ExternalIOPortController.PortRenderer

java.lang.Object
- ptolemy.vergil.basic.IconController.IconRenderer
- - ptolemy.vergil.actor.ExternalIOPortController.PortRenderer

All Implemented Interfaces:

NodeRenderer

Enclosing class:

ExternalIOPortController
```
public class ExternalIOPortController.PortRenderer
extends IconController.IconRenderer
```
Render the external ports of a graph as a 5-sided tab thingy. Multiports are rendered hollow, while single ports are rendered filled. Publisher and subscriber ports are rendered specially.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  PortRenderer()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Figure render(java.lang.Object n)
  Render a port.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PortRenderer
```
public PortRenderer()
```
- Method Detail
  - render
```
public Figure render(java.lang.Object n)
```
    Render a port. If the argument implements Locatable, then render the port that is the container of that locatable. If the argument is an instance of _GENERIC_INPUT, _GENERIC_OUTPUT, or _GENERIC_INOUT, then render an input, output, or inout port with no name. If the argument is null, then render a port that is neither an input nor an output.
    
    Specified by:
    
    render in interface NodeRenderer
    
    Overrides:
    
    render in class IconController.IconRenderer
    
    Parameters:
    
    n - An instance of Locatable or one of the objects _GENERIC_INPUT, _GENERIC_OUTPUT, or _GENERIC_INOUT.
    
    Returns:
    
    The figure that is rendered.
    
    See Also:
    
    NodeRenderer.render(java.lang.Object)