diff options
Diffstat (limited to 'src/corelib/itemmodels/qabstractitemmodel.cpp')
-rw-r--r-- | src/corelib/itemmodels/qabstractitemmodel.cpp | 89 |
1 files changed, 63 insertions, 26 deletions
diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp index 90297b9115..02b1e1c306 100644 --- a/src/corelib/itemmodels/qabstractitemmodel.cpp +++ b/src/corelib/itemmodels/qabstractitemmodel.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** 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 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** 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. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** 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. ** ** $QT_END_LICENSE$ ** @@ -480,6 +486,13 @@ public: Q_GLOBAL_STATIC(QEmptyItemModel, qEmptyModel) +QAbstractItemModelPrivate::QAbstractItemModelPrivate() + : QObjectPrivate(), + supportedDragActions(-1), + roleNames(defaultRoleNames()) +{ +} + QAbstractItemModelPrivate::~QAbstractItemModelPrivate() { } @@ -489,6 +502,30 @@ QAbstractItemModel *QAbstractItemModelPrivate::staticEmptyModel() return qEmptyModel(); } +void QAbstractItemModelPrivate::invalidatePersistentIndexes() +{ + for (QPersistentModelIndexData *data : qAsConst(persistent.indexes)) { + data->index = QModelIndex(); + data->model = 0; + } + persistent.indexes.clear(); +} + +/*! + \internal + Clean the QPersistentModelIndex relative to the index if there is one. + To be used before an index is invalided +*/ +void QAbstractItemModelPrivate::invalidatePersistentIndex(const QModelIndex &index) { + const auto it = persistent.indexes.constFind(index); + if (it != persistent.indexes.cend()) { + QPersistentModelIndexData *data = *it; + persistent.indexes.erase(it); + data->index = QModelIndex(); + data->model = 0; + } +} + namespace { struct DefaultRoleNames : public QHash<int, QByteArray> { @@ -607,7 +644,7 @@ void QAbstractItemModelPrivate::rowsInserted(const QModelIndex &parent, it != persistent_moved.constEnd(); ++it) { QPersistentModelIndexData *data = *it; QModelIndex old = data->index; - persistent.indexes.erase(persistent.indexes.find(old)); + persistent.indexes.erase(persistent.indexes.constFind(old)); data->index = q_func()->index(old.row() + count, old.column(), parent); if (data->index.isValid()) { persistent.insertMultiAtEnd(data->index, data); @@ -700,7 +737,7 @@ void QAbstractItemModelPrivate::movePersistentIndexes(const QVector<QPersistentM else column += change; - persistent.indexes.erase(persistent.indexes.find(data->index)); + persistent.indexes.erase(persistent.indexes.constFind(data->index)); data->index = q_func()->index(row, column, parent); if (data->index.isValid()) { persistent.insertMultiAtEnd(data->index, data); @@ -767,7 +804,7 @@ void QAbstractItemModelPrivate::rowsRemoved(const QModelIndex &parent, it != persistent_moved.constEnd(); ++it) { QPersistentModelIndexData *data = *it; QModelIndex old = data->index; - persistent.indexes.erase(persistent.indexes.find(old)); + persistent.indexes.erase(persistent.indexes.constFind(old)); data->index = q_func()->index(old.row() - count, old.column(), parent); if (data->index.isValid()) { persistent.insertMultiAtEnd(data->index, data); @@ -779,7 +816,7 @@ void QAbstractItemModelPrivate::rowsRemoved(const QModelIndex &parent, for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_invalidated.constBegin(); it != persistent_invalidated.constEnd(); ++it) { QPersistentModelIndexData *data = *it; - persistent.indexes.erase(persistent.indexes.find(data->index)); + persistent.indexes.erase(persistent.indexes.constFind(data->index)); data->index = QModelIndex(); data->model = 0; } @@ -812,7 +849,7 @@ void QAbstractItemModelPrivate::columnsInserted(const QModelIndex &parent, it != persistent_moved.constEnd(); ++it) { QPersistentModelIndexData *data = *it; QModelIndex old = data->index; - persistent.indexes.erase(persistent.indexes.find(old)); + persistent.indexes.erase(persistent.indexes.constFind(old)); data->index = q_func()->index(old.row(), old.column() + count, parent); if (data->index.isValid()) { persistent.insertMultiAtEnd(data->index, data); @@ -862,7 +899,7 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent, it != persistent_moved.constEnd(); ++it) { QPersistentModelIndexData *data = *it; QModelIndex old = data->index; - persistent.indexes.erase(persistent.indexes.find(old)); + persistent.indexes.erase(persistent.indexes.constFind(old)); data->index = q_func()->index(old.row(), old.column() - count, parent); if (data->index.isValid()) { persistent.insertMultiAtEnd(data->index, data); @@ -874,7 +911,7 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent, for (QVector<QPersistentModelIndexData *>::const_iterator it = persistent_invalidated.constBegin(); it != persistent_invalidated.constEnd(); ++it) { QPersistentModelIndexData *data = *it; - persistent.indexes.erase(persistent.indexes.find(data->index)); + persistent.indexes.erase(persistent.indexes.constFind(data->index)); data->index = QModelIndex(); data->model = 0; } @@ -1808,7 +1845,7 @@ bool QAbstractItemModel::setItemData(const QModelIndex &index, const QMap<int, Q QStringList QAbstractItemModel::mimeTypes() const { QStringList types; - types << QLatin1String("application/x-qabstractitemmodeldatalist"); + types << QStringLiteral("application/x-qabstractitemmodeldatalist"); return types; } @@ -3160,8 +3197,8 @@ void QAbstractItemModel::changePersistentIndex(const QModelIndex &from, const QM if (d->persistent.indexes.isEmpty()) return; // find the data and reinsert it sorted - const QHash<QModelIndex, QPersistentModelIndexData *>::iterator it = d->persistent.indexes.find(from); - if (it != d->persistent.indexes.end()) { + const auto it = d->persistent.indexes.constFind(from); + if (it != d->persistent.indexes.cend()) { QPersistentModelIndexData *data = *it; d->persistent.indexes.erase(it); data->index = to; @@ -3194,8 +3231,8 @@ void QAbstractItemModel::changePersistentIndexList(const QModelIndexList &from, for (int i = 0; i < from.count(); ++i) { if (from.at(i) == to.at(i)) continue; - const QHash<QModelIndex, QPersistentModelIndexData *>::iterator it = d->persistent.indexes.find(from.at(i)); - if (it != d->persistent.indexes.end()) { + const auto it = d->persistent.indexes.constFind(from.at(i)); + if (it != d->persistent.indexes.cend()) { QPersistentModelIndexData *data = *it; d->persistent.indexes.erase(it); data->index = to.at(i); |