mirror of https://github.com/octoleo/plantuml.git
407 lines
14 KiB
Java
407 lines
14 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 2009-2020, 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.creole;
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import java.awt.font.LineMetrics;
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import java.awt.geom.Dimension2D;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.StringTokenizer;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import net.sourceforge.plantuml.BackSlash;
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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.LineBreakStrategy;
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import net.sourceforge.plantuml.Log;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.Url;
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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.HtmlColor;
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import net.sourceforge.plantuml.graphic.HtmlColorAutomatic;
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import net.sourceforge.plantuml.graphic.HtmlColorSimple;
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import net.sourceforge.plantuml.graphic.ImgValign;
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import net.sourceforge.plantuml.graphic.Splitter;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlockUtils;
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import net.sourceforge.plantuml.openiconic.OpenIcon;
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import net.sourceforge.plantuml.sprite.Sprite;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UText;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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import net.sourceforge.plantuml.utils.CharHidder;
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public class AtomText extends AbstractAtom implements Atom {
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interface DelayedDouble {
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public double getDouble(StringBounder stringBounder);
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}
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private static DelayedDouble ZERO = new DelayedDouble() {
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public double getDouble(StringBounder stringBounder) {
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return 0;
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}
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};
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private final FontConfiguration fontConfiguration;
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private final String text;
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private final DelayedDouble marginLeft;
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private final DelayedDouble marginRight;
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private final Url url;
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public static Atom create(String text, FontConfiguration fontConfiguration) {
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return new AtomText(text, fontConfiguration, null, ZERO, ZERO);
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}
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// public static AtomText createHeading(String text, FontConfiguration fontConfiguration, int order) {
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// fontConfiguration = FOO(fontConfiguration, order);
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// return new AtomText(text, fontConfiguration, null, ZERO, ZERO);
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// }
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public static Atom createUrl(Url url, FontConfiguration fontConfiguration, ISkinSimple skinSimple) {
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fontConfiguration = fontConfiguration.hyperlink();
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final Display display = Display.getWithNewlines(url.getLabel());
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if (display.size() > 1) {
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final List<Atom> all = new ArrayList<Atom>();
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for (CharSequence s : display.as()) {
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all.add(createAtomText(s.toString(), url, fontConfiguration, skinSimple));
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}
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return new AtomVerticalTexts(all);
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}
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return createAtomText(url.getLabel(), url, fontConfiguration, skinSimple);
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}
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private static Atom createAtomText(final String text, Url url, FontConfiguration fontConfiguration,
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ISkinSimple skinSimple) {
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final Pattern p = Pattern.compile(Splitter.openiconPattern + "|" + Splitter.spritePattern2 + "|"
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+ Splitter.imgPatternNoSrcColon);
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final Matcher m = p.matcher(text);
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final List<Atom> result = new ArrayList<Atom>();
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while (m.find()) {
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final StringBuffer sb = new StringBuffer();
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m.appendReplacement(sb, "");
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if (sb.length() > 0) {
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result.add(new AtomText(sb.toString(), fontConfiguration, url, ZERO, ZERO));
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}
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final String valOpenicon = m.group(1);
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final String valSprite = m.group(3);
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final String valImg = m.group(5);
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if (valOpenicon != null) {
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final OpenIcon openIcon = OpenIcon.retrieve(valOpenicon);
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if (openIcon != null) {
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final double scale = CommandCreoleImg.getScale(m.group(2), 1);
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result.add(new AtomOpenIcon(null, scale, openIcon, fontConfiguration, url));
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}
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} else if (valSprite != null) {
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final Sprite sprite = skinSimple.getSprite(valSprite);
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if (sprite != null) {
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final double scale = CommandCreoleImg.getScale(m.group(4), 1);
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result.add(new AtomSprite(null, scale, fontConfiguration, sprite, url));
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}
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} else if (valImg != null) {
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final double scale = CommandCreoleImg.getScale(m.group(6), 1);
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result.add(AtomImg.create(valImg, ImgValign.TOP, 0, scale, url));
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}
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}
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final StringBuffer sb = new StringBuffer();
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m.appendTail(sb);
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if (sb.length() > 0) {
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result.add(new AtomText(sb.toString(), fontConfiguration, url, ZERO, ZERO));
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}
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if (result.size() == 1) {
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return result.get(0);
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}
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return new AtomHorizontalTexts(result);
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}
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public static Atom createListNumber(final FontConfiguration fontConfiguration, final int order, int localNumber) {
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final DelayedDouble left = new DelayedDouble() {
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public double getDouble(StringBounder stringBounder) {
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final Dimension2D dim = stringBounder.calculateDimension(fontConfiguration.getFont(), "9. ");
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return dim.getWidth() * order;
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}
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};
