Class BasicDirectoryModel

java.lang.Object

javax.swing.AbstractListModel<Object>

javax.swing.plaf.basic.BasicDirectoryModel

All Implemented Interfaces:

PropertyChangeListener, Serializable, EventListener, ListModel<Object>

public class BasicDirectoryModel
extends AbstractListModel<Object>
implements PropertyChangeListener

Basic implementation of a file list.

Field Summary

Fields declared in class AbstractListModel

listenerList

Modifier and Type	Field	Description
protected EventListenerList	listenerList	The listener list.

Constructor Summary

Constructors

Constructor	Description
BasicDirectoryModel(JFileChooser filechooser)	Constructs a new instance of BasicDirectoryModel.

Method Summary

Modifier and Type	Method	Description
void	addPropertyChangeListener(PropertyChangeListener listener)	Adds a PropertyChangeListener to the listener list.
boolean	contains(Object o)	Returns true if an element o is in file cache, otherwise, returns false.
void	fireContentsChanged()	Invoked when a content is changed.
protected void	firePropertyChange(String propertyName, Object oldValue, Object newValue)	Support for reporting bound property changes for boolean properties.
Vector<File>	getDirectories()	Returns a list of directories.
Object	getElementAt(int index)	Returns the value at the specified index.
Vector<File>	getFiles()	Returns a list of files.
PropertyChangeListener[]	getPropertyChangeListeners()	Returns an array of all the property change listeners registered on this component.
int	getSize()	Returns the length of the list.
int	indexOf(Object o)	Returns an index of element o in file cache.
void	intervalAdded(ListDataEvent e)	Deprecated, for removal: This API element is subject to removal in a future version. Obsolete method, not used anymore.
void	intervalRemoved(ListDataEvent e)	Deprecated, for removal: This API element is subject to removal in a future version. Obsolete method, not used anymore.
void	invalidateFileCache()	This method is used to interrupt file loading thread.
protected boolean	lt(File a, File b)	Deprecated, for removal: This API element is subject to removal in a future version. Obsolete method, not used anymore.
void	propertyChange(PropertyChangeEvent e)	This method gets called when a bound property is changed.
void	removePropertyChangeListener(PropertyChangeListener listener)	Removes a PropertyChangeListener from the listener list.
boolean	renameFile(File oldFile, File newFile)	Renames a file in the underlying file system.
protected void	sort(Vector<? extends File> v)	Sorts a list of files.
void	validateFileCache()	Validates content of file cache.

Methods declared in class AbstractListModel

addListDataListener, fireContentsChanged, fireIntervalAdded, fireIntervalRemoved, getListDataListeners, getListeners, removeListDataListener

Modifier and Type	Method	Description
void	addListDataListener(ListDataListener l)	Adds a listener to the list that's notified each time a change to the data model occurs.
protected void	fireContentsChanged(Object source, int index0, int index1)	AbstractListModel subclasses must call this method after one or more elements of the list change.
protected void	fireIntervalAdded(Object source, int index0, int index1)	AbstractListModel subclasses must call this method after one or more elements are added to the model.
protected void	fireIntervalRemoved(Object source, int index0, int index1)	AbstractListModel subclasses must call this method after one or more elements are removed from the model.
ListDataListener[]	getListDataListeners()	Returns an array of all the list data listeners registered on this AbstractListModel.
<T extends EventListener> T[]	getListeners(Class<T> listenerType)	Returns an array of all the objects currently registered as FooListeners upon this model.
void	removeListDataListener(ListDataListener l)	Removes a listener from the list that's notified each time a change to the data model occurs.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

BasicDirectoryModel

public BasicDirectoryModel(JFileChooser filechooser)

Constructs a new instance of BasicDirectoryModel.

Parameters:

filechooser - an instance of {JFileChooser}

Method Details

propertyChange

public void propertyChange(PropertyChangeEvent e)

Description copied from interface: PropertyChangeListener

This method gets called when a bound property is changed.

