Java/EntityImagePort.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
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 * (C) Copyright 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
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 * under the terms of the GNU General Public License as published by
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 * 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.
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 * You should have received a copy of the GNU General Public
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
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 * Creator:  Hisashi Miyashita
 *
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 */

package net.sourceforge.plantuml.svek.image;

import java.awt.geom.Point2D;

import net.sourceforge.plantuml.ColorParam;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.FontParam;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.SkinParamUtils;
import net.sourceforge.plantuml.UseStyle;
import net.sourceforge.plantuml.awt.geom.Dimension2D;
import net.sourceforge.plantuml.cucadiagram.EntityPosition;
import net.sourceforge.plantuml.cucadiagram.ILeaf;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.color.ColorType;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
import net.sourceforge.plantuml.svek.Bibliotekon;
import net.sourceforge.plantuml.svek.Cluster;
import net.sourceforge.plantuml.svek.ShapeType;
import net.sourceforge.plantuml.svek.SvekNode;
import net.sourceforge.plantuml.ugraphic.Shadowable;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.URectangle;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;

public class EntityImagePort extends AbstractEntityImageBorder {

	private final SName sname;

	public EntityImagePort(ILeaf leaf, ISkinParam skinParam, Cluster parent, Bibliotekon bibliotekon, SName sname) {
		super(leaf, skinParam, parent, bibliotekon, FontParam.BOUNDARY);
		this.sname = sname;
	}

	private StyleSignatureBasic getSignature() {
		return StyleSignatureBasic.of(SName.root, SName.element, sname, SName.boundary);
	}

	private boolean upPosition() {
		final Point2D clusterCenter = parent.getClusterPosition().getPointCenter();
		final SvekNode node = bibliotekon.getNode(getEntity());
		return node.getMinY() < clusterCenter.getY();
	}

	public Dimension2D calculateDimension(StringBounder stringBounder) {
		double sp = EntityPosition.RADIUS * 2;
		return new Dimension2DDouble(sp, sp);
	}

	public double getMaxWidthFromLabelForEntryExit(StringBounder stringBounder) {
		final Dimension2D dimDesc = desc.calculateDimension(stringBounder);
		return dimDesc.getWidth();
	}

	private void drawSymbol(UGraphic ug) {
		final Shadowable rect = new URectangle(EntityPosition.RADIUS * 2, EntityPosition.RADIUS * 2);
		ug.draw(rect);
	}

	final public void drawU(UGraphic ug) {
		double y = 0;
		final Dimension2D dimDesc = desc.calculateDimension(ug.getStringBounder());
		final double x = 0 - (dimDesc.getWidth() - 2 * EntityPosition.RADIUS) / 2;

		if (upPosition())
			y -= 2 * EntityPosition.RADIUS + dimDesc.getHeight();
		else
			y += 2 * EntityPosition.RADIUS;

		desc.drawU(ug.apply(new UTranslate(x, y)));

		HColor backcolor = getEntity().getColors().getColor(ColorType.BACK);
		final HColor borderColor;

		if (UseStyle.useBetaStyle()) {
			final Style style = getSignature().getMergedStyle(getSkinParam().getCurrentStyleBuilder());
			borderColor = style.value(PName.LineColor).asColor(getSkinParam().getThemeStyle(),
					getSkinParam().getIHtmlColorSet());
			if (backcolor == null)
				backcolor = style.value(PName.BackGroundColor).asColor(getSkinParam().getThemeStyle(),
						getSkinParam().getIHtmlColorSet());
		} else {
			borderColor = SkinParamUtils.getColor(getSkinParam(), getStereo(), ColorParam.stateBorder);
			if (backcolor == null)
				backcolor = SkinParamUtils.getColor(getSkinParam(), getStereo(), ColorParam.stateBackground);
		}

		ug = ug.apply(backcolor);
		ug = ug.apply(getUStroke()).apply(borderColor.bg());

		drawSymbol(ug);
	}

	private UStroke getUStroke() {
		return new UStroke(1.5);
	}

	public ShapeType getShapeType() {
		return ShapeType.RECTANGLE;
	}
}