CommonTile.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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 * PlantUML distributed in the hope that it will be useful, but
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.sequencediagram.teoz;

import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.shape.UDrawable;

public abstract class CommonTile implements Tile, UDrawable {

	private final StringBounder stringBounder;

	public CommonTile(StringBounder stringBounder) {
		this.stringBounder = stringBounder;
	}

	// Single extension point: each tile that needs to react once its own
	// YGauge is solved overrides this directly (livebox steps, goCreate/
	// goDestroy, forwarding to a wrapped inner tile, ...). Default is a no-op.
	// Replaces the former two-level callbackY/callbackY_internal indirection
	// built around a TimeHook value that every override now reads straight
	// off getYGauge().getMin().getCurrentValue() instead.
	public void onGaugeResolved() {
	}

	protected final StringBounder getStringBounder() {
		return stringBounder;
	}

	public double getMiddleX() {
		final double max = getMaxX().getCurrentValue();
		final double min = getMinX().getCurrentValue();
		return (min + max) / 2;
	}

}