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/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.elk;
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import java.awt.geom.Dimension2D;
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import java.awt.geom.Point2D;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.EnumSet;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.eclipse.elk.core.RecursiveGraphLayoutEngine;
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import org.eclipse.elk.core.options.CoreOptions;
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import org.eclipse.elk.core.options.Direction;
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import org.eclipse.elk.core.options.EdgeLabelPlacement;
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import org.eclipse.elk.core.options.EdgeType;
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import org.eclipse.elk.core.options.NodeLabelPlacement;
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import org.eclipse.elk.core.options.SizeConstraint;
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import org.eclipse.elk.core.options.SizeOptions;
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import org.eclipse.elk.core.util.NullElkProgressMonitor;
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import org.eclipse.elk.graph.ElkEdge;
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import org.eclipse.elk.graph.ElkLabel;
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import org.eclipse.elk.graph.ElkNode;
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import org.eclipse.elk.graph.util.ElkGraphUtil;
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import net.sourceforge.plantuml.FileFormatOption;
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import net.sourceforge.plantuml.FontParam;
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import net.sourceforge.plantuml.ISkinParam;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.UmlDiagram;
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import net.sourceforge.plantuml.api.ImageDataSimple;
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import net.sourceforge.plantuml.core.ImageData;
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import net.sourceforge.plantuml.cucadiagram.CucaDiagram;
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import net.sourceforge.plantuml.cucadiagram.Display;
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import net.sourceforge.plantuml.cucadiagram.GroupType;
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import net.sourceforge.plantuml.cucadiagram.IGroup;
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import net.sourceforge.plantuml.cucadiagram.ILeaf;
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import net.sourceforge.plantuml.cucadiagram.Link;
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import net.sourceforge.plantuml.cucadiagram.entity.EntityFactory;
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import net.sourceforge.plantuml.graphic.AbstractTextBlock;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.HorizontalAlignment;
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import net.sourceforge.plantuml.graphic.QuoteUtils;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.graphic.TextBlockUtils;
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import net.sourceforge.plantuml.svek.Bibliotekon;
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import net.sourceforge.plantuml.svek.CucaDiagramFileMaker;
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import net.sourceforge.plantuml.svek.DotStringFactory;
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import net.sourceforge.plantuml.svek.GeneralImageBuilder;
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import net.sourceforge.plantuml.svek.GraphvizCrash;
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import net.sourceforge.plantuml.svek.IEntityImage;
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import net.sourceforge.plantuml.svek.TextBlockBackcolored;
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import net.sourceforge.plantuml.ugraphic.MinMax;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.URectangle;
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import net.sourceforge.plantuml.ugraphic.UStroke;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
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/*
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* Some notes:
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*
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https://www.eclipse.org/elk/documentation/tooldevelopers/graphdatastructure.html
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https://www.eclipse.org/elk/documentation/tooldevelopers/graphdatastructure/coordinatesystem.html
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Long hierarchical edge
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https://rtsys.informatik.uni-kiel.de/~biblio/downloads/theses/yab-bt.pdf
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https://rtsys.informatik.uni-kiel.de/~biblio/downloads/theses/thw-bt.pdf
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*/
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public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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private final CucaDiagram diagram;
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private final StringBounder stringBounder;
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private final DotStringFactory dotStringFactory;
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private final Map<ILeaf, ElkNode> nodes = new LinkedHashMap<ILeaf, ElkNode>();
