mirror of
https://github.com/octoleo/plantuml.git
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358 lines
9.3 KiB
Java
358 lines
9.3 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009, Arnaud Roques
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*
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* Project Info: http://plantuml.sourceforge.net
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* Original Author: Arnaud Roques
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*
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* Revision $Revision: 6939 $
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*
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*/
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package net.sourceforge.plantuml.cucadiagram;
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import java.awt.geom.Dimension2D;
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import java.util.Arrays;
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import java.util.List;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.UniqueSequence;
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import net.sourceforge.plantuml.command.Position;
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import net.sourceforge.plantuml.cucadiagram.dot.DrawFile;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.HorizontalAlignement;
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import net.sourceforge.plantuml.graphic.HtmlColor;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.graphic.TextBlockUtils;
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import net.sourceforge.plantuml.ugraphic.UFont;
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public class Link implements Imaged {
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final private IEntity cl1;
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final private IEntity cl2;
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final private LinkType type;
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final private String label;
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private int length;
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final private String qualifier1;
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final private String qualifier2;
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final private String uid = "LNK" + UniqueSequence.getValue();
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private DrawFile imageFile;
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private List<? extends CharSequence> note;
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private Position notePosition;
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private boolean invis = false;
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private double weight = 1.0;
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private final String labeldistance;
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private final String labelangle;
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private HtmlColor specificColor;
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private boolean constraint = true;
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private boolean inverted = false;
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public final boolean isInverted() {
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return inverted;
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}
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public Link(IEntity cl1, IEntity cl2, LinkType type, String label, int length) {
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this(cl1, cl2, type, label, length, null, null, null, null, null);
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}
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public Link(IEntity cl1, IEntity cl2, LinkType type, String label, int length, String qualifier1,
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String qualifier2, String labeldistance, String labelangle) {
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this(cl1, cl2, type, label, length, qualifier1, qualifier2, labeldistance, labelangle, null);
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}
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public Link(IEntity cl1, IEntity cl2, LinkType type, String label, int length, String qualifier1,
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String qualifier2, String labeldistance, String labelangle, HtmlColor specificColor) {
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if (length < 1) {
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throw new IllegalArgumentException();
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}
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if (cl1 == null || cl2 == null) {
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throw new IllegalArgumentException();
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}
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this.cl1 = cl1;
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this.cl2 = cl2;
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this.type = type;
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this.label = label;
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this.length = length;
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this.qualifier1 = qualifier1;
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this.qualifier2 = qualifier2;
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this.labeldistance = labeldistance;
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this.labelangle = labelangle;
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this.specificColor = specificColor;
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if (qualifier1 != null) {
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cl1.setNearDecoration(true);
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}
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if (qualifier2 != null) {
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cl2.setNearDecoration(true);
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}
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}
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public Link getInv() {
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// if (getLength() == 1) {
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// final int x = cl1.getXposition();
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// cl2.setXposition(x-1);
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// }
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final Link result = new Link(cl2, cl1, type.getInv(), label, length, qualifier2, qualifier1, labeldistance,
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labelangle, specificColor);
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result.inverted = true;
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return result;
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}
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public Link getDashed() {
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return new Link(cl1, cl2, type.getDashed(), label, length, qualifier1, qualifier2, labeldistance, labelangle,
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specificColor);
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}
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public Link getDotted() {
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return new Link(cl1, cl2, type.getDotted(), label, length, qualifier1, qualifier2, labeldistance, labelangle,
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specificColor);
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}
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public Link getBold() {
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return new Link(cl1, cl2, type.getBold(), label, length, qualifier1, qualifier2, labeldistance, labelangle,
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specificColor);
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}
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public String getLabeldistance() {
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// Default in dot 1.0
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return labeldistance;
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}
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public String getLabelangle() {
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// Default in dot -25
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return labelangle;
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}
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public String getUid() {
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return uid;
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}
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public final boolean isInvis() {
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return invis;
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}
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public final void setInvis(boolean invis) {
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this.invis = invis;
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}
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private static IEntity muteProxy(IEntity ent, Group g, IEntity proxy) {
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if (ent.getParent() == g) {
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return proxy;
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}
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return ent;
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}
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public Link mute(Group g, Entity proxy) {
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if (cl1.getParent() == g && cl1.getType() != EntityType.GROUP && cl2.getParent() == g
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&& cl2.getType() != EntityType.GROUP) {
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return null;
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}
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final IEntity ent1 = muteProxy(cl1, g, proxy);
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final IEntity ent2 = muteProxy(cl2, g, proxy);
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if (this.cl1 == ent1 && this.cl2 == ent2) {
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return this;
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}
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return new Link(ent1, ent2, type, label, length, qualifier1, qualifier2, labeldistance, labelangle);
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}
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public boolean isBetween(IEntity cl1, IEntity cl2) {