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final DelayedDouble right = new DelayedDouble() {
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public double getDouble(StringBounder stringBounder) {
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final Dimension2D dim = stringBounder.calculateDimension(fontConfiguration.getFont(), ".");
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return dim.getWidth();
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}
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};
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return new AtomText("" + (localNumber + 1) + ".", fontConfiguration, null, left, right);
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}
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@Override
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public String toString() {
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return text + " " + fontConfiguration;
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}
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private AtomText(String text, FontConfiguration style, Url url, DelayedDouble marginLeft, DelayedDouble marginRight) {
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if (text.contains("" + BackSlash.hiddenNewLine())) {
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throw new IllegalArgumentException(text);
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}
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this.marginLeft = marginLeft;
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this.marginRight = marginRight;
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this.text = StringUtils.manageTildeArobaseStart(StringUtils.manageUnicodeNotationUplus(StringUtils
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.manageAmpDiese(StringUtils.showComparatorCharacters(CharHidder.unhide(text)))));
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this.fontConfiguration = style;
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this.url = url;
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}
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public FontConfiguration getFontConfiguration() {
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return fontConfiguration;
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}
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public Dimension2D calculateDimension(StringBounder stringBounder) {
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final Dimension2D rect = stringBounder.calculateDimension(fontConfiguration.getFont(), text);
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Log.debug("g2d=" + rect);
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Log.debug("Size for " + text + " is " + rect);
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double h = rect.getHeight();
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if (h < 10) {
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h = 10;
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}
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final double width = text.indexOf('\t') == -1 ? rect.getWidth() : getWidth(stringBounder);
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final double left = marginLeft.getDouble(stringBounder);
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final double right = marginRight.getDouble(stringBounder);
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return new Dimension2DDouble(width + left + right, h);
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}
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private double getDescent() {
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final LineMetrics fm = TextBlockUtils.getLineMetrics(fontConfiguration.getFont(), text);
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final double descent = fm.getDescent();
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return descent;
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}
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public double getFontSize2D() {
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return fontConfiguration.getFont().getSize2D();
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}
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public double getStartingAltitude(StringBounder stringBounder) {
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return fontConfiguration.getSpace();
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}
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private double getTabSize(StringBounder stringBounder) {
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return stringBounder.calculateDimension(fontConfiguration.getFont(), tabString()).getWidth();
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}
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private String tabString() {
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final int nb = fontConfiguration.getTabSize();
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if (nb >= 1 && nb < 7) {
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return " ".substring(0, nb);
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}
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return " ";
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}
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public void drawU(UGraphic ug) {
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if (ug.matchesProperty("SPECIALTXT")) {
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ug.draw(this);
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return;
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}
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if (url != null) {
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ug.startUrl(url);
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}
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HtmlColor textColor = fontConfiguration.getColor();
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FontConfiguration useFontConfiguration = fontConfiguration;
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if (textColor instanceof HtmlColorAutomatic && ug.getParam().getBackcolor() != null) {
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textColor = ((HtmlColorSimple) ug.getParam().getBackcolor()).opposite();
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useFontConfiguration = fontConfiguration.changeColor(textColor);
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}
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if (marginLeft != ZERO) {
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ug = ug.apply(new UTranslate(marginLeft.getDouble(ug.getStringBounder()), 0));
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}
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final StringTokenizer tokenizer = new StringTokenizer(text, "\t", true);
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double x = 0;
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// final int ypos = fontConfiguration.getSpace();
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final Dimension2D rect = ug.getStringBounder().calculateDimension(fontConfiguration.getFont(), text);
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final double descent = getDescent();
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final double ypos = rect.getHeight() - descent;
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if (tokenizer.hasMoreTokens()) {
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final double tabSize = getTabSize(ug.getStringBounder());
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while (tokenizer.hasMoreTokens()) {
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final String s = tokenizer.nextToken();
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if (s.equals("\t")) {
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final double remainder = x % tabSize;
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x += tabSize - remainder;
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} else {
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final UText utext = new UText(s, useFontConfiguration);
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final Dimension2D dim = ug.getStringBounder().calculateDimension(fontConfiguration.getFont(), s);
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ug.apply(new UTranslate(x, ypos)).draw(utext);
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x += dim.getWidth();
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}
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}
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}
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if (url != null) {
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ug.closeAction();
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}
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}
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private double getWidth(StringBounder stringBounder) {
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return getWidth(stringBounder, text);
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}
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private double getWidth(StringBounder stringBounder, String text) {
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final StringTokenizer tokenizer = new StringTokenizer(text, "\t", true);
