Package org.eclipse.jdt.ui.actions

Class ConvertingSelectionProvider

java.lang.Object

org.eclipse.jdt.ui.actions.ConvertingSelectionProvider

All Implemented Interfaces:

ISelectionProvider

public class ConvertingSelectionProvider
extends Object
implements ISelectionProvider

A converting selection provider is a special selection provider which converts a selection before notifying any listeners. Additional it converts the selection on getSelection and setSelection. The default strategy used to adapt the elements of the selection to IJavaElement or a IResource, but implementors can override this behavior.

Since:

3.2

Constructor Summary

Constructors

Constructor	Description
ConvertingSelectionProvider(ISelectionProvider provider)	Creates a ConvertingSelectionProvider to convert from a given selection provider using the default mechanism.

Method Summary

Modifier and Type	Method	Description
void	addSelectionChangedListener(ISelectionChangedListener listener)
ISelection	convertFrom(ISelection viewerSelection)	Converts the given original viewer selection into a new selection.
ISelection	convertTo(ISelection selection)	Converts a selection to a viewer selection.
final ISelection	getSelection()
void	removeSelectionChangedListener(ISelectionChangedListener listener)
final void	setSelection(ISelection selection)

Methods inherited from class java.lang.Object

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

Constructor Details

ConvertingSelectionProvider

public ConvertingSelectionProvider(ISelectionProvider provider)

Creates a ConvertingSelectionProvider to convert from a given selection provider using the default mechanism.

Parameters:

provider - the provider to covert from and to

Method Details

convertFrom

public ISelection convertFrom(ISelection viewerSelection)

Converts the given original viewer selection into a new selection. The default behavior adapts the elements in the selection first to IJavaElement then to IResource. Implementors want to override this method.

Parameters:

viewerSelection - the original viewer selection

Returns:

the new selection to be used

convertTo

public ISelection convertTo(ISelection selection)

Converts a selection to a viewer selection. The default implementation does not convert the selection. Implementors want to override this behavior.

Parameters:

selection - the selection to convert

Returns:

a viewer selection

getSelection

public final ISelection getSelection()

Specified by:

getSelection in interface ISelectionProvider

setSelection

public final void setSelection(ISelection selection)

Specified by:

setSelection in interface ISelectionProvider

addSelectionChangedListener

public void addSelectionChangedListener(ISelectionChangedListener listener)

Specified by:

addSelectionChangedListener in interface ISelectionProvider

removeSelectionChangedListener

public void removeSelectionChangedListener(ISelectionChangedListener listener)

Specified by:

removeSelectionChangedListener in interface ISelectionProvider