plantuml/src/net/sourceforge/plantuml/cucadiagram/dot/CucaDiagramSimplifierState....

120 lines
3.6 KiB
Java

/* ========================================================================
* 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.cucadiagram.dot;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import net.sourceforge.plantuml.cucadiagram.CucaDiagram;
import net.sourceforge.plantuml.cucadiagram.GroupRoot;
import net.sourceforge.plantuml.cucadiagram.GroupType;
import net.sourceforge.plantuml.cucadiagram.IGroup;
import net.sourceforge.plantuml.cucadiagram.LeafType;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.svek.GroupPngMakerState;
import net.sourceforge.plantuml.svek.IEntityImage;
public final class CucaDiagramSimplifierState {
private final CucaDiagram diagram;
private final StringBounder stringBounder;
public CucaDiagramSimplifierState(CucaDiagram diagram, List<String> dotStrings, StringBounder stringBounder)
throws IOException, InterruptedException {
this.diagram = diagram;
this.stringBounder = stringBounder;
boolean changed;
do {
changed = false;
final Collection<IGroup> groups = getOrdered(diagram.getRootGroup());
for (IGroup g : groups) {
if (diagram.isAutarkic(g)) {
final IEntityImage img = computeImage(g);
g.overrideImage(img, g.getGroupType() == GroupType.CONCURRENT_STATE ? LeafType.STATE_CONCURRENT
: LeafType.STATE);
changed = true;
}
}
} while (changed);
}
private Collection<IGroup> getOrdered(IGroup root) {
final Collection<IGroup> ordered = new LinkedHashSet<IGroup>();
ordered.add(root);
int size = 1;
while (true) {
size = ordered.size();
addOneLevel(ordered);
if (size == ordered.size()) {
break;
}
}
final List<IGroup> result = new ArrayList<IGroup>();
for (IGroup g : ordered) {
if (g instanceof GroupRoot == false) {
result.add(0, g);
}
}
return result;
}
private void addOneLevel(Collection<IGroup> currents) {
for (IGroup g : new ArrayList<IGroup>(currents)) {
for (IGroup child : reverse(g.getChildren())) {
currents.add(child);
}
}
}
private List<IGroup> reverse(Collection<IGroup> source) {
final List<IGroup> result = new ArrayList<IGroup>();
for (IGroup g : source) {
result.add(0, g);
}
return result;
}
private IEntityImage computeImage(IGroup g) throws IOException, InterruptedException {
final GroupPngMakerState maker = new GroupPngMakerState(diagram, g, stringBounder);
return maker.getImage();
}
}