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Diffstat (limited to 'src/datavis3d/data/abstractitemmodelhandler_p.h')
-rw-r--r-- | src/datavis3d/data/abstractitemmodelhandler_p.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/datavis3d/data/abstractitemmodelhandler_p.h b/src/datavis3d/data/abstractitemmodelhandler_p.h new file mode 100644 index 00000000..aa49faeb --- /dev/null +++ b/src/datavis3d/data/abstractitemmodelhandler_p.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVis3D module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVis3D API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef ABSTRACTITEMMODELHANDLER_P_H +#define ABSTRACTITEMMODELHANDLER_P_H + +#include "datavis3dglobal_p.h" +#include <QAbstractItemModel> +#include <QPointer> +#include <QTimer> + +QT_DATAVIS3D_BEGIN_NAMESPACE + +class QAbstractDataMapping; + +class AbstractItemModelHandler : public QObject +{ + Q_OBJECT +public: + AbstractItemModelHandler(QObject *parent = 0); + virtual ~AbstractItemModelHandler(); + + virtual void setItemModel(const QAbstractItemModel *itemModel); + virtual const QAbstractItemModel *itemModel() const; + virtual void setActiveMapping(QAbstractDataMapping *mapping); + virtual QAbstractDataMapping *activeMapping() const; + virtual void addMapping(QAbstractDataMapping *mapping); + virtual void releaseMapping(QAbstractDataMapping *mapping); + virtual QList<QAbstractDataMapping *> mappings() const; + +public slots: + virtual void handleColumnsInserted(const QModelIndex &parent, int start, int end); + virtual void handleColumnsMoved(const QModelIndex &sourceParent, int sourceStart, + int sourceEnd, const QModelIndex &destinationParent, + int destinationColumn); + virtual void handleColumnsRemoved(const QModelIndex &parent, int start, int end); + virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, + const QVector<int> &roles = QVector<int> ()); + virtual void handleLayoutChanged(const QList<QPersistentModelIndex> &parents = QList<QPersistentModelIndex>(), + QAbstractItemModel::LayoutChangeHint hint = QAbstractItemModel::NoLayoutChangeHint); + virtual void handleModelReset(); + virtual void handleRowsInserted(const QModelIndex &parent, int start, int end); + virtual void handleRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, + const QModelIndex &destinationParent, int destinationRow); + virtual void handleRowsRemoved(const QModelIndex &parent, int start, int end); + + virtual void handleMappingChanged(); + virtual void handlePendingResolve(); + +protected: + virtual void resolveModel() = 0; + + QPointer<const QAbstractItemModel> m_itemModel; // Not owned + QAbstractDataMapping *m_activeMapping; + bool resolvePending; + QTimer m_resolveTimer; + QList<QAbstractDataMapping *> m_mappings; + +private: + Q_DISABLE_COPY(AbstractItemModelHandler) +}; + +QT_DATAVIS3D_END_NAMESPACE + +#endif |