plantuml/src/net/sourceforge/plantuml/cucadiagram/BodyEnhancedAbstract.java

121 lines
4.1 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.cucadiagram;
import net.sourceforge.plantuml.ISkinSimple;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.awt.geom.Dimension2D;
import net.sourceforge.plantuml.graphic.AbstractTextBlock;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.graphic.TextBlockLineBefore;
import net.sourceforge.plantuml.graphic.TextBlockUtils;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.ugraphic.UGraphic;
public abstract class BodyEnhancedAbstract extends AbstractTextBlock implements TextBlock {
protected final HorizontalAlignment align;
protected final FontConfiguration titleConfig;
protected TextBlock area;
private final Style style;
BodyEnhancedAbstract(HorizontalAlignment align, FontConfiguration titleConfig, Style style) {
this.align = align;
this.titleConfig = titleConfig;
this.style = style;
}
public static boolean isBlockSeparator(CharSequence cs) {
final String s = cs.toString();
if (s.startsWith("--") && s.endsWith("--"))
return true;
if (s.startsWith("==") && s.endsWith("=="))
return true;
if (s.startsWith("..") && s.endsWith("..") && s.equals("...") == false)
return true;
if (s.startsWith("__") && s.endsWith("__"))
return true;
return false;
}
public final Dimension2D calculateDimension(StringBounder stringBounder) {
return getArea(stringBounder).calculateDimension(stringBounder);
}
final public void drawU(UGraphic ug) {
getArea(ug.getStringBounder()).drawU(ug);
}
final protected TextBlock getTitle(String s, ISkinSimple spriteContainer) {
if (s.length() <= 4)
return null;
s = StringUtils.trin(s.substring(2, s.length() - 2));
return Display.getWithNewlines(s).create(titleConfig, HorizontalAlignment.LEFT, spriteContainer);
}
abstract protected TextBlock getArea(StringBounder stringBounder);
abstract protected double getMarginX();
final protected TextBlock decorate(StringBounder stringBounder, TextBlock b, char separator, TextBlock title) {
final double marginX = getMarginX();
if (separator == 0)
return TextBlockUtils.withMargin(b, marginX, 0);
if (title == null)
return new TextBlockLineBefore(getDefaultThickness(), TextBlockUtils.withMargin(b, marginX, 4), separator);
final Dimension2D dimTitle = title.calculateDimension(stringBounder);
final TextBlock raw = new TextBlockLineBefore(getDefaultThickness(),
TextBlockUtils.withMargin(b, marginX, 6, dimTitle.getHeight() / 2, 4), separator, title);
return TextBlockUtils.withMargin(raw, 0, 0, dimTitle.getHeight() / 2, 0);
}
final protected double getDefaultThickness() {
return style.value(PName.LineThickness).asDouble();
}
}