/* ======================================================================== * 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: * * https://plantuml.com/patreon (only 1$ per month!) * https://plantuml.com/paypal * * This file is part of PlantUML. * * PlantUML is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * PlantUML distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * * Original Author: Arnaud Roques * * */ package net.sourceforge.plantuml.decoration.symbol; import java.util.Objects; import net.sourceforge.plantuml.klimt.Fashion; import net.sourceforge.plantuml.klimt.Shadowable; import net.sourceforge.plantuml.klimt.UPath; import net.sourceforge.plantuml.klimt.UTranslate; import net.sourceforge.plantuml.klimt.drawing.UGraphic; import net.sourceforge.plantuml.klimt.drawing.UGraphicStencil; import net.sourceforge.plantuml.klimt.font.StringBounder; import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment; import net.sourceforge.plantuml.klimt.geom.MagneticBorder; import net.sourceforge.plantuml.klimt.geom.XDimension2D; import net.sourceforge.plantuml.klimt.geom.XPoint2D; import net.sourceforge.plantuml.klimt.shape.AbstractTextBlock; import net.sourceforge.plantuml.klimt.shape.TextBlock; import net.sourceforge.plantuml.klimt.shape.TextBlockUtils; import net.sourceforge.plantuml.klimt.shape.ULine; import net.sourceforge.plantuml.klimt.shape.UPolygon; import net.sourceforge.plantuml.style.SName; public class USymbolFolder extends USymbol { private final static int marginTitleX1 = 3; private final static int marginTitleX2 = 3; private final static int marginTitleX3 = 7; private final static int marginTitleY0 = 0; private final static int marginTitleY1 = 3; private final static int marginTitleY2 = 3; private final SName sname; private final boolean showTitle; public USymbolFolder(SName sname, boolean showTitle) { this.showTitle = showTitle; this.sname = sname; } @Override public String toString() { return super.toString() + " " + showTitle; } @Override public SName getSName() { return sname; } private void drawFolder(UGraphic ug, double width, double height, XDimension2D dimName, double shadowing, double roundCorner) { final double wtitle = getWTitle(width, dimName); final double htitle = getHTitle(dimName); final Shadowable shape; if (roundCorner == 0) { final UPolygon poly = new UPolygon(); poly.addPoint(0, 0); poly.addPoint(wtitle, 0); poly.addPoint(wtitle + marginTitleX3, htitle); poly.addPoint(width, htitle); poly.addPoint(width, height); poly.addPoint(0, height); poly.addPoint(0, 0); shape = poly; } else { final UPath path = new UPath(); path.moveTo(roundCorner / 2, 0); path.lineTo(wtitle - roundCorner / 2, 0); // path.lineTo(wtitle, roundCorner / 2); path.arcTo(new XPoint2D(wtitle, roundCorner / 2), roundCorner / 2 * 1.5, 0, 1); path.lineTo(wtitle + marginTitleX3, htitle); path.lineTo(width - roundCorner / 2, htitle); path.arcTo(new XPoint2D(width, htitle + roundCorner / 2), roundCorner / 2, 0, 1); path.lineTo(width, height - roundCorner / 2); path.arcTo(new XPoint2D(width - roundCorner / 2, height), roundCorner / 2, 0, 1); path.lineTo(roundCorner / 2, height); path.arcTo(new XPoint2D(0, height - roundCorner / 2), roundCorner / 2, 0, 1); path.lineTo(0, roundCorner / 2); path.arcTo(new XPoint2D(roundCorner / 2, 0), roundCorner / 2, 0, 1); path.closePath(); shape = path; } shape.setDeltaShadow(shadowing); ug.draw(shape); ug.apply(UTranslate.dy(htitle)).draw(ULine.hline(wtitle + marginTitleX3)); } private double getWTitle(double width, XDimension2D dimTitle) { final double wtitle; if (dimTitle.getWidth() == 0) wtitle = Math.max(30, width / 4); else