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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of Qt for Python.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of The Qt Company Ltd nor the names of its
-** contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-/*
- model.cpp
-
- A simple model that uses a QStringList as its data source.
-*/
-
-#include <QtWidgets>
-
-#include "model.h"
-
-DragDropListModel::DragDropListModel(const QStringList &strings,
- QObject *parent)
- : QStringListModel(strings, parent)
-{
-}
-
-//! [0]
-bool DragDropListModel::dropMimeData(const QMimeData *data,
- Qt::DropAction action, int row, int column, const QModelIndex &parent)
-{
- if (action == Qt::IgnoreAction)
- return true;
-
- if (!data->hasFormat("application/vnd.text.list"))
- return false;
-
- if (column > 0)
-//! [0] //! [1]
- return false;
-//! [1]
-
-//! [2]
- int beginRow;
-
- if (row != -1)
- beginRow = row;
-//! [2] //! [3]
- else if (parent.isValid())
- beginRow = parent.row();
-//! [3] //! [4]
- else
- beginRow = rowCount(QModelIndex());
-//! [4]
-
-//! [5]
- QByteArray encodedData = data->data("application/vnd.text.list");
- QDataStream stream(&encodedData, QIODevice::ReadOnly);
- QStringList newItems;
- int rows = 0;
-
- while (!stream.atEnd()) {
- QString text;
- stream >> text;
- newItems << text;
- ++rows;
- }
-//! [5]
-
-//! [6]
- insertRows(beginRow, rows, QModelIndex());
- foreach (QString text, newItems) {
- QModelIndex idx = index(beginRow, 0, QModelIndex());
- setData(idx, text);
- beginRow++;
- }
-
- return true;
-}
-//! [6]
-
-//! [7]
-Qt::ItemFlags DragDropListModel::flags(const QModelIndex &index) const
-{
- Qt::ItemFlags defaultFlags = QStringListModel::flags(index);
-
- if (index.isValid())
- return Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled | defaultFlags;
- else
- return Qt::ItemIsDropEnabled | defaultFlags;
-}
-//! [7]
-
-//! [8]
-def mimeData(self, indexes):
- mimeData = QMimeData()
- encodedData = QByteArray()
- stream = QDataStream(encodedData, QIODevice.WriteOnly)
-
- for index in indexes:
- if index.isValid():
- stream << data(index, Qt.DisplayRole)
-
- mimeData.setData("application/vnd.text.list", encodedData)
- return mimeData;
-//! [8]
-
-//! [9]
-QStringList DragDropListModel::mimeTypes() const
-{
- QStringList types;
- types << "application/vnd.text.list";
- return types;
-}
-//! [9]
-
-//! [10]
-Qt::DropActions DragDropListModel::supportedDropActions() const
-{
- return Qt::CopyAction | Qt::MoveAction;
-}
-//! [10]