net.sourceforge.plantuml.asciiart.ComponentTextArrow Maven / Gradle / Ivy
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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 4169 $
*
*/
package net.sourceforge.plantuml.asciiart;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.sequencediagram.MessageNumber;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ArrowConfiguration;
import net.sourceforge.plantuml.skin.ArrowDirection;
import net.sourceforge.plantuml.skin.Component;
import net.sourceforge.plantuml.skin.ComponentType;
import net.sourceforge.plantuml.skin.Context2D;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.txt.UGraphicTxt;
public class ComponentTextArrow implements Component {
private final ComponentType type;
private final Display stringsToDisplay;
private final FileFormat fileFormat;
private final ArrowConfiguration config;
public ComponentTextArrow(ComponentType type, ArrowConfiguration config, Display stringsToDisplay,
FileFormat fileFormat) {
this.type = type;
this.config = config;
this.stringsToDisplay = clean(stringsToDisplay);
this.fileFormat = fileFormat;
}
private static Display clean(Display orig) {
if (orig.size() == 0 || orig.get(0) instanceof MessageNumber == false) {
return orig;
}
Display result = new Display();
for (int i = 0; i < orig.size(); i++) {
CharSequence element = orig.get(i);
if (i == 1) {
element = removeTag(orig.get(0).toString()) + " " + element;
}
if (i != 0) {
result = result.add(element);
}
}
return result;
}
private static String removeTag(String s) {
return s.replaceAll("\\<[^<>]+\\>", "");
}
public void drawU(UGraphic ug, Area area, Context2D context) {
final Dimension2D dimensionToUse = area.getDimensionToUse();
final UmlCharArea charArea = ((UGraphicTxt) ug).getCharArea();
final int width = (int) dimensionToUse.getWidth();
final int height = (int) dimensionToUse.getHeight();
final int textWidth = StringUtils.getWidth(stringsToDisplay);
final int yarrow = height - 2;
charArea.drawHLine(fileFormat == FileFormat.UTXT ? '\u2500' : '-', yarrow, 1, width);
if (config.isDotted()) {
for (int i = 1; i < width; i += 2) {
charArea.drawChar(' ', i, yarrow);
}
}
if (config.getArrowDirection() == ArrowDirection.LEFT_TO_RIGHT_NORMAL) {
charArea.drawChar('>', width - 1, yarrow);
} else if (config.getArrowDirection() == ArrowDirection.RIGHT_TO_LEFT_REVERSE) {
charArea.drawChar('<', 1, yarrow);
} else {
throw new UnsupportedOperationException();
}
charArea.drawStringsLR(stringsToDisplay.as(), (width - textWidth) / 2, 0);
}
public double getPreferredHeight(StringBounder stringBounder) {
return StringUtils.getHeight(stringsToDisplay) + 2;
}
public double getPreferredWidth(StringBounder stringBounder) {
return StringUtils.getWidth(stringsToDisplay) + 2;
}
}