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plantuml/src/net/sourceforge/plantuml/sequencediagram/LinkAnchor.java
2023-02-22 19:43:48 +01:00

122 lines
4.3 KiB
Java

/* ========================================================================
* 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/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.sequencediagram;
import net.sourceforge.plantuml.activitydiagram3.ftile.Snake;
import net.sourceforge.plantuml.decoration.Rainbow;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.sequencediagram.teoz.CommonTile;
import net.sourceforge.plantuml.sequencediagram.teoz.YGauge;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
public class LinkAnchor {
private final String anchor1;
private final String anchor2;
private final String message;
public LinkAnchor(String anchor1, String anchor2, String message) {
this.anchor1 = anchor1;
this.anchor2 = anchor2;
this.message = message;
}
@Override
public String toString() {
return anchor1 + "<->" + anchor2 + " " + message;
}
public final String getAnchor1() {
return anchor1;
}
public final String getAnchor2() {
return anchor2;
}
public final String getMessage() {
return message;
}
public void drawAnchor(UGraphic ug, CommonTile tile1, CommonTile tile2, ISkinParam skinParam) {
final double y1;
final double y2;
if (YGauge.USE_ME) {
y1 = (tile1.getYGauge().getMin().getCurrentValue() + tile1.getYGauge().getMax().getCurrentValue()) / 2
+ tile1.getContactPointRelative();
y2 = (tile2.getYGauge().getMin().getCurrentValue() + tile2.getYGauge().getMax().getCurrentValue()) / 2
+ tile2.getContactPointRelative();
} else {
y1 = tile1.getTimeHook().getValue() + tile1.getContactPointRelative();
y2 = tile2.getTimeHook().getValue() + tile2.getContactPointRelative();
}
final double xx1 = tile1.getMiddleX();
final double xx2 = tile2.getMiddleX();
final double x = (xx1 + xx2) / 2;
final double ymin = Math.min(y1, y2);
final double ymax = Math.max(y1, y2);
final StyleSignatureBasic signature = StyleSignatureBasic.of(SName.root, SName.element, SName.sequenceDiagram,
SName.arrow);
final Style style = signature.getMergedStyle(skinParam.getCurrentStyleBuilder());
final HColor color = style.value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());
final FontConfiguration fontConfiguration = FontConfiguration.create(skinParam, style);
final Rainbow rainbow = Rainbow.fromColor(color, null);
final Display display = Display.getWithNewlines(message);
final TextBlock title = display.create(fontConfiguration, HorizontalAlignment.CENTER, skinParam);
final Snake snake = Snake.create(skinParam, skinParam.arrows().asToUp(), rainbow, skinParam.arrows().asToDown())
.withLabel(title, HorizontalAlignment.CENTER);
snake.addPoint(x, ymin + 2);
snake.addPoint(x, ymax - 2);
snake.drawInternal(ug);
}
}