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122 lines
4.2 KiB
Java
122 lines
4.2 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.salt.element;
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import net.sourceforge.plantuml.awt.geom.Dimension2D;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.StringTokenizer;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.ISkinSimple;
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import net.sourceforge.plantuml.cucadiagram.Display;
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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.ugraphic.UFont;
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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.URectangle;
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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 ElementDroplist extends AbstractElementText implements Element {
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private final int box = 12;
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private final TextBlock openDrop;
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public ElementDroplist(String text, UFont font, ISkinSimple spriteContainer) {
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super(extract(text), font, true, spriteContainer);
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final StringTokenizer st = new StringTokenizer(text, "^");
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final List<String> drop = new ArrayList<>();
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while (st.hasMoreTokens()) {
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drop.add(st.nextToken());
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}
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if (drop.size() > 0) {
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drop.remove(0);
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}
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if (drop.size() == 0) {
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this.openDrop = null;
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} else {
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this.openDrop = Display.create(drop).create(getConfig(), HorizontalAlignment.LEFT, spriteContainer);
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}
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}
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private static String extract(String text) {
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final int idx = text.indexOf('^');
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if (idx == -1) {
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return text;
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}
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return text.substring(0, idx);
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}
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public Dimension2D getPreferredDimension(StringBounder stringBounder, double x, double y) {
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final Dimension2D dim = getTextDimensionAt(stringBounder, x + 2);
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return Dimension2DDouble.delta(dim, 4 + box, 4);
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}
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public void drawU(UGraphic ug, int zIndex, Dimension2D dimToUse) {
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final Dimension2D dim = getPreferredDimension(ug.getStringBounder(), 0, 0);
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ug = ug.apply(getBlack());
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if (zIndex == 0) {
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ug.apply(getColorEE().bg())
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.draw(new URectangle(dim.getWidth() - 1, dim.getHeight() - 1));
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drawText(ug, 2, 2);
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final double xline = dim.getWidth() - box;
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ug.apply(UTranslate.dx(xline)).draw(ULine.vline(dim.getHeight() - 1));
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final UPolygon poly = new UPolygon();
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poly.addPoint(0, 0);
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poly.addPoint(box - 6, 0);
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final Dimension2D dimText = getPureTextDimension(ug.getStringBounder());
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poly.addPoint((box - 6) / 2, dimText.getHeight() - 8);
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ug.apply(HColors.changeBack(ug)).apply(new UTranslate(xline + 3, 6)).draw(poly);
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}
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if (openDrop != null) {
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final Dimension2D dimOpen = Dimension2DDouble.atLeast(openDrop.calculateDimension(ug.getStringBounder()),
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dim.getWidth() - 1, 0);
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ug = ug.apply(UTranslate.dy(dim.getHeight() - 1));
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ug.apply(getColorEE().bg())
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.draw(new URectangle(dimOpen.getWidth() - 1, dimOpen.getHeight() - 1));
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openDrop.drawU(ug);
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}
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}
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}
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