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org.eclipse.ui.texteditor
Class AbstractTextEditor.LineStartAction
java.lang.Object
org.eclipse.core.commands.common.EventManager
org.eclipse.jface.action.AbstractAction
org.eclipse.jface.action.Action
org.eclipse.ui.texteditor.TextNavigationAction
org.eclipse.ui.texteditor.AbstractTextEditor.LineStartAction
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All Implemented Interfaces:
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IAction
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Enclosing class:
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AbstractTextEditor
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protected class AbstractTextEditor.LineStartAction
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TextNavigationAction
This action implements smart home.
Instead of going to the start of a line it does the following:
- if smart home/end is enabled and the caret is after the line's first non-whitespace then the caret is moved directly before it
- if the caret is before the line's first non-whitespace the caret is moved to the beginning of the line
- if the caret is at the beginning of the line the caret is moved directly before the line's first non-whitespace character
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Since:
- 2.1
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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
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Method Summary
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protected int
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getLineStartPosition
(
IDocument document,
String line,
int length,
int offset)
Computes the offset of the line start position. |
void
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run
()
The default implementation of this IAction method does
nothing. |
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Methods inherited from class org.eclipse.ui.texteditor.
TextNavigationAction
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addPropertyChangeListener,
fireSelectionChanged,
fireSelectionChanged,
getAccelerator,
getDescription,
getDisabledImageDescriptor,
getHelpListener,
getHoverImageDescriptor,
getImageDescriptor,
getMenuCreator,
getStyle,
getText,
getTextWidget,
getToolTipText,
isChecked,
isEnabled,
removePropertyChangeListener,
runWithEvent,
setAccelerator,
setChecked,
setDescription,
setDisabledImageDescriptor,
setEnabled,
setHelpListener,
setHoverImageDescriptor,
setImageDescriptor,
setMenuCreator,
setText,
setToolTipText
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Methods inherited from class org.eclipse.jface.action.
Action
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convertAccelerator,
convertAccelerator,
findKeyCode,
findKeyString,
findModifier,
findModifierString,
getActionDefinitionId,
getId,
isHandled,
notifyResult,
removeAcceleratorText,
removeMnemonics,
setActionDefinitionId,
setId
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Methods inherited from class java.lang.
Object
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clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
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AbstractTextEditor.LineStartAction
public AbstractTextEditor.LineStartAction(
StyledText textWidget,
boolean doSelect)
- Creates a new line start action.
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Parameters:
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textWidget - the styled text widget -
doSelect - a boolean flag which tells if the text up to the beginning of the line should be selected
getLineStartPosition
protected int getLineStartPosition(
IDocument document,
String line,
int length,
int offset)
- Computes the offset of the line start position.
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Parameters:
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document - the document where to compute the line start position -
line - the line to determine the start position of -
length - the length of the line -
offset - the caret position in the document
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Returns:
- the offset of the line start
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Since:
- 3.0
run
public void run()
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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.
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Specified by:
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run
in interface
IAction
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Overrides:
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run
in class
TextNavigationAction
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Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
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