scriptengine.cpp

#include "scriptengine.h"
#include "filechooser.h"
#include "smallUsefulFunctions.h"
#include "qdocumentsearch.h"
#include "scriptobject.h"
#include "buildmanager.h"
#include "latexdocument.h"
#include "texmaker.h"
#include "PDFDocument.h"
#include "usermacro.h"

Q_DECLARE_METATYPE(QDocument*);
Q_DECLARE_METATYPE(LatexDocument*);
Q_DECLARE_METATYPE(LatexDocuments*);
Q_DECLARE_METATYPE(LatexEditorView*);
Q_DECLARE_METATYPE(BuildManager*);
Q_DECLARE_METATYPE(RunCommandFlags);
Q_DECLARE_METATYPE(ProcessX*);
Q_DECLARE_METATYPE(QAction*);
Q_DECLARE_METATYPE(QMenu*);
Q_DECLARE_METATYPE(QFileInfo);
Q_DECLARE_METATYPE(SubScriptObject*);
Q_DECLARE_METATYPE(QEditor*);
Q_DECLARE_METATYPE(QList<LatexDocument*>);
#ifndef NO_POPPLER_PREVIEW
Q_DECLARE_METATYPE(PDFDocument*);
Q_DECLARE_METATYPE(PDFWidget*);
Q_DECLARE_METATYPE(QList<PDFDocument*>);
#endif
Q_DECLARE_METATYPE(QString*);

BuildManager* scriptengine::buildManager = 0;
Texmaker* scriptengine::app = 0;

QList<Macro>* scriptengine::macros = 0;

//copied from trolltech mailing list
template <typename Tp> QScriptValue qScriptValueFromQObject(QScriptEngine *engine, Tp const &qobject)
{
	return engine->newQObject(qobject);
}

template <typename Tp> void qScriptValueToQObject(const QScriptValue &value, Tp &qobject) {
	qobject = qobject_cast<Tp>(value.toQObject());
}

template <typename Tp> int qScriptRegisterQObjectMetaType( QScriptEngine *engine, const QScriptValue &prototype = QScriptValue(), Tp * /* dummy */ = 0)
{
	return qScriptRegisterMetaType<Tp>(engine, qScriptValueFromQObject, qScriptValueToQObject, prototype);
}

//

QScriptValue qScriptValueFromDocumentCursor(QScriptEngine *engine, QDocumentCursor const &cursor)
{
	return engine->newQObject(new QDocumentCursor(cursor), QScriptEngine::ScriptOwnership);
}
void qScriptValueToDocumentCursor(const QScriptValue &value, QDocumentCursor &qobject) {
	Q_ASSERT(value.toQObject());
	qobject = *qobject_cast<QDocumentCursor*>(value.toQObject());
}
/**QScriptValue qScriptValueFromKeySequence(QScriptEngine *engine, QKeySequence const &ks)
{
 return engine->newVariant(ks);
}
void qScriptValueToKeySequence(const QScriptValue &value, QKeySequence &ks) {
 if (value.isString()) ks = QKeySequence(value.toString());
 else if (value.isNumber()) ks = QKeySequence(value.toInt32());
 else if (value.isVariant()) ks = value.toVariant().value<QKeySequence>();
 else ks = QKeySequence();
}*/


template <typename Tp> QScriptValue qScriptValueFromQList(QScriptEngine *engine, QList<Tp> const &list)
{
	QScriptValue result = engine->newArray(list.size());
	for (int i=0;i<list.size();i++)
		result.setProperty(i,  engine->newQObject(list[i])); //engine->newVariant(QVariant::fromValue<Tp>(list[i])));
	return result;
}

QDocumentCursor cursorFromValue(const QScriptValue& value){
	QDocumentCursor * c = qobject_cast<QDocumentCursor*> (value.toQObject());
	if (!c) {
		if (value.engine() && value.engine()->currentContext()) value.engine()->currentContext()->throwError(scriptengine::tr("Expected cursor object"));
		return QDocumentCursor();
	}
	return *c;
}

QScriptValue qScriptValueFromQFileInfo(QScriptEngine *engine, QFileInfo const &fi)
{
	return engine->newVariant(fi.absoluteFilePath());
}
void qScriptValueToQFileInfo(const QScriptValue &value, QFileInfo &fi) {
	fi = QFileInfo(value.toString());
}


