net.sourceforge.plantuml.elk.MyElkPath Maven / Gradle / Ivy
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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 elkClusters;
private final Map nodeImages;
private final double magicY2;
private final UTranslate translate;
public MyElkPath(ICucaDiagram diagram, SName styleName, Link link, ElkEdge edge, TextBlock centerLabel,
TextBlock tailLabel, TextBlock headLabel, double magicY2, Map elkClusters,
UTranslate translate, Map nodeImages) {
this.link = link;
this.edge = edge;
this.translate = translate;
this.nodeImages = nodeImages;
this.diagram = diagram;
this.centerLabel = centerLabel;
this.tailLabel = tailLabel;
this.headLabel = headLabel;
this.styleName = styleName;
this.magicY2 = magicY2;
this.elkClusters = elkClusters;
}
private Style getStyle() {
final StyleSignature result = StyleSignatureBasic
.of(SName.root, SName.element, diagram.getUmlDiagramType().getStyleName(), SName.arrow)
.withTOBECHANGED(link.getStereotype());
return result.getMergedStyle(diagram.getSkinParam().getCurrentStyleBuilder());
}
@DuplicateCode(reference = "SvekEdge")
public void drawU(UGraphic ug) {
if (link.isHidden())
return;
ug = ug.apply(translate);
UGraphic ugOrig = ug;
final ISkinParam skinParam = diagram.getSkinParam();
final Style styleLine = getStyle();
HColor color = styleLine.value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());
if (this.link.getColors() != null) {
final HColor newColor = this.link.getColors().getColor(ColorType.ARROW, ColorType.LINE);
if (newColor != null)
color = newColor;
} else if (this.link.getSpecificColor() != null) {
color = this.link.getSpecificColor();
}
final LinkType linkType = link.getType();
final UStroke suggestedStroke = styleLine.getStroke();
final UStroke defaultThickness = diagram.getSkinParam().getThickness(LineParam.arrow, null);
UStroke stroke;
if (suggestedStroke == null || linkType.getStyle().isNormal() == false)
stroke = linkType.getStroke3(defaultThickness);
else
stroke = linkType.getStroke3(suggestedStroke);
if (link.getColors() != null && link.getColors().getSpecificLineStroke() != null)
stroke = link.getColors().getSpecificLineStroke();
final MyElkCluster elkCluster1 = elkClusters.get(link.getEntity1());
final MyElkCluster elkCluster2 = elkClusters.get(link.getEntity2());
final IEntityImage elkNode1 = nodeImages.get(link.getEntity1());
final IEntityImage elkNode2 = nodeImages.get(link.getEntity2());
MagneticBorder magneticBorder1 = new MagneticBorderNone();
MagneticBorder magneticBorder2 = new MagneticBorderNone();
if (elkNode1 != null)
magneticBorder1 = elkNode1.getMagneticBorder();
else if (elkCluster1 != null)
magneticBorder1 = elkCluster1.getMagneticBorder(ug.getStringBounder());
if (elkNode2 != null)
magneticBorder2 = elkNode2.getMagneticBorder();
if (elkCluster2 != null)
magneticBorder2 = elkCluster2.getMagneticBorder(ug.getStringBounder());
ug = ug.apply(stroke).apply(color);
final List sections = edge.getSections();
if (sections.size() == 0) {
System.err.println("Strange: no section?");
System.err.println("Maybe a 'Long hierarchical edge' " + edge.isHierarchical());
return;
} else {
drawSections(ug, sections, magneticBorder1, magneticBorder2);
}
final UDrawable extremityFactory1 = getDecors(link.getType().getDecor1(), Math.PI / 2, HColors.WHITE);
final UDrawable extremityFactory2 = getDecors(link.getType().getDecor2(), -Math.PI / 2, HColors.WHITE);
if (extremityFactory1 != null) {
final double x = sections.get(0).getEndX();
final double y = sections.get(0).getEndY();
extremityFactory1.drawU(ug.apply(stroke.onlyThickness()).apply(new UTranslate(x, y)));
}
if (extremityFactory2 != null) {
final double x = sections.get(0).getStartX();
final double y = sections.get(0).getStartY();
extremityFactory2.drawU(ug.apply(stroke.onlyThickness()).apply(new UTranslate(x, y)));
}
// ugOrig..remove thickness and line stroke (e.g. if arrow text is drawn with
// table)
// correct text color is missing
drawLabels(ugOrig);
}
private UDrawable getDecors(LinkDecor decors, double angle, HColor backColor) {
// For legacy reason, extends are treated differently
if (decors == LinkDecor.EXTENDS)
return new ExtremityFactoryExtends(backColor).createUDrawable(new XPoint2D(0, 0), angle, null);
final ExtremityFactory extremityFactory = decors.getExtremityFactoryLegacy(backColor);
if (extremityFactory == null)
return null;
return extremityFactory.createUDrawable(new XPoint2D(0, 0), angle, null);
}
private void drawLabels(UGraphic ug) {
for (ElkLabel label : edge.getLabels()) {
final double x = label.getX();
final double y = label.getY();
final TextBlock labelLink;
// Nasty trick: we store the type of label (center/head/tail) in the text
final String type = label.getText();
if ("X".equals(type))
labelLink = centerLabel;
else if ("1".equals(type))
labelLink = tailLabel;
else if ("2".equals(type))
labelLink = headLabel;
else
continue;
labelLink.drawU(ug.apply(new UTranslate(x, y)));
}
}
private void drawSections(UGraphic ug, final Collection sections, MagneticBorder magneticBorder1,
MagneticBorder magneticBorder2) {
for (ElkEdgeSection section : sections) {
final Collection points = section.getBendPoints();
double x1 = section.getStartX();
double y1 = section.getStartY();
final XPoint2D tmpStart = new XPoint2D(x1, y1);
final UTranslate force1 = magneticBorder1.getForceAt(ug.getStringBounder(),
translate.getTranslated(tmpStart));
final XPoint2D start = force1.getTranslated(tmpStart);
x1 = start.x;
y1 = start.y;
for (ElkBendPoint pt : points) {
drawLine(ug, x1, y1, pt.getX(), pt.getY());
x1 = pt.getX();
y1 = pt.getY();
}
final XPoint2D tmpEnd = new XPoint2D(section.getEndX(), section.getEndY() + magicY2);
final UTranslate force2 = magneticBorder2.getForceAt(ug.getStringBounder(),
translate.getTranslated(tmpEnd));
final XPoint2D end = force2.getTranslated(tmpEnd);
drawLine(ug, x1, y1, end.x, end.y);
}
}
private void drawLine(UGraphic ug, double x1, double y1, double x2, double y2) {
final ULine line = new ULine(x2 - x1, y2 - y1);
ug.apply(new UTranslate(x1, y1)).draw(line);
}
}