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Eclipse JDT
Release 3.0

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org.eclipse.jdt.ui.actions
Class SelectionDispatchAction

java.lang.Object
  org.eclipse.jface.action.Action
      org.eclipse.jdt.ui.actions.SelectionDispatchAction

All Implemented Interfaces:

IAction, ISelectionChangedListener

Direct Known Subclasses:

AddDelegateMethodsAction, AddGetterSetterAction, AddJavaDocStubAction, AddToClasspathAction, AddUnimplementedConstructorsAction, ChangeTypeAction, ConvertAnonymousToNestedAction, ConvertLocalToFieldAction, ConvertNestedToTopAction, ExternalizeStringsAction, ExtractConstantAction, ExtractInterfaceAction, ExtractMethodAction, ExtractTempAction, FindAction, FindOccurrencesInFileAction, FindStringsToExternalizeAction, FormatAllAction, GenerateNewConstructorUsingFieldsAction, InlineAction, InlineTempAction, IntroduceFactoryAction, IntroduceParameterAction, ModifyParametersAction, MoveAction, OpenAction, OpenExternalJavadocAction, OpenProjectAction, OpenSuperImplementationAction, OpenTypeHierarchyAction, OrganizeImportsAction, OverrideMethodsAction, PullUpAction, PushDownAction, RefreshAction, RemoveFromClasspathAction, RenameAction, SelfEncapsulateFieldAction, ShowInNavigatorViewAction, ShowInPackageViewAction, SortMembersAction, SurroundWithTryCatchAction, UseSupertypeAction

public abstract class SelectionDispatchAction

extends Action

implements ISelectionChangedListener

Action that dispatches the IAction#run() and the ISelectionChangedListener#selectionChanged according to the type of the selection.

• if selection is of type ITextSelection then run(ITextSelection) and selectionChanged(ITextSelection) is called.
• if selection is of type IStructuredSelection then run(IStructuredSelection) and selectionChanged(IStructuredSelection) is called.
• default is to call run(ISelection) and selectionChanged(ISelection).

Note: This class is not intended to be subclassed outside the JDT UI plugin.

Since:

2.0

Field Summary

Fields inherited from interface org.eclipse.jface.action.IAction

AS_CHECK_BOX, AS_DROP_DOWN_MENU, AS_PUSH_BUTTON, AS_RADIO_BUTTON, AS_UNSPECIFIED, CHECKED, DESCRIPTION, ENABLED, IMAGE, RESULT, TEXT, TOOL_TIP_TEXT

Constructor Summary

protected

SelectionDispatchAction(IWorkbenchSite site) Creates a new action with no text and no image.

Method Summary

ISelection	getSelection() Returns the selection provided by the site owning this action.
ISelectionProvider	getSelectionProvider() Returns the selection provider managed by the site owning this action.
Shell	getShell() Returns the shell provided by the site owning this action.
IWorkbenchSite	getSite() Returns the site owning this action.
void	run()
void	run(ISelection selection) Executes this actions with the given selection.
void	run(IStructuredSelection selection) Executes this actions with the given structured selection.
void	run(ITextSelection selection) Executes this actions with the given text selection.
void	run(org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection selection) Note: This method is for internal use only.
void	selectionChanged(ISelection selection) Notifies this action that the given selection has changed.
void	selectionChanged(IStructuredSelection selection) Notifies this action that the given structured selection has changed.
void	selectionChanged(ITextSelection selection) Notifies this action that the given text selection has changed.
void	selectionChanged(org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection selection) Note: This method is for internal use only.
void	selectionChanged(SelectionChangedEvent event)
void	update(ISelection selection) Updates the action's enablement state according to the given selection.

Methods inherited from class org.eclipse.jface.action.Action

addPropertyChangeListener, convertAccelerator, convertAccelerator, findKeyCode, findKeyString, findModifier, findModifierString, firePropertyChange, firePropertyChange, getAccelerator, getActionDefinitionId, getDescription, getDisabledImageDescriptor, getHelpListener, getHoverImageDescriptor, getId, getImageDescriptor, getMenuCreator, getStyle, getText, getToolTipText, isChecked, isEnabled, notifyResult, removeAcceleratorText, removeMnemonics, removePropertyChangeListener, runWithEvent, setAccelerator, setActionDefinitionId, setChecked, setDescription, setDisabledImageDescriptor, setEnabled, setHelpListener, setHoverImageDescriptor, setId, setImageDescriptor, setMenuCreator, setText, setToolTipText

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectionDispatchAction

protected SelectionDispatchAction(IWorkbenchSite site)

Creates a new action with no text and no image.

Configure the action later using the set methods.

Parameters:

site - the site this action is working on

Method Detail

getSite

public IWorkbenchSite getSite()

Returns the site owning this action.

Returns:

the site owning this action

getSelection

public ISelection getSelection()

Returns the selection provided by the site owning this action.

Returns:

the site's selection

getShell

public Shell getShell()

Returns the shell provided by the site owning this action.

Returns:

the site's shell

getSelectionProvider

public ISelectionProvider getSelectionProvider()

Returns the selection provider managed by the site owning this action.

Returns:

the site's selection provider

update

public void update(ISelection selection)

Updates the action's enablement state according to the given selection. This default implementation calls one of the selectionChanged methods depending on the type of the passed selection.

Parameters:

selection - the selection this action is working on

selectionChanged

public void selectionChanged(IStructuredSelection selection)

Notifies this action that the given structured selection has changed. This default implementation calls selectionChanged(ISelection selection).

Parameters:

selection - the new selection

run

public void run(IStructuredSelection selection)

Executes this actions with the given structured selection. This default implementation calls run(ISelection selection).

selectionChanged

public void selectionChanged(org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection selection)

Note: This method is for internal use only. Clients should not call this method.

run

public void run(org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection selection)

Note: This method is for internal use only. Clients should not call this method.

selectionChanged

public void selectionChanged(ITextSelection selection)

Notifies this action that the given text selection has changed. This default implementation calls selectionChanged(ISelection selection).

Parameters:

selection - the new selection

run

public void run(ITextSelection selection)

Executes this actions with the given text selection. This default implementation calls run(ISelection selection).

selectionChanged

public void selectionChanged(ISelection selection)

Notifies this action that the given selection has changed. This default implementation sets the action's enablement state to false.

Parameters:

selection - the new selection

run

public void run(ISelection selection)

Executes this actions with the given selection. This default implementation does nothing.

run

public void run()

Specified by:

run in interface IAction

selectionChanged

public void selectionChanged(SelectionChangedEvent event)

Specified by:

selectionChanged in interface ISelectionChangedListener