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Eclipse Platform
Release 3.5

org.eclipse.ui.texteditor
Class ShowWhitespaceCharactersAction

java.lang.Object
  extended by 

org.eclipse.core.commands.common.EventManager
      extended by 

org.eclipse.jface.action.AbstractAction
          extended by 

org.eclipse.jface.action.Action
              extended by 

org.eclipse.ui.texteditor.ResourceAction
                  extended by 

org.eclipse.ui.texteditor.TextEditorAction
                      extended by 
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
ShowWhitespaceCharactersAction ( ResourceBundle resourceBundle, String prefix, ITextEditor editor, IPreferenceStore store)
          Construct the action and initialize its state.
 
Method Summary
 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
 
Methods inherited from interface org.eclipse.jface.action. IAction
addPropertyChangeListener, removePropertyChangeListener
 

Constructor Detail

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 Detail

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

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

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire