GtileAssembly.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
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 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.activitydiagram3.gtile;

import java.util.Collection;
import java.util.Collections;

import net.sourceforge.plantuml.activitydiagram3.LinkRendering;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.creole.CreoleMode;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.TextBlockUtils;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignatureBasic;

public class GtileAssembly extends GtileTopDown {

	private final TextBlock textBlock;

	public GtileAssembly(Gtile tile1, Gtile tile2, LinkRendering linkRendering) {
		super(tile1, tile2);
		this.textBlock = getTextBlock(linkRendering.getDisplay());
		// See FtileFactoryDelegatorAssembly
	}

	@Override
	protected UTranslate supplementaryMove() {
		final double height = 30 + textBlock.calculateDimension(stringBounder).getHeight();
		return new UTranslate(0, height);
	}

	final public StyleSignatureBasic getDefaultStyleDefinitionArrow() {
		return StyleSignatureBasic.of(SName.root, SName.element, SName.activityDiagram, SName.arrow);
	}

	@Override
	public XDimension2D calculateDimension(StringBounder stringBounder) {
		final XDimension2D raw = super.calculateDimension(stringBounder);
		final double textBlockWidth = textBlock.calculateDimension(stringBounder).getWidth();
		final double pos1 = tile1.getCoord(GPoint.SOUTH_HOOK).compose(getPos1()).getDx();
		return raw.atLeast(pos1 + textBlockWidth, 0);
	}

	protected final TextBlock getTextBlock(Display display) {
		// DUP3945
		if (Display.isNull(display))
			return TextBlockUtils.EMPTY_TEXT_BLOCK;

		final Style style = getDefaultStyleDefinitionArrow().getMergedStyle(skinParam().getCurrentStyleBuilder());
		final FontConfiguration fontConfiguration = style.getFontConfiguration(skinParam().getIHtmlColorSet());
		return display.create7(fontConfiguration, HorizontalAlignment.LEFT, skinParam(), CreoleMode.SIMPLE_LINE);
	}

	@Override
	public Collection<GConnection> getInnerConnections() {
		final GConnection arrow = new GConnectionVerticalDown(getPos1(), tile1.getGPoint(GPoint.SOUTH_HOOK), getPos2(),
				tile2.getGPoint(GPoint.NORTH_HOOK), textBlock);
		return Collections.singletonList(arrow);
	}

}