plantuml/src/net/sourceforge/plantuml/cucadiagram/Group.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * 
 * 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 Lesser 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.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * Original Author:  Arnaud Roques
 * 
 * Revision $Revision: 6709 $
 *
 */
package net.sourceforge.plantuml.cucadiagram;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.UniqueSequence;
import net.sourceforge.plantuml.graphic.HtmlColor;

public class Group {

	private final Map<String, IEntity> entities = new LinkedHashMap<String, IEntity>();
	private final String code;
	private final String display;
	private final String namespace;

	private HtmlColor backColor;
	private final Group parent;
	private final Collection<Group> children = new ArrayList<Group>();

	private boolean dashed;
	private boolean rounded;
	private boolean bold;

	private final GroupType type;

	private IEntity entityCluster;
	private boolean autonom = true;
	private Rankdir rankdir = Rankdir.TOP_TO_BOTTOM;

	private final int cpt = UniqueSequence.getValue();

	public Group(String code, String display, String namespace, GroupType type, Group parent) {
		if (type == null) {
			throw new IllegalArgumentException();
		}
		if (code == null || code.length() == 0) {
			throw new IllegalArgumentException();
		}
		if (parent != null) {
			if (parent.children.contains(this)) {
				throw new IllegalArgumentException();
			}
			parent.children.add(this);
		}
		this.namespace = namespace;
		this.type = type;
		this.parent = parent;
		this.code = code;
		this.display = display;
	}

	@Override
	public String toString() {
		return "G[code=" + code + "]" + entities + " autonom=" + isAutonom();
	}

	public void addEntity(Entity entity) {
		if (entities.containsValue(entity)) {
			throw new IllegalArgumentException();
		}
		if (entities.containsKey(entity.getCode())) {
			throw new IllegalArgumentException(entity.getCode());
		}
		if (entity.getType() == EntityType.GROUP) {
			throw new IllegalArgumentException();
		}
		entities.put(entity.getCode(), entity);
	}

	// private boolean containsFully(Link link) {
	// return contains((Entity) link.getEntity1()) && contains((Entity)
	// link.getEntity2());
	// }

	public boolean contains(IEntity entity) {
		if (entity == null) {
			throw new IllegalArgumentException();
		}
		if (entity.equals(entityCluster)) {
			throw new IllegalArgumentException();
		}
		if (entities.containsValue(entity)) {
			return true;
		}
		for (Group child : getChildren()) {
			if (child.contains(entity)) {
				return true;
			}
		}
		return false;
	}

	public CrossingType getCrossingType(Link link) {
		if (link.getEntity1().equals(this.entityCluster) && link.getEntity2().equals(this.entityCluster)) {
			return CrossingType.SELF;
		}
		if (link.getEntity1().equals(this.entityCluster)) {
			if (contains(link.getEntity2())) {
				return CrossingType.TOUCH_INSIDE;
			}
			return CrossingType.TOUCH_OUTSIDE;
		}
		if (link.getEntity2().equals(this.entityCluster)) {
			if (contains(link.getEntity1())) {
				return CrossingType.TOUCH_INSIDE;
			}
			return CrossingType.TOUCH_OUTSIDE;
		}
		final boolean contains1 = contains(link.getEntity1());
		final boolean contains2 = contains(link.getEntity2());
		if (contains1 && contains2) {
			return CrossingType.INSIDE;
		}
		if (contains1 == false && contains2 == false) {
			return CrossingType.OUTSIDE;
		}
		return CrossingType.CUT;

	}

	public Map<String, IEntity> entities() {
		return Collections.unmodifiableMap(entities);
	}

	public String getCode() {
		return code;
	}

	public String getUid() {
		return StringUtils.getUid(getUid1(), getUid2());
	}

	public String getUid1() {
		return "cluster";
	}

	public int getUid2() {
		return cpt;
	}

	public final HtmlColor getBackColor() {
		return backColor;
	}

	public final void setBackColor(HtmlColor backColor) {
		this.backColor = backColor;
	}

	public final Group getParent() {
		return parent;
	}

	public final boolean isDashed() {
		return dashed;
	}

	public final void setDashed(boolean dashed) {
		this.dashed = dashed;
	}

	public final boolean isRounded() {
		return rounded;
	}

	public final void setRounded(boolean rounded) {
		this.rounded = rounded;
	}

	public GroupType getType() {
		return type;
	}

	public final IEntity getEntityCluster() {
		if (entityCluster == null) {
			throw new IllegalStateException();
		}
		return entityCluster;
	}

	public final void setEntityCluster(IEntity entityCluster) {
		if (entityCluster == null) {
			throw new IllegalArgumentException();
		}
		this.entityCluster = entityCluster;
	}

	// public boolean isEmpty() {
	// return entities.isEmpty();
	// }

	public String getDisplay() {
		return display;
	}

	public boolean isBold() {
		return bold;
	}

	public void setBold(boolean bold) {
		this.bold = bold;
	}

	public void moveEntitiesTo(Group dest) {
		for (IEntity ent : entities.values()) {
			((Entity) ent).moveTo(dest);
		}
		entities.clear();

	}

	public String getNamespace() {
		return namespace;
	}

	public final Collection<Group> getChildren() {
		return Collections.unmodifiableCollection(children);
	}

	public final boolean isAutonom() {
		return autonom;
	}

	public final void setAutonom(boolean autonom) {
		this.autonom = autonom;
	}

	public final Rankdir getRankdir() {
		return rankdir;
	}

	public final void setRankdir(Rankdir rankdir) {
		this.rankdir = rankdir;
	}

	private String stereotype;

	public final void setStereotype(String stereotype) {
		this.stereotype = stereotype;
	}

	public final String getStereotype() {
		return stereotype;
	}

}