org.eclipse.jface.text.source
Interface ILineDiffer

public interface ILineDiffer

Protocol that allows direct access to line information. Usually, implementations will also implement IAnnotationModel, which only allows Iterator based access to annotations.

Since:

3.0

Method Summary

ILineDiffInfo	getLineInfo(int line) Determines the line state for line line in the targeted document.
int	restoreAfterLine(int line) Restores the deleted lines after line.
void	revertBlock(int line) Reverts a block of modified / added lines to their original state, including any deleted lines inside the block or at its borders.
void	revertLine(int line) Reverts a single changed line to its original state, not touching any lines that are deleted at its borders.
void	revertSelection(int line, int nLines) Reverts a range of lines to their original state, including any deleted lines inside the block or at its borders.

Method Detail

getLineInfo

public ILineDiffInfo getLineInfo(int line)

Determines the line state for line line in the targeted document.

Parameters:

line -

Returns:

the line information object for line.

revertLine

public void revertLine(int line)
                throws BadLocationException

Reverts a single changed line to its original state, not touching any lines that are deleted at its borders.

Parameters:

line - the line number of the line to be restored.

Throws:

BadLocationException - if line is out of bounds.

revertBlock

public void revertBlock(int line)
                 throws BadLocationException

Reverts a block of modified / added lines to their original state, including any deleted lines inside the block or at its borders. A block is considered to be a range of modified (e.g. changed, or added) lines.

Parameters:

line - any line in the block to be reverted.

Throws:

BadLocationException - if line is out of bounds.

revertSelection

public void revertSelection(int line,
                            int nLines)
                     throws BadLocationException

Reverts a range of lines to their original state, including any deleted lines inside the block or at its borders.

Parameters:

line - any line in the block to be reverted.

nLines - the number of lines to be reverted, must be > 0.

Throws:

BadLocationException - if line is out of bounds.

restoreAfterLine

public int restoreAfterLine(int line)
                     throws BadLocationException

Restores the deleted lines after line.

Parameters:

line - the deleted lines following this line number are restored.

Returns:

the number of restored lines.

Throws:

BadLocationException - if line is out of bounds.