Package org.eclipse.ui.texteditor

Class ShowWhitespaceCharactersAction

java.lang.Object

org.eclipse.core.commands.common.EventManager

org.eclipse.jface.action.AbstractAction

org.eclipse.jface.action.Action

org.eclipse.ui.texteditor.ResourceAction

org.eclipse.ui.texteditor.TextEditorAction

org.eclipse.ui.texteditor.ShowWhitespaceCharactersAction

All Implemented Interfaces:

IAction, IUpdate

public class ShowWhitespaceCharactersAction
extends TextEditorAction

This action toggles the display of whitespace characters by attaching/detaching an WhitespaceCharacterPainter to the associated text editor.

Note: Currently this action only works if the given editor inherits from AbstractTextEditor.

Since:

3.3

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, HANDLED, IMAGE, RESULT, TEXT, TOOL_TIP_TEXT

Constructor Summary

Constructors

Constructor	Description
ShowWhitespaceCharactersAction(ResourceBundle resourceBundle, String prefix, ITextEditor editor, IPreferenceStore store)	Construct the action and initialize its state.

Method Summary

Modifier and Type	Method	Description
void	run()	The default implementation of this IAction method does nothing.
void	setPreferenceStore(IPreferenceStore store)	Sets the preference store of this action.
void	update()	Always enables this action if it is connected to a text editor.

Methods inherited from class org.eclipse.ui.texteditor.TextEditorAction

canModifyEditor, getTextEditor, setEditor, validateEditorInputState

Methods inherited from class org.eclipse.ui.texteditor.ResourceAction

getString, initialize, setHelpContextId

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

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

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

addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener

Methods inherited from class org.eclipse.core.commands.common.EventManager

addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang.Object

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

Constructor Details

ShowWhitespaceCharactersAction

public ShowWhitespaceCharactersAction(ResourceBundle resourceBundle,
 String prefix,
 ITextEditor editor,
 IPreferenceStore store)

Construct the action and initialize its state.

Parameters:

resourceBundle - the resource bundle to construct label and tooltip from

prefix - the prefix to use for constructing resource bundle keys

editor - the editor this action is associated with

store - the preference store (may be null)

Method Details

setPreferenceStore

public void setPreferenceStore(IPreferenceStore store)

Sets the preference store of this action.

Parameters:

store - the preference store

run

public void run()

Description copied from class: Action

The default implementation of this IAction method does nothing. Subclasses should override this method if they do not need information from the triggering event, or override runWithEvent(Event) if they do.

Specified by:

run in interface IAction

Overrides:

run in class Action

See Also:

• How radio buttons are handled
• How check boxes are handled

update

public void update()

Description copied from class: TextEditorAction

Always enables this action if it is connected to a text editor. If the associated editor is null, the action is disabled. Subclasses may override.

Specified by:

update in interface IUpdate

Overrides:

update in class TextEditorAction