ScriptObject* needPrivileges(QScriptEngine *engine, const QString& fn, const QString& args, bool write = true){
	ScriptObject* sc = qobject_cast<ScriptObject*>(engine->globalObject().toQObject());
	REQUIRE_RET(sc, 0);
	if (write) {
		if (!sc->needWritePrivileges(fn, args)) return 0;
	} else {
		if (!sc->needReadPrivileges(fn, args)) return 0;
	}
	return sc;
}


//map qstring* to scriptvalue object, for callbacks

quintptr PointerObsfuscationKey = 0;

quintptr pointerObsfuscationKey() { //hide true pointers from scripts
	while (PointerObsfuscationKey == 0) {
		for (unsigned int i=0;i<sizeof(PointerObsfuscationKey);i++) 
			PointerObsfuscationKey = (PointerObsfuscationKey << 8) | (rand() & 0xFF);
	}
	return PointerObsfuscationKey;
}


QString* getStrPtr(QScriptValue value){
	if (!value.property("dataStore").isValid()) 
		return 0;
	bool ok = false;
	quintptr ptr = value.property("dataStore").toVariant().toULongLong(&ok);
	if (!ok || ptr == 0 || ptr == pointerObsfuscationKey())
		return 0;
	return (QString*)(ptr ^ pointerObsfuscationKey());
}

QScriptValue getSetStrValue(QScriptContext *context, QScriptEngine *engine){
	bool setterMode = context->argumentCount() == 1;
	QString* s = getStrPtr(context->thisObject());
	if (setterMode && !s) {
		s = new QString();
		context->thisObject().setProperty("dataStore", engine->newVariant((quintptr)(s) ^ pointerObsfuscationKey()));
	}
	if (!s) return engine->undefinedValue();
	if (setterMode) {
		if (!needPrivileges(engine, "string setting", context->argument(0).toString()))
			return engine->undefinedValue();
		*s = context->argument(0).toString();
	}
	return engine->newVariant(*s);
}


QScriptValue qScriptValueFromStringPtr(QScriptEngine *engine, QString * const &str)
{	
	QScriptValue wrapper = engine->newObject();
	wrapper.setProperty("dataStore", engine->newVariant((quintptr)(str) ^ pointerObsfuscationKey()),QScriptValue::Undeletable | QScriptValue::ReadOnly);
	wrapper.setProperty("value", engine->newFunction(&getSetStrValue), QScriptValue::Undeletable | QScriptValue::PropertyGetter | QScriptValue::PropertySetter);
	//it should set wrapper.toString to wrapper.value, but I don't know how you can do that (setProperty didn't work)
	return wrapper;
}
void qScriptValueToStringPtr(const QScriptValue &value, QString* &str) {
	str = 0;
	QString* s = getStrPtr(value);
	if (!s) {
		if (!value.isObject()) return;
		s = new QString(); //memory leak. But better than null pointer
		QScriptValue(value).setProperty("dataStore",value.engine()->newVariant((quintptr)(s) ^ pointerObsfuscationKey()),QScriptValue::Undeletable | QScriptValue::ReadOnly);
		QScriptValue(value).setProperty("value", value.engine()->newFunction(&getSetStrValue), QScriptValue::Undeletable | QScriptValue::PropertyGetter | QScriptValue::PropertySetter);
	}
	str = s;
}


#define SCRIPT_REQUIRE(cond, message) if (!(cond)) { context->throwError(scriptengine::tr(message)); return engine->undefinedValue(); }


