mirror of https://github.com/octoleo/plantuml.git
180 lines
5.6 KiB
Java
180 lines
5.6 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.svek;
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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.creole.CreoleMode;
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import net.sourceforge.plantuml.cucadiagram.Display;
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import net.sourceforge.plantuml.cucadiagram.Link;
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import net.sourceforge.plantuml.cucadiagram.entity.EntityImpl;
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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.graphic.UDrawable;
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import net.sourceforge.plantuml.svek.extremity.Extremity;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.URectangle;
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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.HColors;
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public class Kal implements UDrawable {
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private final TextBlock textBlock;
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private final Direction position;
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private XDimension2D dim;
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private UTranslate translate;
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private final SvekLine svekLine;
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private final EntityImpl entity;
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private final Link link;
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public Kal(SvekLine svekLine, String text, FontConfiguration font, ISkinParam skinParam, EntityImpl entity,
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Link link, StringBounder stringBounder) {
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this.svekLine = svekLine;
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this.entity = entity;
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this.link = link;
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this.textBlock = Display.getWithNewlines(text).create7(font, HorizontalAlignment.LEFT, skinParam,
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CreoleMode.SIMPLE_LINE);
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this.dim = XDimension2D.delta(this.textBlock.calculateDimension(stringBounder), 4, 2);
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if (link.getLength() == 1 && link.getEntity1() == entity) {
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this.position = Direction.RIGHT;
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entity.ensureMargins(new Margins(0, dim.getWidth(), 0, 0));
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} else if (link.getLength() == 1 && link.getEntity2() == entity) {
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this.position = Direction.LEFT;
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entity.ensureMargins(new Margins(dim.getWidth(), 0, 0, 0));
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} else if (link.getEntity1() == entity) {
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this.position = Direction.DOWN;
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entity.ensureMargins(new Margins(0, 0, dim.getHeight(), 0));
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} else if (link.getEntity2() == entity) {
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this.position = Direction.UP;
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entity.ensureMargins(new Margins(0, 0, 0, dim.getHeight()));
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} else {
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throw new IllegalStateException();
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}
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entity.addKal(this);
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}
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public XDimension2D getDimension() {
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return dim;
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}
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@Override
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public void drawU(UGraphic ug) {
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final URectangle rect = new URectangle(dim);
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ug = ug.apply(getTranslate());
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ug.apply(HColors.WHITE.bg()).apply(HColors.BLACK).apply(new UStroke(0.5)).draw(rect);
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textBlock.drawU(ug.apply(new UTranslate(2, 1)));
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}
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private UTranslate getTranslate() {
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return getTextDelta().compose(translate);
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}
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public double getX1() {
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return getTranslate().getDx() - 5;
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}
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public double getX2() {
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return getX1() + dim.getWidth() + 10;
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}
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private UTranslate getTextDelta() {
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switch (position) {
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case RIGHT:
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return UTranslate.dy(-dim.getHeight() / 2);
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case LEFT:
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return new UTranslate(-dim.getWidth() + 0.5, -dim.getHeight() / 2);
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case DOWN:
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return UTranslate.dx(-dim.getWidth() / 2);
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case UP:
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return new UTranslate(-dim.getWidth() / 2, -dim.getHeight() + 0.5);
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default:
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throw new IllegalStateException();
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}
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}
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public final Direction getPosition() {
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return position;
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}
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public void setTranslate(UTranslate translate, UDrawable decoration) {
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this.translate = translate;
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if (decoration instanceof Extremity) {
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final Extremity extremity = (Extremity) decoration;
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final UTranslate deltaForKal = extremity.getDeltaForKal();
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// this.translate = this.translate.compose(deltaForKal);
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}
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}
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public double overlapx(Kal other) {
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if (this.position != other.position)
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throw new IllegalArgumentException();
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if (other.getX1() >= this.getX1() && other.getX1() <= this.getX2())
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return this.getX2() - other.getX1();
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if (other.getX2() >= this.getX1() && other.getX2() <= this.getX2())
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return this.getX1() - other.getX2();
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if (this.getX1() >= other.getX1() && this.getX1() <= other.getX2())
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return other.getX2() - this.getX1();
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if (this.getX2() >= other.getX1() && this.getX2() <= other.getX2())
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return other.getX1() - this.getX2();
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return 0;
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}
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public void moveX(double dx) {
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if (dx == 0)
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return;
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this.translate = this.translate.compose(UTranslate.dx(dx));
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if (link.getEntity1() == entity)
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svekLine.moveStartPoint(dx, 0);
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}
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}
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