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 #ifndef HBABSTRACTVIEWITEM_H

    26 #define HBABSTRACTVIEWITEM_H

    27 

    28 #include <hbwidget.h>

    29 #include <hbglobal.h>

    30 #include <hbnamespace.h>

    31 #include <hbeffect.h>

    32 

    33 QT_BEGIN_NAMESPACE

    34 class QModelIndex;

    35 QT_END_NAMESPACE

    36 

    37 class HbAbstractViewItemPrivate;

    38 class HbAbstractItemView;

    39 class HbStyleOptionAbstractViewItem;

    40 class HbStyleParameters;

    41 class HbFrameBackground;

    42 

    43 class HB_WIDGETS_EXPORT HbAbstractViewItem : public HbWidget

    44 {

    45     Q_OBJECT

    46 

    47     Q_PROPERTY(Hb::ModelItemType modelItemType READ modelItemType)

    48 

    49 public:

    50 

    51     enum StateKey

    52     { 

    53         FocusKey,

    54         CheckStateKey,

    55         UserKey = 100

    56     };

    57     

    58     explicit HbAbstractViewItem(QGraphicsItem *parent=0);

    59     virtual ~HbAbstractViewItem();

    60 

    61     enum { Type = Hb::ItemType_AbstractViewItem };

    62     int type() const;

    63 

    64     virtual HbAbstractViewItem *createItem() = 0;

    65     virtual void updateChildItems();

    66 

    67     QModelIndex modelIndex() const;

    68     virtual bool canSetModelIndex(const QModelIndex &index) const;

    69     virtual void setModelIndex(const QModelIndex &index);

    70 

    71     HbAbstractViewItem *prototype() const;

    72 

    73     HbAbstractItemView *itemView() const;

    74     void setItemView(HbAbstractItemView *itemView);

    75     

    76     bool isFocused() const;

    77     virtual void receivedFocus();

    78     virtual void lostFocus();

    79 

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

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

    82     virtual bool selectionAreaContains(const QPointF &scenePosition) const;

    83 

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

    85 

    86     void setCheckState(Qt::CheckState state);

    87     Qt::CheckState checkState() const;

    88 

    89     void setDefaultFrame(const HbFrameBackground &frame);

    90     HbFrameBackground defaultFrame() const;

    91 

    92     void setPressed(bool pressed, bool animate=true);

    93     bool isPressed() const;

    94 

    95     Hb::ModelItemType modelItemType() const;

    96 

    97 public slots:

    98     void updatePrimitives();

    99 

   100 protected:

   101 

   102     HbAbstractViewItem(const HbAbstractViewItem &source);

   103     HbAbstractViewItem &operator=(const HbAbstractViewItem &source);

   104 

   105     HbAbstractViewItem( HbAbstractViewItemPrivate &dd, QGraphicsItem *parent );

   106     void initStyleOption(HbStyleOptionAbstractViewItem *option) const;

   107     virtual void polish(HbStyleParameters& params);

   108 

   109     virtual bool event(QEvent *e);

   110 

   111     virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);

   112     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

   113     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

   114 

   115     virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

   116 

   117     virtual void pressStateChanged(bool value, bool animate);

   118 

   119 private:

   120     Q_DECLARE_PRIVATE_D( d_ptr, HbAbstractViewItem )

   121     Q_PRIVATE_SLOT(d_func(), void _q_animationFinished(const HbEffect::EffectStatus &status))

   122 };

   123 

   124 #endif /*HBABSTRACTVIEWITEM_H*/