QScriptValue searchReplaceFunction(QScriptContext *context, QScriptEngine *engine, bool replace){
	QEditor *editor = qobject_cast<QEditor*>(context->thisObject().toQObject());
	//read arguments
	SCRIPT_REQUIRE(editor, "invalid object");
	SCRIPT_REQUIRE(!replace || context->argumentCount()>=2, "at least two arguments are required");
	SCRIPT_REQUIRE(context->argumentCount()>=1, "at least one argument is required");
	SCRIPT_REQUIRE(context->argumentCount()<=4, "too many arguments");
	SCRIPT_REQUIRE(context->argument(0).isString()||context->argument(0).isRegExp(), "first argument must be a string or regexp");
	QDocumentSearch::Options flags = QDocumentSearch::Silent;
	bool global = false, caseInsensitive = false;
	QString searchFor;
	if (context->argument(0).isRegExp()) {
		flags |= QDocumentSearch::RegExp;
		QRegExp r = context->argument(0).toRegExp();
		searchFor = r.pattern();
		caseInsensitive = r.caseSensitivity() == Qt::CaseInsensitive;
		Q_ASSERT(caseInsensitive == context->argument(0).property("ignoreCase").toBool()); //check assumption about javascript core
		global = context->argument(0).property("global").toBool();
	} else searchFor = context->argument(0).toString();
	QScriptValue handler;
	QDocumentCursor scope = editor->document()->cursor(0,0,editor->document()->lineCount(),0);
	int handlerCount = 0;
	for (int i=1; i<context->argumentCount();i++)
		if (context->argument(i).isString() || context->argument(i).isFunction()) handlerCount++;
	SCRIPT_REQUIRE(handlerCount <= (replace?2:1), "too many string or function arguments");
	for (int i=1; i<context->argumentCount();i++) {
		QScriptValue a = context->argument(i);
		if (a.isFunction()) {
			SCRIPT_REQUIRE(!handler.isValid(), "Multiple callbacks");
			handler = a;
		} else if (a.isString()) {
			if (!replace || handlerCount > 1) {
				QString s = a.toString().toLower();
				global = s.contains("g");
				caseInsensitive = s.contains("i");
				if (s.contains("w")) flags |= QDocumentSearch::WholeWords;
			} else {
				SCRIPT_REQUIRE(!handler.isValid(), "Multiple callbacks");
				handler = a;
			}
			handlerCount--;
		} else if (a.isNumber()) flags |= QDocumentSearch::Options((int)a.toNumber());
		else if (a.isObject()) scope = cursorFromValue(a);
		else SCRIPT_REQUIRE(false, "Invalid argument");
	}
	SCRIPT_REQUIRE(handler.isValid() || !replace, "No callback given");
	if (!caseInsensitive) flags |= QDocumentSearch::CaseSensitive;
	
	//search/replace
	QDocumentSearch search(editor, searchFor, flags);
	search.setScope(scope);
	if (replace && handler.isString()) {
		search.setReplaceText(handler.toString());
		search.setOption(QDocumentSearch::Replace,true);
		return search.next(false, global, false, false);
	}
	if (!handler.isValid())
		return search.next(false,global,true,false);
	int count=0;
	while (search.next(false, false, true, false) && search.cursor().isValid()) {
		count++;
		QDocumentCursor temp = search.cursor();
		QScriptValue cb = handler.call(QScriptValue(), QScriptValueList() << engine->newQObject(&temp));
		if (replace && cb.isValid()){
			QDocumentCursor tmp = search.cursor();
			tmp.replaceSelectedText(cb.toString());
			search.setCursor(tmp.selectionEnd());
		}
		if (!global) break;
	}
	return count;
}

QScriptValue searchFunction(QScriptContext *context, QScriptEngine *engine){
	return searchReplaceFunction(context, engine, false);
}
QScriptValue replaceFunction(QScriptContext *context, QScriptEngine *engine){
	return searchReplaceFunction(context, engine, true);
}


QScriptValue buildManagerRunCommandWrapper(QScriptContext *context, QScriptEngine *engine){
	ScriptObject* sc = needPrivileges(engine,"buildManager.runCommand", context->argument(0).toString() + ", "+context->argument(1).toString() + ", "+context->argument(2).toString());
	if (!sc) return engine->undefinedValue();
	return engine->newVariant(sc->buildManager->runCommand(
	                                 context->argument(0).toString(), 
	                                 context->argument(1).isUndefined()?QFileInfo():context->argument(1).toString(),
	                                 context->argument(2).isUndefined()?QFileInfo():context->argument(2).toString(),
	                                 context->argument(3).isUndefined()?0:context->argument(3).toInt32()
	                                                                    ));
}

QScriptValue editorSaveWrapper(QScriptContext *context, QScriptEngine *engine){
	ScriptObject* sc = needPrivileges(engine,"editor.save", context->argument(0).toString());
	QEditor* ed = qobject_cast<QEditor*>(context->thisObject().toQObject());
	if (!sc || !ed) return engine->undefinedValue();
	if (context->argumentCount() == 0)	ed->save();
	else ed->save(context->argument(0).toString());
	return engine->undefinedValue();
}

QScriptValue editorSaveCopyWrapper(QScriptContext *context, QScriptEngine *engine){
	ScriptObject* sc = needPrivileges(engine,"editor.save", context->argument(0).toString());
	QEditor* ed = qobject_cast<QEditor*>(context->thisObject().toQObject());
	if (!sc || !ed) return engine->undefinedValue();
	return engine->newVariant(ed->saveCopy(context->argument(0).toString()));
	
