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## org.eclipse.ui.part
Class MultiPageSelectionProvider

    java.lang.Object
      org.eclipse.ui.part.MultiPageSelectionProvider

All Implemented Interfaces:
  ISelectionProvider

public class MultiPageSelectionProvider
extends Object
implements ISelectionProvider

Manages the current selection in a multi-page editor by tracking the active nested editor within the multi-page editor. When the selection changes, notifications are sent to all registered listeners.

This class may be instantiated; it is not intended to be subclassed. The base implementation of `MultiPageEditor.init` creates an instance of this class.

Constructor Summary
`MultiPageSelectionProvider(MultiPageEditorPart multiPageEditor)` Creates a selection provider for the given multi-page editor.

Method Summary
`void` | `addSelectionChangedListener(ISelectionChangedListener listener)` Adds a listener for selection changes in this selection provider.
`void` | `fireSelectionChanged(SelectionChangedEvent event)` Notifies all registered selection changed listeners that the editor's selection has changed.
`MultiPageEditorPart` | `getMultiPageEditor()` Returns the multi-page editor.
`ISelection` | `getSelection()` Returns the current selection for this provider.
`void` | `removeSelectionChangedListener(ISelectionChangedListener listener)` Removes the given selection change listener from this selection provider.
`void` | `setSelection(ISelection selection)` Sets the current selection for this selection provider.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### MultiPageSelectionProvider

    public MultiPageSelectionProvider(MultiPageEditorPart multiPageEditor)

  Creates a selection provider for the given multi-page editor.

Parameters:
  `multiPageEditor` - the multi-page editor

Method Detail

### addSelectionChangedListener

    public void addSelectionChangedListener(ISelectionChangedListener listener)

  Description copied from interface: `ISelectionProvider`
  Adds a listener for selection changes in this selection provider. Has no effect if an identical listener is already registered.

  Specified by:
    `addSelectionChangedListener` in interface `ISelectionProvider`
  Parameters:
    `listener` - a selection changed listener

### fireSelectionChanged

    public void fireSelectionChanged(SelectionChangedEvent event)

  Notifies all registered selection changed listeners that the editor's selection has changed. Only listeners registered at the time this method is called are notified.

  Parameters:
    `event` - the selection changed event

### getMultiPageEditor

    public MultiPageEditorPart getMultiPageEditor()

  Returns the multi-page editor.

### getSelection

    public ISelection getSelection()

  Description copied from interface: `ISelectionProvider`
  Returns the current selection for this provider.

  Specified by:
    `getSelection` in interface `ISelectionProvider`
  Returns:
    the current selection

### removeSelectionChangedListener

    public void removeSelectionChangedListener(ISelectionChangedListener listener)

  Description copied from interface: `ISelectionProvider`
  Removes the given selection change listener from this selection provider. Has no affect if an identical listener is not registered.

  Specified by:
    `removeSelectionChangedListener` in interface `ISelectionProvider`
  Parameters:
    `listener` - a selection changed listener

### setSelection

    public void setSelection(ISelection selection)

  Description copied from interface: `ISelectionProvider`
  Sets the current selection for this selection provider.

  Specified by:
    `setSelection` in interface `ISelectionProvider`
  Parameters:
    `selection` - the new selection

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