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plantuml/src/net/sourceforge/plantuml/creole/legacy/AtomText.java
2022-08-19 18:34:21 +02:00

345 lines
11 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://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.creole.legacy;
import net.sourceforge.plantuml.awt.geom.Dimension2D;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.StringTokenizer;
import net.sourceforge.plantuml.BackSlash;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.LineBreakStrategy;
import net.sourceforge.plantuml.Log;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.creole.atom.AbstractAtom;
import net.sourceforge.plantuml.creole.atom.Atom;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UText;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.color.HColorScheme;
import net.sourceforge.plantuml.ugraphic.color.HColorAutomagic;
import net.sourceforge.plantuml.ugraphic.color.HColorSimple;
import net.sourceforge.plantuml.utils.CharHidder;
public final class AtomText extends AbstractAtom implements Atom {
protected interface DelayedDouble {
public double getDouble(StringBounder stringBounder);
}
private final FontConfiguration fontConfiguration;
private final String text;
private final DelayedDouble marginLeft;
private final DelayedDouble marginRight;
private final Url url;
private final boolean manageSpecialChars;
private TextBlock visibility;
protected AtomText(String text, FontConfiguration style, Url url, DelayedDouble marginLeft,
DelayedDouble marginRight, boolean manageSpecialChars) {
if (text.contains("" + BackSlash.hiddenNewLine()))
throw new IllegalArgumentException(text);
// if (text.length() > 0) {
// final VisibilityModifier visibilityModifier = VisibilityModifier.getByUnicode(text.charAt(0));
// if (visibilityModifier != null) {
// final HColor back = HColorUtils.GREEN;
// final HColor fore = HColorUtils.RED;
// visibility = visibilityModifier.getUBlock(11, fore, back, url != null);
// text = text.substring(1);
// }
// }
this.marginLeft = marginLeft;
this.marginRight = marginRight;
String s = CharHidder.unhide(text);
if (manageSpecialChars) {
s = StringUtils.showComparatorCharacters(s);
s = StringUtils.manageAmpDiese(s);
s = StringUtils.manageUnicodeNotationUplus(s);
s = StringUtils.manageTildeArobaseStart(s);
s = StringUtils.manageEscapedTabs(s);
}
this.manageSpecialChars = manageSpecialChars;
this.text = s;
this.fontConfiguration = style;
this.url = url;
}
private AtomText withText(String text) {
return new AtomText(text, fontConfiguration, url, marginLeft, marginRight, manageSpecialChars);
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
final Dimension2D rect = stringBounder.calculateDimension(fontConfiguration.getFont(), text);
Log.debug("g2d=" + rect);
Log.debug("Size for " + text + " is " + rect);
double h = rect.getHeight();
if (h < 10)
h = 10;
double width = text.indexOf("\t") == -1 ? rect.getWidth() : getWidth(stringBounder, text);
final double left = marginLeft.getDouble(stringBounder);
final double right = marginRight.getDouble(stringBounder);
if (visibility != null)
width += visibility.calculateDimension(stringBounder).getWidth();
return new Dimension2DDouble(width + left + right, h);
}
public void drawU(UGraphic ug) {
if (url != null)
ug.startUrl(url);
if (ug.matchesProperty("SPECIALTXT")) {
ug.draw(this);
} else {
if (visibility != null) {
visibility.drawU(ug.apply(UTranslate.dy(2)));
final double width = visibility.calculateDimension(ug.getStringBounder()).getWidth();
ug = ug.apply(UTranslate.dx(width));
}
HColor textColor = fontConfiguration.getColor();
FontConfiguration useFontConfiguration = fontConfiguration;
if (textColor instanceof HColorAutomagic && ug.getParam().getBackcolor() != null) {
textColor = ((HColorSimple) ug.getParam().getBackcolor()).opposite();
useFontConfiguration = fontConfiguration.changeColor(textColor);
}
if (textColor instanceof HColorScheme) {
HColor backcolor = ug.getParam().getBackcolor();
if (backcolor == null)
backcolor = ug.getDefaultBackground();
textColor = ((HColorScheme) textColor).getAppropriateColor(backcolor);
useFontConfiguration = fontConfiguration.changeColor(textColor);
}
if (marginLeft != AtomTextUtils.ZERO)
ug = ug.apply(UTranslate.dx(marginLeft.getDouble(ug.getStringBounder())));
final StringTokenizer tokenizer = new StringTokenizer(text, "\t", true);
// final int ypos = fontConfiguration.getSpace();
final Dimension2D rect = ug.getStringBounder().calculateDimension(fontConfiguration.getFont(), text);
final double descent = getDescent(ug.getStringBounder());
final double ypos = rect.getHeight() - descent;
double x = 0;
if (tokenizer.hasMoreTokens()) {
