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29
30//
31// W A R N I N G
32// -------------
33//
34// This file is not part of the QtDataVisualization API. It exists purely as an
35// implementation detail. This header file may change from version to
36// version without notice, or even be removed.
37//
38// We mean it.
39
40#ifndef ABSTRACTITEMMODELHANDLER_P_H
41#define ABSTRACTITEMMODELHANDLER_P_H
42
43#include "datavisualizationglobal_p.h"
44#include <QtCore/QAbstractItemModel>
45#include <QtCore/QPointer>
46#include <QtCore/QTimer>
47
48QT_BEGIN_NAMESPACE_DATAVISUALIZATION
49
50class AbstractItemModelHandler : public QObject
51{
52 Q_OBJECT
53public:
54 AbstractItemModelHandler(QObject *parent = 0);
55 virtual ~AbstractItemModelHandler();
56
57 virtual void setItemModel(QAbstractItemModel *itemModel);
58 virtual QAbstractItemModel *itemModel() const;
59
60public Q_SLOTS:
61 virtual void handleColumnsInserted(const QModelIndex &parent, int start, int end);
62 virtual void handleColumnsMoved(const QModelIndex &sourceParent, int sourceStart,
63 int sourceEnd, const QModelIndex &destinationParent,
64 int destinationColumn);
65 virtual void handleColumnsRemoved(const QModelIndex &parent, int start, int end);
66 virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight,
67 const QVector<int> &roles = QVector<int> ());
68 virtual void handleLayoutChanged(const QList<QPersistentModelIndex> &parents = QList<QPersistentModelIndex>(),
69 QAbstractItemModel::LayoutChangeHint hint = QAbstractItemModel::NoLayoutChangeHint);
70 virtual void handleModelReset();
71 virtual void handleRowsInserted(const QModelIndex &parent, int start, int end);
72 virtual void handleRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd,
73 const QModelIndex &destinationParent, int destinationRow);
74 virtual void handleRowsRemoved(const QModelIndex &parent, int start, int end);
75
76 virtual void handleMappingChanged();
77 virtual void handlePendingResolve();
78
79Q_SIGNALS:
80 void itemModelChanged(const QAbstractItemModel *itemModel);
81
82protected:
83 virtual void resolveModel() = 0;
84
85 QPointer<QAbstractItemModel> m_itemModel; // Not owned
86 bool resolvePending;
87 QTimer m_resolveTimer;
88 bool m_fullReset;
89
90private:
91 Q_DISABLE_COPY(AbstractItemModelHandler)
92};
93
94QT_END_NAMESPACE_DATAVISUALIZATION
95
96#endif
97

source code of qtdatavis3d/src/datavisualization/data/abstractitemmodelhandler_p.h