com.alee.utils.file

Interface FileThumbnailProvider

All Superinterfaces:

java.io.FileFilter, com.alee.utils.compare.Filter<java.io.File>

All Known Implementing Classes:

AbstractThumbnailProvider

public interface FileThumbnailProvider
extends com.alee.utils.compare.Filter<java.io.File>, java.io.FileFilter

Base interface for custom thumbnail providers.

Method Summary

Modifier and Type	Method and Description
boolean	accept(java.io.File file) Returns whether or not this provider can generate thumbnail for the specified file.
javax.swing.ImageIcon	provide(java.io.File file, java.awt.Dimension size, boolean preview) Returns custom file thumbnail icon.

Method Detail

accept

boolean accept(java.io.File file)

Returns whether or not this provider can generate thumbnail for the specified file.

Specified by:

accept in interface java.io.FileFilter

Specified by:

accept in interface com.alee.utils.compare.Filter<java.io.File>

Parameters:

file - file to provide thumbnail for

Returns:

true if this provider can generate thumbnail for the specified file, false otherwise

provide

javax.swing.ImageIcon provide(java.io.File file,
                              java.awt.Dimension size,
                              boolean preview)

Returns custom file thumbnail icon. Preferred size represents area available for the icon, though you are free to provide an icon with different size. It will then be automatically rescaled down if too large or kept in the middle of the available area if it is too small.

Parameters:

file - file to provide thumbnail for

size - preferred thumbnail size

preview - whether thumbnail should be a small preview of file content or not

Returns:

custom file thumbnail