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private final Map<IGroup, ElkNode> clusters = new LinkedHashMap<IGroup, ElkNode>();
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private final Map<Link, ElkEdge> edges = new LinkedHashMap<Link, ElkEdge>();
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public CucaDiagramFileMakerElk(CucaDiagram diagram, StringBounder stringBounder) {
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this.diagram = diagram;
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this.stringBounder = stringBounder;
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this.dotStringFactory = new DotStringFactory(stringBounder, diagram);
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}
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private TextBlock getLabel(Link link) {
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if (Display.isNull(link.getLabel())) {
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return null;
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}
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final ISkinParam skinParam = diagram.getSkinParam();
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final FontConfiguration labelFont = new FontConfiguration(skinParam, FontParam.ARROW, null);
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final TextBlock label = link.getLabel().create(labelFont,
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skinParam.getDefaultTextAlignment(HorizontalAlignment.CENTER), skinParam);
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if (TextBlockUtils.isEmpty(label, stringBounder)) {
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return null;
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}
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return label;
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}
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private TextBlock getQualifier(Link link, int n) {
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final String tmp = n == 1 ? link.getQualifier1() : link.getQualifier2();
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if (tmp == null) {
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return null;
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}
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final ISkinParam skinParam = diagram.getSkinParam();
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final FontConfiguration labelFont = new FontConfiguration(skinParam, FontParam.ARROW, null);
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final TextBlock label = Display.getWithNewlines(tmp).create(labelFont,
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skinParam.getDefaultTextAlignment(HorizontalAlignment.CENTER), skinParam);
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if (TextBlockUtils.isEmpty(label, stringBounder)) {
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return null;
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}
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return label;
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}
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// Retrieve the real position of a node, depending on its parents
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private Point2D getPosition(ElkNode elkNode) {
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final ElkNode parent = elkNode.getParent();
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final double x = elkNode.getX();
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final double y = elkNode.getY();
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// This nasty test checks that parent is "root"
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if (parent == null || parent.getLabels().size() == 0) {
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return new Point2D.Double(x, y);
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}
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// Right now, this is recursive
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final Point2D parentPosition = getPosition(parent);
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return new Point2D.Double(parentPosition.getX() + x, parentPosition.getY() + y);
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}
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// The Drawing class does the real drawing
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class Drawing extends AbstractTextBlock implements TextBlockBackcolored {
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// min and max of all coord
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private final MinMax minMax;
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public Drawing(MinMax minMax) {
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this.minMax = minMax;
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}
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public void drawU(UGraphic ug) {
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// Draw all clusters
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for (Entry<IGroup, ElkNode> ent : clusters.entrySet()) {
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final IGroup group = ent.getKey();
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final ElkNode elkNode = ent.getValue();
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final Point2D corner = getPosition(elkNode);
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final URectangle rect = new URectangle(elkNode.getWidth(), elkNode.getHeight());
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// Print a simple rectangle right now
