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170 lines
5.3 KiB
Java
170 lines
5.3 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2023, 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.sequencediagram.graphic;
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import java.util.Objects;
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import net.sourceforge.plantuml.Url;
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import net.sourceforge.plantuml.awt.geom.XDimension2D;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.sequencediagram.InGroupable;
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import net.sourceforge.plantuml.sequencediagram.NotePosition;
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import net.sourceforge.plantuml.skin.Area;
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import net.sourceforge.plantuml.skin.Component;
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import net.sourceforge.plantuml.skin.Context2D;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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final class NoteBox extends GraphicalElement implements InGroupable {
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private final NotePosition position;
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private final Url url;
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private final LivingParticipantBox p1;
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private final LivingParticipantBox p2;
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private final Component comp;
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private double delta = 0;
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public NoteBox(double startingY, Component comp, LivingParticipantBox p1, LivingParticipantBox p2,
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NotePosition position, Url url) {
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super(startingY);
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if (p2 != null ^ position == NotePosition.OVER_SEVERAL) {
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throw new IllegalArgumentException();
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}
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this.p1 = Objects.requireNonNull(p1);
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this.p2 = p2;
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this.position = position;
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this.url = url;
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this.comp = comp;
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}
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public double getRightShift(double y) {
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if (p1 == null) {
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return 0;
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}
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return p1.getLifeLine().getRightShift(y) + 5;
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}
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@Override
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final public double getPreferredWidth(StringBounder stringBounder) {
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final double preferredWidth = comp.getPreferredWidth(stringBounder);
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if (position == NotePosition.OVER_SEVERAL) {
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assert p1 != p2;
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final double diff1 = p2.getParticipantBox().getMaxX(stringBounder) - p1.getParticipantBox().getMinX();
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if (diff1 > preferredWidth) {
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return diff1;
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}
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}
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return preferredWidth;
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}
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@Override
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final public double getPreferredHeight(StringBounder stringBounder) {
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return comp.getPreferredHeight(stringBounder);
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}
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@Override
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protected void drawInternalU(UGraphic ug, double maxX, Context2D context) {
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final StringBounder stringBounder = ug.getStringBounder();
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final double xStart = getStartingX(stringBounder);
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ug = ug.apply(new UTranslate(xStart, getStartingY()));
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final XDimension2D dimensionToUse = new XDimension2D(getPreferredWidth(stringBounder),
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comp.getPreferredHeight(stringBounder));
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if (url != null) {
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ug.startUrl(url);
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}
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comp.drawU(ug, new Area(dimensionToUse), context);
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if (url != null) {
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ug.closeUrl();
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}
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}
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@Override
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public double getStartingX(StringBounder stringBounder) {
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final SegmentColored segment = getSegment(stringBounder);
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final int xStart;
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if (position == NotePosition.LEFT) {
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xStart = (int) (segment.getSegment().getPos1() - getPreferredWidth(stringBounder));
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} else if (position == NotePosition.RIGHT) {
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xStart = (int) (segment.getSegment().getPos2());
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} else if (position == NotePosition.OVER) {
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xStart = (int) (p1.getParticipantBox().getCenterX(stringBounder) - getPreferredWidth(stringBounder) / 2);
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} else if (position == NotePosition.OVER_SEVERAL) {
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final double centre = (p1.getParticipantBox().getCenterX(stringBounder) + p2.getParticipantBox()
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.getCenterX(stringBounder)) / 2.0;
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xStart = (int) (centre - getPreferredWidth(stringBounder) / 2.0);
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} else {
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throw new IllegalStateException();
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}
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return xStart + delta;
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}
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private SegmentColored getSegment(StringBounder stringBounder) {
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final SegmentColored segment = p1.getLiveThicknessAt(stringBounder, getStartingY());
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final SegmentColored segment2 = p1.getLiveThicknessAt(stringBounder,
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getStartingY() + comp.getPreferredHeight(stringBounder));
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return segment.merge(segment2);
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}
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public void pushToRight(double x) {
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this.delta += x;
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}
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public double getMaxX(StringBounder stringBounder) {
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return getStartingX(stringBounder) + getPreferredWidth(stringBounder);
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}
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public double getMinX(StringBounder stringBounder) {
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return getStartingX(stringBounder);
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}
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public String toString(StringBounder stringBounder) {
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return toString();
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}
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public final Url getUrl() {
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return url;
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}
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public NotePosition getNotePosition() {
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return position;
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}
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}
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