/**
* 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.Border;
import org.eclipse.draw2d.ColorConstants;
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 DoubleRoundBracketsBorder extends MarginBorder {
private static final int HSPACING = 3;
private static final int HMARGIN = 3+HSPACING;
private static final int HSIZE = HMARGIN+1;
public static final Border PARENTHESIS = new DoubleRoundBracketsBorder() {
@Override
protected void setBracketsStyle(Graphics g) {
g.setForegroundColor(FigureConstants.contentLighterColor);
}
};
public DoubleRoundBracketsBorder() {
this(true, true);
}
public DoubleRoundBracketsBorder(boolean left, boolean right) {
super(0, left ? HMARGIN : 0, 0, right ? HMARGIN : 0);
}
public void paint(IFigure f, Graphics g, Insets i) {
Rectangle r = getPaintRectangle(f, i);
r.width--;
r.height-=2;
setBracketsStyle(g);
if (insets.left > 0) {
g.drawArc(r.x, r.y, HSIZE, HSIZE*2, 90, 90);
if (r.y+HMARGIN < r.bottom()-HMARGIN)
g.drawLine(r.x, r.y+HMARGIN, r.x, r.bottom()-HMARGIN);
g.drawArc(r.x, r.bottom()-HSIZE*2, HSIZE, HSIZE*2, 180, 90);
g.drawArc(r.x+HSPACING, r.y, HSIZE, HSIZE*2, 90, 90);
if (r.y+HMARGIN < r.bottom()-HMARGIN)
g.drawLine(r.x+HSPACING, r.y+HMARGIN, r.x+HSPACING, r.bottom()-HMARGIN);
g.drawArc(r.x+HSPACING, r.bottom()-HSIZE*2, HSIZE, HSIZE*2, 180, 90);
}
if (insets.right > 0) {
g.drawArc(r.right()-HSIZE, r.y, HSIZE, HSIZE*2, 0, 90);
if (r.y+HMARGIN < r.bottom()-HMARGIN)
g.drawLine(r.right(), r.y+HMARGIN, r.right(), r.bottom()-HMARGIN);
g.drawArc(r.right()-HSIZE, r.bottom()-HSIZE*2, HSIZE, HSIZE*2, 0, -90);
g.drawArc(r.right()-HSIZE-HSPACING, r.y, HSIZE, HSIZE*2, 0, 90);
if (r.y+HMARGIN < r.bottom()-HMARGIN)
g.drawLine(r.right()-HSPACING, r.y+HMARGIN, r.right()-HSPACING, r.bottom()-HMARGIN);
g.drawArc(r.right()-HSIZE-HSPACING, r.bottom()-HSIZE*2, HSIZE, HSIZE*2, 0, -90);
}
}
protected void setBracketsStyle(Graphics g) {
g.setForegroundColor(ColorConstants.black);
}
}