net.sourceforge.rssowl.controller.dnd
Class NewsTabFolderDND

java.lang.Object
  net.sourceforge.rssowl.controller.dnd.NewsTabFolderDND

public class NewsTabFolderDND
extends java.lang.Object

This class impements basic Drag and Drop support to the CTabFolder. It allows the user to drag a tabitem that displays a newsfeed and drop it in a category of the favorites tree. On success RSSOwl will create a favorite out of the URL and title of the dragged tabitem. It is also possible to move the CTabItem to a different position in the Tabfolder by dropping it over another CTabItem.

Version:

1.2.4

Author:

Benjamin Pasero

Field Summary

private static int	operations Support drag and drop operations
(package private) FavoritesTreeDND	rssOwlFavoritesTreeDND
private DragSource	source
(package private) CTabFolder	tabFolder
private DropTarget	target
private static Transfer[]	types Array of transfer types

Constructor Summary

NewsTabFolderDND(CTabFolder tabFolder, FavoritesTreeDND rssOwlFavoritesTreeDND)
Instantiate a new NewsTabFolderDND

Method Summary

private void	createDragSource() Create the Drag Source on the tabfolder
private void	createDropTarget() Create the Drop Target on the tabfolder
void	dispose() Dispose the DragSource object
(package private) CTabItem	getValidDragSourceTabItem() Valid source items to drag from the tabfolder are tabs that display a newsfeed
private void	initDragAndDrop() Init Drag and Drop on the tree widget.
(package private) void	move(CTabItem from, CTabItem to) Move the given CTabItem to the new position.

Methods inherited from class java.lang.Object

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

Field Detail

operations

private static final int operations

Support drag and drop operations

types

private static final Transfer[] types

Array of transfer types

source

private DragSource source

target

private DropTarget target

rssOwlFavoritesTreeDND

FavoritesTreeDND rssOwlFavoritesTreeDND

tabFolder

CTabFolder tabFolder

Constructor Detail

NewsTabFolderDND

public NewsTabFolderDND(CTabFolder tabFolder,
                        FavoritesTreeDND rssOwlFavoritesTreeDND)

Instantiate a new NewsTabFolderDND

Parameters:

tabFolder - The CTabFolder to apply basic drag and drop support

rssOwlFavoritesTreeDND - A reference to the drag and drop class of the favorites tree. This is needed because the drop target will be the tree

Method Detail

dispose

public void dispose()

Dispose the DragSource object

createDragSource

private void createDragSource()

Create the Drag Source on the tabfolder

createDropTarget

private void createDropTarget()

Create the Drop Target on the tabfolder

initDragAndDrop

private void initDragAndDrop()

Init Drag and Drop on the tree widget. Note that the Drop target is created in the DND class of the favorites tree

getValidDragSourceTabItem

CTabItem getValidDragSourceTabItem()

Valid source items to drag from the tabfolder are tabs that display a newsfeed

Returns:

CTabItem The dragged tabitem or null if the tab is not valid to be dragged

move

void move(CTabItem from,
          CTabItem to)

Move the given CTabItem to the new position.

Parameters:

from - The CTabItem to move.

to - The new location of the CTabItem to move.