}

QScriptValue include(QScriptContext *context, QScriptEngine *engine){
	if (context->argumentCount() != 1) return engine->undefinedValue();
	QString name = context->argument(0).toString();
	bool found = false;
	QString macro;
	if (scriptengine::macros) {
		for (int i=0;i<scriptengine::macros->size();i++)
			if (scriptengine::macros->at(i).name == name) {
				found = true;
				macro = scriptengine::macros->at(i).tag;
				break;
			}
	}
	if (!found) {
		QString filename;
		if (QFileInfo(name).exists()) filename = name;
		else filename = findResourceFile(name, true);
		if (filename.isEmpty() || !needPrivileges(engine, "include", filename, false))
			return engine->undefinedValue();
		QFile f(filename);
		if (!f.open(QFile::ReadOnly)) 
			return engine->undefinedValue();
		macro = QString::fromUtf8(f.readAll().data());
	}
	if (macro.startsWith("%SCRIPT")) macro.remove(0, strlen("%SCRIPT"));
	if (macro.isEmpty()) return engine->undefinedValue();
	return engine->evaluate(macro);
}


QScriptValue setTimeout(QScriptContext *context, QScriptEngine *engine){
	if (context->argumentCount() != 2) return engine->undefinedValue();
	ScriptObject* sc = qobject_cast<ScriptObject*>(engine->globalObject().toQObject());
	REQUIRE_RET(sc, engine->undefinedValue());
	
	TimeoutWrapper *timeout = new TimeoutWrapper();
	timeout->fun = context->argument(0);
	QTimer::singleShot(context->argument(1).toInt32(), timeout, SLOT(run()));
	
	return engine->undefinedValue();
}

void TimeoutWrapper::run(){
	fun.call();
	deleteLater();
}

scriptengine::scriptengine(QObject *parent) : QObject(parent),globalObject(0), m_editor(0),m_allowWrite(false)
{
	engine=new QScriptEngine(this);
	qScriptRegisterQObjectMetaType<QDocument*>(engine);
	qScriptRegisterMetaType<QDocumentCursor>(engine, qScriptValueFromDocumentCursor, qScriptValueToDocumentCursor, QScriptValue());
	qScriptRegisterMetaType<QFileInfo>(engine, qScriptValueFromQFileInfo, qScriptValueToQFileInfo, QScriptValue());
	qScriptRegisterMetaType<QString*>(engine, qScriptValueFromStringPtr, qScriptValueToStringPtr, QScriptValue());
	qScriptRegisterQObjectMetaType<ProcessX*>(engine);
	qScriptRegisterQObjectMetaType<SubScriptObject*>(engine);
	qScriptRegisterQObjectMetaType<Texmaker*>(engine);
	qScriptRegisterQObjectMetaType<QAction*>(engine);
	qScriptRegisterQObjectMetaType<QMenu*>(engine);
	qScriptRegisterQObjectMetaType<LatexEditorView*>(engine);
	qScriptRegisterQObjectMetaType<LatexDocument*>(engine);
	qScriptRegisterQObjectMetaType<LatexDocuments*>(engine);
#ifndef NO_POPPLER_PREVIEW
	qScriptRegisterQObjectMetaType<PDFDocument*>(engine);
	qScriptRegisterQObjectMetaType<PDFWidget*>(engine);
#endif
	QScriptValue extendedQEditor = engine->newObject();
	extendedQEditor.setProperty("search", engine->newFunction(&searchFunction), QScriptValue::ReadOnly|QScriptValue::Undeletable);
	extendedQEditor.setProperty("replace", engine->newFunction(&replaceFunction), QScriptValue::ReadOnly|QScriptValue::Undeletable);
	extendedQEditor.setProperty("save", engine->newFunction(&editorSaveWrapper), QScriptValue::ReadOnly|QScriptValue::Undeletable);
	extendedQEditor.setProperty("saveCopy", engine->newFunction(&editorSaveCopyWrapper), QScriptValue::ReadOnly|QScriptValue::Undeletable);
	qScriptRegisterQObjectMetaType<QEditor*>(engine, extendedQEditor);
	
	qScriptRegisterSequenceMetaType<QList<LatexDocument*> >(engine);
#ifndef NO_POPPLER_PREVIEW
	qScriptRegisterSequenceMetaType<QList<PDFDocument*> >(engine);
#endif
	
	qRegisterMetaType<RunCommandFlags>();
	
	qScriptRegisterQObjectMetaType<BuildManager*>(engine);
	
