/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "undocommands_p.h"
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#include <QtCore/QModelIndex>
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namespace SharedTools {
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ViewCommand::ViewCommand(ResourceView *view)
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: m_view(view)
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{ }
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ViewCommand::~ViewCommand()
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{ }
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ModelIndexViewCommand::ModelIndexViewCommand(ResourceView *view)
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: ViewCommand(view)
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{ }
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ModelIndexViewCommand::~ModelIndexViewCommand()
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{ }
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void ModelIndexViewCommand::storeIndex(const QModelIndex &index)
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{
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if (m_view->isPrefix(index)) {
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m_prefixArrayIndex = index.row();
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m_fileArrayIndex = -1;
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} else {
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m_fileArrayIndex = index.row();
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m_prefixArrayIndex = m_view->model()->parent(index).row();
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}
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}
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QModelIndex ModelIndexViewCommand::makeIndex() const
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{
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const QModelIndex prefixModelIndex
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= m_view->model()->index(m_prefixArrayIndex, 0, QModelIndex());
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if (m_fileArrayIndex != -1) {
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// File node
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const QModelIndex fileModelIndex
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= m_view->model()->index(m_fileArrayIndex, 0, prefixModelIndex);
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return fileModelIndex;
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} else {
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// Prefix node
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return prefixModelIndex;
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}
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}
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ModifyPropertyCommand::ModifyPropertyCommand(ResourceView *view, const QModelIndex &nodeIndex,
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ResourceView::NodeProperty property, const int mergeId, const QString &before,
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const QString &after)
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: ModelIndexViewCommand(view), m_property(property), m_before(before), m_after(after),
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m_mergeId(mergeId)
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{
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storeIndex(nodeIndex);
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}
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bool ModifyPropertyCommand::mergeWith(const QUndoCommand * command)
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{
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if (command->id() != id() || m_property != static_cast<const ModifyPropertyCommand *>(command)->m_property)
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return false;
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// Choose older command (this) and forgot the other
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return true;
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}
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void ModifyPropertyCommand::undo()
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{
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Q_ASSERT(m_view);
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// Save current text in m_after for redo()
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m_after = m_view->getCurrentValue(m_property);
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// Reset text to m_before
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m_view->changeValue(makeIndex(), m_property, m_before);
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}
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void ModifyPropertyCommand::redo()
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{
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// Prevent execution from within QUndoStack::push
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if (m_after.isNull())
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return;
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// Bring back text before undo
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Q_ASSERT(m_view);
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m_view->changeValue(makeIndex(), m_property, m_after);
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}
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RemoveEntryCommand::RemoveEntryCommand(ResourceView *view, const QModelIndex &index)
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: ModelIndexViewCommand(view), m_entry(0), m_isExpanded(true)
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{
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storeIndex(index);
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}
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RemoveEntryCommand::~RemoveEntryCommand()
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{
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freeEntry();
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}
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void RemoveEntryCommand::redo()
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{
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freeEntry();
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const QModelIndex index = makeIndex();
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m_isExpanded = m_view->isExpanded(index);
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m_entry = m_view->removeEntry(index);
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}
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void RemoveEntryCommand::undo()
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{
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if (m_entry == 0) {
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m_entry->restore();
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Q_ASSERT(m_view != 0);
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const QModelIndex index = makeIndex();
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m_view->setExpanded(index, m_isExpanded);
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m_view->setCurrentIndex(index);
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freeEntry();
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}
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}
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void RemoveEntryCommand::freeEntry()
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{
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delete m_entry;
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m_entry = 0;
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}
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AddFilesCommand::AddFilesCommand(ResourceView *view, int prefixIndex, int cursorFileIndex,
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const QStringList &fileNames)
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: ViewCommand(view), m_prefixIndex(prefixIndex), m_cursorFileIndex(cursorFileIndex),
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m_fileNames(fileNames), m_firstFile(-1), m_lastFile(-1)
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{ }
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void AddFilesCommand::redo()
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{
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m_view->addFiles(m_prefixIndex, m_fileNames, m_cursorFileIndex, m_firstFile, m_lastFile);
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}
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void AddFilesCommand::undo()
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{
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m_view->removeFiles(m_prefixIndex, m_firstFile, m_lastFile);
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}
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AddEmptyPrefixCommand::AddEmptyPrefixCommand(ResourceView *view)
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: ViewCommand(view)
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{ }
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void AddEmptyPrefixCommand::redo()
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{
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m_prefixArrayIndex = m_view->addPrefix().row();
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}
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void AddEmptyPrefixCommand::undo()
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{
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const QModelIndex prefixModelIndex = m_view->model()->index(
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m_prefixArrayIndex, 0, QModelIndex());
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delete m_view->removeEntry(prefixModelIndex);
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}
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} // namespace SharedTools
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