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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* 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.jungle;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import net.sourceforge.plantuml.AbstractPSystem;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.UDrawable;
import net.sourceforge.plantuml.graphic.UDrawableUtils;
import net.sourceforge.plantuml.ugraphic.ColorMapperIdentity;
import net.sourceforge.plantuml.ugraphic.ImageBuilder;
import net.sourceforge.plantuml.ugraphic.LimitFinder;
public class PSystemTree extends AbstractPSystem {
private GNode root;
private List<GNode> stack = new ArrayList<GNode>();
private final Rendering rendering = Rendering.NEEDLE;
public DiagramDescription getDescription() {
return new DiagramDescription("(Tree)");
}
@Override
final protected ImageData exportDiagramNow(OutputStream os, int num, FileFormatOption fileFormat, long seed)
throws IOException {
final ImageBuilder builder = new ImageBuilder(new ColorMapperIdentity(), 1.0, HtmlColorUtils.WHITE, null, null,
5, 5, null, false);
if (rendering == Rendering.NEEDLE) {
final UDrawable tmp = Needle.getNeedle(root, 200, 0, 60);
final LimitFinder limitFinder = new LimitFinder(fileFormat.getDefaultStringBounder(), true);
tmp.drawU(limitFinder);
final double minY = limitFinder.getMinY();
builder.setUDrawable(UDrawableUtils.move(tmp, 0, -minY));
} else {
builder.setUDrawable(new GTileOneLevelFactory().createGTile(root));
}
return builder.writeImageTOBEMOVED(fileFormat, seed, os);
}
public CommandExecutionResult addParagraph(int level, String label) {
if (level == 1 && root == null) {
root = new GNode(Display.create(label));
stack.add(root);
return CommandExecutionResult.ok();
} else if (level == 1 && root != null) {
return CommandExecutionResult.error("Not allowed 1");
}
final GNode parent = stack.get(level - 2);
final GNode newNode = parent.addChild(Display.create(label));
if (level > stack.size() + 1) {
return CommandExecutionResult.error("Not allowed 2");
} else if (level - 1 == stack.size()) {
stack.add(newNode);
} else {
stack.set(level - 1, newNode);
}
return CommandExecutionResult.ok();
}
}
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