JavaTM 2 Platform
Standard Edition

Class FileView

Direct Known Subclasses:

public abstract class FileView
extends Object

FileView defines an abstract class that can be implemented to provide the filechooser with ui information for a File. Each L&F JFileChooserUI object implements this class to pass back the correct icons and type descriptions specific to that L&F. For example, the Windows L&F returns the generic Windows icons for directories and generic files. Additionally, you may want to provide your own FileView to JFileChooser to return different icons or additional information using JFileChooser.setFileView(javax.swing.filechooser.FileView). JFileChooser first looks to see if there is a user defined FileView, if there is, it gets type information from there first. If FileView returns null for any method, JFileChooser then uses the L&F specific view to get the information. So, for example, if you provide a FileView class that returns an Icon for JPG files, and returns null icons for all other files, the UI's FileView will provide default icons for all other files. For an example implementation of a simple file filter, see yourJDK/demo/jfc/FileChooserDemo/ For more information, see the Swing Connection article on the File Chooser

See Also:

Constructor Summary
Method Summary
abstract  String getDescription(File f)
          A human readable description of the file.
abstract  Icon getIcon(File f)
          The icon that represents this file in the JFileChooser.
abstract  String getName(File f)
          The name of the file.
abstract  String getTypeDescription(File f)
          A human readable description of the type of the file.
abstract  Boolean isTraversable(File f)
          Whether the directory is traversable or not.
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail


public FileView()
Method Detail


public abstract String getName(File f)
The name of the file. Normally this would be simply f.getName()


public abstract String getDescription(File f)
A human readable description of the file. For example, a file named jag.jpg might have a description that read: "A JPEG image file of James Gosling's face"


public abstract String getTypeDescription(File f)
A human readable description of the type of the file. For example, a jpg file might have a type description of: "A JPEG Compressed Image File"


public abstract Icon getIcon(File f)
The icon that represents this file in the JFileChooser.


public abstract Boolean isTraversable(File f)
Whether the directory is traversable or not. This might be useful, for example, if you want a directory to represent a compound document and don't want the user to descend into it.

JavaTM 2 Platform
Standard Edition

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