| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the QtDataVisualization 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 "datavisualizationglobal_p.h" |
| #include <QtCore/QAbstractItemModel> |
| #include <QtCore/QPointer> |
| #include <QtCore/QTimer> |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class AbstractItemModelHandler : public QObject |
| { |
| Q_OBJECT |
| public: |
| AbstractItemModelHandler(QObject *parent = 0); |
| virtual ~AbstractItemModelHandler(); |
| |
| virtual void setItemModel(QAbstractItemModel *itemModel); |
| virtual QAbstractItemModel *itemModel() const; |
| |
| public Q_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(); |
| |
| Q_SIGNALS: |
| void itemModelChanged(const QAbstractItemModel *itemModel); |
| |
| protected: |
| virtual void resolveModel() = 0; |
| |
| QPointer<QAbstractItemModel> m_itemModel; // Not owned |
| bool resolvePending; |
| QTimer m_resolveTimer; |
| bool m_fullReset; |
| |
| private: |
| Q_DISABLE_COPY(AbstractItemModelHandler) |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |