Class SelectionManager

java.lang.Object
org.eclipse.gef.SelectionManager

public class SelectionManager extends Object
Manages a viewer's selection model. Selection management includes representing a form of selection which is available to clients of a viewer as an ISelection. It also includes managing the notion of focus, which is closely tied to the current selection. The selection manager provides the mechanism for modifying the selection and any validation.

WARNING: Subclassing this class is considered experimental at this point.

Since:
3.2
  • Constructor Details

    • SelectionManager

      protected SelectionManager()
      Default Constructor
      Since:
      3.2
  • Method Details

    • createDefault

      public static SelectionManager createDefault()
      Creates the default implementation for a selection manager.
      Returns:
      the default selection manager
      Since:
      3.2
    • appendSelection

      public void appendSelection(EditPart editpart)
      Appends the EditPart to the current selection. The EditPart becomes the new primary selection. Fires selection changed to all ISelectionChangedListeners.
      Parameters:
      editpart - the EditPart to append
      Since:
      3.2
    • deselect

      public void deselect(EditPart editpart)
      Removes the EditPart from the current selection.
      Parameters:
      editpart - the editpart
      Since:
      3.2
    • deselectAll

      public void deselectAll()
      Deselects everything.
      Since:
      3.2
    • fireSelectionChanged

      protected final void fireSelectionChanged()
      Causes the viewer to fire selection changed notification to all listeners.
      Since:
      3.2
    • getFocus

      protected EditPart getFocus()
      Returns the focus editpart.
      Returns:
      the focus editpart
      Since:
      3.2
    • getSelection

      public ISelection getSelection()
      Returns the current selection.
      Returns:
      the selection
      Since:
      3.2
    • getViewer

      protected EditPartViewer getViewer()
      Returns null or the viewer whose selection is managed.
      Returns:
      null or the viewer
      Since:
      3.2
    • internalHookControl

      public void internalHookControl(Control control)
      For internal use only. This API is subject to change.
      Parameters:
      control - the control
      Since:
      3.2
    • internalUninstall

      public void internalUninstall()
      For internal use only. This API is subject to change.
      Since:
      3.2
    • hookViewer

      protected void hookViewer(EditPartViewer viewer)
      Provides a hook for when the viewer has been set.
      Parameters:
      viewer - the viewer.
      Since:
      3.2
    • internalInitialize

      public void internalInitialize(EditPartViewer viewer, List selection, Runnable notifier)
      For internal use only.
      Parameters:
      viewer - viewer
      selection - selection
      notifier - notifier
      Since:
      3.2
    • setFocus

      public void setFocus(EditPart part)
      Sets the focus part.
      Parameters:
      part - the focus part
      Since:
      3.2
    • setSelection

      public void setSelection(ISelection newSelection)
      Sets the selection.
      Parameters:
      newSelection - the new selection
      Since:
      3.2