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

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 `FooListener`s 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

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:

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:

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

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