures.LabelFactory;
import org.whole.lang.ui.layout.Alignment;
import org.whole.lang.ui.layout.OverLayout;
import org.whole.lang.ui.layout.RowLayout;
/**
* @author Riccardo Solmi
*/
public class SideBySideCompareFigure extends ContentPaneFigure {
public static final int CONTENT_MARGIN = 2;
public static final int MAPPING_SIZE = 32;
protected EntityFigure baseFigure;
protected AbstractComparePart.CompareMapper leftMapper;
protected AbstractComparePart.CompareMapper rightMapper;
public SideBySideCompareFigure(AbstractComparePart.CompareMapper leftMapper, AbstractComparePart.CompareMapper rightMapper) {
super(new RowLayout().withMargin(CONTENT_MARGIN).withSpacing(MAPPING_SIZE+2).withMinorAlignment(Alignment.LEADING));
initContentPanes(3);
this.leftMapper = leftMapper;
this.rightMapper = rightMapper;
EntityFigure leftFigure = new EntityFigure(new OverLayout());
leftFigure.add(createContentPane(1));
EntityLabel header = LabelFactory.createIdentifier("REVISION 0");
header.setBorder(new MarginBorder(8, 2, 4, 6));
leftFigure.add(header);
add(leftFigure);
baseFigure = new EntityFigure(new OverLayout());
baseFigure.add(createContentPane(0));
header = LabelFactory.createIdentifier("BASE REVISION");
header.setBorder(new MarginBorder(8, 2, 4, 6));
baseFigure.add(header);
add(baseFigure);
EntityFigure rightFigure = new EntityFigure(new OverLayout());
rightFigure.add(createContentPane(2));
header = LabelFactory.createIdentifier("REVISION 1");
header.setBorder(new MarginBorder(8, 2, 4, 6));
rightFigure.add(header);
add(rightFigure);
}
public void showBaseRevision(boolean value) {
baseFigure.setVisible(value);
}
protected void paintFigure(Graphics g) {
super.paintFigure(g);
boolean isThreeWay = baseFigure.isVisible();
Rectangle bounds = getBounds();
Rectangle leftBounds = getContentPane(1).getBounds();
Rectangle baseBounds = isThreeWay ? getContentPane(0).getBounds() : null;
Rectangle rightBounds = getContentPane(2).getBounds();
int x0 = leftBounds.right() +1;
int x1 = x0 + MAPPING_SIZE;
int x3 = rightBounds.x -1;
int x2 = x3 - MAPPING_SIZE;
g.setBackgroundColor(FigureConstants.collapseBackgroundColor);
g.fillRectangle(bounds.x, bounds.y, bounds.width, leftBounds.y - bounds.y -1);
g.fillRectangle(x0, bounds.y, MAPPING_SIZE, bounds.height);
if (isThreeWay)
g.fillRectangle(x2, bounds.y, MAPPING_SIZE, bounds.height);
g.setForegroundColor(FigureConstants.collapseColor);
g.drawRectangle(leftBounds.x-2, leftBounds.y-3, leftBounds.width+2, leftBounds.height+5);
if (isThreeWay)
g.drawRectangle(baseBounds.x-2, baseBounds.y-3, baseBounds.width+2, baseBounds.height+4);
g.drawRectangle(rightBounds.x-2, rightBounds.y-2, rightBounds.width+2, rightBounds.height+3);
leftMapper.paintMapping(g, x0, x1-1);
if (isThreeWay)
rightMapper.paintMapping(g, x2, x3-1);
}
}