Specified by:

propertyChange in interface PropertyChangeListener

Parameters:

e - A PropertyChangeEvent object describing the event source and the property that has changed.

invalidateFileCache

public void invalidateFileCache()

This method is used to interrupt file loading thread.

getDirectories

public Vector<File> getDirectories()

Returns a list of directories.

Returns:

a list of directories

getFiles

public Vector<File> getFiles()

Returns a list of files.

Returns:

a list of files

validateFileCache

public void validateFileCache()

Validates content of file cache.

renameFile

public boolean renameFile(File oldFile,
 File newFile)

Renames a file in the underlying file system.

Parameters:

oldFile - a File object representing the existing file

newFile - a File object representing the desired new file name

Returns:

true if rename succeeded, otherwise false

Since:

1.4

fireContentsChanged

public void fireContentsChanged()

Invoked when a content is changed.

getSize

public int getSize()

Description copied from interface: ListModel

Returns the length of the list.

Specified by:

getSize in interface ListModel<Object>

Returns:

the length of the list

contains

public boolean contains(Object o)

Returns true if an element o is in file cache, otherwise, returns false.

Parameters:

o - an element

Returns:

true if an element o is in file cache

indexOf

public int indexOf(Object o)

Returns an index of element o in file cache.

Parameters:

o - an element

Returns:

an index of element o in file cache

getElementAt

public Object getElementAt(int index)

Description copied from interface: ListModel

Returns the value at the specified index.

Specified by:

getElementAt in interface ListModel<Object>

Parameters:

index - the requested index

Returns:

the value at index

intervalAdded

@Deprecated(since="17",
            forRemoval=true)
public void intervalAdded(ListDataEvent e)

Deprecated, for removal: This API element is subject to removal in a future version.

Obsolete method, not used anymore.

Obsolete - not used. This method is a no-op.

Parameters:

e - list data event

intervalRemoved

@Deprecated(since="17",
            forRemoval=true)
public void intervalRemoved(ListDataEvent e)

Deprecated, for removal: This API element is subject to removal in a future version.

Obsolete method, not used anymore.

Obsolete - not used. This method is a no-op.

Parameters:

e - list data event

sort

protected void sort(Vector<? extends File> v)

Sorts a list of files.

Parameters:

v - a list of files

lt

@Deprecated(since="17",
            forRemoval=true)
protected boolean lt(File a,
 File b)

Deprecated, for removal: This API element is subject to removal in a future version.

Obsolete method, not used anymore.

Obsolete - not used

Parameters:

a - a file

b - another file

Returns:

a comparison of the file names

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

Adds a PropertyChangeListener to the listener list. The listener is registered for all bound properties of this class.

If listener is null, no exception is thrown and no action is performed.

Parameters:

listener - the property change listener to be added

Since:

1.6

See Also:

• removePropertyChangeListener(PropertyChangeListener)
• getPropertyChangeListeners()

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener listener)

Removes a PropertyChangeListener from the listener list.

If listener is null, no exception is thrown and no action is performed.

Parameters:

listener - the PropertyChangeListener to be removed

Since:

1.6

See Also:

• addPropertyChangeListener(PropertyChangeListener)
• getPropertyChangeListeners()

getPropertyChangeListeners

public PropertyChangeListener[] getPropertyChangeListeners()

Returns an array of all the property change listeners registered on this component.

Returns:

all of this component's PropertyChangeListeners or an empty array if no property change listeners are currently registered

Since:

1.6

See Also:

• addPropertyChangeListener(PropertyChangeListener)
• removePropertyChangeListener(PropertyChangeListener)
• PropertyChangeSupport.getPropertyChangeListeners()

firePropertyChange

protected void firePropertyChange(String propertyName,
 Object oldValue,
 Object newValue)

Support for reporting bound property changes for boolean properties. This method can be called when a bound property has changed and it will send the appropriate PropertyChangeEvent to any registered PropertyChangeListeners.

Parameters:

propertyName - the property whose value has changed

oldValue - the property's previous value

newValue - the property's new value

Since:

1.6