final double tabSize = getTabSize(ug.getStringBounder());
while (tokenizer.hasMoreTokens()) {
final String s = tokenizer.nextToken();
if (s.equals("\t")) {
final double remainder = x % tabSize;
x += tabSize - remainder;
} else {
final Dimension2D dim = ug.getStringBounder().calculateDimension(fontConfiguration.getFont(),
s);
final UText utext = new UText(s, useFontConfiguration);
ug.apply(new UTranslate(x, ypos)).draw(utext);
x += dim.getWidth();
}
}
}
}
if (url != null)
ug.closeUrl();
}
private double getWidth(StringBounder stringBounder, String text) {
final StringTokenizer tokenizer = new StringTokenizer(text, "\t", true);
final double tabSize = getTabSize(stringBounder);
double x = 0;
while (tokenizer.hasMoreTokens()) {
final String s = tokenizer.nextToken();
if (s.equals("\t")) {
final double remainder = x % tabSize;
x += tabSize - remainder;
} else {
final Dimension2D dim = stringBounder.calculateDimension(fontConfiguration.getFont(), s);
x += dim.getWidth();
}
}
return x;
}
private String tabString() {
final int nb = fontConfiguration.getTabSize();
if (nb >= 1 && nb < 7)
return " ".substring(0, nb);
return " ";
}
private double getDescent(StringBounder stringBounder) {
return stringBounder.getDescent(fontConfiguration.getFont(), text);
}
private double getTabSize(StringBounder stringBounder) {
return stringBounder.calculateDimension(fontConfiguration.getFont(), tabString()).getWidth();
}
private final Collection<String> splitted() {
final List<String> result = new ArrayList<>();
final StringBuilder pending = new StringBuilder();
for (int i = 0; i < text.length(); i++) {
final char ch = text.charAt(i);
if (isSeparator(ch)) {
if (pending.length() > 0)
result.add(pending.toString());
result.add("" + ch);
pending.setLength(0);
} else if (isChineseSentenceBoundary(ch)) {
pending.append(ch);
result.add(pending.toString());
pending.setLength(0);
} else {
pending.append(ch);
}
}
if (pending.length() > 0)
result.add(pending.toString());
return result;
}
private final Collection<String> splittedOld() {
final List<String> result = new ArrayList<>();
for (int i = 0; i < text.length(); i++) {
final char ch = text.charAt(i);
if (isSeparator(ch)) {
result.add("" + text.charAt(i));
} else {
final StringBuilder tmp = new StringBuilder();
tmp.append(ch);
while (i + 1 < text.length() && isSeparator(text.charAt(i + 1)) == false) {
i++;
tmp.append(text.charAt(i));
}
result.add(tmp.toString());
}
}
return result;
}
public List<Atom> getSplitted(StringBounder stringBounder, LineBreakStrategy maxWidthAsString) {
final double maxWidth = maxWidthAsString.getMaxWidth();
if (maxWidth == 0)
throw new IllegalStateException();
final List<Atom> result = new ArrayList<>();
final StringTokenizer st = new StringTokenizer(text, " ", true);
final StringBuilder currentLine = new StringBuilder();
while (st.hasMoreTokens()) {
final String token1 = st.nextToken();
for (String tmp : Arrays.asList(token1)) {
final double w = getWidth(stringBounder, currentLine + tmp);
if (w > maxWidth) {
result.add(withText(currentLine.toString()));
currentLine.setLength(0);
if (tmp.startsWith(" ") == false)
currentLine.append(tmp);
} else {
currentLine.append(tmp);
}
}
}
result.add(withText(currentLine.toString()));
return Collections.unmodifiableList(result);
}
@Override
public List<Atom> splitInTwo(StringBounder stringBounder, double width) {
final StringBuilder tmp = new StringBuilder();
for (String token : splitted()) {
if (tmp.length() > 0 && getWidth(stringBounder, tmp.toString() + token) > width) {
final Atom part1 = withText(tmp.toString());
String remain = text.substring(tmp.length());
while (remain.startsWith(" "))
remain = remain.substring(1);
final Atom part2 = withText(remain);
return Arrays.asList(part1, part2);
}
tmp.append(token);
}
return Collections.singletonList((Atom) this);
}
private boolean isSeparator(char ch) {
return Character.isWhitespace(ch);
}
private boolean isChineseSentenceBoundary(char ch) {
return ch == '\uFF01' // U+FF01 FULLWIDTH EXCLAMATION MARK (!)
// || ch == '\uFF08' // U+FF08 FULLWIDTH LEFT PARENTHESIS
// || ch == '\uFF09' // U+FF09 FULLWIDTH RIGHT PARENTHESIS
|| ch == '\uFF0C' // U+FF0C FULLWIDTH COMMA
|| ch == '\uFF1A' // U+FF1A FULLWIDTH COLON (:)
|| ch == '\uFF1B' // U+FF1B FULLWIDTH SEMICOLON (;)
|| ch == '\uFF1F' // U+FF1F FULLWIDTH QUESTION MARK (?)
|| ch == '\u3002'; // U+3002 IDEOGRAPHIC FULL STOP (.)
}
public final String getText() {
return text;
}
public double getStartingAltitude(StringBounder stringBounder) {
return fontConfiguration.getSpace();
}
@Override
public String toString() {
return text + " " + fontConfiguration;
}
public FontConfiguration getFontConfiguration() {
return fontConfiguration;
}
}