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/*
* $Id$
* $URL$
* ----------------------------------------------------------------------------
* This file is part of JSBML. Please visit
* for the latest version of JSBML and more information about SBML.
*
* Copyright (C) 2009-2016 jointly by the following organizations:
* 1. The University of Tuebingen, Germany
* 2. EMBL European Bioinformatics Institute (EBML-EBI), Hinxton, UK
* 3. The California Institute of Technology, Pasadena, CA, USA
* 4. The University of California, San Diego, La Jolla, CA, USA
* 5. The Babraham Institute, Cambridge, UK
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation. A copy of the license agreement is provided
* in the file named "LICENSE.txt" included with this software distribution
* and also available online as .
* ----------------------------------------------------------------------------
*/
package org.sbml.jsbml.ext.layout;
import java.text.MessageFormat;
import javax.swing.tree.TreeNode;
/**
* In order to be able to represent smooth curves the {@link Layout} package defines the
* class {@link CubicBezier}. It represents a Bezier curve, and is readily available in
* most graphics APIs. The class {@link CubicBezier} is derived from {@link LineSegment}.
* It consists of four elements: the two inherited elements 'start' and 'end', which
* specify the starting point and the endpoint of the cubic bezier curve, and two elements
* 'basePoint1' and 'basePoint2', which specify the two additional base points that are
* needed to describe a cubic bezier curve. These basepoints also allow tools that cannot
* render bezier curves to approximate them by directly connecting the four points.
*
* @author Nicolas Rodriguez
* @author Andreas Dräger
* @since 1.0
* @version $Rev$
*/
public class CubicBezier extends LineSegment {
/**
* Generated serial version identifier.
*/
private static final long serialVersionUID = -6747242964512145076L;
/**
*
*/
private Point basePoint1;
/**
*
*/
private Point basePoint2;
/**
*
*/
public CubicBezier() {
super();
setType(Type.CUBIC_BEZIER);
}
/**
* @param cubicBezier
*/
public CubicBezier(CubicBezier cubicBezier) {
super(cubicBezier);
if (cubicBezier.isSetBasePoint1()) {
setBasePoint1(cubicBezier.getBasePoint1().clone());
}
if (cubicBezier.isSetBasePoint2()) {
setBasePoint2(cubicBezier.getBasePoint2().clone());
}
}
/**
*
* @param level
* @param version
*/
public CubicBezier(int level, int version) {
super(level, version);
setType(Type.CUBIC_BEZIER);
}
/* (non-Javadoc)
* @see org.sbml.jsbml.ext.layout.LineSegment#clone()
*/
@Override
public CubicBezier clone() {
return new CubicBezier(this);
}
/**
* Creates, sets and returns a {@link Point}
*
* @return new {@link Point} object.
*/
public Point createBasePoint1() {
Point p = new Point(getLevel(), getVersion());
setBasePoint1(p);
return p;
}
/**
* Creates, sets and returns a {@link Point} based on the
* given values.
* @param x
* @param y
* @param z
* @return new {@link Point} object.
*/
public Point createBasePoint1(double x, double y, double z) {
Point p = new Point(getLevel(), getVersion());
p.setX(x);
p.setY(y);
p.setZ(z);
setBasePoint1(p);
return p;
}
/**
* Creates, sets and returns a {@link Point}
*
* @return new {@link Point} object.
*/
public Point createBasePoint2() {
Point p = new Point(getLevel(), getVersion());
setBasePoint2(p);
return p;
}
/**
* Creates, sets and returns a {@link Point} based on the
* given values.
* @param x
* @param y
* @param z
* @return new {@link Point} object.
