mirror of https://github.com/octoleo/plantuml.git
193 lines
6.1 KiB
Java
193 lines
6.1 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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package net.sourceforge.plantuml.timingdiagram;
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import java.util.List;
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import java.util.Objects;
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import net.sourceforge.plantuml.Direction;
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import net.sourceforge.plantuml.ISkinParam;
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import net.sourceforge.plantuml.awt.geom.XDimension2D;
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import net.sourceforge.plantuml.awt.geom.XPoint2D;
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import net.sourceforge.plantuml.cucadiagram.Display;
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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.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.skin.ArrowConfiguration;
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import net.sourceforge.plantuml.style.PName;
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import net.sourceforge.plantuml.style.SName;
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import net.sourceforge.plantuml.style.Style;
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import net.sourceforge.plantuml.style.StyleBuilder;
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import net.sourceforge.plantuml.style.StyleSignatureBasic;
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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.UPolygon;
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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 TimeConstraint {
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private final TimeTick tick1;
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private final TimeTick tick2;
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private final Display label;
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private final ISkinParam skinParam;
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private final StyleBuilder styleBuilder;
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private final ArrowConfiguration config;
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private final double marginx;
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public TimeConstraint(double marginx, TimeTick tick1, TimeTick tick2, String label, ISkinParam skinParam,
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ArrowConfiguration config) {
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this.marginx = marginx;
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this.tick1 = Objects.requireNonNull(tick1);
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this.tick2 = Objects.requireNonNull(tick2);
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this.label = Display.getWithNewlines(label);
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this.skinParam = skinParam;
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this.styleBuilder = skinParam.getCurrentStyleBuilder();
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this.config = config;
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}
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public final boolean containsStrict(TimeTick other) {
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return tick1.compareTo(other) < 0 && tick2.compareTo(other) > 0;
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}
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public final TimeTick getTick1() {
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return tick1;
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}
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public final TimeTick getTick2() {
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return tick2;
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}
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public final Display getLabel() {
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return label;
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}
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private TextBlock getTextBlock(Display display) {
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return display.create(getFontConfiguration(), HorizontalAlignment.LEFT, skinParam);
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}
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private FontConfiguration getFontConfiguration() {
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return getStyle().getFontConfiguration(skinParam.getIHtmlColorSet());
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}
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public void drawU(UGraphic ug, TimingRuler ruler) {
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final HColor arrowColor = getArrowColor();
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ug = ug.apply(arrowColor).apply(arrowColor.bg());
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final double x1 = ruler.getPosInPixel(tick1) + marginx;
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final double x2 = ruler.getPosInPixel(tick2) - marginx;
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ug = ug.apply(UTranslate.dx(x1));
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final double len = x2 - x1;
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ug.apply(getUStroke()).draw(ULine.hline(len));
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if (len > 10) {
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ug.draw(getPolygon(Direction.LEFT, new XPoint2D(0, 0)));
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ug.draw(getPolygon(Direction.RIGHT, new XPoint2D(len, 0)));
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} else {
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ug.draw(getPolygon(Direction.RIGHT, new XPoint2D(0, 0)));
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ug.draw(getPolygon(Direction.LEFT, new XPoint2D(len, 0)));
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}
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final TextBlock text = getTextBlock(label);
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final XDimension2D dimText = text.calculateDimension(ug.getStringBounder());
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final double x = (len - dimText.getWidth()) / 2;
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text.drawU(ug.apply(new UTranslate(x, -getConstraintHeight(ug.getStringBounder()))));
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}
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private HColor getArrowColor() {
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final HColor configColor = config.getColor();
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if (configColor != null)
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return configColor;
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return getStyle().value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());
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}
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private Style getStyle() {
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return getStyleSignature().getMergedStyle(styleBuilder);
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}
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private UStroke getUStroke() {
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return getStyle().getStroke();
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}
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private StyleSignatureBasic getStyleSignature() {
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return StyleSignatureBasic.of(SName.root, SName.element, SName.timingDiagram, SName.constraintArrow);
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}
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public double getConstraintHeight(StringBounder stringBounder) {
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final TextBlock text = getTextBlock(label);
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final XDimension2D dimText = text.calculateDimension(stringBounder);
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return dimText.getHeight() + getTopMargin();
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}
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public static double getTopMargin() {
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return 5;
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}
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private UPolygon getPolygon(Direction dir, XPoint2D end) {
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final double dx = 8;
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final double dy = 4;
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final XPoint2D pt1;
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final XPoint2D pt2;
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if (dir == Direction.RIGHT) {
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pt1 = end.move(-dx, dy);
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pt2 = end.move(-dx, -dy);
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} else {
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pt1 = end.move(dx, dy);
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pt2 = end.move(dx, -dy);
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}
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final UPolygon polygon = new UPolygon();
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polygon.addPoint(pt1);
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polygon.addPoint(pt2);
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polygon.addPoint(end);
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return polygon;
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}
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public static double getHeightForConstraints(StringBounder stringBounder, List<TimeConstraint> constraints) {
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if (constraints.size() == 0)
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return 0;
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double result = 0;
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for (TimeConstraint constraint : constraints)
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result = Math.max(result, constraint.getConstraintHeight(stringBounder));
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return result;
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}
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}
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