diff options
author | Stephen Kelly <steveire@gmail.com> | 2009-12-18 13:17:44 (GMT) |
---|---|---|
committer | Olivier Goffart <ogoffart@trolltech.com> | 2009-12-18 13:37:05 (GMT) |
commit | 315c09c3873f7c5d8b785443372bf975bae47ee7 (patch) | |
tree | 77fcbe5a16ec41b87192c7f1beb601f5abd50d0c /tests/auto/modeltest/dynamictreemodel.h | |
parent | 1aa7d5922930c4195bc8747a19524a7e5021c4e6 (diff) | |
download | Qt-315c09c3873f7c5d8b785443372bf975bae47ee7.zip Qt-315c09c3873f7c5d8b785443372bf975bae47ee7.tar.gz Qt-315c09c3873f7c5d8b785443372bf975bae47ee7.tar.bz2 |
Make sure mappings are created for columns when indexes newly become parents.
Also move the modeltest related tests to the modeltest subdirectory
Merge-request: 2262
Reviewed-by: Olivier Goffart <ogoffart@trolltech.com>
Diffstat (limited to 'tests/auto/modeltest/dynamictreemodel.h')
-rw-r--r-- | tests/auto/modeltest/dynamictreemodel.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/tests/auto/modeltest/dynamictreemodel.h b/tests/auto/modeltest/dynamictreemodel.h new file mode 100644 index 0000000..3f0d90d --- /dev/null +++ b/tests/auto/modeltest/dynamictreemodel.h @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Stephen Kelly <steveire@gmail.com> +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DYNAMICTREEMODEL_H +#define DYNAMICTREEMODEL_H + +#include <QtCore/QAbstractItemModel> + +#include <QtCore/QHash> +#include <QtCore/QList> + + +template<typename T> class 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; + +}; + + +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(); + +}; + + +#endif |