wtitle = dimTitle.getWidth() + marginTitleX1 + marginTitleX2; return wtitle; } private double getHTitle(XDimension2D dimTitle) { final double htitle; if (dimTitle.getWidth() == 0) htitle = 10; else htitle = dimTitle.getHeight() + marginTitleY1 + marginTitleY2; return htitle; } private Margin getMargin() { return new Margin(10, 10 + 10, 10 + 3, 10); } @Override public TextBlock asSmall(final TextBlock name, final TextBlock label, final TextBlock stereotype, final Fashion symbolContext, final HorizontalAlignment stereoAlignment) { Objects.requireNonNull(name); return new AbstractTextBlock() { public void drawU(UGraphic ug) { final XDimension2D dim = calculateDimension(ug.getStringBounder()); ug = UGraphicStencil.create(ug, dim); ug = symbolContext.apply(ug); final XDimension2D dimName = getDimName(ug.getStringBounder()); drawFolder(ug, dim.getWidth(), dim.getHeight(), dimName, symbolContext.getDeltaShadow(), symbolContext.getRoundCorner()); final Margin margin = getMargin(); final TextBlock tb = TextBlockUtils.mergeTB(stereotype, label, HorizontalAlignment.CENTER); if (showTitle) name.drawU(ug.apply(new UTranslate(4, 3))); tb.drawU(ug.apply(new UTranslate(margin.getX1(), margin.getY1() + dimName.getHeight()))); } private XDimension2D getDimName(StringBounder stringBounder) { return showTitle ? name.calculateDimension(stringBounder) : new XDimension2D(40, 15); } public XDimension2D calculateDimension(StringBounder stringBounder) { final XDimension2D dimName = getDimName(stringBounder); final XDimension2D dimLabel = label.calculateDimension(stringBounder); final XDimension2D dimStereo = stereotype.calculateDimension(stringBounder); return getMargin().addDimension(dimName.mergeTB(dimStereo, dimLabel)); } @Override public MagneticBorder getMagneticBorder() { return new MagneticBorder() { @Override public UTranslate getForceAt(StringBounder stringBounder, XPoint2D position) { final XDimension2D dim = calculateDimension(stringBounder); final XDimension2D dimName = getDimName(stringBounder); final double wtitle = getWTitle(dim.getWidth(), dimName); final double htitle = getHTitle(dimName); if (position.getX() >= wtitle && position.getY() >= 0 && position.getY() <= htitle) return new UTranslate(0, htitle); if (position.getY() <= 0 && position.getX() >= wtitle + marginTitleX3) return new UTranslate(0, htitle); if (position.getY() <= 0 && position.getX() >= wtitle - marginTitleX3) { final double delta = position.getX() - (wtitle - marginTitleX3); final double how = delta / (2 * marginTitleX3); return new UTranslate(0, htitle * how); } return new UTranslate(); } }; } }; } @Override public TextBlock asBig(final TextBlock title, HorizontalAlignment labelAlignment, final TextBlock stereotype, final double width, final double height, final Fashion symbolContext, final HorizontalAlignment stereoAlignment) { return new AbstractTextBlock() { public void drawU(UGraphic ug) { final StringBounder stringBounder = ug.getStringBounder(); final XDimension2D dim = calculateDimension(stringBounder); ug = symbolContext.apply(ug); final XDimension2D dimTitle = title.calculateDimension(stringBounder); drawFolder(ug, dim.getWidth(), dim.getHeight(), dimTitle, symbolContext.getDeltaShadow(), symbolContext.getRoundCorner()); title.drawU(ug.apply(new UTranslate(4, 2))); final XDimension2D dimStereo = stereotype.calculateDimension(stringBounder); final double posStereo = (width - dimStereo.getWidth()) / 2; stereotype.drawU(ug.apply(new UTranslate(4 + posStereo, 2 + getHTitle(dimTitle)))); } public XDimension2D calculateDimension(StringBounder stringBounder) { return new XDimension2D(width, height); } }; } }