*/
public Point createBasePoint2(double x, double y, double z) {
Point p = new Point(getLevel(), getVersion());
p.setX(x);
p.setY(y);
p.setZ(z);
setBasePoint2(p);
return p;
}
/* (non-Javadoc)
* @see org.sbml.jsbml.AbstractNamedSBase#equals(java.lang.Object)
*/
@Override
public boolean equals(Object object) {
boolean equals = super.equals(object);
if (equals) {
CubicBezier cb = (CubicBezier) object;
equals &= cb.isSetBasePoint1() == isSetBasePoint1();
if (equals && isSetBasePoint1()) {
equals &= cb.getBasePoint1().equals(getBasePoint1());
}
equals &= cb.isSetBasePoint2() == isSetBasePoint2();
if (equals && cb.isSetBasePoint2()) {
equals &= cb.getBasePoint2().equals(getBasePoint2());
}
}
return equals;
}
/**
*
* @return
*/
public Point getBasePoint1() {
return basePoint1;
}
/**
*
* @return
*/
public Point getBasePoint2() {
return basePoint2;
}
/* (non-Javadoc)
* @see org.sbml.jsbml.ext.layout.LineSegment#getChildAt(int)
*/
@Override
public TreeNode getChildAt(int index) {
if (index < 0) {
throw new IndexOutOfBoundsException(Integer.toString(index));
}
int count = super.getChildCount(), pos = 0;
if (index < count) {
return super.getChildAt(index);
} else {
index -= count;
}
if (isSetBasePoint1()) {
if (pos == index) {
return getBasePoint1();
}
pos++;
}
if (isSetBasePoint2()) {
if (pos == index) {
return getBasePoint2();
}
pos++;
}
throw new IndexOutOfBoundsException(MessageFormat.format(
resourceBundle.getString("IndexExceedsBoundsException"),
index, Math.min(pos, 0)));
}
/* (non-Javadoc)
* @see org.sbml.jsbml.ext.layout.LineSegment#getChildCount()
*/
@Override
public int getChildCount() {
int count = super.getChildCount();
if (isSetBasePoint1()) {
count++;
}
if (isSetBasePoint2()) {
count++;
}
return count;
}
/* (non-Javadoc)
* @see org.sbml.jsbml.AbstractSBase#hashCode()
*/
@Override
public int hashCode() {
final int prime = 919;
int hashCode = super.hashCode();
if (isSetBasePoint1()) {
hashCode += prime * getBasePoint1().hashCode();
}
if (isSetBasePoint2()) {
hashCode += prime * getBasePoint2().hashCode();
}
return hashCode;
}
/**
* @return
*/
public boolean isSetBasePoint1() {
return basePoint1 != null;
}
/**
* @return
*/
public boolean isSetBasePoint2() {
return basePoint2 != null;
}
/**
*
* @return
*/
public Point removeBasePoint1() {
if (!isSetBasePoint1()) {
return null;
}
Point bp1 = getBasePoint1();
setBasePoint1(null);
return bp1;
}
/**
*
* @return
*/
public Point removeBasePoint2() {
if (!isSetBasePoint2()) {
return null;
}
Point bp2 = getBasePoint2();
setBasePoint2(null);
return bp2;
}
/**
* basePoint1 specifies represents the base point closer
* to the start point.
*
* @param basePoint1
*/
public void setBasePoint1(Point basePoint1) {
if (this.basePoint1 != null) {
Point oldValue = this.basePoint1;
this.basePoint1 = null;
oldValue.fireNodeRemovedEvent();
}
this.basePoint1 = basePoint1;
if (basePoint1 != null) {
basePoint1.setElementName(LayoutConstants.basePoint1);
}
registerChild(this.basePoint1);
}
/**
*
* @param basePoint2
*/
public void setBasePoint2(Point basePoint2) {
if (this.basePoint2 != null) {
Point oldValue = this.basePoint2;
this.basePoint2 = null;
oldValue.fireNodeRemovedEvent();
}
this.basePoint2 = basePoint2;
if (basePoint2 != null) {
basePoint2.setElementName(LayoutConstants.basePoint2);
}
registerChild(this.basePoint2);
}
}
