From 6963efb396f7f206afb2f3f9655f26b0c21b6a05 Mon Sep 17 00:00:00 2001 From: Luca Beldi Date: Mon, 5 Nov 2018 12:17:31 +0000 Subject: New proxy model: QTransposeProxyModel Implemented a new proxy model to transpose the source model. Rows will become columns and vice-versa. Both flat and tree models supported. [ChangeLog][QtCore] New class QTransposeProxyModel to swap rows and columns of the source model. Change-Id: I902963c6b81aa0f63b5ad2bddca538f28b565084 Reviewed-by: David Faure --- src/corelib/itemmodels/qtransposeproxymodel.h | 83 +++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/corelib/itemmodels/qtransposeproxymodel.h (limited to 'src/corelib/itemmodels/qtransposeproxymodel.h') diff --git a/src/corelib/itemmodels/qtransposeproxymodel.h b/src/corelib/itemmodels/qtransposeproxymodel.h new file mode 100644 index 0000000000..879266d931 --- /dev/null +++ b/src/corelib/itemmodels/qtransposeproxymodel.h @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2018 Luca Beldi +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or 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.GPL2 and 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-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTRANSPOSEPROXYMODEL_H +#define QTRANSPOSEPROXYMODEL_H + +#include +#include + +QT_BEGIN_NAMESPACE + +class QTransposeProxyModelPrivate; + +class Q_CORE_EXPORT QTransposeProxyModel : public QAbstractProxyModel +{ + Q_OBJECT + Q_DISABLE_COPY(QTransposeProxyModel) + Q_DECLARE_PRIVATE(QTransposeProxyModel) +public: + explicit QTransposeProxyModel(QObject* parent = nullptr); + ~QTransposeProxyModel(); + void setSourceModel(QAbstractItemModel* newSourceModel) override; + int rowCount(const QModelIndex &parent = QModelIndex()) const override; + int columnCount(const QModelIndex &parent = QModelIndex()) const override; + QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override; + bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole) override; + bool setItemData(const QModelIndex &index, const QMap &roles) override; + QSize span(const QModelIndex &index) const override; + QMap itemData(const QModelIndex &index) const override; + QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override; + QModelIndex mapToSource(const QModelIndex &proxyIndex) const override; + QModelIndex parent(const QModelIndex &index) const override; + QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override; + bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex()) override; + bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()) override; + bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild) override; + bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override; + bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override; + bool moveColumns(const QModelIndex &sourceParent, int sourceColumn, int count, const QModelIndex &destinationParent, int destinationChild) override; + void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override; +protected: + QTransposeProxyModel(QTransposeProxyModelPrivate &, QObject *parent); +}; + +QT_END_NAMESPACE + +#endif // QTRANSPOSEPROXYMODEL_H -- cgit v1.2.3