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Class grendel.widgets.SingleSelectionManager 

java.lang.Object
   |
   +----grendel.widgets.SingleSelectionManager

public class  SingleSelectionManager
     extends java.lang.Object
     implements grendel.widgets.SelectionManager
{
          // Fields 5
     Object[] fAddedArray;
     Vector fListeners;
     Object[] fNullArray;
     Object[] fRemovedArray;
     Object fSelection;

          // Constructors 1
     public SingleSelectionManager();

          // Methods 19
     public void addSelection(Object);
     public void addSelection(Enumeration);
     public synchronized void addSelectionListener(SelectionListener);
     public void clearSelection();
     public void contextClickSelection(MouseEvent);
     public void doubleClickSelection(MouseEvent);
     public void dragSelection(MouseEvent);
     public Enumeration getSelection();
     public int getSelectionCount();
     public boolean isSelected(Object);
     void notifySelectionChanged(Object[], Object[]);
     void notifySelectionContextClicked(MouseEvent);
     void notifySelectionDoubleClicked(MouseEvent);
     void notifySelectionDragged(MouseEvent);
     public void removeSelection(Object);
     public void removeSelection(Enumeration);
     public synchronized void removeSelectionListener(SelectionListener);
     public void setSelection(Object);
     public void setSelection(Enumeration);
}


Fields


• fSelection

   Object fSelection


• fListeners

   Vector fListeners


• fNullArray

   Object[] fNullArray


• fAddedArray

   Object[] fAddedArray


• fRemovedArray

   Object[] fRemovedArray


Constructors


• SingleSelectionManager 

   public SingleSelectionManager()

Default constructor



Methods


• clearSelection 

   public void clearSelection()

Removes all objects from the selection

Implements:
clearSelection in interface SelectionManager


• setSelection 

   public void setSelection(Object aObject)

Sets the selection to be a single object

Implements:
setSelection in interface SelectionManager


• setSelection 

   public void setSelection(Enumeration aObjects)
Implements:
setSelection in interface SelectionManager


• addSelection 

   public void addSelection(Object aObject)

Adds a single object to the selection. Overwrites previous selection if a selection already exists. Notifies listeners if the selection changes.

Implements:
addSelection in interface SelectionManager


• addSelection 

   public void addSelection(Enumeration aObjects)
Implements:
addSelection in interface SelectionManager


• removeSelection 

   public void removeSelection(Object aObject)

Removes a single object from the selection. Notifies listeners if the selection changes.

Implements:
removeSelection in interface SelectionManager


• removeSelection 

   public void removeSelection(Enumeration aObjects)
Implements:
removeSelection in interface SelectionManager


• isSelected 

   public boolean isSelected(Object aObject)

Returns true if the object is in the selection.

Implements:
isSelected in interface SelectionManager


• getSelectionCount 

   public int getSelectionCount()

Returns the number of objects in the selection

Implements:
getSelectionCount in interface SelectionManager


• getSelection 

   public Enumeration getSelection()

Returns an enumeration of all objects in the selection

Implements:
getSelection in interface SelectionManager


• doubleClickSelection 

   public void doubleClickSelection(MouseEvent aEvent)

Passed on to listeners

Implements:
doubleClickSelection in interface SelectionManager


• contextClickSelection 

   public void contextClickSelection(MouseEvent aEvent)

Passed on to listeners

Implements:
contextClickSelection in interface SelectionManager


• dragSelection 

   public void dragSelection(MouseEvent aEvent)

Passed on to listeners

Implements:
dragSelection in interface SelectionManager


• addSelectionListener 

   public synchronized void addSelectionListener(SelectionListener aListener)

Adds a selection listener

Implements:
addSelectionListener in interface SelectionManager


• removeSelectionListener 

   public synchronized void removeSelectionListener(SelectionListener aListener)

Removes a selection listener

Implements:
removeSelectionListener in interface SelectionManager


• notifySelectionChanged 

   void notifySelectionChanged(Object[] aAdded, 
                               Object[] aRemoved)


• notifySelectionDoubleClicked 

   void notifySelectionDoubleClicked(MouseEvent aEvent)


• notifySelectionContextClicked 

   void notifySelectionContextClicked(MouseEvent aEvent)


• notifySelectionDragged 

   void notifySelectionDragged(MouseEvent aEvent) 

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