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Eclipse Platform
Release 3.0

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org.eclipse.jface.text
Interface ITextOperationTarget

All Known Implementing Classes:

TextViewer

public interface ITextOperationTarget

Defines the target for text operations. canDoOperation informs the clients about the ability of the target to perform the specified operation at the current point in time. doOperation executes the specified operation.

In order to provide backward compatibility for clients of ITextOperationTarget, extension interfaces are used as a means of evolution. The following extension interfaces exist:

• ITextOperationTargetExtension since version 2.0 introducing text operation enabling/disabling.

See Also:

ITextOperationTargetExtension

Field Summary

static int	COPY Text operation code for copying the selected text to the clipboard.
static int	CUT Text operation code for moving the selected text to the clipboard.
static int	DELETE Text operation code for deleting the selected text or if selection is empty the character at the right of the current position.
static int	PASTE Text operation code for inserting the clipboard content at the current position.
static int	PREFIX Text operation code for prefixing the selected text block.
static int	PRINT Text operation code for printing the complete text.
static int	REDO Text operation code for redoing the last undone edit command.
static int	SELECT_ALL Text operation code for selecting the complete text.
static int	SHIFT_LEFT Text operation code for shifting the selected text block to the left.
static int	SHIFT_RIGHT Text operation code for shifting the selected text block to the right.
static int	STRIP_PREFIX Text operation code for removing the prefix from the selected text block.
static int	UNDO Text operation code for undoing the last edit command.

Method Summary

boolean	canDoOperation(int operation) Returns whether the operation specified by the given operation code can be performed.
void	doOperation(int operation) Performs the operation specified by the operation code on the target.

Field Detail

UNDO

public static final int UNDO

Text operation code for undoing the last edit command.

See Also:

Constant Field Values

REDO

public static final int REDO

Text operation code for redoing the last undone edit command.

See Also:

Constant Field Values

CUT

public static final int CUT

Text operation code for moving the selected text to the clipboard.

See Also:

Constant Field Values

COPY

public static final int COPY

Text operation code for copying the selected text to the clipboard.

See Also:

Constant Field Values

PASTE

public static final int PASTE

Text operation code for inserting the clipboard content at the current position.

See Also:

Constant Field Values

DELETE

public static final int DELETE

Text operation code for deleting the selected text or if selection is empty the character at the right of the current position.

See Also:

Constant Field Values

SELECT_ALL

public static final int SELECT_ALL

Text operation code for selecting the complete text.

See Also:

Constant Field Values

SHIFT_RIGHT

public static final int SHIFT_RIGHT

Text operation code for shifting the selected text block to the right.

See Also:

Constant Field Values

SHIFT_LEFT

public static final int SHIFT_LEFT

Text operation code for shifting the selected text block to the left.

See Also:

Constant Field Values

PRINT

public static final int PRINT

Text operation code for printing the complete text.

See Also:

Constant Field Values

PREFIX

public static final int PREFIX

Text operation code for prefixing the selected text block.

See Also:

Constant Field Values

STRIP_PREFIX

public static final int STRIP_PREFIX

Text operation code for removing the prefix from the selected text block.

See Also:

Constant Field Values

Method Detail

canDoOperation

public boolean canDoOperation(int operation)

Returns whether the operation specified by the given operation code can be performed.

Parameters:

operation - the operation code

Returns:

true if the specified operation can be performed

doOperation

public void doOperation(int operation)

Performs the operation specified by the operation code on the target. doOperation must only be called if canDoOperation returns true.

Parameters:

operation - the operation code