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/*************************************************************************************
* Copyright (C) 2012 by Aleix Pol <aleixpol@kde.org> *
* Copyright (C) 2012 by Milian Wolff <mail@milianw.de> *
* Copyright (C) 2013 by Sven Brauch <svenbrauch@gmail.com> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
*************************************************************************************/
#include "kdevqmljsplugin.h"
#include "qmljsparsejob.h"
#include "qmljshighlighting.h"
#include "codecompletion/model.h"
#include "navigation/propertypreviewwidget.h"
#include "duchain/helper.h"
#include <qmljs/qmljsmodelmanagerinterface.h>
#include <KPluginFactory>
#include <language/codecompletion/codecompletion.h>
#include <language/assistant/renameassistant.h>
#include <language/assistant/staticassistantsmanager.h>
#include <language/codegen/basicrefactoring.h>
#include <language/duchain/duchain.h>
#include <language/duchain/duchainutils.h>
#include <language/interfaces/editorcontext.h>
#include <interfaces/icore.h>
#include <interfaces/idocumentcontroller.h>
#include <interfaces/ilanguagecontroller.h>
#include <interfaces/contextmenuextension.h>
#include <QReadWriteLock>
K_PLUGIN_FACTORY_WITH_JSON(KDevQmlJsSupportFactory, "kdevqmljs.json", registerPlugin<KDevQmlJsPlugin>(); )
using namespace KDevelop;
/// TODO: Extend? See qmljsmodelmanager.h in qt-creator.git
class ModelManager: public QmlJS::ModelManagerInterface
{
Q_OBJECT
public:
explicit ModelManager(QObject *parent = nullptr);
~ModelManager() override;
};
ModelManager::ModelManager(QObject* parent)
: QmlJS::ModelManagerInterface(parent) {}
ModelManager::~ModelManager() {}
KDevQmlJsPlugin::KDevQmlJsPlugin(QObject* parent, const QVariantList& )
: IPlugin(QStringLiteral("kdevqmljssupport"), parent )
, ILanguageSupport()
, m_highlighting(new QmlJsHighlighting(this))
, m_refactoring(new BasicRefactoring(this))
, m_modelManager(new ModelManager(this))
{
QmlJS::registerDUChainItems();
CodeCompletionModel* codeCompletion = new QmlJS::CodeCompletionModel(this);
new KDevelop::CodeCompletion(this, codeCompletion, name());
auto assistantsManager = core()->languageController()->staticAssistantsManager();
assistantsManager->registerAssistant(StaticAssistant::Ptr(new RenameAssistant(this)));
}
KDevQmlJsPlugin::~KDevQmlJsPlugin()
{
parseLock()->lockForWrite();
// By locking the parse-mutexes, we make sure that parse jobs get a chance to finish in a good state
parseLock()->unlock();
QmlJS::unregisterDUChainItems();
}
ParseJob* KDevQmlJsPlugin::createParseJob(const IndexedString& url)
{
return new QmlJsParseJob(url, this);
}
QString KDevQmlJsPlugin::name() const
{
return QStringLiteral("qml/js");
}
ICodeHighlighting* KDevQmlJsPlugin::codeHighlighting() const
{
return m_highlighting;
}
BasicRefactoring* KDevQmlJsPlugin::refactoring() const
{
return m_refactoring;
}
ContextMenuExtension KDevQmlJsPlugin::contextMenuExtension(Context* context, QWidget* parent)
{
ContextMenuExtension cm;
auto *ec = dynamic_cast<KDevelop::EditorContext *>(context);
if (ec && ICore::self()->languageController()->languagesForUrl(ec->url()).contains(this)) {
// It's a QML/JS file, let's add our context menu.
m_refactoring->fillContextMenu(cm, context, parent);
}
return cm;
}
const QString textFromDoc(const IDocument* doc, const KTextEditor::Range& range) {
return doc->textDocument()->line(range.start().line()).mid(range.start().column(), range.end().column()-range.start().column());
}
// Finds how many spaces the given string has at one end.
// direction=+1 -> left end of the string, -1 for right end.
int spacesAtCorner(const QString& string, int direction = +1) {
int spaces = 0;
QString::const_iterator it;
for ( it = direction == 1 ? string.begin() : string.end()-1 ; it != string.end(); it += direction ) {
if ( ! it->isSpace() ) break;
spaces += 1;
}
return spaces;
}
// Take the given QML line and check if it's a line of the form foo.bar: value.
// Return ranges for the key and the value.
const QPair<KTextEditor::Range, KTextEditor::Range> parseProperty(const QString& line, const KTextEditor::Cursor& position) {
const QStringList items = line.split(QLatin1Char(';'));
QString matchingItem;
int col_offset = -1;
// This is to also support FooAnimation { foo: bar; baz: bang; duration: 200 }
// or similar
for (const QString& item : items) {
col_offset += item.size() + 1;
if ( position.column() < col_offset ) {
matchingItem = item;
break;
}
}
QStringList split = matchingItem.split(QLatin1Char(':'));
if ( split.size() != 2 ) {
// The expression is not of the form foo:bar, thus invalid.
return qMakePair(KTextEditor::Range::invalid(), KTextEditor::Range::invalid());
}
QString key = split.at(0);
QString value = split.at(1);
// For animations or similar, remove the trailing '}' if there's no semicolon after the last entry
if (value.trimmed().endsWith(QLatin1Char('}'))) {
col_offset -= value.size() - value.lastIndexOf(QLatin1Char('}')) + 1;
value = value.left(value.lastIndexOf(QLatin1Char('}'))-1);
}
return qMakePair(
KTextEditor::Range(
KTextEditor::Cursor(position.line(), col_offset - value.size() - key.size() + spacesAtCorner(key, +1) - 1),
KTextEditor::Cursor(position.line(), col_offset - value.size() - 1 + spacesAtCorner(key, -1))
),
KTextEditor::Range(
KTextEditor::Cursor(position.line(), col_offset - value.size() + spacesAtCorner(value, +1)),
KTextEditor::Cursor(position.line(), col_offset + spacesAtCorner(value, -1))
));
}
QPair<QWidget*, KTextEditor::Range> KDevQmlJsPlugin::specialLanguageObjectNavigationWidget(const QUrl& url, const KTextEditor::Cursor& position)
{
IDocument* doc = ICore::self()->documentController()->documentForUrl(url);
if ( doc && doc->textDocument() ) {
// Check for a QML property, and construct a property preview widget
// if the property key is listed in the supported properties.
QPair<KTextEditor::Range, KTextEditor::Range> property = parseProperty(doc->textDocument()->line(position.line()), position);
if ( property.first.isValid() && property.second.isValid() ) {
const auto itemUnderCursor = DUChainUtils::itemUnderCursor(url, property.first.start());
return {PropertyPreviewWidget::constructIfPossible(
doc->textDocument(),
property.first,
property.second,
itemUnderCursor.declaration,
textFromDoc(doc, property.first),
textFromDoc(doc, property.second)
), itemUnderCursor.range};
}
}
// Otherwise, display no special "navigation" widget.
return KDevelop::ILanguageSupport::specialLanguageObjectNavigationWidget(url, position);
}
#include "kdevqmljsplugin.moc"
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