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ug.apply(HColorUtils.BLACK).apply(new UStroke(1.5)).apply(new UTranslate(corner)).draw(rect);
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}
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// Draw all nodes
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for (Entry<ILeaf, ElkNode> ent : nodes.entrySet()) {
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final ILeaf leaf = ent.getKey();
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final ElkNode elkNode = ent.getValue();
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final IEntityImage image = printEntityInternal(leaf);
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// Retrieve coord from ELK
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final Point2D corner = getPosition(elkNode);
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// Print the node image at right coord
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image.drawU(ug.apply(new UTranslate(corner)));
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}
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// Draw all edges
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for (Entry<Link, ElkEdge> ent : edges.entrySet()) {
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final Link link = ent.getKey();
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if (link.isInvis()) {
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continue;
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}
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final ElkEdge edge = ent.getValue();
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// Unfortunately, we have to translate "edge" in its own "cluster" coordonate
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final Point2D translate = getPosition(edge.getContainingNode());
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final UGraphic ugTranslated = ug.apply(new UTranslate(translate));
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new ElkPath(link, edge, diagram, getLabel(link), getQualifier(link, 1), getQualifier(link, 2))
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.drawU(ugTranslated);
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}
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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if (minMax == null) {
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throw new UnsupportedOperationException();
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}
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return minMax.getDimension();
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}
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public HColor getBackcolor() {
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return null;
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}
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}
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private Collection<ILeaf> getUnpackagedEntities() {
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final List<ILeaf> result = new ArrayList<ILeaf>();
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for (ILeaf ent : diagram.getLeafsvalues()) {
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if (diagram.getEntityFactory().getRootGroup() == ent.getParentContainer()) {
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result.add(ent);
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}
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}
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return result;
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}
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@Override
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public ImageData createFile(OutputStream os, List<String> dotStrings, FileFormatOption fileFormatOption)
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throws IOException {
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// https://www.eclipse.org/forums/index.php/t/1095737/
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try {
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final ElkNode root = ElkGraphUtil.createGraph();
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root.setProperty(CoreOptions.DIRECTION, Direction.DOWN);
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printAllSubgroups(root, diagram.getRootGroup());
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printEntities(root, getUnpackagedEntities());
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manageAllEdges();
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new RecursiveGraphLayoutEngine().layout(root, new NullElkProgressMonitor());
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final MinMax minMax = TextBlockUtils.getMinMax(new Drawing(null), stringBounder, false);
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final TextBlock drawable = new Drawing(minMax);
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return diagram.createImageBuilder(fileFormatOption) //
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.drawable(drawable) //
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.write(os); //
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} catch (Throwable e) {
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UmlDiagram.exportDiagramError(os, e, fileFormatOption, diagram.seed(), diagram.getMetadata(),
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diagram.getFlashData(), getFailureText3(e));
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return ImageDataSimple.error();
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}
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}
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private void printAllSubgroups(ElkNode cluster, IGroup group) {
