1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbWidgets module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 

    26 #ifndef HBTREEVIEWITEM_H

    27 #define HBTREEVIEWITEM_H

    28 

    29 #include <hblistviewitem.h>

    30 #include <hbglobal.h>

    31 #include <hbnamespace.h>

    32 #include <hbstyle.h>

    33 

    34 class HbTreeViewItemPrivate;

    35 class HbStyleOptionTreeViewItem;

    36 

    37 QT_BEGIN_NAMESPACE

    38 class QPointF;

    39 class QGraphicsItem;

    40 QT_END_NAMESPACE

    41 

    42 class HB_WIDGETS_EXPORT HbTreeViewItem : public HbListViewItem

    43 {

    44     Q_OBJECT

    45 

    46     Q_PROPERTY(bool expanded READ isExpanded WRITE setExpanded)

    47 

    48 public:

    49 

    50     enum StateKey

    51     { 

    52         ExpansionKey = 10

    53     };

    54 

    55     explicit HbTreeViewItem(QGraphicsItem *parent=0);

    56     virtual ~HbTreeViewItem();

    57 

    58     enum { Type = Hb::ItemType_TreeViewItem };

    59     virtual int type() const;

    60 

    61     virtual HbAbstractViewItem *createItem();

    62 

    63     virtual void updateChildItems();

    64 

    65     virtual QMap<int,QVariant> state() const;

    66     virtual void setState(const QMap<int,QVariant> &state);

    67 

    68     void setExpanded(bool expanded);

    69     bool isExpanded() const;

    70 

    71     virtual QGraphicsItem *primitive(HbStyle::Primitive primitive) const;

    72 

    73 public slots:

    74     void updatePrimitives();

    75 

    76 protected:

    77 

    78     HbTreeViewItem(const HbTreeViewItem &source);

    79     HbTreeViewItem &operator=(const HbTreeViewItem &source);

    80 

    81     HbTreeViewItem(HbTreeViewItemPrivate &dd, QGraphicsItem * parent);

    82 

    83     void initStyleOption(HbStyleOptionTreeViewItem *option) const;

    84 

    85 private:

    86 

    87     Q_DECLARE_PRIVATE_D(d_ptr, HbTreeViewItem)

    88 };

    89 

    90 #endif // HBTREEVIEWITEM_H