	//	qScriptRegisterMetaType<QKeySequence>(engine, qScriptValueFromKeySequence, qScriptValueToKeySequence, QScriptValue());
	//qScriptRegisterQObjectMetaType<QUILoader*>(engine);
	//	engine->setDefaultPrototype(qMetaTypeId<QDocument*>(), QScriptValue());
	//engine->setDefaultPrototype(qMetaTypeId<QDocumentCursor>(), QScriptValue());
	
	
}

scriptengine::~scriptengine(){
	delete engine;
	//don't delete globalObject, it has either been destroyed in run, or by another script
}

void scriptengine::setScript(const QString& script,bool allowWrite){
	m_script=script;
    m_allowWrite=allowWrite;
}
void scriptengine::setEditorView(LatexEditorView *edView){
	REQUIRE(edView);
	m_editor = edView->editor;
	m_editorView = edView;
}


/* partly copied from qt's Q_SCRIPT_DECLARE_QMETAOBJECT */ \
template<> inline QScriptValue qscriptQMetaObjectConstructor<UniversalInputDialogScript>(QScriptContext *ctx, QScriptEngine *eng, UniversalInputDialogScript *) 
{ 
	UniversalInputDialogScript * t = new UniversalInputDialogScript(eng, 0); 
	
	if (ctx->argumentCount()) {
		if (!ctx->argument(0).isArray() || !(ctx->argument(1).isArray() || ctx->argument(1).isUndefined())) 
			t->add(ctx->argument(0),ctx->argument(1),ctx->argument(2));
		else for (int i=0;i<ctx->argumentCount();i++){
			const QScriptValue& sv = ctx->argument(i);
			if (!sv.isArray()) { ctx->throwError("Expected array instead of " + sv.toString()); continue; }
			t->add(sv.property(0), sv.property(1), sv.property(2));
		}
	}
	
	if (ctx->isCalledAsConstructor()) 
		return eng->newQObject(ctx->thisObject(), t, QScriptEngine::AutoOwnership); 
	QScriptValue o = eng->newQObject(t, QScriptEngine::AutoOwnership); 
	o.setPrototype(ctx->callee().property(QString::fromLatin1("prototype"))); 
	return o; 
}

void scriptengine::run(){
	if (globalObject) delete globalObject;
	globalObject = new ScriptObject(m_script,buildManager,app);
    if(m_allowWrite){
        globalObject->registerAllowedWrite();
    }
	QScriptValue globalValue = engine->newQObject(globalObject);
	globalValue.setPrototype(engine->globalObject());
	engine->setGlobalObject(globalValue);
	
	QDocumentCursor c;
	QScriptValue cursorValue;
	if (m_editorView)
		engine->globalObject().setProperty("editorView", engine->newQObject(m_editorView));
	
	if (m_editor) {
		engine->globalObject().setProperty("editor", engine->newQObject(m_editor));
		
		c=m_editor->cursor();
		c.setAutoUpdated(true); //auto updated so the editor text insert functions actually move the cursor		
		cursorValue = engine->newQObject(&c);
		engine->globalObject().setProperty("cursor", cursorValue);
		
		QScriptValue matches = engine->newArray(triggerMatches.size());
		for (int i=0;i<triggerMatches.size();i++) matches.setProperty(i, triggerMatches[i]);
		engine->globalObject().setProperty("triggerMatches", matches);
	} 
	engine->globalObject().setProperty("triggerId", engine->newVariant(triggerId));

	engine->globalObject().setProperty("include", engine->newFunction(include));

	engine->globalObject().setProperty("setTimeout", engine->newFunction(setTimeout));
	
	QScriptValue qsMetaObject = engine->newQMetaObject(&QDocumentCursor::staticMetaObject);
	engine->globalObject().setProperty("cursorEnums", qsMetaObject);
	
	QScriptValue uidClass = engine->scriptValueFromQMetaObject<UniversalInputDialogScript>();
	engine->globalObject().setProperty("UniversalInputDialog", uidClass);
	
