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/* ========================================================================
* 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.cucadiagram;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.util.EnumSet;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.svek.ShapeType;
import net.sourceforge.plantuml.ugraphic.Shadowable;
import net.sourceforge.plantuml.ugraphic.UEllipse;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.URectangle;
import net.sourceforge.plantuml.ugraphic.UTranslate;
public enum EntityPosition {
NORMAL, ENTRY_POINT, EXIT_POINT, INPUT_PIN, OUTPUT_PIN, EXPANSION_INPUT, EXPANSION_OUTPUT;
public static final double RADIUS = 6;
public void drawSymbol(UGraphic ug, Rankdir rankdir) {
if (this == NORMAL) {
throw new IllegalStateException();
} else if (this == ENTRY_POINT || this == EXIT_POINT) {
final Shadowable circle = new UEllipse(RADIUS * 2, RADIUS * 2);
ug.draw(circle);
if (this == EntityPosition.EXIT_POINT) {
final double xc = 0 + RADIUS + .5;
final double yc = 0 + RADIUS + .5;
final double radius = RADIUS - .5;
drawLine(ug, getPointOnCircle(xc, yc, Math.PI / 4, radius),
getPointOnCircle(xc, yc, Math.PI + Math.PI / 4, radius));
drawLine(ug, getPointOnCircle(xc, yc, -Math.PI / 4, radius),
getPointOnCircle(xc, yc, Math.PI - Math.PI / 4, radius));
}
} else if (this == INPUT_PIN || this == OUTPUT_PIN) {
final Shadowable rectangle = new URectangle(RADIUS * 2, RADIUS * 2);
ug.draw(rectangle);
} else if (this == EXPANSION_INPUT || this == EXPANSION_OUTPUT) {
if (rankdir == Rankdir.TOP_TO_BOTTOM) {
final Shadowable rectangle = new URectangle(RADIUS * 2 * 4, RADIUS * 2);
ug.draw(rectangle);
final ULine vline = new ULine(0, RADIUS * 2);
ug.apply(new UTranslate(RADIUS * 2, 0)).draw(vline);
ug.apply(new UTranslate(RADIUS * 2 * 2, 0)).draw(vline);
ug.apply(new UTranslate(RADIUS * 2 * 3, 0)).draw(vline);
} else {
final Shadowable rectangle = new URectangle(RADIUS * 2, RADIUS * 2 * 4);
ug.apply(new UTranslate(0, 0)).draw(rectangle);
final ULine hline = new ULine(RADIUS * 2, 0);
ug.apply(new UTranslate(0, RADIUS * 2)).draw(hline);
ug.apply(new UTranslate(0, RADIUS * 2 * 2)).draw(hline);
ug.apply(new UTranslate(0, RADIUS * 2 * 3)).draw(hline);
}
}
}
public Dimension2D getDimension(Rankdir rankdir) {
if (this == EXPANSION_INPUT || this == EXPANSION_OUTPUT) {
if (rankdir == Rankdir.TOP_TO_BOTTOM) {
return new Dimension2DDouble(EntityPosition.RADIUS * 2 * 4, EntityPosition.RADIUS * 2);
}
return new Dimension2DDouble(EntityPosition.RADIUS * 2, EntityPosition.RADIUS * 2 * 4);
}
return new Dimension2DDouble(EntityPosition.RADIUS * 2, EntityPosition.RADIUS * 2);
}
private Point2D getPointOnCircle(double xc, double yc, double angle, double radius) {
final double x = xc + radius * Math.cos(angle);
final double y = yc + radius * Math.sin(angle);
return new Point2D.Double(x, y);
}
static private void drawLine(UGraphic ug, Point2D p1, Point2D p2) {
final double dx = p2.getX() - p1.getX();
final double dy = p2.getY() - p1.getY();
ug.apply(new UTranslate(p1.getX(), p1.getY())).draw(new ULine(dx, dy));
}
public ShapeType getShapeType() {
if (this == NORMAL) {
throw new IllegalStateException();
}
if (this == ENTRY_POINT || this == EXIT_POINT) {
return ShapeType.CIRCLE;
}
return ShapeType.RECTANGLE;
}
public static EntityPosition fromStereotype(String label) {
if ("<<entrypoint>>".equalsIgnoreCase(label)) {
return ENTRY_POINT;
}
if ("<<exitpoint>>".equalsIgnoreCase(label)) {
return EXIT_POINT;
}
if ("<<inputpin>>".equalsIgnoreCase(label)) {
return INPUT_PIN;
}
if ("<<outputpin>>".equalsIgnoreCase(label)) {
return OUTPUT_PIN;
}
if ("<<expansioninput>>".equalsIgnoreCase(label)) {
return EXPANSION_INPUT;
}
if ("<<expansionoutput>>".equalsIgnoreCase(label)) {
return EXPANSION_OUTPUT;
}
return EntityPosition.NORMAL;
}
public static EnumSet<EntityPosition> getInputs() {
return EnumSet.of(ENTRY_POINT, INPUT_PIN, EXPANSION_INPUT);
}
public static EnumSet<EntityPosition> getOutputs() {
return EnumSet.of(EXIT_POINT, OUTPUT_PIN, EXPANSION_OUTPUT);
}
}
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