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Improve ELK support
This commit is contained in:
Arnaud Roques
parent
dfdec8820f
commit
320ab186b4
@ -59,15 +59,19 @@ 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.ILeaf;
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import net.sourceforge.plantuml.cucadiagram.Link;
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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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@ -91,6 +95,7 @@ public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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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<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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@ -99,6 +104,36 @@ public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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}
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// Unused right now
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private TextBlock getLabel(Link link) {
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final double marginLabel = 1; // startUid.equals(endUid) ? 6 : 1;
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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 label;
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}
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return TextBlockUtils.withMargin(label, marginLabel, marginLabel);
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}
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// Unused right now
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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 double marginLabel = 1; // startUid.equals(endUid) ? 6 : 1;
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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 label;
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}
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return TextBlockUtils.withMargin(label, marginLabel, marginLabel);
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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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@ -125,6 +160,17 @@ public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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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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new ElkPath(link, edge, diagram, getLabel(link), getQualifier(link, 1), getQualifier(link, 2))
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.drawU(ug);
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}
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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@ -146,7 +192,9 @@ public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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try {
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final ElkNode root = ElkGraphUtil.createGraph();
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final ElkPadding labelPadding = new ElkPadding(2.0);
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// This padding setting have no impact ?
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final ElkPadding labelPadding = new ElkPadding(100.0);
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// Convert all "leaf" to ELK node
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for (ILeaf leaf : diagram.getLeafsvalues()) {
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@ -162,7 +210,11 @@ public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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// There is no real "label" here
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// We just would like to force node dimension
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final ElkLabel label = ElkGraphUtil.createLabel(node);
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label.setDimensions(dimension.getWidth(), dimension.getHeight());
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label.setText("X");
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// I don't know why we have to do this hack, but somebody has to fix it
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final double VERY_STRANGE_OFFSET = 10;
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label.setDimensions(dimension.getWidth() - VERY_STRANGE_OFFSET, dimension.getHeight());
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// No idea of what we are doing here :-)
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label.setProperty(CoreOptions.NODE_LABELS_PLACEMENT, EnumSet.of(NodeLabelPlacement.INSIDE,
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@ -175,22 +227,31 @@ public class CucaDiagramFileMakerElk implements CucaDiagramFileMaker {
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nodes.put(leaf, node);
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}
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// https://www.eclipse.org/forums/index.php/t/1095737/
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for (final Link link : diagram.getLinks()) {
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final ElkEdge edge = ElkGraphUtil.createEdge(root);
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System.err.println("edge=" + edge);
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edge.getSources().add(nodes.get(link.getEntity1()));
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edge.getTargets().add(nodes.get(link.getEntity2()));
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edges.put(link, edge);
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}
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final RecursiveGraphLayoutEngine engine = new RecursiveGraphLayoutEngine();
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engine.layout(root, new NullElkProgressMonitor());
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// Debug
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for (final ElkNode node : nodes.values()) {
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final String name = node.getLabels().get(0).getText();
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System.out.println("node " + name + " : " + node.getX() + ", " + node.getY() + " (" + node.getWidth()
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+ ", " + node.getHeight() + ")");
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}
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// for (final ElkNode node : nodes.values()) {
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// final String name = node.getLabels().get(0).getText();
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// System.out.println("node " + name + " : " + node.getX() + ", " + node.getY() + " (" + node.getWidth()
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// + ", " + node.getHeight() + ")");
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// }
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// for (final ElkEdge edge : edges.values()) {
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// final EList<ElkEdgeSection> sections = edge.getSections();
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// System.out.println("edge=" + edge.getSections());
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// System.out.println("edge=" + edge.getProperty(LayeredOptions.JUNCTION_POINTS));
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// for (ElkEdgeSection s : sections)
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// System.out.println(s.getBendPoints());
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// }
