plantuml/src/net/sourceforge/plantuml/activitydiagram3/ftile/vcompact/cond/FtileIfWithDiamonds.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.activitydiagram3.ftile.vcompact.cond;

import java.util.Arrays;
import java.util.Collection;

import net.sourceforge.plantuml.activitydiagram3.ftile.Ftile;
import net.sourceforge.plantuml.activitydiagram3.ftile.FtileGeometry;
import net.sourceforge.plantuml.activitydiagram3.ftile.Swimlane;
import net.sourceforge.plantuml.awt.geom.Dimension2D;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;

public class FtileIfWithDiamonds extends FtileIfNude {

	private static final double SUPP_WIDTH = 20;
	protected final Ftile diamond1;
	protected final Ftile diamond2;

	public FtileIfWithDiamonds(Ftile diamond1, Ftile tile1, Ftile tile2, Ftile diamond2, Swimlane in,
			StringBounder stringBounder) {
		super(tile1, tile2, in);
		this.diamond1 = diamond1;
		this.diamond2 = diamond2;
	}

	@Override
	public Collection<Ftile> getMyChildren() {
		return Arrays.asList(diamond1, diamond2, tile1, tile2);
	}

	public int getYdelta1a(StringBounder stringBounder) {
		if (getSwimlanes().size() > 1) {
			return 20;
		}
		return 10;
	}

	public int getYdelta1b(StringBounder stringBounder) {
		if (getSwimlanes().size() > 1) {
			return 10;
		}
		return hasTwoBranches(stringBounder) ? 6 : 0;
	}

	@Override
	protected double widthInner(StringBounder stringBounder) {
		final FtileGeometry dim1 = diamond1.calculateDimension(stringBounder);
		return Math.max(super.widthInner(stringBounder), dim1.getWidth() + SUPP_WIDTH);
	}

	@Override
	protected FtileGeometry calculateDimensionInternalSlow(StringBounder stringBounder) {
		final FtileGeometry dim1 = diamond1.calculateDimension(stringBounder);
		final FtileGeometry dim2 = diamond2.calculateDimension(stringBounder);

		final FtileGeometry dimNude = super.calculateDimensionInternalSlow(stringBounder);

		final FtileGeometry all = dim1.appendBottom(dimNude).appendBottom(dim2);

		return all.addDim(0, getYdelta1a(stringBounder) + getYdelta1b(stringBounder));

	}

	@Override
	public void drawU(UGraphic ug) {
		final StringBounder stringBounder = ug.getStringBounder();

		ug.apply(getTranslateDiamond1(stringBounder)).draw(diamond1);
		super.drawU(ug);
		ug.apply(getTranslateDiamond2(stringBounder)).draw(diamond2);
	}

	@Override
	protected UTranslate getTranslate1(StringBounder stringBounder) {
		final FtileGeometry dimDiamond1 = diamond1.calculateDimension(stringBounder);
		return super.getTranslate1(stringBounder)
				.compose(UTranslate.dy(dimDiamond1.getHeight() + getYdelta1a(stringBounder)));
	}

	@Override
	protected UTranslate getTranslate2(StringBounder stringBounder) {
		final FtileGeometry dimDiamond1 = diamond1.calculateDimension(stringBounder);
		return super.getTranslate2(stringBounder)
				.compose(UTranslate.dy(dimDiamond1.getHeight() + getYdelta1a(stringBounder)));
	}

	protected UTranslate getTranslateDiamond1(StringBounder stringBounder) {
		final double y1 = 0;
		final FtileGeometry dimTotal = calculateDimensionInternal(stringBounder);
		final FtileGeometry dimDiamond1 = diamond1.calculateDimension(stringBounder);
		final double x1 = dimTotal.getLeft() - dimDiamond1.getLeft();
		return new UTranslate(x1, y1);
	}

	protected UTranslate getTranslateDiamond2(StringBounder stringBounder) {
		final FtileGeometry dimTotal = calculateDimensionInternal(stringBounder);
		final FtileGeometry dimDiamond2 = diamond2.calculateDimension(stringBounder);
		final double y2 = dimTotal.getHeight() - dimDiamond2.getHeight();
		final double x2 = dimTotal.getLeft() - dimDiamond2.getWidth() / 2;
		return new UTranslate(x2, y2);
	}

	public double computeMarginNeedForBranchLabe1(StringBounder stringBounder, Dimension2D label1) {
		final double widthLabelBranch1 = label1.getWidth();
		final double dxDiamond = getTranslateDiamond1(stringBounder).getDx();
		final double diff = widthLabelBranch1 - dxDiamond;
		if (diff > 0) {
			return diff;
		}
		return 0;
	}

	public double computeMarginNeedForBranchLabe2(StringBounder stringBounder, Dimension2D label2) {
		final double widthLabelBranch2 = label2.getWidth();
		final double theoricalEndNeeded = getTranslateDiamond1(stringBounder).getDx()
				+ diamond1.calculateDimension(stringBounder).getWidth() + widthLabelBranch2;
		final double diff = theoricalEndNeeded - calculateDimension(stringBounder).getWidth();
		if (diff > 0) {
			return diff;
		}
		return 0;
	}

	public double computeVerticalMarginNeedForBranchs(StringBounder stringBounder, Dimension2D label1,
			Dimension2D label2) {
		final double heightLabels = Math.max(label1.getHeight(), label2.getHeight());
		final FtileGeometry dimDiamond1 = diamond1.calculateDimension(stringBounder);
		final double dyDiamond = dimDiamond1.getHeight();
		final double diff = heightLabels - dyDiamond;
		if (diff > 0) {
			return diff;
		}
		return 0;
	}

}