/***************************************************************************
* This file is part of the Lime Report project *
* Copyright (C) 2015 by Alexander Arin *
* arin_a@bk.ru *
* *
** GNU General Public License Usage **
* *
* This library 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 3 of the License, or *
* (at your option) any later version. *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
** GNU Lesser General Public License **
* *
* This library is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library. *
* If not, see <http://www.gnu.org/licenses/>. *
* *
* This library 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. *
****************************************************************************/
#ifndef LRSCRIPTENGINEMANAGER_H
#define LRSCRIPTENGINEMANAGER_H
#include <QtScript/QScriptEngine>
#include <QVector>
#include <QIcon>
#include <QAbstractItemModel>
#include <QDebug>
#include <QtGlobal>
#include <QScriptable>
#include <QFont>
#ifdef HAVE_UI_LOADER
#include <QDialog>
#endif
#include "base/lrsingleton.h"
#include "lrscriptenginemanagerintf.h"
#include "lrcollection.h"
namespace LimeReport{
class DataSourceManager;
struct ScriptFunctionDesc{
enum FuncType {Native,Script};
QScriptValue scriptValue;
QString name;
QString description;
QString category;
FuncType type;
};
class ScriptEngineNode {
public:
enum NodeType{Root,Category,Function,Dialog,DialogElement};
ScriptEngineNode(const QString& name="", const QString& description ="", NodeType type=Root, ScriptEngineNode* parent=0, const QIcon& icon=QIcon())
:m_name(name), m_description(description), m_icon(icon), m_type(type), m_parent(parent){}
virtual ~ScriptEngineNode();
int childCount(){return m_childs.count();}
ScriptEngineNode* child(int index){return m_childs[index];}
ScriptEngineNode* parent(){return m_parent;}
ScriptEngineNode* addChild(const QString& name="", const QString &description="", NodeType type=Root, const QIcon& icon=QIcon());
int row();
QString name(){return m_name;}
QString description(){return m_description;}
QIcon icon(){return m_icon;}
void clear();
NodeType type(){return m_type;}
private:
QString m_name;
QString m_description;
QIcon m_icon;
NodeType m_type;
ScriptEngineNode* m_parent;
QVector<ScriptEngineNode*> m_childs;
};
class ScriptEngineManager;
class ScriptEngineModel : public QAbstractItemModel{
Q_OBJECT
public:
friend class ScriptEngineManager;
explicit ScriptEngineModel():m_scriptManager(0), m_rootNode(new ScriptEngineNode()){}
explicit ScriptEngineModel(ScriptEngineManager* scriptManager);
~ScriptEngineModel();
QModelIndex parent(const QModelIndex &child) const;
QModelIndex index(int row, int column, const QModelIndex &parent) const;
int rowCount(const QModelIndex &parent) const;
int columnCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
void setScriptEngineManager(ScriptEngineManager* scriptManager);
inline ScriptEngineManager* scriptEngineManager(){return m_scriptManager;}
private slots:
void slotScriptEngineChanged();
private:
ScriptEngineNode* nodeFromIndex(const QModelIndex &index) const;
void updateModel();
private:
ScriptEngineManager* m_scriptManager;
ScriptEngineNode* m_rootNode;
};
class DialogDescriber : public QObject
{
Q_OBJECT
Q_PROPERTY(QString name READ name WRITE setName)
Q_PROPERTY(QByteArray description READ description WRITE setDescription)
public:
typedef QSharedPointer<DialogDescriber> Ptr;
static Ptr create(const QString& name, const QByteArray &desc);
static Ptr create(){return Ptr(new DialogDescriber);}
QString name() const;
void setName(const QString& name);
QByteArray description() const;
void setDescription(const QByteArray& description);
private :
QString m_name;
QByteArray m_description;
};
class ScriptEngineContext : public QObject, public ICollectionContainer
{
Q_OBJECT
Q_PROPERTY(ACollectionProperty dialogs READ fakeCollectionReader)
Q_PROPERTY(QString initScript READ initScript WRITE setInitScript)
public:
#ifdef HAVE_UI_LOADER
typedef QSharedPointer<QDialog> DialogPtr;
#endif
explicit ScriptEngineContext(QObject* parent=0):QObject(parent){}
#ifdef HAVE_UI_LOADER
void addDialog(const QString& name, const QByteArray &description);
bool previewDialog(const QString& dialogName);
bool containsDialog(const QString& dialogName);
const QVector<DialogDescriber::Ptr>& dialogsDescriber(){return m_dialogs;}
void deleteDialog(const QString& dialogName);
QDialog *getDialog(const QString &dialogName);
#endif
void clear();
QString initScript() const;
void setInitScript(const QString& initScript);
protected:
