net.sourceforge.plantuml.skin.rose.ComponentRoseSelfArrow 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
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/* ========================================================================
 * 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: 11153 $
 *
 */
package net.sourceforge.plantuml.skin.rose;

import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;

import net.sourceforge.plantuml.SpriteContainer;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ArrowConfiguration;
import net.sourceforge.plantuml.skin.ArrowPart;
import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UPolygon;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;

public class ComponentRoseSelfArrow extends AbstractComponentRoseArrow {

	private final double arrowWidth = 45;
	private final boolean niceArrow;

	public ComponentRoseSelfArrow(HtmlColor foregroundColor, HtmlColor colorFont, UFont font, Display stringsToDisplay,
			ArrowConfiguration arrowConfiguration, SpriteContainer spriteContainer, double maxMessageSize,
			boolean niceArrow) {
		super(foregroundColor, colorFont, font, stringsToDisplay, arrowConfiguration, spriteContainer,
				HorizontalAlignment.LEFT, maxMessageSize);
		this.niceArrow = niceArrow;
	}

	@Override
	protected void drawInternalU(UGraphic ug, Area area) {
		final StringBounder stringBounder = ug.getStringBounder();
		final double textHeight = getTextHeight(stringBounder);

		ug = ug.apply(new UChangeColor(getForegroundColor()));
		final double x2 = arrowWidth - 3;

		if (getArrowConfiguration().isDotted()) {
			ug = stroke(ug, 2, 2);
		}

		final double dx1 = area.getDeltaX1() < 0 ? area.getDeltaX1() : 0;
		final double dx2 = area.getDeltaX1() > 0 ? -area.getDeltaX1() : 0;

		ug.apply(new UTranslate(dx1, textHeight)).draw(new ULine(x2 - dx1, 0));

		final double textAndArrowHeight = textHeight + getArrowOnlyHeight(stringBounder);

		ug.apply(new UTranslate(x2, textHeight)).draw(new ULine(0, textAndArrowHeight - textHeight));
		ug.apply(new UTranslate(dx2, textAndArrowHeight)).draw(new ULine(x2 - dx2, 0));

		if (getArrowConfiguration().isDotted()) {
			ug = ug.apply(new UStroke());
		}

		if (getArrowConfiguration().isAsync()) {
			if (getArrowConfiguration().getPart() != ArrowPart.BOTTOM_PART) {
				ug.apply(new UTranslate(dx2, textAndArrowHeight)).draw(new ULine(getArrowDeltaX(), -getArrowDeltaY()));
			}
			if (getArrowConfiguration().getPart() != ArrowPart.TOP_PART) {
				ug.apply(new UTranslate(dx2, textAndArrowHeight)).draw(new ULine(getArrowDeltaX(), getArrowDeltaY()));
			}
		} else {
			final UPolygon polygon = getPolygon(textAndArrowHeight);
			ug.apply(new UChangeBackColor(getForegroundColor())).apply(new UTranslate(dx2, 0)).draw(polygon);
		}

		getTextBlock().drawU(ug.apply(new UTranslate(getMarginX1(), 0)));
	}

	private UPolygon getPolygon(final double textAndArrowHeight) {
		final UPolygon polygon = new UPolygon();
		if (getArrowConfiguration().getPart() == ArrowPart.TOP_PART) {
			polygon.addPoint(getArrowDeltaX(), textAndArrowHeight - getArrowDeltaY());
			polygon.addPoint(0, textAndArrowHeight);
			polygon.addPoint(getArrowDeltaX(), textAndArrowHeight);
		} else if (getArrowConfiguration().getPart() == ArrowPart.BOTTOM_PART) {
			polygon.addPoint(getArrowDeltaX(), textAndArrowHeight);
			polygon.addPoint(0, textAndArrowHeight);
			polygon.addPoint(getArrowDeltaX(), textAndArrowHeight + getArrowDeltaY());
		} else {
			polygon.addPoint(getArrowDeltaX(), textAndArrowHeight - getArrowDeltaY());
			polygon.addPoint(0, textAndArrowHeight);
			polygon.addPoint(getArrowDeltaX(), textAndArrowHeight + getArrowDeltaY());
			if (niceArrow) {
				polygon.addPoint(getArrowDeltaX() - 4, textAndArrowHeight);
			}
		}
		return polygon;
	}

	public Point2D getStartPoint(StringBounder stringBounder, Dimension2D dimensionToUse) {
		final int textHeight = (int) getTextHeight(stringBounder);
		return new Point2D.Double(getPaddingX(), textHeight + getPaddingY());
	}

	public Point2D getEndPoint(StringBounder stringBounder, Dimension2D dimensionToUse) {
		final int textHeight = (int) getTextHeight(stringBounder);
		final int textAndArrowHeight = (int) (textHeight + getArrowOnlyHeight(stringBounder));
		return new Point2D.Double(getPaddingX(), textAndArrowHeight + getPaddingY());
	}

	@Override
	public double getPreferredHeight(StringBounder stringBounder) {
		return getTextHeight(stringBounder) + getArrowDeltaY() + getArrowOnlyHeight(stringBounder) + 2 * getPaddingY();
	}

	private double getArrowOnlyHeight(StringBounder stringBounder) {
		return 13;
	}

	@Override
	public double getPreferredWidth(StringBounder stringBounder) {
		return Math.max(getTextWidth(stringBounder), arrowWidth);
	}

}