plantuml/src/net/sourceforge/plantuml/svek/DirectionalTextBlock.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
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 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML 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 General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 *
 * 
 */
package net.sourceforge.plantuml.svek;

import net.sourceforge.plantuml.Direction;
import net.sourceforge.plantuml.awt.geom.Dimension2D;
import net.sourceforge.plantuml.graphic.AbstractTextBlock;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.UGraphic;

public class DirectionalTextBlock extends AbstractTextBlock implements TextBlock {
	private final TextBlock right;
	private final TextBlock left;
	private final TextBlock up;
	private final TextBlock down;
	private final GuideLine guideline;

	public DirectionalTextBlock(GuideLine guideline, TextBlock right, TextBlock left, TextBlock up, TextBlock down) {
		this.right = right;
		this.left = left;
		this.up = up;
		this.down = down;
		this.guideline = guideline;
	}

	public void drawU(UGraphic ug) {
		Direction dir = guideline.getArrowDirection();
		switch (dir) {
		case RIGHT:
			right.drawU(ug);
			break;
		case LEFT:
			left.drawU(ug);
			break;
		case UP:
			up.drawU(ug);
			break;
		case DOWN:
			down.drawU(ug);
			break;
		default:
			throw new UnsupportedOperationException();
		}
	}

	public Dimension2D calculateDimension(StringBounder stringBounder) {
		return right.calculateDimension(stringBounder);
	}

}