	FileChooser flchooser(0,scriptengine::tr("File Chooser"));
	engine->globalObject().setProperty("fileChooser", engine->newQObject(&flchooser));
	
	engine->globalObject().setProperty("documentManager", engine->newQObject(&app->documents));
	engine->globalObject().setProperty("documents", qScriptValueFromQList(engine, app->documents.documents));
#ifndef NO_POPPLER_PREVIEW
	engine->globalObject().setProperty("pdfs", qScriptValueFromQList(engine, PDFDocument::documentList()));
#endif
	QScriptValue bm = engine->newQObject(&app->buildManager);
	bm.setProperty("runCommand", engine->newFunction(buildManagerRunCommandWrapper));	
	//bm.setProperty("commandLineRequested", engine->globalObject().property("buildManagerCommandLineRequestedWrapper"));
	engine->globalObject().setProperty("buildManager", bm);
	//connect(buildManager, SIGNAL(commandLineRequested(QString,QString*)), SLOT(buildManagerCommandLineRequestedWrapperSlot(const QString&, QString*)));
	
	engine->evaluate(m_script);
	
	if(engine->hasUncaughtException()){
		QString error = QString(tr("Uncaught exception at line %1: %2\n")).arg(engine->uncaughtExceptionLineNumber()).arg(engine->uncaughtException().toString());
		error += "\n"+QString(tr("Backtrace %1")).arg(engine->uncaughtExceptionBacktrace().join(", "));
		qDebug() << error;
		QMessageBox::critical(0, tr("Script-Error"), error);
	}
	
	if (m_editor) {
		if (engine->globalObject().property("cursor").strictlyEquals(cursorValue)) m_editor->setCursor(c);
		else m_editor->setCursor(cursorFromValue(engine->globalObject().property("cursor")));
	}
	
	if (!globalObject->backgroundScript) {
		delete globalObject;
		globalObject = 0;
	}
}


UniversalInputDialogScript::UniversalInputDialogScript(QScriptEngine* engine, QWidget* parent):UniversalInputDialog(parent), engine(engine){
	
}
UniversalInputDialogScript::~UniversalInputDialogScript(){
	for (int i=0;i<properties.size();i++) properties[i].deallocate();
}

QScriptValue UniversalInputDialogScript::add(const QScriptValue& def, const QScriptValue& description, const QScriptValue& id){
	QWidget* w = 0;
	if (def.isArray()) {
		QStringList options;
		QScriptValueIterator it(def);
		while (it.hasNext()) {
			it.next();
			if (it.flags() & QScriptValue::SkipInEnumeration)
				continue;
			if (it.value().isString() || it.value().isNumber()) options << it.value().toString();
			else engine->currentContext()->throwError("Invalid default value in array (must be string or number): "+it.value().toString());
		}
		w = addComboBox(ManagedProperty::fromValue(options), description.toString());
	} else if (def.isBool()) {
		w = addCheckBox(ManagedProperty::fromValue(def.toBool()), description.toString());
	} else if (def.isNumber()) {
		w = addDoubleSpinBox(ManagedProperty::fromValue(def.toNumber()), description.toString());
	} else if (def.isString()) {
		w = addLineEdit(ManagedProperty::fromValue(def.toString()), description.toString());
	} else {	
		
		engine->currentContext()->throwError(tr("Invalid default value: %1").arg(def.toString()));
		return QScriptValue();
	}
	if (id.isValid()) properties.last().name = id.toString();
	return engine->newQObject(w);
}

QScriptValue UniversalInputDialogScript::exec(){
	if (!UniversalInputDialog::exec()) return QScriptValue();
	return getAll();
}

QScriptValue UniversalInputDialogScript::getAll(){
	QScriptValue res = engine->newArray(properties.size());
	for (int i=0;i<properties.size();i++) {
		res.setProperty(i, engine->newVariant(properties[i].valueToQVariant()));
		if (!properties[i].name.isEmpty())
			res.setProperty(properties[i].name, engine->newVariant(properties[i].valueToQVariant()));
	}
	return res;
}

QScriptValue UniversalInputDialogScript::get(const QScriptValue& id){
	if (id.isNumber()) {
		int i = id.toInt32();
		if (i < 0 || i > properties.size()) return QScriptValue();
		return engine->newVariant(properties[i].valueToQVariant());
	}
	if (id.isString()) {
		QString sid = id.toString();
		foreach (const ManagedProperty& mp, properties)
			if (mp.name == sid) 
				return engine->newVariant(mp.valueToQVariant());
		return QScriptValue();
	}
	engine->currentContext()->throwError(tr("Unknown variable %1").arg(id.toString()));
	return QScriptValue();
}