com.arsdigita.formbuilder.ui
Class DecimalSingleSelectionModel

java.lang.Object
  com.arsdigita.bebop.AbstractSingleSelectionModel
      com.arsdigita.formbuilder.ui.DecimalSingleSelectionModel

All Implemented Interfaces:

Lockable, SingleSelectionModel

public class DecimalSingleSelectionModel

extends AbstractSingleSelectionModel

Field Summary

Fields inherited from class com.arsdigita.bebop.AbstractSingleSelectionModel

versionId

Constructor Summary

DecimalSingleSelectionModel(SingleSelectionModel selection)

Method Summary

void	addChangeListener(ChangeListener l) Adds a change listener to the model.
void	clearSelection(PageState state) Clears the selection.
Object	getSelectedKey(PageState state) Returns the key that identifies the selected element.
ParameterModel	getStateParameter() Returns the state parameter that will be used to keep track of the currently selected key.
boolean	isSelected(PageState state) Returns true if there is a selected element.
void	removeChangeListener(ChangeListener l) Removes a change listener from the model.
void	setSelectedKey(PageState state, Object key) Sets the selected key.

Methods inherited from class com.arsdigita.bebop.AbstractSingleSelectionModel

fireStateChanged, isLocked, lock

Methods inherited from class java.lang.Object

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

Constructor Detail

DecimalSingleSelectionModel

public DecimalSingleSelectionModel(SingleSelectionModel selection)

Method Detail

isSelected

public boolean isSelected(PageState state)

Description copied from class: AbstractSingleSelectionModel

Returns true if there is a selected element.

Specified by:

isSelected in interface SingleSelectionModel

Overrides:

isSelected in class AbstractSingleSelectionModel

Parameters:

state - the state of the current request

Returns:

true if there is a selected component; false otherwise.

getSelectedKey

public Object getSelectedKey(PageState state)

Description copied from interface: SingleSelectionModel

Returns the key that identifies the selected element.

Specified by:

getSelectedKey in interface SingleSelectionModel

Specified by:

getSelectedKey in class AbstractSingleSelectionModel

setSelectedKey

public void setSelectedKey(PageState state,
                           Object key)

Description copied from interface: SingleSelectionModel

Sets the selected key. If key is not in the collection of objects underlying this model, an IllegalArgumentException is thrown.

Specified by:

setSelectedKey in interface SingleSelectionModel

Specified by:

setSelectedKey in class AbstractSingleSelectionModel

clearSelection

public void clearSelection(PageState state)

Description copied from interface: SingleSelectionModel

Clears the selection.

Specified by:

clearSelection in interface SingleSelectionModel

Overrides:

clearSelection in class AbstractSingleSelectionModel

addChangeListener

public void addChangeListener(ChangeListener l)

Description copied from interface: SingleSelectionModel

Adds a change listener to the model. The listener's stateChanged method is called whenever the selected key changes.

Specified by:

addChangeListener in interface SingleSelectionModel

Overrides:

addChangeListener in class AbstractSingleSelectionModel

removeChangeListener

public void removeChangeListener(ChangeListener l)

Description copied from interface: SingleSelectionModel

Removes a change listener from the model.

Specified by:

removeChangeListener in interface SingleSelectionModel

Overrides:

removeChangeListener in class AbstractSingleSelectionModel

getStateParameter

public ParameterModel getStateParameter()

Description copied from interface: SingleSelectionModel

Returns the state parameter that will be used to keep track of the currently selected key. Typically, the implementing class will simply call:

return new StringParameter("foo");

This method may return null if a state parameter is not appropriate in the context of the implementing class.

Returns:

the state parameter to use to keep track of the currently selected component, or null if a state parameter is not appropriate.