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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "undocommands_p.h"
#include <QModelIndex>
namespace ResourceEditor::Internal {
ViewCommand::ViewCommand(ResourceView *view)
: m_view(view)
{ }
ViewCommand::~ViewCommand() = default;
ModelIndexViewCommand::ModelIndexViewCommand(ResourceView *view)
: ViewCommand(view)
{ }
ModelIndexViewCommand::~ModelIndexViewCommand() = default;
void ModelIndexViewCommand::storeIndex(const QModelIndex &index)
{
if (m_view->isPrefix(index)) {
m_prefixArrayIndex = index.row();
m_fileArrayIndex = -1;
} else {
m_fileArrayIndex = index.row();
m_prefixArrayIndex = m_view->model()->parent(index).row();
}
}
QModelIndex ModelIndexViewCommand::makeIndex() const
{
const QModelIndex prefixModelIndex
= m_view->model()->index(m_prefixArrayIndex, 0, QModelIndex());
if (m_fileArrayIndex != -1) {
// File node
const QModelIndex fileModelIndex
= m_view->model()->index(m_fileArrayIndex, 0, prefixModelIndex);
return fileModelIndex;
} else {
// Prefix node
return prefixModelIndex;
}
}
ModifyPropertyCommand::ModifyPropertyCommand(ResourceView *view, const QModelIndex &nodeIndex,
ResourceView::NodeProperty property, const int mergeId, const QString &before,
const QString &after)
: ModelIndexViewCommand(view), m_property(property), m_before(before), m_after(after),
m_mergeId(mergeId)
{
storeIndex(nodeIndex);
}
bool ModifyPropertyCommand::mergeWith(const QUndoCommand * command)
{
if (command->id() != id() || m_property != static_cast<const ModifyPropertyCommand *>(command)->m_property)
return false;
// Choose older command (this) and forgot the other
return true;
}
void ModifyPropertyCommand::undo()
{
Q_ASSERT(m_view);
// Save current text in m_after for redo()
m_after = m_view->getCurrentValue(m_property);
// Reset text to m_before
m_view->changeValue(makeIndex(), m_property, m_before);
}
void ModifyPropertyCommand::redo()
{
// Prevent execution from within QUndoStack::push
if (m_after.isNull())
return;
// Bring back text before undo
Q_ASSERT(m_view);
m_view->changeValue(makeIndex(), m_property, m_after);
}
RemoveEntryCommand::RemoveEntryCommand(ResourceView *view, const QModelIndex &index)
: ModelIndexViewCommand(view), m_entry(nullptr), m_isExpanded(true)
{
storeIndex(index);
}
RemoveEntryCommand::~RemoveEntryCommand()
{
freeEntry();
}
void RemoveEntryCommand::redo()
{
freeEntry();
const QModelIndex index = makeIndex();
m_isExpanded = m_view->isExpanded(index);
m_entry = m_view->removeEntry(index);
}
void RemoveEntryCommand::undo()
{
if (m_entry != nullptr) {
m_entry->restore();
Q_ASSERT(m_view != nullptr);
const QModelIndex index = makeIndex();
m_view->setExpanded(index, m_isExpanded);
m_view->setCurrentIndex(index);
freeEntry();
}
}
void RemoveEntryCommand::freeEntry()
{
delete m_entry;
m_entry = nullptr;
}
RemoveMultipleEntryCommand::RemoveMultipleEntryCommand(ResourceView *view, const QList<QModelIndex> &list)
{
m_subCommands.reserve(list.size());
for (const QModelIndex &index : list)
m_subCommands.push_back(new RemoveEntryCommand(view, index));
}
RemoveMultipleEntryCommand::~RemoveMultipleEntryCommand()
{
qDeleteAll(m_subCommands);
}
void RemoveMultipleEntryCommand::redo()
{
auto it = m_subCommands.rbegin();
auto end = m_subCommands.rend();
for (; it != end; ++it)
(*it)->redo();
}
void RemoveMultipleEntryCommand::undo()
{
auto it = m_subCommands.begin();
auto end = m_subCommands.end();
for (; it != end; ++it)
(*it)->undo();
}
AddFilesCommand::AddFilesCommand(ResourceView *view, int prefixIndex, int cursorFileIndex,
const QStringList &fileNames)
: ViewCommand(view), m_prefixIndex(prefixIndex), m_cursorFileIndex(cursorFileIndex),
m_fileNames(fileNames)
{ }
void AddFilesCommand::redo()
{
m_view->addFiles(m_prefixIndex, m_fileNames, m_cursorFileIndex, m_firstFile, m_lastFile);
}
void AddFilesCommand::undo()
{
m_view->removeFiles(m_prefixIndex, m_firstFile, m_lastFile);
}
AddEmptyPrefixCommand::AddEmptyPrefixCommand(ResourceView *view)
: ViewCommand(view)
{ }
void AddEmptyPrefixCommand::redo()
{
m_prefixArrayIndex = m_view->addPrefix().row();
}
void AddEmptyPrefixCommand::undo()
{
const QModelIndex prefixModelIndex = m_view->model()->index(
m_prefixArrayIndex, 0, QModelIndex());
delete m_view->removeEntry(prefixModelIndex);
}
} // ResourceEditor::Internal
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