: Interface SelectionManager

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## grendel.widgets
Interface SelectionManager

All Known Implementing Classes:
  MultiSelectionManager, SingleSelectionManager

public abstract interface SelectionManager

Interface for simple selection management.

See Also:
  `MultiSelectionManager`, `SingleSelectionManager`, `SelectionListener`

Method Summary
`void` | `addSelection(java.util.Enumeration aObjects)` Adds an array of objects to the selection.
`void` | `addSelection(java.lang.Object aObject)` Adds a single object to the selection.
`void` | `addSelectionListener(SelectionListener aListener)` Adds a selection listener
`void` | `clearSelection()` Removes all objects from the selection
`void` | `contextClickSelection(java.awt.event.MouseEvent aEvent)` Passed on to listeners
`void` | `doubleClickSelection(java.awt.event.MouseEvent aEvent)` Passed on to listeners
`void` | `dragSelection(java.awt.event.MouseEvent aEvent)` Passed on to listeners
`java.util.Enumeration` | `getSelection()` Returns an enumeration of all objects in the selection
`int` | `getSelectionCount()` Returns the number of objects in the selection
`boolean` | `isSelected(java.lang.Object aObject)` Returns true if the object is in the selection.
`void` | `removeSelection(java.util.Enumeration aObjects)` Removes an array of objects from the selection.
`void` | `removeSelection(java.lang.Object aObject)` Removes a single object from the selection.
`void` | `removeSelectionListener(SelectionListener aListener)` Removes a selection listener
`void` | `setSelection(java.util.Enumeration aObjects)` Sets the selection to be the given array of objects
`void` | `setSelection(java.lang.Object aObject)` Sets the selection to be a single object

Method Detail

### clearSelection

    public void clearSelection()

  Removes all objects from the selection

### setSelection

    public void setSelection(java.lang.Object aObject)

  Sets the selection to be a single object

### setSelection

    public void setSelection(java.util.Enumeration aObjects)

  Sets the selection to be the given array of objects

### addSelection

    public void addSelection(java.lang.Object aObject)

  Adds a single object to the selection. Notifies listeners if the selection changes.

### addSelection

    public void addSelection(java.util.Enumeration aObjects)

  Adds an array of objects to the selection. Notifies listeners if the selection changes.

### removeSelection

    public void removeSelection(java.lang.Object aObject)

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

### removeSelection

    public void removeSelection(java.util.Enumeration aObjects)

  Removes an array of objects from the selection. Notifies listeners if the selection changes.

### isSelected

    public boolean isSelected(java.lang.Object aObject)

  Returns true if the object is in the selection.

### getSelectionCount

    public int getSelectionCount()

  Returns the number of objects in the selection

### getSelection

    public java.util.Enumeration getSelection()

  Returns an enumeration of all objects in the selection

### doubleClickSelection

    public void doubleClickSelection(java.awt.event.MouseEvent aEvent)

  Passed on to listeners

### contextClickSelection

    public void contextClickSelection(java.awt.event.MouseEvent aEvent)

  Passed on to listeners

### dragSelection

    public void dragSelection(java.awt.event.MouseEvent aEvent)

  Passed on to listeners

### addSelectionListener

    public void addSelectionListener(SelectionListener aListener)

  Adds a selection listener

### removeSelectionListener

    public void removeSelectionListener(SelectionListener aListener)

  Removes a selection listener

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