javax.swing.plaf.basic

## 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 inherited from class javax.swing.AbstractListModel

      `listenerList`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `BasicDirectoryModel(JFileChooser filechooser)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addPropertyChangeListener(PropertyChangeListener listener)` Adds a PropertyChangeListener to the listener list.
    `boolean` | `contains(Object o)`
    `void` | `fireContentsChanged()`
    `protected void` | `firePropertyChange(String propertyName, Object oldValue, Object newValue)` Support for reporting bound property changes for boolean properties.
    `Vector<File>` | `getDirectories()`
    `Object` | `getElementAt(int index)` Returns the value at the specified index.
    `Vector<File>` | `getFiles()`
    `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)`
    `void` | `intervalAdded(ListDataEvent e)` Obsolete - not used.
    `void` | `intervalRemoved(ListDataEvent e)` Obsolete - not used.
    `void` | `invalidateFileCache()` This method is used to interrupt file loading thread.
    `protected boolean` | `lt(File a, File b)`
    `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)`
    `void` | `validateFileCache()`

    - ### Methods inherited from class javax.swing.AbstractListModel

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

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### BasicDirectoryModel

          public BasicDirectoryModel(JFileChooser filechooser)

  - ### Method Detail

    - #### 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()

    - #### getFiles

          public Vector<File> getFiles()

    - #### validateFileCache

          public void validateFileCache()

    - #### 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()

    - #### 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)

    - #### indexOf

          public int indexOf(Object o)

    - #### 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

          public void intervalAdded(ListDataEvent e)

      Obsolete - not used.

    - #### intervalRemoved

          public void intervalRemoved(ListDataEvent e)

      Obsolete - not used.

    - #### sort

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

    - #### lt

          protected boolean lt(File a,
                   File b)

    - #### 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(java.beans.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(java.beans.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 `PropertyChangeListener`s or an empty array if no property change listeners are currently registered
      Since:
        1.6
      See Also:
        `addPropertyChangeListener(java.beans.PropertyChangeListener)`, `removePropertyChangeListener(java.beans.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

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