plantuml/src/net/sourceforge/plantuml/activitydiagram3/ftile/vertical/FtileDiamondInside2.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2020, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
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 * This file is part of PlantUML.
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 * 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
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 * 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,
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 * Original Author:  Arnaud Roques
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 */
package net.sourceforge.plantuml.activitydiagram3.ftile.vertical;

import java.awt.geom.Dimension2D;

import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.activitydiagram3.ftile.FtileGeometry;
import net.sourceforge.plantuml.activitydiagram3.ftile.Hexagon;
import net.sourceforge.plantuml.activitydiagram3.ftile.Swimlane;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.graphic.TextBlockUtils;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;

public class FtileDiamondInside2 extends FtileDiamondWIP {

	public FtileDiamondInside2(TextBlock label, ISkinParam skinParam, HColor backColor, HColor borderColor,
			Swimlane swimlane) {
		this(label, skinParam, backColor, borderColor, swimlane, TextBlockUtils.empty(0, 0), TextBlockUtils.empty(0, 0),
				TextBlockUtils.empty(0, 0), TextBlockUtils.empty(0, 0));
	}

	public FtileDiamondInside2 withNorth(TextBlock north) {
		return new FtileDiamondInside2(label, skinParam(), backColor, borderColor, swimlane, north, south, west, east);
	}

	public FtileDiamondInside2 withWest(TextBlock west) {
		return new FtileDiamondInside2(label, skinParam(), backColor, borderColor, swimlane, north, south, west, east);
	}

	public FtileDiamondInside2 withEast(TextBlock east) {
		return new FtileDiamondInside2(label, skinParam(), backColor, borderColor, swimlane, north, south, west, east);
	}

	public FtileDiamondInside2 withSouth(TextBlock south) {
		return new FtileDiamondInside2(label, skinParam(), backColor, borderColor, swimlane, north, south, west, east);
	}

	private FtileDiamondInside2(TextBlock label, ISkinParam skinParam, HColor backColor, HColor borderColor,
			Swimlane swimlane, TextBlock north, TextBlock south, TextBlock west, TextBlock east) {
		super(label, skinParam, backColor, borderColor, swimlane, north, south, east, west);
	}

	public void drawU(UGraphic ug) {
		final StringBounder stringBounder = ug.getStringBounder();
		final Dimension2D dimLabel = label.calculateDimension(stringBounder);
		final Dimension2D dimTotal = calculateDimensionAlone(stringBounder);
		ug = ug.apply(borderColor).apply(getThickness(getStyle())).apply(backColor.bg());
		ug.draw(Hexagon.asPolygon(shadowing, dimTotal.getWidth(), dimTotal.getHeight()));

		north.drawU(ug.apply(new UTranslate(4 + dimTotal.getWidth() / 2, dimTotal.getHeight())));
		south.drawU(ug.apply(new UTranslate(4 + dimTotal.getWidth() / 2, dimTotal.getHeight())));

		final double lx = (dimTotal.getWidth() - dimLabel.getWidth()) / 2;
		final double ly = (dimTotal.getHeight() - dimLabel.getHeight()) / 2;
		label.drawU(ug.apply(new UTranslate(lx, ly)));

		final Dimension2D dimWeat = west.calculateDimension(stringBounder);
		west.drawU(ug.apply(new UTranslate(-dimWeat.getWidth(), -dimWeat.getHeight() + dimTotal.getHeight() / 2)));

		final Dimension2D dimEast = east.calculateDimension(stringBounder);
		east.drawU(ug.apply(new UTranslate(dimTotal.getWidth(), -dimEast.getHeight() + dimTotal.getHeight() / 2)));

	}

	private FtileGeometry calculateDimensionAlone(StringBounder stringBounder) {
		final Dimension2D dimLabel = label.calculateDimension(stringBounder);
		final Dimension2D dim;
		if (dimLabel.getWidth() == 0 || dimLabel.getHeight() == 0) {
			dim = new Dimension2DDouble(Hexagon.hexagonHalfSize * 2, Hexagon.hexagonHalfSize * 2);
		} else {
			dim = Dimension2DDouble.delta(
					Dimension2DDouble.atLeast(dimLabel, Hexagon.hexagonHalfSize * 2, Hexagon.hexagonHalfSize * 2),
					Hexagon.hexagonHalfSize * 2, 0);
		}
		return new FtileGeometry(dim, dim.getWidth() / 2, 0, dim.getHeight());
	}

	@Override
	protected FtileGeometry calculateDimensionFtile(StringBounder stringBounder) {
		final Dimension2D diamond = calculateDimensionAlone(stringBounder);
		final Dimension2D north = this.north.calculateDimension(stringBounder);
		final double height = diamond.getHeight() + north.getHeight();
		final double left = diamond.getWidth() / 2;
		final double width = north.getWidth() > left ? left + north.getWidth() : diamond.getWidth();
		return new FtileGeometry(width, height, left, 0, diamond.getHeight());
	}

}