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    41 

    42 #ifndef PatternistSDK_TreeModel_H

    43 #define PatternistSDK_TreeModel_H

    44 

    45 #include <QAbstractItemModel>

    46 #include <QObject>

    47 #include <QPointer>

    48 #include <QStringList>

    49 

    50 #include "Global.h"

    51 

    52 QT_BEGIN_HEADER

    53 

    54 QT_BEGIN_NAMESPACE

    55 

    56 namespace QPatternistSDK

    57 {

    58     class TreeItem;

    59 

    60     /**

    61      * @short TreeItem is a generic QAbstractItemModel tailored for

    62      * representing hierarchial data.

    63      *

    64      * TreeModel is an item model in Qt's model/view framework. Its

    65      * data consists of TreeItem instances.

    66      *

    67      * @see TreeItem

    68      * @ingroup PatternistSDK

    69      * @author Frans Englich <frans.englich@nokia.com>

    70      */

    71     class Q_PATTERNISTSDK_EXPORT TreeModel : public QAbstractItemModel

    72     {

    73         Q_OBJECT

    74     public:

    75         TreeModel(const QStringList columnData, QObject *parent);

    76         virtual ~TreeModel();

    77 

    78         virtual QVariant data(const QModelIndex &index, int role) const;

    79         virtual Qt::ItemFlags flags(const QModelIndex &index) const;

    80         virtual QVariant headerData(int section,

    81                                     Qt::Orientation orientation,

    82                                     int role = Qt::DisplayRole) const;

    83         virtual QModelIndex index(int row,

    84                                   int column,

    85                                   const QModelIndex &parent = QModelIndex()) const;

    86         virtual QModelIndex parent(const QModelIndex &index) const;

    87         virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;

    88         virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;

    89 

    90         TreeItem *root() const;

    91         /**

    92          * Sets @p root to the new root, and deletes the old.

    93          */

    94         void setRoot(TreeItem *root);

    95 

    96     protected Q_SLOTS:

    97         void childChanged(TreeItem *child);

    98 

    99     private:

   100         QPointer<TreeItem> m_root;

   101         const QStringList m_columnData;

   102     };

   103 }

   104 

   105 QT_END_NAMESPACE

   106 

   107 QT_END_HEADER

   108 

   109 #endif

   110 // vim: et:ts=4:sw=4:sts=4