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Diffstat (limited to 'tests/auto/other/qabstractitemmodelutils/dynamictreemodel.h')
| -rw-r--r-- | tests/auto/other/qabstractitemmodelutils/dynamictreemodel.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/tests/auto/other/qabstractitemmodelutils/dynamictreemodel.h b/tests/auto/other/qabstractitemmodelutils/dynamictreemodel.h new file mode 100644 index 0000000000..709751dd27 --- /dev/null +++ b/tests/auto/other/qabstractitemmodelutils/dynamictreemodel.h @@ -0,0 +1,229 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Stephen Kelly <steveire@gmail.com> +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DYNAMICTREEMODEL_H +#define DYNAMICTREEMODEL_H + +#include <QtCore/QAbstractItemModel> + +#include <QtCore/QHash> +#include <QtCore/QList> + +class DynamicTreeModel : public QAbstractItemModel +{ + Q_OBJECT + +public: + DynamicTreeModel(QObject *parent = 0); + + QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const; + QModelIndex parent(const QModelIndex &index) const; + int rowCount(const QModelIndex &index = QModelIndex()) const; + int columnCount(const QModelIndex &index = QModelIndex()) const; + + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + + void clear(); + +protected slots: + + /** + Finds the parent id of the string with id @p searchId. + + Returns -1 if not found. + */ + qint64 findParentId(qint64 searchId) const; + +private: + QHash<qint64, QString> m_items; + QHash<qint64, QList<QList<qint64> > > m_childItems; + qint64 nextId; + qint64 newId() + { + return nextId++; + } + + QModelIndex m_nextParentIndex; + int m_nextRow; + + int m_depth; + int maxDepth; + + friend class ModelInsertCommand; + friend class ModelMoveCommand; + friend class ModelResetCommand; + friend class ModelResetCommandFixed; + friend class ModelChangeChildrenLayoutsCommand; +}; + +class ModelChangeCommand : public QObject +{ + Q_OBJECT +public: + + ModelChangeCommand(DynamicTreeModel *model, QObject *parent = 0); + + virtual ~ModelChangeCommand() + { + } + + void setAncestorRowNumbers(QList<int> rowNumbers) + { + m_rowNumbers = rowNumbers; + } + + QModelIndex findIndex(QList<int> rows); + + void setStartRow(int row) + { + m_startRow = row; + } + + void setEndRow(int row) + { + m_endRow = row; + } + + void setNumCols(int cols) + { + m_numCols = cols; + } + + virtual void doCommand() = 0; + +protected: + DynamicTreeModel *m_model; + QList<int> m_rowNumbers; + int m_numCols; + int m_startRow; + int m_endRow; +}; + +typedef QList<ModelChangeCommand *> ModelChangeCommandList; + +class ModelInsertCommand : public ModelChangeCommand +{ + Q_OBJECT + +public: + + ModelInsertCommand(DynamicTreeModel *model, QObject *parent = 0); + virtual ~ModelInsertCommand() + { + } + + virtual void doCommand(); +}; + +class ModelMoveCommand : public ModelChangeCommand +{ + Q_OBJECT +public: + ModelMoveCommand(DynamicTreeModel *model, QObject *parent); + + virtual ~ModelMoveCommand() + { + } + + virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, + const QModelIndex &destParent, int destRow); + + virtual void doCommand(); + + virtual void emitPostSignal(); + + void setDestAncestors(QList<int> rows) + { + m_destRowNumbers = rows; + } + + void setDestRow(int row) + { + m_destRow = row; + } + +protected: + QList<int> m_destRowNumbers; + int m_destRow; +}; + +/** + A command which does a move and emits a reset signal. +*/ +class ModelResetCommand : public ModelMoveCommand +{ + Q_OBJECT +public: + ModelResetCommand(DynamicTreeModel *model, QObject *parent = 0); + + virtual ~ModelResetCommand(); + + virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, + const QModelIndex &destParent, int destRow); + virtual void emitPostSignal(); +}; + +/** + A command which does a move and emits a beginResetModel and endResetModel signals. +*/ +class ModelResetCommandFixed : public ModelMoveCommand +{ + Q_OBJECT +public: + ModelResetCommandFixed(DynamicTreeModel *model, QObject *parent = 0); + + virtual ~ModelResetCommandFixed(); + + virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, + const QModelIndex &destParent, int destRow); + virtual void emitPostSignal(); +}; + +class ModelChangeChildrenLayoutsCommand : public ModelChangeCommand +{ + Q_OBJECT +public: + ModelChangeChildrenLayoutsCommand(DynamicTreeModel *model, QObject *parent); + + virtual ~ModelChangeChildrenLayoutsCommand() + { + } + + virtual void doCommand(); + + void setSecondAncestorRowNumbers(QList<int> rows) + { + m_secondRowNumbers = rows; + } + +protected: + QList<int> m_secondRowNumbers; + int m_destRow; +}; + +#endif |