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for (IGroup g : diagram.getChildrenGroups(group)) {
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if (g.isRemoved()) {
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continue;
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}
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if (diagram.isEmpty(g) && g.getGroupType() == GroupType.PACKAGE) {
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final ISkinParam skinParam = diagram.getSkinParam();
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final EntityFactory entityFactory = diagram.getEntityFactory();
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final ILeaf folder = entityFactory.createLeafForEmptyGroup(g, skinParam);
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System.err.println("STILL IN PROGRESS");
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// printEntityNew(folder);
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} else {
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// We create the "cluster" in ELK for this group
|
|
|
|
final ElkNode elkCluster = ElkGraphUtil.createNode(cluster);
|
|
|
|
elkCluster.setProperty(CoreOptions.DIRECTION, Direction.DOWN);
|
|
|
|
|
|
|
|
// Not sure this is usefull to put a label on a "cluster"
|
|
|
|
final ElkLabel label = ElkGraphUtil.createLabel(elkCluster);
|
|
|
|
label.setText("C");
|
|
|
|
// We need it anyway to recurse up to the real "root"
|
|
|
|
|
|
|
|
this.clusters.put(g, elkCluster);
|
|
|
|
printSingleGroup(g);
|
2021-04-13 17:05:18 +00:00
|
|
|
}
|
2021-04-17 11:19:39 +00:00
|
|
|
}
|
2021-04-13 17:05:18 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
}
|
2021-04-14 18:08:29 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
private void printSingleGroup(IGroup g) {
|
|
|
|
if (g.getGroupType() == GroupType.CONCURRENT_STATE) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
this.printEntities(clusters.get(g), g.getLeafsDirect());
|
|
|
|
printAllSubgroups(clusters.get(g), g);
|
|
|
|
}
|
2021-04-15 16:49:28 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
private void printEntities(ElkNode parent, Collection<ILeaf> entities) {
|
|
|
|
// Convert all "leaf" to ELK node
|
|
|
|
for (ILeaf ent : entities) {
|
|
|
|
if (ent.isRemoved()) {
|
|
|
|
continue;
|
2021-04-13 17:05:18 +00:00
|
|
|
}
|
2021-04-17 11:19:39 +00:00
|
|
|
manageSingleNode(parent, ent);
|
|
|
|
}
|
|
|
|
}
|
2021-04-13 17:05:18 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
private void manageAllEdges() {
|
|
|
|
// Convert all "link" to ELK edge
|
|
|
|
for (final Link link : diagram.getLinks()) {
|
|
|
|
manageSingleEdge(link);
|
|
|
|
}
|
|
|
|
}
|
2021-04-13 17:05:18 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
private void manageSingleNode(final ElkNode root, ILeaf leaf) {
|
|
|
|
final IEntityImage image = printEntityInternal(leaf);
|
2021-04-13 17:05:18 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
// Expected dimension of the node
|
|
|
|
final Dimension2D dimension = image.calculateDimension(stringBounder);
|
2021-04-13 17:05:18 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
// Here, we try to tell ELK to use this dimension as node dimension
|
|
|
|
final ElkNode node = ElkGraphUtil.createNode(root);
|
|
|
|
node.setDimensions(dimension.getWidth(), dimension.getHeight());
|
2021-04-13 17:05:18 +00:00
|
|
|
|
2021-04-17 11:19:39 +00:00
|
|
|
// There is no real "label" here
|
|
|
|
// We just would like to force node dimension
|
|
|
|
final ElkLabel label = ElkGraphUtil.createLabel(node);
|
|
|
|
label.setText("X");
|
|
|
|
|
|
|
|
// I don't know why we have to do this hack, but somebody has to fix it
|
|
|
|
final double VERY_STRANGE_OFFSET = 10;
|
|
|
|
label.setDimensions(dimension.getWidth(), dimension.getHeight() - VERY_STRANGE_OFFSET);
|
|
|
|
|
|
|
|
// No idea of what we are doing here :-)
|
|
|
|
label.setProperty(CoreOptions.NODE_LABELS_PLACEMENT,
|
|
|
|
EnumSet.of(NodeLabelPlacement.INSIDE, NodeLabelPlacement.H_CENTER, NodeLabelPlacement.V_CENTER));
|
|
|
|
// This padding setting have no impact ?
|
|
|
|
// label.setProperty(CoreOptions.NODE_LABELS_PADDING, new ElkPadding(100.0));
|
|
|
|
node.setProperty(CoreOptions.NODE_SIZE_CONSTRAINTS, EnumSet.of(SizeConstraint.NODE_LABELS));
|
|
|
|
node.setProperty(CoreOptions.NODE_SIZE_OPTIONS, EnumSet.noneOf(SizeOptions.class));
|
|
|
|
|
|
|
|
// Let's store this
|
|
|
|
nodes.put(leaf, node);
|
|
|
|
}
|
|
|
|
|
|
|
|
private void manageSingleEdge(final Link link) {
|
|
|
|
final ElkNode node1 = nodes.get(link.getEntity1());
|
|
|
|
final ElkNode node2 = nodes.get(link.getEntity2());
|
|
|
|
|
|
|
|
final ElkEdge edge = ElkGraphUtil.createEdge(node1.getParent());
|
|
|
|
|
|
|
|
final TextBlock labelLink = getLabel(link);
|
|
|
|
if (labelLink != null) {
|
|
|
|
final ElkLabel edgeLabel = ElkGraphUtil.createLabel(edge);
|
|
|
|
final Dimension2D dim = labelLink.calculateDimension(stringBounder);
|
|
|
|
edgeLabel.setText("X");
|
|
|
|
edgeLabel.setDimensions(dim.getWidth(), dim.getHeight());
|
|
|
|
// Duplicated, with qualifier, but who cares?
|
|
|
|
edge.setProperty(CoreOptions.EDGE_LABELS_INLINE, true);
|
|
|
|
edge.setProperty(CoreOptions.EDGE_TYPE, EdgeType.ASSOCIATION);
|
|
|
|
}
|
|
|
|
if (link.getQualifier1() != null) {
|
|
|
|
final ElkLabel edgeLabel = ElkGraphUtil.createLabel(edge);
|
|
|
|
final Dimension2D dim = getQualifier(link, 1).calculateDimension(stringBounder);
|
|
|
|
// Nasty trick, we store the kind of label in the text
|
|
|
|
edgeLabel.setText("1");
|
|
|
|
edgeLabel.setDimensions(dim.getWidth(), dim.getHeight());
|
|
|
|
edgeLabel.setProperty(CoreOptions.EDGE_LABELS_PLACEMENT, EdgeLabelPlacement.TAIL);
|
|
|
|
// Duplicated, with main label, but who cares?
