PrefixExpressionFigure.java

/**
 * 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.java.ui.figures;

import org.eclipse.draw2d.Graphics;
import org.whole.lang.ui.figures.ContentPaneFigure;
import org.whole.lang.ui.figures.RoundBracketsBorder;
import org.whole.lang.ui.layout.RowLayout;

/**
 *  @author Riccardo Solmi
 */
public class PrefixExpressionFigure extends ContentPaneFigure {
	protected boolean showParentheses;

	public PrefixExpressionFigure() {
		super(new RowLayout());
		initContentPanes(2);
		add(createContentPane(0));
		add(createContentPane(1));
	}

	public void showParentheses(boolean showParentheses) {
		getLayoutManager()
			.withSpacing(showParentheses ? RoundBracketsBorder.HMARGIN+1 : 0)
			.withMarginRight(showParentheses ? RoundBracketsBorder.HMARGIN+2 : 0);
		this.showParentheses = showParentheses;
	}

	protected void paintFigure(Graphics g) {
		super.paintFigure(g);
		if (showParentheses)
			RoundBracketsBorder.paintRoundBrackets(g, getContentPane(1)
					.getBounds().getExpanded(RoundBracketsBorder.HMARGIN+1, 0));
	}
}