src/hbwidgets/itemviews/hbtreeviewitem.h
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     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