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if (cl1.equals(this.cl1) && cl2.equals(this.cl2)) {
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return true;
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}
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if (cl1.equals(this.cl2) && cl2.equals(this.cl1)) {
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return true;
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}
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return false;
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}
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@Override
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public String toString() {
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return super.toString() + " " + cl1 + "-->" + cl2;
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}
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public IEntity getEntity1() {
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return cl1;
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}
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public IEntity getEntity2() {
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return cl2;
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}
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public LinkType getType() {
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return type;
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}
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public String getLabel() {
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return label;
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}
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public int getLength() {
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return length;
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}
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public final void setLength(int length) {
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this.length = length;
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}
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public String getQualifier1() {
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return qualifier1;
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}
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public String getQualifier2() {
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return qualifier2;
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}
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public final double getWeight() {
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return weight;
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}
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public final void setWeight(double weight) {
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this.weight = weight;
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}
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public final List<? extends CharSequence> getNote() {
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return note;
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}
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public final Position getNotePosition() {
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return notePosition;
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}
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public final void addNote(List<? extends CharSequence> note, Position position) {
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this.note = note;
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this.notePosition = position;
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}
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public final void addNote(String n, Position position) {
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this.note = StringUtils.getWithNewlines(n);
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this.notePosition = position;
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}
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public DrawFile getImageFile() {
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return imageFile;
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}
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public void setImageFile(DrawFile imageFile) {
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this.imageFile = imageFile;
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}
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public boolean isAutolink(Group g) {
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if (getEntity1() == g.getEntityCluster() && getEntity2() == g.getEntityCluster()) {
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return true;
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}
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return false;
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}
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public boolean isToEdgeLink(Group g) {
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if (getEntity1().getParent() != g || getEntity2().getParent() != g) {
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return false;
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}
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assert getEntity1().getParent() == g && getEntity2().getParent() == g;
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if (isAutolink(g)) {
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return false;
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}
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if (getEntity2().getType() == EntityType.GROUP) {
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assert getEntity1().getType() != EntityType.GROUP;
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return true;
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}
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return false;
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}
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public boolean isFromEdgeLink(Group g) {
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if (getEntity1().getParent() != g || getEntity2().getParent() != g) {
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return false;
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}
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assert getEntity1().getParent() == g && getEntity2().getParent() == g;
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if (isAutolink(g)) {
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return false;
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}
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if (getEntity1().getType() == EntityType.GROUP) {
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assert getEntity2().getType() != EntityType.GROUP;
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return true;
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}
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return false;
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}
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public boolean containsType(EntityType type) {
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if (getEntity1().getType() == type || getEntity2().getType() == type) {
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return true;
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}
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return false;
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}
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public boolean contains(IEntity entity) {
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if (getEntity1() == entity || getEntity2() == entity) {
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return true;
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}
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return false;
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}
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public double getMarginDecors1(StringBounder stringBounder, UFont fontQualif) {
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final double q = getQualifierMargin(stringBounder, fontQualif, qualifier1);
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final LinkDecor decor = type.getDecor1();
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return decor.getSize() + q;
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}
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public double getMarginDecors2(StringBounder stringBounder, UFont fontQualif) {
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final double q = getQualifierMargin(stringBounder, fontQualif, qualifier2);
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final LinkDecor decor = type.getDecor2();
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return decor.getSize() + q;
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}
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private double getQualifierMargin(StringBounder stringBounder, UFont fontQualif, String qualif) {
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if (qualif != null) {
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final TextBlock b = TextBlockUtils.create(Arrays.asList(qualif), new FontConfiguration(fontQualif,
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HtmlColor.BLACK), HorizontalAlignement.LEFT);
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final Dimension2D dim = b.calculateDimension(stringBounder);
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return Math.max(dim.getWidth(), dim.getHeight());
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}
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return 0;
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}
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public HtmlColor getSpecificColor() {
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return specificColor;
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}
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public void setSpecificColor(String s) {
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this.specificColor = HtmlColor.getColorIfValid(s);
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}
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public final boolean isConstraint() {
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return constraint;
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}
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public final void setConstraint(boolean constraint) {
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this.constraint = constraint;
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}
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}
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