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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
* |
* | PlantUML : a free UML diagram generator
* |
* +=======================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* https://plantuml.com/patreon (only 1$ per month!)
* https://plantuml.com/liberapay (only 1€ per month!)
* https://plantuml.com/paypal
*
*
* PlantUML 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.
*
* 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see .
*
* PlantUML can occasionally display sponsored or advertising messages. Those
* messages are usually generated on welcome or error images and never on
* functional diagrams.
* See https://plantuml.com/professional if you want to remove them
*
* Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
* are owned by the author of their corresponding sources code (that is, their
* textual description in PlantUML language). Those images are not covered by
* this LGPL license.
*
* The generated images can then be used without any reference to the LGPL license.
* It is not even necessary to stipulate that they have been generated with PlantUML,
* although this will be appreciated by the PlantUML team.
*
* There is an exception : if the textual description in PlantUML language is also covered
* by any license, then the generated images are logically covered
* by the very same license.
*
* This is the IGY distribution (Install GraphViz by Yourself).
* You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
* (see https://plantuml.com/graphviz-dot )
*
* Icons provided by OpenIconic : https://useiconic.com/open
* Archimate sprites provided by Archi : http://www.archimatetool.com
* Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
* Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
* ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
* ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
* CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
* Brotli (c) by the Brotli Authors https://github.com/google/brotli
* Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
* Twemoji (c) by Twitter at https://twemoji.twitter.com/
*
*/
package net.sourceforge.plantuml.salt.element;
import java.util.ArrayList;
import java.util.List;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.URectangle;
public class Skeleton2 {
private final List entries = new ArrayList<>();
private static final double sizeX = 8;
static class Entry {
private final int level;
private final double ypos;
Entry(int level, double y) {
// System.err.println("level=" + level);
this.level = level;
this.ypos = y;
}
void drawHline(UGraphic ug) {
final double xpos = getXStartForLevel(level);
ug.apply(new UTranslate(xpos + sizeX - 1, ypos - 1)).draw(URectangle.build(2, 2));
ug.apply(new UTranslate(xpos, ypos)).draw(ULine.hline(sizeX));
}
public void drawVline(UGraphic ug, double lastY) {
// System.err.println("ypos=" + ypos);
final double xpos = getXStartForLevel(level);
ug.apply(new UTranslate(xpos, lastY)).draw(ULine.vline(ypos - lastY));
}
}
public void add(int level, double y) {
entries.add(new Entry(level, y));
}
public void draw(UGraphic ug) {
for (int i = 0; i < entries.size(); i++) {
final Entry en = entries.get(i);
en.drawHline(ug);
final Entry up = getMotherOrSister(i);
en.drawVline(ug, up == null ? 0 : up.ypos);
}
}
private Entry getMotherOrSister(int idx) {
final int currentLevel = entries.get(idx).level;
for (int i = idx - 1; i >= 0; i--) {
final int otherLevel = entries.get(i).level;
if (otherLevel == currentLevel || otherLevel == currentLevel - 1) {
return entries.get(i);
}
}
return null;
}
private static double getXStartForLevel(int level) {
return level * sizeX;
}
public double getXEndForLevel(int level) {
return getXStartForLevel(level) + sizeX;
}
// public void drawOld(UGraphic ug, double x, double y) {
// for (int i = 0; i < entries.size(); i++) {
// final Entry en = entries.get(i);
// if (i + 1 < entries.size() && entries.get(i + 1).xpos > en.xpos) {
// en.drawRectangle(ug);
// }
// Entry parent = null;
// for (int j = 0; j < i; j++) {
// final Entry en0 = entries.get(j);
// if (en0.xpos < en.xpos) {
// parent = en0;
// }
// }
// if (parent != null) {
// drawChild(ug, parent, en);
// }
// }
// }
//
// private void drawChild(UGraphic ug, Entry parent, Entry child) {
// final double dy = child.ypos - parent.ypos - 2;
// ug.apply(new UTranslate(parent.xpos + 1, parent.ypos +
// 3)).draw(ULine.dy(dy));
//
// final double dx = child.xpos - parent.xpos - 2;
// ug.apply(new UTranslate(parent.xpos + 1, child.ypos + 1)).draw(new ULine(dx,
// 0));
//
// }
}