bibliothek.extension.gui.dock.preference
Class AbstractPreference<V>

java.lang.Object
  bibliothek.extension.gui.dock.preference.AbstractPreference<V>

Type Parameters:

V - the kind of value this preference uses

All Implemented Interfaces:

Preference<V>

Direct Known Subclasses:

DefaultPreference

public abstract class AbstractPreference<V>
extends Object
implements Preference<V>

An abstract implementation of Preference that offers support for PreferenceListeners.

Author:

Benjamin Sigg

Constructor Summary

AbstractPreference()

Method Summary

void	addPreferenceListener(PreferenceListener<V> listener) Adds a listener to this preference.
void	doOperation(PreferenceOperation operation) Executes the enabled operation operation.
protected void	fireChanged() Informs all listeners that the value of this preference has changed.
PreferenceOperation[]	getOperations() Gets a list of operations which can be executed by this preference.
boolean	isEnabled(PreferenceOperation operation) Tells whether operation is enabled and thus Preference.doOperation(PreferenceOperation) can be called.
protected PreferenceListener<V>[]	listeners() Gets all the listeners of this preference.
void	removePreferenceListener(PreferenceListener<V> listener) Removes a listener from this preference.

Methods inherited from class java.lang.Object

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

Methods inherited from interface bibliothek.extension.gui.dock.preference.Preference

getDescription, getLabel, getPath, getTypePath, getValue, getValueInfo, isNatural, read, setValue, write

Constructor Detail

AbstractPreference

public AbstractPreference()

Method Detail

addPreferenceListener

public void addPreferenceListener(PreferenceListener<V> listener)

Description copied from interface: Preference

Adds a listener to this preference.

Specified by:

addPreferenceListener in interface Preference<V>

Parameters:

listener - the new listener

removePreferenceListener

public void removePreferenceListener(PreferenceListener<V> listener)

Description copied from interface: Preference

Removes a listener from this preference.

Specified by:

removePreferenceListener in interface Preference<V>

Parameters:

listener - the listener to remove

listeners

protected PreferenceListener<V>[] listeners()

Gets all the listeners of this preference.

Returns:

the list of listeners

fireChanged

protected void fireChanged()

Informs all listeners that the value of this preference has changed.

isEnabled

public boolean isEnabled(PreferenceOperation operation)

Description copied from interface: Preference

Tells whether operation is enabled and thus Preference.doOperation(PreferenceOperation) can be called.

Specified by:

isEnabled in interface Preference<V>

Parameters:

operation - some operation of Preference.getOperations()

Returns:

true if the operation can be executed

getOperations

public PreferenceOperation[] getOperations()

Description copied from interface: Preference

Gets a list of operations which can be executed by this preference.

Specified by:

getOperations in interface Preference<V>

Returns:

the list of operations (enabled and disabled operations)

doOperation

public void doOperation(PreferenceOperation operation)

Description copied from interface: Preference

Executes the enabled operation operation. This method should not be called if operation is disabled.

Specified by:

doOperation in interface Preference<V>

Parameters:

operation - the key of the operation