com.tonbeller.wcf.selection
Interface SingleSelectionModel

All Known Subinterfaces:

SelectionModel

All Known Implementing Classes:

AbstractSelectionModel, DefaultSelectionModel, SelectionModelDecorator

public interface SingleSelectionModel

SelectionModel for Tree and Table components.

Author:

av

Method Summary

void	addSelectionListener(SelectionChangeListener l)
void	clear() clears the selection
void	fireSelectionChanged(RequestContext context) fires a SelectionChangeEvent.
java.lang.Object	getSingleSelection() return the only selected object or null if the selection is empty.
boolean	isEmpty()
boolean	isSelectable(java.lang.Object item) true, if item is selectable.
void	removeSelectionListener(SelectionChangeListener l)
void	setSingleSelection(java.lang.Object selectedObject) sets the only selected element

Method Detail

getSingleSelection

public java.lang.Object getSingleSelection()

return the only selected object or null if the selection is empty.

Throws:

java.lang.IllegalStateException - if the selection contains more than one element

setSingleSelection

public void setSingleSelection(java.lang.Object selectedObject)

sets the only selected element

clear

public void clear()

clears the selection

isEmpty

public boolean isEmpty()

isSelectable

public boolean isSelectable(java.lang.Object item)

true, if item is selectable. If not, no checkbox / radio button / hyperlink will be generated

fireSelectionChanged

public void fireSelectionChanged(RequestContext context)

fires a SelectionChangeEvent. This is not fired automatically so clients may choose when to notify the listeners (e.g. after a couple of changes have been made).

Parameters:

context -

addSelectionListener

public void addSelectionListener(SelectionChangeListener l)

removeSelectionListener

public void removeSelectionListener(SelectionChangeListener l)