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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
****************************************************************************/
#include "qmljswrapinloader.h"
#include "qmljsquickfixassist.h"
#include <coreplugin/idocument.h>
#include <qmljs/parser/qmljsast_p.h>
#include <qmljs/qmljsdocument.h>
#include <qmljs/qmljsscopechain.h>
#include <qmljs/qmljsutils.h>
#include <qmljs/qmljsbind.h>
#include <qmljstools/qmljsrefactoringchanges.h>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QCoreApplication>
using namespace QmlJS;
using namespace QmlJS::AST;
using namespace QmlJSTools;
namespace QmlJSEditor {
using namespace Internal;
namespace {
class FindIds : protected Visitor
{
public:
using Result = QHash<QString, SourceLocation>;
Result operator()(Node *node)
{
result.clear();
Node::accept(node, this);
return result;
}
protected:
bool visit(UiObjectInitializer *ast) override
{
UiScriptBinding *idBinding;
QString id = idOfObject(ast, &idBinding);
if (!id.isEmpty())
result[id] = locationFromRange(idBinding->statement);
return true;
}
void throwRecursionDepthError() override
{
qWarning("Warning: Hit maximum recursion depth while visitin AST in FindIds");
}
Result result;
};
template <typename T>
class Operation: public QmlJSQuickFixOperation
{
Q_DECLARE_TR_FUNCTIONS(QmlJSEditor::Internal::Operation)
T *m_objDef;
public:
Operation(const QSharedPointer<const QmlJSQuickFixAssistInterface> &interface,
T *objDef)
: QmlJSQuickFixOperation(interface, 0)
, m_objDef(objDef)
{
Q_ASSERT(m_objDef);
setDescription(tr("Wrap Component in Loader"));
}
QString findFreeName(const QString &base)
{
QString tryName = base;
int extraNumber = 1;
const ObjectValue *found = nullptr;
const ScopeChain &scope = assistInterface()->semanticInfo().scopeChain();
forever {
scope.lookup(tryName, &found);
if (!found || extraNumber > 1000)
break;
tryName = base + QString::number(extraNumber++);
}
return tryName;
}
void performChanges(QmlJSRefactoringFilePtr currentFile,
const QmlJSRefactoringChanges &) override
{
UiScriptBinding *idBinding;
const QString id = idOfObject(m_objDef, &idBinding);
QString baseName = id;
if (baseName.isEmpty()) {
for (UiQualifiedId *it = m_objDef->qualifiedTypeNameId; it; it = it->next) {
if (!it->next)
baseName = it->name.toString();
}
}
// find ids
const QString componentId = findFreeName(QLatin1String("component_") + baseName);
const QString loaderId = findFreeName(QLatin1String("loader_") + baseName);
Utils::ChangeSet changes;
FindIds::Result innerIds = FindIds()(m_objDef);
innerIds.remove(id);
QString comment = tr("// TODO: Move position bindings from the component to the Loader.\n"
"// Check all uses of 'parent' inside the root element of the component.")
+ QLatin1Char('\n');
if (idBinding) {
comment += tr("// Rename all outer uses of the id \"%1\" to \"%2.item\".").arg(
id, loaderId) + QLatin1Char('\n');
}
// handle inner ids
QString innerIdForwarders;
for (auto it = innerIds.cbegin(), end = innerIds.cend(); it != end; ++it) {
const QString innerId = it.key();
comment += tr("// Rename all outer uses of the id \"%1\" to \"%2.item.%1\".\n").arg(
innerId, loaderId);
changes.replace(it.value().begin(), it.value().end(), QString::fromLatin1("inner_%1").arg(innerId));
innerIdForwarders += QString::fromLatin1("\nproperty alias %1: inner_%1").arg(innerId);
}
if (!innerIdForwarders.isEmpty()) {
innerIdForwarders.append(QLatin1Char('\n'));
const int afterOpenBrace = m_objDef->initializer->lbraceToken.end();
changes.insert(afterOpenBrace, innerIdForwarders);
}
const int objDefStart = m_objDef->qualifiedTypeNameId->firstSourceLocation().begin();
const int objDefEnd = m_objDef->lastSourceLocation().end();
changes.insert(objDefStart, comment +
QString::fromLatin1("Component {\n"
" id: %1\n").arg(componentId));
changes.insert(objDefEnd, QString::fromLatin1("\n"
"}\n"
"Loader {\n"
" id: %2\n"
" sourceComponent: %1\n"
"}\n").arg(componentId, loaderId));
currentFile->setChangeSet(changes);
currentFile->appendIndentRange(Range(objDefStart, objDefEnd));
currentFile->apply();
}
};
} // end of anonymous namespace
void matchWrapInLoaderQuickFix(const QmlJSQuickFixInterface &interface, QuickFixOperations &result)
{
const int pos = interface->currentFile()->cursor().position();
QList<Node *> path = interface->semanticInfo().rangePath(pos);
for (int i = path.size() - 1; i >= 0; --i) {
Node *node = path.at(i);
if (auto objDef = cast<UiObjectDefinition *>(node)) {
if (!interface->currentFile()->isCursorOn(objDef->qualifiedTypeNameId))
return;
// check that the node is not the root node
if (i > 0 && !cast<UiProgram*>(path.at(i - 1))) {
result << new Operation<UiObjectDefinition>(interface, objDef);
return;
}
} else if (auto objBinding = cast<UiObjectBinding *>(node)) {
if (!interface->currentFile()->isCursorOn(objBinding->qualifiedTypeNameId))
return;
result << new Operation<UiObjectBinding>(interface, objBinding);
return;
}
}
}
} // namespace QmlJSEditor
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