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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: 11154 $
*
*/
package net.sourceforge.plantuml.graphic;
import java.awt.geom.Dimension2D;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.SpriteContainer;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.ugraphic.Sprite;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;
class SingleLine implements Line {
private final List blocs = new ArrayList();
private final HorizontalAlignment horizontalAlignment;
public SingleLine(String text, FontConfiguration fontConfiguration, HorizontalAlignment horizontalAlignment,
SpriteContainer spriteContainer) {
if (text.length() == 0) {
text = " ";
}
this.horizontalAlignment = horizontalAlignment;
final Splitter lineSplitter = new Splitter(text);
for (HtmlCommand cmd : lineSplitter.getHtmlCommands(false)) {
if (cmd instanceof Text) {
final String s = ((Text) cmd).getText();
blocs.add(new TileText(s, fontConfiguration, null));
} else if (cmd instanceof TextLink) {
final String s = ((TextLink) cmd).getText();
final Url url = ((TextLink) cmd).getUrl();
// blocs.add(new TileText(s, fontConfiguration.add(FontStyle.UNDERLINE), url));
blocs.add(new TileText(s, fontConfiguration, url));
} else if (cmd instanceof Img) {
blocs.add(((Img) cmd).createMonoImage());
} else if (cmd instanceof SpriteCommand) {
final Sprite sprite = spriteContainer.getSprite(((SpriteCommand) cmd).getSprite());
if (sprite != null) {
blocs.add(sprite.asTextBlock(fontConfiguration.getColor()));
}
} else if (cmd instanceof FontChange) {
fontConfiguration = ((FontChange) cmd).apply(fontConfiguration);
}
}
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
double width = 0;
double height = 0;
for (TextBlock b : blocs) {
final Dimension2D size2D = b.calculateDimension(stringBounder);
width += size2D.getWidth();
height = Math.max(height, size2D.getHeight());
}
return new Dimension2DDouble(width, height);
}
// private double maxDeltaY(Graphics2D g2d) {
// double result = 0;
// final Dimension2D dim = calculateDimension(StringBounderUtils.asStringBounder(g2d));
// for (TextBlock b : blocs) {
// if (b instanceof TileText == false) {
// continue;
// }
// final Dimension2D dimBloc = b.calculateDimension(StringBounderUtils.asStringBounder(g2d));
// final double deltaY = dim.getHeight() - dimBloc.getHeight() + ((TileText) b).getFontSize2D();
// result = Math.max(result, deltaY);
// }
// return result;
// }
private double maxDeltaY(UGraphic ug) {
double result = 0;
final Dimension2D dim = calculateDimension(ug.getStringBounder());
for (TextBlock b : blocs) {
if (b instanceof TileText == false) {
continue;
}
final Dimension2D dimBloc = b.calculateDimension(ug.getStringBounder());
final double deltaY = dim.getHeight() - dimBloc.getHeight() + ((TileText) b).getFontSize2D();
result = Math.max(result, deltaY);
}
return result;
}
public void drawU(UGraphic ug) {
final double deltaY = maxDeltaY(ug);
final StringBounder stringBounder = ug.getStringBounder();
final Dimension2D dim = calculateDimension(stringBounder);
double x = 0;
for (TextBlock b : blocs) {
if (b instanceof TileText) {
b.drawU(ug.apply(new UTranslate(x, deltaY)));
} else {
final double dy = dim.getHeight() - b.calculateDimension(stringBounder).getHeight();
b.drawU(ug.apply(new UTranslate(x, dy)));
}
x += b.calculateDimension(stringBounder).getWidth();
}
}
public HorizontalAlignment getHorizontalAlignment() {
return horizontalAlignment;
}
public List getUrls() {
final List result = new ArrayList();
for (TextBlock b : blocs) {
result.addAll(b.getUrls());
}
return Collections.unmodifiableList(result);
}
}