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final double tabSize = getTabSize(stringBounder);
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double x = 0;
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while (tokenizer.hasMoreTokens()) {
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final String s = tokenizer.nextToken();
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if (s.equals("\t")) {
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final double remainder = x % tabSize;
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x += tabSize - remainder;
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} else {
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final Dimension2D dim = stringBounder.calculateDimension(fontConfiguration.getFont(), s);
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x += dim.getWidth();
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}
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}
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return x;
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}
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public List<AtomText> getSplitted(StringBounder stringBounder, LineBreakStrategy maxWidthAsString) {
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final double maxWidth = maxWidthAsString.getMaxWidth();
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if (maxWidth == 0) {
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throw new IllegalStateException();
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}
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final List<AtomText> result = new ArrayList<AtomText>();
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final StringTokenizer st = new StringTokenizer(text, " ", true);
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final StringBuilder currentLine = new StringBuilder();
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while (st.hasMoreTokens()) {
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final String token1 = st.nextToken();
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for (String tmp : splitLong1(stringBounder, maxWidth, token1)) {
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final double w = getWidth(stringBounder, currentLine + tmp);
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if (w > maxWidth) {
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result.add(new AtomText(currentLine.toString(), fontConfiguration, url, marginLeft, marginRight));
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currentLine.setLength(0);
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if (tmp.startsWith(" ") == false) {
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currentLine.append(tmp);
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}
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} else {
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currentLine.append(tmp);
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}
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}
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}
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result.add(new AtomText(currentLine.toString(), fontConfiguration, url, marginLeft, marginRight));
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return Collections.unmodifiableList(result);
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}
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@Override
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public List<Atom> splitInTwo(StringBounder stringBounder, double width) {
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final StringBuilder tmp = new StringBuilder();
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for (String token : splitted()) {
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if (tmp.length() > 0 && getWidth(stringBounder, tmp.toString() + token) > width) {
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final Atom part1 = new AtomText(tmp.toString(), fontConfiguration, url, marginLeft, marginRight);
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String remain = text.substring(tmp.length());
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while (remain.startsWith(" ")) {
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remain = remain.substring(1);
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}
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final Atom part2 = new AtomText(remain, fontConfiguration, url, marginLeft, marginRight);
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return Arrays.asList(part1, part2);
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}
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tmp.append(token);
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}
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return Collections.singletonList((Atom) this);
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}
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private Collection<String> splitted() {
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final List<String> result = new ArrayList<String>();
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for (int i = 0; i < text.length(); i++) {
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final char ch = text.charAt(i);
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if (Character.isLetter(ch)) {
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final StringBuilder tmp = new StringBuilder();
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tmp.append(ch);
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while (i + 1 < text.length() && Character.isLetter(text.charAt(i + 1))) {
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i++;
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tmp.append(text.charAt(i));
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}
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result.add(tmp.toString());
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} else {
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result.add("" + text.charAt(i));
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}
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}
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return result;
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}
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private Collection<String> splittedOld() {
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final List<String> result = new ArrayList<String>();
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final StringTokenizer st = new StringTokenizer(text, " ", true);
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while (st.hasMoreTokens()) {
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final String token = st.nextToken();
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result.add(token);
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}
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return result;
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}
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private List<Atom> splitInTwoOld(StringBounder stringBounder, double width) {
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final StringTokenizer st = new StringTokenizer(text, " ", true);
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final StringBuilder tmp = new StringBuilder();
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while (st.hasMoreTokens()) {
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final String token = st.nextToken();
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if (tmp.length() > 0 && getWidth(stringBounder, tmp.toString() + token) > width) {
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final Atom part1 = new AtomText(tmp.toString(), fontConfiguration, url, marginLeft, marginRight);
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String remain = text.substring(tmp.length());
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while (remain.startsWith(" ")) {
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remain = remain.substring(1);
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}
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final Atom part2 = new AtomText(remain, fontConfiguration, url, marginLeft, marginRight);
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return Arrays.asList(part1, part2);
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}
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tmp.append(token);
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}
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return Collections.singletonList((Atom) this);
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}
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private List<String> splitLong1(StringBounder stringBounder, double maxWidth, String add) {
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return Arrays.asList(add);
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}
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public final String getText() {
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return text;
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}
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}
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