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• 1.2023.12
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• MutingLine.java

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net.sourceforge.plantuml.sequencediagram.teoz.MutingLine Maven / Gradle / Ivy

// 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:
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 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License V2.
 *
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [GNU General Public License V2]
 *
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
 *
 * You may obtain a copy of the License at
 *
 * https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this GPL v2 license.
 *
 * The generated images can then be used without any reference to the GPL v2 license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.sequencediagram.teoz;

import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.sequencediagram.Delay;
import net.sourceforge.plantuml.sequencediagram.Event;
import net.sourceforge.plantuml.sequencediagram.Participant;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.Component;
import net.sourceforge.plantuml.skin.ComponentType;
import net.sourceforge.plantuml.skin.Context2D;
import net.sourceforge.plantuml.skin.rose.Rose;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;

public class MutingLine {

	private final Rose skin;
	private final ISkinParam skinParam;
	private final boolean useContinueLineBecauseOfDelay;
	private final Map delays = new TreeMap();
	private final StyleBuilder styleBuilder;
	private final Participant participant;

	public MutingLine(Rose skin, ISkinParam skinParam, List events, Participant participant) {
		this.participant = participant;
		this.skin = skin;
		this.skinParam = skinParam;
		this.useContinueLineBecauseOfDelay = useContinueLineBecauseOfDelay(events);
		this.styleBuilder = skinParam.getCurrentStyleBuilder();
	}

	private boolean useContinueLineBecauseOfDelay(List events) {
		final String strategy = skinParam.getValue("lifelineStrategy");
		if ("nosolid".equalsIgnoreCase(strategy))
			return false;

		for (Event ev : events)
			if (ev instanceof Delay)
				return true;

		return false;
	}

	public void drawLine(UGraphic ug, Context2D context, double createY, double endY) {
		final ComponentType defaultLineType = useContinueLineBecauseOfDelay ? ComponentType.CONTINUE_LINE
				: ComponentType.PARTICIPANT_LINE;
		if (delays.size() > 0) {
			double y = createY;
			for (Map.Entry ent : delays.entrySet()) {
				if (ent.getKey() >= createY) {
					drawInternal(ug, context, y, ent.getKey(), defaultLineType);
					drawInternal(ug, context, ent.getKey(), ent.getKey() + ent.getValue(), ComponentType.DELAY_LINE);
					y = ent.getKey() + ent.getValue();
				}
			}
			drawInternal(ug, context, y, endY, defaultLineType);
		} else {
			drawInternal(ug, context, createY, endY, defaultLineType);
		}
	}

	private void drawInternal(UGraphic ug, Context2D context, double y1, double y2,
			final ComponentType defaultLineType) {
		if (y2 == y1)
			return;

		if (y2 < y1)
			throw new IllegalArgumentException();

		final Style style = defaultLineType.getStyleSignature().getMergedStyle(styleBuilder);
		final Component comp = skin.createComponent(new Style[] { style }, defaultLineType, null, skinParam,
				participant.getDisplay(skinParam.forceSequenceParticipantUnderlined()));
		final XDimension2D dim = comp.getPreferredDimension(ug.getStringBounder());
		final Area area = Area.create(dim.getWidth(), y2 - y1);
		comp.drawU(ug.apply(UTranslate.dy(y1)), area, context);
	}

	public void delayOn(double y, double height) {
		delays.put(y, height);
	}

}