dsto.dfc.swt.forms
Class RadioEndpoint

java.lang.Object
  dsto.dfc.swt.forms.AbstractPipe
      dsto.dfc.swt.forms.PipeEndpoint
          dsto.dfc.swt.forms.RadioEndpoint

All Implemented Interfaces:

Pipe, Disposable, EventListener, org.eclipse.swt.events.SelectionListener, org.eclipse.swt.internal.SWTEventListener

public class RadioEndpoint
extends PipeEndpoint
implements org.eclipse.swt.events.SelectionListener

A pipe endpoint that allows selection of a value from a list of radio buttons.

Version:

$Revision$

Author:

mpp

Field Summary

Fields inherited from class dsto.dfc.swt.forms.AbstractPipe

errorHandler, parent

Constructor Summary

RadioEndpoint(org.eclipse.swt.widgets.Composite parent, ValueLabel[] valueLabels)
Create a new instance.

Method Summary

void	dispose() Default implementation: does nothing.
boolean	flush() Cause any uncommitted changes to any pipe segments in the tree to be pushed back into the pipe sequence (using Pipe.output(Object)).
void	focus()
org.eclipse.swt.widgets.Button	getButton(int index)
Object	getValue() Get the selected value.
boolean	input(Object newValue) Input a value into the pipe tree.
boolean	isDisposed() Test if pipe has been disposed.
void	widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e)
void	widgetSelected(org.eclipse.swt.events.SelectionEvent e)

Methods inherited from class dsto.dfc.swt.forms.PipeEndpoint

connect, output

Methods inherited from class dsto.dfc.swt.forms.AbstractPipe

getParent, handlePipeError, setErrorHandler, setParent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RadioEndpoint

public RadioEndpoint(org.eclipse.swt.widgets.Composite parent,
                     ValueLabel[] valueLabels)

Create a new instance.

Parameters:

parent - The parent control to place the radio buttons in.

valueLabels - An array of value/label pairs corresponding to the radio button labels/data values.

Method Detail

dispose

public void dispose()

Description copied from class: AbstractPipe

Default implementation: does nothing.

Specified by:

dispose in interface Pipe

Specified by:

dispose in interface Disposable

Overrides:

dispose in class AbstractPipe

isDisposed

public boolean isDisposed()

Description copied from interface: Pipe

Test if pipe has been disposed.

Specified by:

isDisposed in interface Pipe

focus

public void focus()

getValue

public Object getValue()

Get the selected value.

input

public boolean input(Object newValue)

Description copied from interface: Pipe

Input a value into the pipe tree.

Specified by:

input in interface Pipe

Specified by:

input in class PipeEndpoint

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

flush

public boolean flush()

Description copied from interface: Pipe

Cause any uncommitted changes to any pipe segments in the tree to be pushed back into the pipe sequence (using Pipe.output(Object)). This is designed for use by pipes connect editors such as text fields that are not committed immediately: most pipes will simply forward this call on to their children.

Specified by:

flush in interface Pipe

Specified by:

flush in class PipeEndpoint

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

getButton

public org.eclipse.swt.widgets.Button getButton(int index)

widgetSelected

public void widgetSelected(org.eclipse.swt.events.SelectionEvent e)

Specified by:

widgetSelected in interface org.eclipse.swt.events.SelectionListener

widgetDefaultSelected

public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e)

Specified by:

widgetDefaultSelected in interface org.eclipse.swt.events.SelectionListener