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/*
This file is part of Akregator.
Copyright (C) 2004 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#ifndef AKREGATORFEEDLISTVIEW_H
#define AKREGATORFEEDLISTVIEW_H
#include <klistview.h>
#include <kurl.h>
namespace Akregator
{
class Feed;
class Folder;
class NodeList;
class TreeNode;
class TreeNodeItem;
class TagNodeList;
class NodeListView : public TDEListView
{
Q_OBJECT
public:
NodeListView( TQWidget *parent = 0, const char *name = 0 );
virtual ~NodeListView();
/** sets the feed list to show. Disconnects from the old feed list, if there is any. */
void setNodeList(NodeList* nodeList);
/** Returns root node ("All Feeds").
* @return root node
*/
Folder* rootNode();
/** Returns the currently selected node, @c null when no one is selected.
@return selected node
*/
TreeNode* selectedNode();
/** selects @c node, if it exists
* @param node the node to select
*/
void setSelectedNode(TreeNode* node);
/** Find first node with title @c title
returns 0 if no node was found
@param title
@return node
*/
TreeNode* findNodeByTitle(const TQString& title);
/** ensures that @c node is visible. */
void ensureNodeVisible(TreeNode* node);
/** activates in-place renaming for the item of @c node */
void startNodeRenaming(TreeNode* node);
/** reimplemented: clears the view and creates the root node ("All Feeds") */
virtual void clear();
/** if enabled, the view shows tag folders */
void setShowTagFolders(bool enabled);
public slots:
/** go one item up */
void slotItemUp();
/** go one item down */
void slotItemDown();
/** select the first item in the list */
void slotItemBegin();
/** select last item in the list */
void slotItemEnd();
/** go to parent item */
void slotItemLeft();
/** go to first child */
void slotItemRight();
void slotPrevFeed();
void slotNextFeed();
void slotPrevUnreadFeed();
void slotNextUnreadFeed();
signals:
void signalDropped (KURL::List &, TreeNode*, Folder*);
void signalNodeSelected(TreeNode*);
void signalRootNodeChanged(NodeListView*, TreeNode*);
void signalContextMenu(TDEListView*, TreeNode*, const TQPoint&);
public: // compat with KDE-3.x assertions, remove for KDE 4
// protected:
/** Find item belonging to tree node @c node, @c null when node is not in tree
@return item representing node
@param node a tree node */
TreeNodeItem* findNodeItem(TreeNode* node);
/** reimplemented to return TreeNodeItem* */
virtual TreeNodeItem* findItemByTitle(const TQString& text, int column, ComparisonFlags compare = ExactMatch | CaseSensitive ) const;
/** observe @c node: connect status change signals of @c node to slots */
virtual void connectToNode(TreeNode* node);
/** stop observing @c node: disconnect from status change signals of @c node */
virtual void disconnectFromNode(TreeNode* node);
virtual void connectToNodeList(NodeList* list);
virtual void disconnectFromNodeList(NodeList* list);
virtual void drawContentsOffset( TQPainter * p, int ox, int oy,
int cx, int cy, int cw, int ch );
virtual void contentsDragMoveEvent(TQDragMoveEvent* event);
virtual bool acceptDrag(TQDropEvent *event) const;
virtual void movableDropEvent(TQListViewItem* parent, TQListViewItem* afterme);
virtual TQDragObject *dragObject();
protected slots:
void slotDropped(TQDropEvent *e, TQListViewItem* after);
void slotRootNodeChanged(TreeNode*);
virtual void slotSelectionChanged(TQListViewItem* item);
virtual void slotContextMenu(TDEListView* list, TQListViewItem* item, const TQPoint& p);
virtual void slotItemRenamed(TQListViewItem* item, int col, const TQString& text);
virtual void slotFeedFetchStarted(Feed* feed);
virtual void slotFeedFetchAborted(Feed* feed);
virtual void slotFeedFetchError(Feed* feed);
virtual void slotFeedFetchCompleted(Feed* feed);
void openFolder();
/** called when a node is added to the tree. If no item for the node exists, it will be created */
virtual void slotNodeAdded(TreeNode* node);
/** Called when a node in the tree is taken out of the tree (parent->removeChild())
Removes a node and its children from the tree. Note that it doesn't delete the corresponding view items (get deleted only when the node itself gets deleted) */
virtual void slotNodeRemoved(Folder* parent, TreeNode* node);
/** deletes the item belonging to the deleted node */
virtual void slotNodeDestroyed(TreeNode* node);
/** update the item belonging to the node */
virtual void slotNodeChanged(TreeNode* node);
virtual void slotNodeListDestroyed(NodeList*);
public: // compat with KDE-3.x assertions, remove for KDE 4
// private:
friend class ConnectNodeVisitor;
class ConnectNodeVisitor;
friend class DisconnectNodeVisitor;
class DisconnectNodeVisitor;
friend class CreateItemVisitor;
class CreateItemVisitor;
friend class DeleteItemVisitor;
class DeleteItemVisitor;
friend class DragAndDropVisitor;
class DragAndDropVisitor;
class NodeListViewPrivate;
NodeListViewPrivate* d;
};
class TagNodeListView : public NodeListView
{
Q_OBJECT
public:
TagNodeListView(TQWidget *parent = 0, const char *name = 0) {}
virtual ~TagNodeListView() {}
private:
class TagNodeListViewPrivate;
TagNodeListViewPrivate* d;
};
} // namespace Akregator
#endif
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