com.tonbeller.wcf.selection
Class AbstractSelectionModel

java.lang.Object
  com.tonbeller.wcf.selection.AbstractSelectionModel

All Implemented Interfaces:

SelectionModel, SingleSelectionModel

public abstract class AbstractSelectionModel

extends java.lang.Object

implements SelectionModel

simplifies implementation of the SelectionModel

Author:

av

Field Summary

Fields inherited from interface com.tonbeller.wcf.selection.SelectionModel

MULTIPLE_SELECTION, MULTIPLE_SELECTION_BUTTON, MULTIPLE_SELECTION_HREF, NO_SELECTION, SINGLE_SELECTION, SINGLE_SELECTION_BUTTON, SINGLE_SELECTION_HREF

Constructor Summary

protected

AbstractSelectionModel(int mode)

Method Summary

abstract void	add(java.lang.Object obj)
void	addAll(java.util.Collection c)
void	addSelectionListener(SelectionChangeListener l)
abstract void	clear() clears the selection
boolean	contains(java.lang.Object obj)
void	fireSelectionChanged(RequestContext context) fires a SelectionChangeEvent.
int	getMode()
abstract java.util.Set	getSelection()
java.lang.Object	getSingleSelection() return the only selected object or null if the selection is empty.
boolean	isEmpty()
boolean	isSelectable(java.lang.Object item) returns true for all objects except Unselectable
abstract void	remove(java.lang.Object obj)
void	removeSelectionListener(SelectionChangeListener l)
void	setMode(int mode)
void	setSingleSelection(java.lang.Object obj) sets the only selected element

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractSelectionModel

protected AbstractSelectionModel(int mode)

Method Detail

getSelection

public abstract java.util.Set getSelection()

Specified by:

getSelection in interface SelectionModel

add

public abstract void add(java.lang.Object obj)

Specified by:

add in interface SelectionModel

remove

public abstract void remove(java.lang.Object obj)

Specified by:

remove in interface SelectionModel

clear

public abstract void clear()

Description copied from interface: SingleSelectionModel

clears the selection

Specified by:

clear in interface SingleSelectionModel

getMode

public int getMode()

Specified by:

getMode in interface SelectionModel

setMode

public void setMode(int mode)

Specified by:

setMode in interface SelectionModel

addAll

public void addAll(java.util.Collection c)

Specified by:

addAll in interface SelectionModel

contains

public boolean contains(java.lang.Object obj)

Specified by:

contains in interface SelectionModel

getSingleSelection

public java.lang.Object getSingleSelection()

Description copied from interface: SingleSelectionModel

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

Specified by:

getSingleSelection in interface SingleSelectionModel

setSingleSelection

public void setSingleSelection(java.lang.Object obj)

Description copied from interface: SingleSelectionModel

sets the only selected element

Specified by:

setSingleSelection in interface SingleSelectionModel

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface SingleSelectionModel

isSelectable

public boolean isSelectable(java.lang.Object item)

returns true for all objects except Unselectable

Specified by:

isSelectable in interface SingleSelectionModel

See Also:

Unselectable

fireSelectionChanged

public void fireSelectionChanged(RequestContext context)

Description copied from interface: SingleSelectionModel

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).

Specified by:

fireSelectionChanged in interface SingleSelectionModel

Parameters:

context -

addSelectionListener

public void addSelectionListener(SelectionChangeListener l)

Specified by:

addSelectionListener in interface SingleSelectionModel

removeSelectionListener

public void removeSelectionListener(SelectionChangeListener l)

Specified by:

removeSelectionListener in interface SingleSelectionModel