Class FocusCellOwnerDrawHighlighter


  • public class FocusCellOwnerDrawHighlighter
    extends FocusCellHighlighter
    A concrete implementation of FocusCellHighlighter using by setting the control into owner draw mode and highlighting the currently selected cell. To make the use this class you should create the control with the SWT.FULL_SELECTION bit set This class can be subclassed to configure how the coloring of the selected cell.
    Since:
    3.3
    • Constructor Detail

      • FocusCellOwnerDrawHighlighter

        public FocusCellOwnerDrawHighlighter​(ColumnViewer viewer)
        Create a new instance which can be passed to a TreeViewerFocusCellManager
        Parameters:
        viewer - the viewer
      • FocusCellOwnerDrawHighlighter

        public FocusCellOwnerDrawHighlighter​(ColumnViewer viewer,
                                             boolean removeNonFocusedSelectionInformation)
        Create a new instance which can be passed to a TreeViewerFocusCellManager
        Parameters:
        viewer - the viewer
        removeNonFocusedSelectionInformation - true if only the currently focused cell should be indicated as selected. false to indicate both the full selection and the currently focused cell.
        Since:
        3.14
    • Method Detail

      • getSelectedCellBackgroundColor

        protected Color getSelectedCellBackgroundColor​(ViewerCell cell)
        The color to use when rendering the background of the selected cell when the control has the input focus
        Parameters:
        cell - the cell which is colored
        Returns:
        the color or null to use the default
      • getSelectedCellForegroundColor

        protected Color getSelectedCellForegroundColor​(ViewerCell cell)
        The color to use when rendering the foreground (=text) of the selected cell when the control has the input focus
        Parameters:
        cell - the cell which is colored
        Returns:
        the color or null to use the default
      • getSelectedCellForegroundColorNoFocus

        protected Color getSelectedCellForegroundColorNoFocus​(ViewerCell cell)
        The color to use when rendering the foreground (=text) of the selected cell when the control has no input focus
        Parameters:
        cell - the cell which is colored
        Returns:
        the color or null to use the same used when control has focus
        Since:
        3.4
      • getSelectedCellBackgroundColorNoFocus

        protected Color getSelectedCellBackgroundColorNoFocus​(ViewerCell cell)
        The color to use when rendering the background of the selected cell when the control has no input focus
        Parameters:
        cell - the cell which is colored
        Returns:
        the color or null to use the same used when control has focus
        Since:
        3.4
      • onlyTextHighlighting

        protected boolean onlyTextHighlighting​(ViewerCell cell)
        Controls whether the whole cell or only the text-area is highlighted
        Parameters:
        cell - the cell which is highlighted
        Returns:
        true if only the text area should be highlighted
        Since:
        3.4
      • focusCellChanged

        protected void focusCellChanged​(ViewerCell newCell,
                                        ViewerCell oldCell)
        Description copied from class: FocusCellHighlighter
        Called by the framework when the focus cell has changed. Subclasses may extend.

        The default implementation for this method calls focusCellChanged(ViewerCell). Subclasses should override this method rather than FocusCellHighlighter.focusCellChanged(ViewerCell) .

        Overrides:
        focusCellChanged in class FocusCellHighlighter
        Parameters:
        newCell - the new focus cell or null if no new cell receives the focus
        oldCell - the old focus cell or null if no cell has been focused before