feedlistview.h

/*
    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 <tdelistview.h>
#include <kurl.h>
 
namespace Akregator
{
class Feed;
class Folder;
class NodeList;
class TreeNode;
class TreeNodeItem;
class TagNodeList;
 
class NodeListView : public TDEListView
{
TQ_OBJECT
  
public:
    NodeListView( TQWidget *parent = 0, const char *name = 0 );
    virtual ~NodeListView();
    
    void setNodeList(NodeList* nodeList);

    Folder* rootNode();
    
    TreeNode* selectedNode();

    void setSelectedNode(TreeNode* node);
 
    TreeNode* findNodeByTitle(const TQString& title);

    void ensureNodeVisible(TreeNode* node);

    void startNodeRenaming(TreeNode* node);
    
    
    virtual void clear();

    void setShowTagFolders(bool enabled);
 
public slots:
    
    void slotItemUp();
    void slotItemDown();
    void slotItemBegin();
    void slotItemEnd();
    void slotItemLeft();
    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:

 
    TreeNodeItem* findNodeItem(TreeNode* node);

    virtual TreeNodeItem* findItemByTitle(const TQString& text, int column, ComparisonFlags compare = ExactMatch | CaseSensitive ) const;

    virtual void connectToNode(TreeNode* 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();

    virtual void slotNodeAdded(TreeNode* node);
    
    virtual void slotNodeRemoved(Folder* parent, TreeNode* node);
    
    virtual void slotNodeDestroyed(TreeNode* 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
{
    TQ_OBJECT
  
    public:
        TagNodeListView(TQWidget *parent = 0, const char *name = 0) {} 
        virtual ~TagNodeListView() {}
 
    private:
        class TagNodeListViewPrivate;
        TagNodeListViewPrivate* d;
};
 
} // namespace Akregator
 
#endif