Class AbstractTextEditor.LineStartAction

All Implemented Interfaces:
IAction
Enclosing class:
AbstractTextEditor

protected class AbstractTextEditor.LineStartAction extends 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
Since:
2.1
  • Constructor Details

    • LineStartAction

      public LineStartAction(StyledText textWidget, boolean doSelect)
      Creates a new line start action.
      Parameters:
      textWidget - the styled text widget
      doSelect - a boolean flag which tells if the text up to the beginning of the line should be selected
  • Method Details

    • getLineStartPosition

      protected int getLineStartPosition(IDocument document, String line, int length, int offset)
      Computes the offset of the line start position.
      Parameters:
      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
      Returns:
      the offset of the line start
      Since:
      3.0
    • 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 TextNavigationAction
      See Also: