com.mucommander.ui.main.tree
Class DirectoryCache

java.lang.Object
  com.mucommander.ui.main.tree.DirectoryCache

public class DirectoryCache
extends java.lang.Object

This class holds cached directories. It maps AbstractFiles to DirectoryCache instances.

Author:

Mariusz Jakubowski

Field Summary

protected javax.swing.event.EventListenerList

listenerList Listeners.

Constructor Summary

DirectoryCache(FileFilter filter, FileComparator sort)
Creates a new directory cache.

Method Summary

void	addCachedDirectoryListener(CachedDirectoryListener l)
void	clear()
void	fireChildrenCached(CachedDirectory cachedDirectory, boolean readingChildren) Fires a cachingStarted or cachingEnded event on all listeners.
CachedDirectory	get(AbstractFile key)
FileFilter	getFilter() Returns current filter.
CachedDirectory	getOrAdd(AbstractFile key) Gets a cached instance of a file.
FileComparator	getSort() Returns current sort order.
void	put(AbstractFile key, CachedDirectory value)
void	removeCachedDirectoryListener(CachedDirectoryListener l)
void	removeWithChildren(AbstractFile key) Deletes entry and all children from the cache.

Methods inherited from class java.lang.Object

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

Field Detail

listenerList

protected javax.swing.event.EventListenerList listenerList

Listeners.

Constructor Detail

DirectoryCache

public DirectoryCache(FileFilter filter,
                      FileComparator sort)

Creates a new directory cache.

Parameters:

filter - filter used to filter children directories.

sort - a comparator used to sort children

Method Detail

getSort

public FileComparator getSort()

Returns current sort order.

getFilter

public FileFilter getFilter()

Returns current filter.

fireChildrenCached

public void fireChildrenCached(CachedDirectory cachedDirectory,
                               boolean readingChildren)

Fires a cachingStarted or cachingEnded event on all listeners.

Parameters:

cachedDirectory - a directory those children has been cached

readingChildren -

addCachedDirectoryListener

public void addCachedDirectoryListener(CachedDirectoryListener l)

removeCachedDirectoryListener

public void removeCachedDirectoryListener(CachedDirectoryListener l)

clear

public void clear()

get

public CachedDirectory get(AbstractFile key)

put

public void put(AbstractFile key,
                CachedDirectory value)

removeWithChildren

public void removeWithChildren(AbstractFile key)

Deletes entry and all children from the cache.

Parameters:

folder -

getOrAdd

public CachedDirectory getOrAdd(AbstractFile key)

Gets a cached instance of a file. If the cached instance of the file doesn't exists it's added to the cache.

Parameters:

key - an AbstractFile instance

Returns:

a cached file instance