Class PerspectiveLabelProvider

  • All Implemented Interfaces:
    IBaseLabelProvider, ILabelProvider, ITableLabelProvider

    public final class PerspectiveLabelProvider
    extends LabelProvider
    implements ITableLabelProvider
    A table label provider implementation for showing workbench perspectives (objects of type IPerspectiveDescriptor) in table- and tree-structured viewers.

    Clients may instantiate this class. It is not intended to be subclassed.

    Since:
    3.0
    • Constructor Detail

      • PerspectiveLabelProvider

        public PerspectiveLabelProvider()
        Creates a new label provider for perspectives. The default perspective is visually marked.
      • PerspectiveLabelProvider

        public PerspectiveLabelProvider​(boolean markDefault)
        Creates a new label provider for perspectives.
        Parameters:
        markDefault - true if the default perspective is to be visually marked, and false if the default perspective is not treated as anything special
    • Method Detail

      • getImage

        public Image getImage​(Object element)
        Description copied from class: LabelProvider
        The LabelProvider implementation of this ILabelProvider method returns null. Subclasses may override.
        Specified by:
        getImage in interface ILabelProvider
        Overrides:
        getImage in class LabelProvider
        Parameters:
        element - the element for which to provide the label image
        Returns:
        the image used to label the element, or null if there is no image for the given object
      • dispose

        public void dispose()
        Description copied from class: BaseLabelProvider
        The BaseLabelProvider implementation of this IBaseLabelProvider method clears its internal listener list. Subclasses may extend but should call the super implementation.
        Specified by:
        dispose in interface IBaseLabelProvider
        Overrides:
        dispose in class BaseLabelProvider
      • getText

        public String getText​(Object element)
        Description copied from class: LabelProvider
        The LabelProvider implementation of this ILabelProvider method returns the element's toString string. Subclasses may override.
        Specified by:
        getText in interface ILabelProvider
        Overrides:
        getText in class LabelProvider
        Parameters:
        element - the element for which to provide the label text
        Returns:
        the text string used to label the element, or null if there is no text label for the given object
      • getColumnImage

        public Image getColumnImage​(Object element,
                                    int columnIndex)
        Description copied from interface: ITableLabelProvider
        Returns the label image for the given column of the given element.
        Specified by:
        getColumnImage in interface ITableLabelProvider
        Parameters:
        element - the object representing the entire row, or null indicating that no input object is set in the viewer
        columnIndex - the zero-based index of the column in which the label appears
        Returns:
        Image or null if there is no image for the given object at columnIndex
        See Also:
        ITableLabelProvider.getColumnImage(java.lang.Object, int)
      • getColumnText

        public String getColumnText​(Object element,
                                    int columnIndex)
        Description copied from interface: ITableLabelProvider
        Returns the label text for the given column of the given element.
        Specified by:
        getColumnText in interface ITableLabelProvider
        Parameters:
        element - the object representing the entire row, or null indicating that no input object is set in the viewer
        columnIndex - the zero-based index of the column in which the label appears
        Returns:
        String or or null if there is no text for the given object at columnIndex
        See Also:
        ITableLabelProvider.getColumnText(java.lang.Object, int)