plantuml/src/net/sourceforge/plantuml/creole/AtomTree.java

106 lines
3.4 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, 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.creole;
import java.awt.geom.Dimension2D;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.salt.element.Skeleton2;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;
public class AtomTree extends AbstractAtom implements Atom {
private final HtmlColor lineColor;
private final List<Atom> cells = new ArrayList<Atom>();
private final Map<Atom, Integer> levels = new HashMap<Atom, Integer>();
private final double margin = 2;
public AtomTree(HtmlColor lineColor) {
this.lineColor = lineColor;
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
final Skeleton2 skeleton = new Skeleton2();
double width = 0;
double height = 0;
for (Atom cell : cells) {
final Dimension2D dim = cell.calculateDimension(stringBounder);
height += dim.getHeight();
final int level = getLevel(cell);
width = Math.max(width, skeleton.getXEndForLevel(level) + margin + dim.getWidth());
}
return new Dimension2DDouble(width, height);
}
public double getStartingAltitude(StringBounder stringBounder) {
return 0;
}
public void drawU(final UGraphic ugInit) {
final Skeleton2 skeleton = new Skeleton2();
double y = 0;
UGraphic ug = ugInit;
for (Atom cell : cells) {
final int level = getLevel(cell);
cell.drawU(ug.apply(new UTranslate(margin + skeleton.getXEndForLevel(level), 0)));
final Dimension2D dim = cell.calculateDimension(ug.getStringBounder());
skeleton.add(level, y + dim.getHeight() / 2);
ug = ug.apply(new UTranslate(0, dim.getHeight()));
y += dim.getHeight();
}
skeleton.draw(ugInit.apply(new UChangeColor(this.lineColor)));
}
private int getLevel(Atom atom) {
return levels.get(atom);
}
public void addCell(Atom cell, int level) {
this.cells.add(cell);
this.levels.put(cell, level);
}
}