TileParallel.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.sequencediagram.teoz;

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.shape.UDrawable;
import net.sourceforge.plantuml.real.Real;
import net.sourceforge.plantuml.real.RealUtils;
import net.sourceforge.plantuml.sequencediagram.Event;

public class TileParallel extends CommonTile {

	public TileParallel(StringBounder stringBounder, Real currentY) {
		super(stringBounder);
	}

	private final List<Tile> tiles = new ArrayList<>();

	@Override
	public YGauge getYGauge() {
		final List<Real> mins = new ArrayList<>();
		final List<Real> maxs = new ArrayList<>();
		for (Tile tile : tiles) {
			final YGauge yGauge = tile.getYGauge();
			mins.add(yGauge.getMin());
			maxs.add(yGauge.getMax());
		}
		return new YGauge(RealUtils.min(mins), RealUtils.max(maxs));
	}

	@Override
	final protected void callbackY_internal(TimeHook y) {
		super.callbackY_internal(y);
	}

	public void add(Tile tile) {
		this.tiles.add(tile);
	}

	public void drawU(UGraphic ug) {
		final double yPointAll = getContactPointRelative();
		for (Tile tile : tiles) {
			final double yPoint = tile.getContactPointRelative();
			((UDrawable) tile).drawU(ug.apply(UTranslate.dy(yPointAll - yPoint)));
		}
	}

	public double getContactPointRelative() {
		double result = 0;
		for (Tile tile : tiles)
			result = Math.max(result, tile.getContactPointRelative());

		return result;
	}

	public double getZZZ() {
		double result = 0;
		for (Tile tile : tiles)
			result = Math.max(result, tile.getZZZ());

		return result;
	}

	public double getPreferredHeight() {
		return getContactPointRelative() + getZZZ();
	}

	public void addConstraints() {
		for (Tile tile : tiles)
			tile.addConstraints();

	}

	public Real getMinX() {
		// The min X of an ElseTile is the min X of its parent GroupingTile, which
		// may still be under construction: else tiles are skipped here and
		// processed later by the GroupingTile constructor (see allElses)
		final List<Real> result = new ArrayList<>();
		for (Tile tile : tiles) {
			if (tile instanceof ElseTile)
				continue;

			result.add(tile.getMinX());
		}
		if (result.size() == 0)
			return tiles.get(0).getMinX();

		return RealUtils.min(result);
	}

	public Real getMaxX() {
		final List<Real> result = new ArrayList<>();
		for (Tile tile : tiles) {
			if (tile instanceof ElseTile)
				continue;

			result.add(tile.getMaxX());
		}
		if (result.size() == 0)
			return tiles.get(0).getMaxX();

		return RealUtils.max(result);
	}

	public List<Tile> getElseTiles() {
		final List<Tile> result = new ArrayList<>();
		for (Tile tile : tiles)
			if (tile instanceof ElseTile)
				result.add(tile);

		return result;
	}

	public Event getEvent() {
		return null;
	}

	public boolean matchAnchor(String anchor) {
		for (Tile tile : tiles)
			if (tile.matchAnchor(anchor))
				return true;

		return false;
	}

	protected List<Tile> getTiles() {
		return tiles;
	}

}