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final MinMax minMax = TextBlockUtils.getMinMax(new Drawing(null), stringBounder, false);
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147
src/net/sourceforge/plantuml/elk/ElkPath.java
Normal file
147
src/net/sourceforge/plantuml/elk/ElkPath.java
Normal file
@ -0,0 +1,147 @@
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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 org.eclipse.elk.graph.ElkBendPoint;
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import org.eclipse.elk.graph.ElkEdge;
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import org.eclipse.elk.graph.ElkEdgeSection;
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import org.eclipse.emf.common.util.EList;
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import net.sourceforge.plantuml.ColorParam;
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import net.sourceforge.plantuml.LineParam;
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import net.sourceforge.plantuml.UmlDiagramType;
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import net.sourceforge.plantuml.cucadiagram.CucaDiagram;
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import net.sourceforge.plantuml.cucadiagram.Link;
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import net.sourceforge.plantuml.cucadiagram.LinkType;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.graphic.UDrawable;
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import net.sourceforge.plantuml.graphic.color.ColorType;
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import net.sourceforge.plantuml.skin.rose.Rose;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.ULine;
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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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public class ElkPath implements UDrawable {
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private final Link link;
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private final ElkEdge edge;
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private final CucaDiagram diagram;
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private final TextBlock label;
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private final TextBlock headLabel;
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private final TextBlock tailLabel;
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private final Rose rose = new Rose();
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public ElkPath(Link link, ElkEdge edge, CucaDiagram diagram, TextBlock label, TextBlock tailLabel,
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TextBlock headLabel) {
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this.link = link;
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this.edge = edge;
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this.diagram = diagram;
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this.label = label;
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this.tailLabel = tailLabel;
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this.headLabel = headLabel;
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}
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private ColorParam getArrowColorParam() {
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if (diagram.getUmlDiagramType() == UmlDiagramType.CLASS) {
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return ColorParam.arrow;
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} else if (diagram.getUmlDiagramType() == UmlDiagramType.OBJECT) {
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return ColorParam.arrow;
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} else if (diagram.getUmlDiagramType() == UmlDiagramType.DESCRIPTION) {
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return ColorParam.arrow;
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} else if (diagram.getUmlDiagramType() == UmlDiagramType.ACTIVITY) {
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return ColorParam.arrow;
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} else if (diagram.getUmlDiagramType() == UmlDiagramType.STATE) {
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return ColorParam.arrow;
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}
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throw new IllegalStateException();
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}
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public void drawU(UGraphic ug) {
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if (link.isHidden()) {
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return;
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}
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HColor color = rose.getHtmlColor(diagram.getSkinParam(), null, getArrowColorParam());
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if (this.link.getColors() != null) {
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final HColor newColor = this.link.getColors().getColor(ColorType.ARROW, ColorType.LINE);
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if (newColor != null) {
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color = newColor;
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}
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} else if (this.link.getSpecificColor() != null) {
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color = this.link.getSpecificColor();
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}
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final LinkType linkType = link.getType();
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UStroke stroke = linkType.getStroke3(diagram.getSkinParam().getThickness(LineParam.arrow, null));
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if (link.getColors() != null && link.getColors().getSpecificLineStroke() != null) {
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stroke = link.getColors().getSpecificLineStroke();
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}
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ug = ug.apply(stroke).apply(color);
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final EList<ElkEdgeSection> sections = edge.getSections();
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for (ElkEdgeSection section : sections) {
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final EList<ElkBendPoint> points = section.getBendPoints();
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double x1 = section.getStartX();
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double y1 = section.getStartY();
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for (ElkBendPoint pt : points) {
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drawLine(ug, x1, y1, pt.getX(), pt.getY());
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x1 = pt.getX();
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y1 = pt.getY();
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}
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drawLine(ug, x1, y1, section.getEndX(), section.getEndY());
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}
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}
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private void drawLine(UGraphic ug, final double x1, final double y1, final double x2, final double y2) {
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final ULine line = new ULine(x2 - x1, y2 - y1);
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ug.apply(new UTranslate(x1, y1)).draw(line);
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}
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}
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