/**
* 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.figures;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* @author Riccardo Solmi
*/
public class TypeRelationBorder extends MarginBorder {
public static final int H = 5;
private boolean isLanguageSpecific;
public TypeRelationBorder(boolean isSubtype, boolean isLanguageSpecific) {
super(isSubtype ? 0 : H, 0, isSubtype ? H : 0, 0);
this.isLanguageSpecific = isLanguageSpecific;
}
public void paint(IFigure f, Graphics g, Insets i) {
Rectangle r = getPaintRectangle(f, i);
r.width--;
r.height--;
drawTypeSymbol(g, r.x, insets.top > 0 ? r.y+H : r.bottom(), r.width, isLanguageSpecific);
}
public static void drawTypeSymbol(Graphics g, int x, int y, int w, boolean isLanguageSpecific) {
int center = x + w/2;
g.setForegroundColor(
isLanguageSpecific ? FigureConstants.modulesColor : FigureConstants.declarationsColor);
g.drawLine(x, y, center-H, y);
g.drawLine(center+H, y, x+w, y);
g.drawLine(center-H, y, center, y-H);
g.drawLine(center, y-H, center+H, y);
}
}