/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2017, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * 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
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * 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,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 * 
 *
 */
package net.sourceforge.plantuml.sequencediagram.teoz;

import java.awt.geom.Dimension2D;

import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.real.Real;
import net.sourceforge.plantuml.sequencediagram.AbstractMessage;
import net.sourceforge.plantuml.sequencediagram.Event;
import net.sourceforge.plantuml.sequencediagram.NoteOnMessage;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.Component;
import net.sourceforge.plantuml.skin.ComponentType;
import net.sourceforge.plantuml.skin.Context2D;
import net.sourceforge.plantuml.skin.Skin;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;

public class CommunicationTileNoteLeft implements TileWithUpdateStairs, TileWithCallbackY {

	private final TileWithUpdateStairs tile;
	private final AbstractMessage message;
	private final Skin skin;
	private final ISkinParam skinParam;
	private final LivingSpace livingSpace;
	private final NoteOnMessage noteOnMessage;

	public Event getEvent() {
		return message;
	}

	public CommunicationTileNoteLeft(TileWithUpdateStairs tile, AbstractMessage message, Skin skin,
			ISkinParam skinParam, LivingSpace livingSpace, NoteOnMessage noteOnMessage) {
		this.tile = tile;
		this.message = message;
		this.skin = skin;
		this.skinParam = skinParam;
		this.noteOnMessage = noteOnMessage;
		this.livingSpace = livingSpace;
	}

	public void updateStairs(StringBounder stringBounder, double y) {
		tile.updateStairs(stringBounder, y);
	}

	private Component getComponent(StringBounder stringBounder) {
		final Component comp = skin.createComponent(ComponentType.NOTE, null,
				noteOnMessage.getSkinParamNoteBackcolored(skinParam), noteOnMessage.getDisplay());
		return comp;
	}

	private Real getNotePosition(StringBounder stringBounder) {
		final Component comp = getComponent(stringBounder);
		final Dimension2D dim = comp.getPreferredDimension(stringBounder);
		return livingSpace.getPosC(stringBounder).addFixed(-dim.getWidth());
	}

	public void drawU(UGraphic ug) {
		final StringBounder stringBounder = ug.getStringBounder();
		final Component comp = getComponent(stringBounder);
		final Dimension2D dim = comp.getPreferredDimension(stringBounder);
		final Area area = new Area(dim.getWidth(), dim.getHeight());
		tile.drawU(ug);
		final Real p = getNotePosition(stringBounder);

		comp.drawU(ug.apply(new UTranslate(p.getCurrentValue(), 0)), area, (Context2D) ug);
	}

	public double getPreferredHeight(StringBounder stringBounder) {
		final Component comp = getComponent(stringBounder);
		final Dimension2D dim = comp.getPreferredDimension(stringBounder);
		return Math.max(tile.getPreferredHeight(stringBounder), dim.getHeight());
	}

	public void addConstraints(StringBounder stringBounder) {
		tile.addConstraints(stringBounder);
	}

	public Real getMinX(StringBounder stringBounder) {
		return getNotePosition(stringBounder);
	}

	public Real getMaxX(StringBounder stringBounder) {
		return tile.getMaxX(stringBounder);
	}

	public void callbackY(double y) {
		if (tile instanceof TileWithCallbackY) {
			((TileWithCallbackY) tile).callbackY(y);
		}
	}

}