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java.lang.Objectorg.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
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
.
Field Summary |
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Fields inherited from interface org.eclipse.jface.action.IAction |
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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 | |
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ShowWhitespaceCharactersAction(ResourceBundle resourceBundle,
String prefix,
ITextEditor editor,
IPreferenceStore store)
Construct the action and initialize its state. |
Method Summary | |
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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 |
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canModifyEditor, getTextEditor, setEditor, validateEditorInputState |
Methods inherited from class org.eclipse.ui.texteditor.ResourceAction |
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getString, initialize, setHelpContextId |
Methods inherited from class org.eclipse.jface.action.AbstractAction |
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addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener |
Methods inherited from class org.eclipse.core.commands.common.EventManager |
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addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.eclipse.jface.action.IAction |
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addPropertyChangeListener, removePropertyChangeListener |
Constructor Detail |
public ShowWhitespaceCharactersAction(ResourceBundle resourceBundle, String prefix, ITextEditor editor, IPreferenceStore store)
resourceBundle
- the resource bundle to construct label and tooltip fromprefix
- the prefix to use for constructing resource bundle keyseditor
- the editor this action is associated withstore
- the preference store (may be null
)Method Detail |
public void setPreferenceStore(IPreferenceStore store)
store
- the preference storepublic void run()
Action
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.
run
in interface IAction
run
in class Action
public void update()
TextEditorAction
null
, the action is disabled.
Subclasses may override.
update
in interface IUpdate
update
in class TextEditorAction
|
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Guidelines for using Eclipse APIs.
Copyright (c) IBM Corp. and others 2000, 2007. All rights reserved.