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/*
* Copyright (c) 2005-2006, David Benson
*
* See LICENSE file in distribution for licensing details of this source file
*/
package com.jgraph.example.portlabels;
import java.util.Map;
import org.jgraph.graph.DefaultGraphCell;
import org.jgraph.graph.DefaultPort;
import org.jgraph.graph.ParentMap;
import org.jgraph.graph.Port;
/**
* Graph model cell that has a number of fixed offset ports on the left
* and right hand sides. It provides a number of utility methods to add
* and remove those ports.
*/
public class PortLabelCell extends DefaultGraphCell {
/**
* The number of ports on the left hand side of this cell
*/
protected int numLeftPorts = 0;
/**
* The number of ports on the right hand side of this cell
*/
protected int numRightPorts = 0;
/**
* Default constructor
*
*/
public PortLabelCell() {
this(null);
}
/**
* Constructor with user object to set for cell. Whatever the user object
* returns with toString will appear in the vertex label.
* @param userObject the userObject to set
*/
public PortLabelCell(Object userObject) {
super(userObject);
}
/**
* Adds a port with the specified label to the left hand side of the vertex
* at the specified position order
* @param position this ports position in the order of port from top to bottom
* @param portLabel the label to set for this port
* @return the new Port created
*/
public Port addLeftPort(int position, String portLabel, Map nestedMap, ParentMap parentMap) {
return addLeftPort(position, new DefaultPort(portLabel), nestedMap, parentMap);
}
/**
* Adds a port to the left hand side of the vertex at the specified
* position order
* @param position this ports position in the order of port from top to bottom
* @param port the instance of the new port
* @return the the port
*/
public Port addLeftPort(int position, Port port, Map nestedMap, ParentMap parentMap) {
if (position > numLeftPorts) {
throw new RuntimeException("Incorrect port position of left-hand side of cell");
}
return null;
}
/**
* Adds a port with the specified label to the right hand side of the vertex
* at the specified position order
* @param position this ports position in the order of port from top to bottom
* @param portLabel the label to set for this port
* @return the new Port created
*/
public Port addRightPort(int position, String portLabel, Map nestedMap, ParentMap parentMap) {
return addRightPort(position, new DefaultPort(portLabel), nestedMap, parentMap);
}
/**
* Adds a port to the right hand side of the vertex at the specified
* position order
* @param position this ports position in the order of port from top to bottom
* @param port the instance of the new port
* @return the the port
*/
public Port addRightPort(int position, Port port, Map nestedMap, ParentMap parentMap) {
if (position > numRightPorts) {
throw new RuntimeException("Incorrect port position of right-hand side of cell");
}
return null;
}
/**
* Removes the left-hand side port at the specified position order
* @param position the position order of the port to be removed
*/
public void removeLeftPort(int position, Map nestedMap, ParentMap parentMap) {
}
/**
* Removes the left-hand side port at the specified position order
* @param position the position order of the port to be removed
*/
public void removeRightPort(int position, Map nestedMap, ParentMap parentMap) {
}
/**
* @return Returns the numLeftPorts.
*/
public int getNumLeftPorts() {
return numLeftPorts;
}
/**
* @param numLeftPorts The numLeftPorts to set.
*/
public void setNumLeftPorts(int numLeftPorts) {
this.numLeftPorts = numLeftPorts;
}
/**
* @return Returns the numRightPorts.
*/
public int getNumRightPorts() {
return numRightPorts;
}
/**
* @param numRightPorts The numRightPorts to set.
*/
public void setNumRightPorts(int numRightPorts) {
this.numRightPorts = numRightPorts;
}
}
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