|
|
|
|
edge.setProperty(CoreOptions.EDGE_LABELS_INLINE, true);
|
|
|
|
edge.setProperty(CoreOptions.EDGE_TYPE, EdgeType.ASSOCIATION);
|
|
|
|
}
|
|
|
|
if (link.getQualifier2() != null) {
|
|
|
|
final ElkLabel edgeLabel = ElkGraphUtil.createLabel(edge);
|
|
|
|
final Dimension2D dim = getQualifier(link, 2).calculateDimension(stringBounder);
|
|
|
|
// Nasty trick, we store the kind of label in the text
|
|
|
|
edgeLabel.setText("2");
|
|
|
|
edgeLabel.setDimensions(dim.getWidth(), dim.getHeight());
|
|
|
|
edgeLabel.setProperty(CoreOptions.EDGE_LABELS_PLACEMENT, EdgeLabelPlacement.HEAD);
|
|
|
|
// Duplicated, with main label, but who cares?
|
|
|
|
edge.setProperty(CoreOptions.EDGE_LABELS_INLINE, true);
|
|
|
|
edge.setProperty(CoreOptions.EDGE_TYPE, EdgeType.ASSOCIATION);
|
|
|
|
}
|
|
|
|
edge.getSources().add(node1);
|
|
|
|
edge.getTargets().add(node2);
|
|
|
|
edges.put(link, edge);
|
2021-04-13 17:05:18 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static private List<String> getFailureText3(Throwable exception) {
|
|
|
|
exception.printStackTrace();
|
|
|
|
final List<String> strings = new ArrayList<String>();
|
|
|
|
strings.add("An error has occured : " + exception);
|
|
|
|
final String quote = StringUtils.rot(QuoteUtils.getSomeQuote());
|
|
|
|
strings.add("<i>" + quote);
|
|
|
|
strings.add(" ");
|
|
|
|
GraphvizCrash.addProperties(strings);
|
|
|
|
strings.add(" ");
|
|
|
|
strings.add("Sorry, ELK intregration is really alpha feature...");
|
|
|
|
strings.add(" ");
|
|
|
|
strings.add("You should send this diagram and this image to <b>plantuml@gmail.com</b> or");
|
|
|
|
strings.add("post to <b>http://plantuml.com/qa</b> to solve this issue.");
|
|
|
|
strings.add(" ");
|
|
|
|
return strings;
|
|
|
|
}
|
|
|
|
|
|
|
|
private Bibliotekon getBibliotekon() {
|
|
|
|
return dotStringFactory.getBibliotekon();
|
|
|
|
}
|
|
|
|
|
|
|
|
private IEntityImage printEntityInternal(ILeaf ent) {
|
|
|
|
if (ent.isRemoved()) {
|
|
|
|
throw new IllegalStateException();
|
|
|
|
}
|
|
|
|
if (ent.getSvekImage() == null) {
|
|
|
|
final ISkinParam skinParam = diagram.getSkinParam();
|
|
|
|
if (skinParam.sameClassWidth()) {
|
|
|
|
System.err.println("NOT YET IMPLEMENED");
|
|
|
|
}
|
|
|
|
|
|
|
|
return GeneralImageBuilder.createEntityImageBlock(ent, skinParam, diagram.isHideEmptyDescriptionForState(),
|
|
|
|
diagram, getBibliotekon(), null, diagram.getUmlDiagramType(), diagram.getLinks());
|
|
|
|
}
|
|
|
|
return ent.getSvekImage();
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|