QObject* createElement(const QString& collectionName,const QString& elementType);
int elementsCount(const QString& collectionName);
QObject* elementAt(const QString& collectionName,int index);
void collectionLoadFinished(const QString &collectionName);
#ifdef HAVE_UI_LOADER
QDialog *createDialog(DialogDescriber *cont);
QDialog *findDialog(const QString &dialogName);
DialogDescriber* findDialogContainer(const QString& dialogName);
#endif
private:
#ifdef HAVE_UI_LOADER
QVector<DialogDescriber::Ptr> m_dialogs;
QList<DialogPtr> m_createdDialogs;
#endif
QString m_lastError;
QString m_initScript;
};
class ScriptEngineManager : public QObject, public Singleton<ScriptEngineManager>, public IScriptEngineManager
{
Q_OBJECT
public:
QScriptEngine* scriptEngine(){return m_scriptEngine;}
~ScriptEngineManager();
friend class Singleton<ScriptEngineManager>;
bool isFunctionExists(const QString& functionName) const;
void deleteFunction(const QString& functionsName);
bool addFunction(const QString& name, QScriptEngine::FunctionSignature function,
const QString& category="", const QString& description="");
bool addFunction(const QString &name, const QString& script,
const QString &category="", const QString &description="");
const QString& lastError() const {return m_lastError;}
QStringList functionsNames();
const QList<ScriptFunctionDesc>& functionsDescriber(){return m_functions;}
ScriptEngineModel* model(){return m_model;}
void setContext(ScriptEngineContext* context){m_context=context;}
DataSourceManager* dataManager() const {return m_dataManager;}
void setDataManager(DataSourceManager* dataManager);
QString expandUserVariables(QString context, RenderPass pass, ExpandType expandType, QVariant &varValue);
QString expandDataFields(QString context, ExpandType expandType, QVariant &varValue, QObject* reportItem);
QString expandScripts(QString context, QVariant &varValue, QObject* reportItem);
QVariant evaluateScript(const QString &script);
protected:
void updateModel();
bool containsFunction(const QString &functionName);
private:
Q_DISABLE_COPY(ScriptEngineManager)
private:
ScriptEngineManager();
QScriptEngine* m_scriptEngine;
QString m_lastError;
QList<ScriptFunctionDesc> m_functions;
ScriptEngineModel* m_model;
ScriptEngineContext* m_context;
DataSourceManager* m_dataManager;
};
class ScriptExtractor
{
public:
enum State{None,BuksFound,SFound,StartScriptFound,OpenBracketFound,CloseBracketFound,DFound,VFound, SignFound};
explicit ScriptExtractor(const QString& value):m_context(value){}
bool parse();
int count(){return m_scriptsBody.count();}
QString bodyAt(int index){return m_scriptsBody[index];}
QString scriptAt(int index){return m_scriptsStartLex[index]+m_scriptsBody[index]+'}';}
private:
static const char SCRIPT_SIGN = 'S';
static const char FIELD_SIGN = 'D';
static const char VARIABLE_SIGN = 'V';
bool isStartLexem(int &curPos, QChar value);
bool parse(int& curPos, const State &state);
void skipField(int &curPos);
void extractScript(int& curPos, const QString &startStr);
bool extractBracket(int& curPos);
bool isStartScriptLexem(int &curPos);
bool isStartFieldLexem(int &curPos);
bool isStartVariableLexem(int &curPos);
QString substring(const QString& value, int start, int end);
private:
QString m_context;
QVector<QString> m_scriptsBody;
QVector<QString> m_scriptsStartLex;
};
class QFontPrototype : public QObject, public QScriptable {
Q_OBJECT
Q_PROPERTY(QString family READ family)
Q_PROPERTY(int size READ size)
Q_PROPERTY(bool bold READ bold)
Q_PROPERTY(bool italic READ italic)
Q_PROPERTY(bool underline READ underline)
public:
QFontPrototype(QObject * parent = NULL) : QObject(parent) , QScriptable() {
this->setObjectName("QFontPrototype");
}
QString family() const {
QFont font(qScriptValueToValue<QFont>(this->thisObject()));
return font.family();
}
int size(){
QFont font = qScriptValueToValue<QFont>(thisObject());
return font.pointSize();
}
bool bold(){
QFont font = qScriptValueToValue<QFont>(thisObject());
return font.bold();
}
bool italic(){
QFont font = qScriptValueToValue<QFont>(thisObject());
return font.italic();
}
bool underline(){
QFont font = qScriptValueToValue<QFont>(thisObject());
return font.underline();
}
static QScriptValue constructorQFont(QScriptContext * context, QScriptEngine * engine) {
QFont font;
switch (context->argumentCount()) {
case 5: font.setUnderline(qScriptValueToValue<bool>(context->argument(4)));
case 4: font.setBold(qScriptValueToValue<bool>(context->argument(3)));
case 3: font.setItalic(qScriptValueToValue<bool>(context->argument(2)));
case 2: font.setPointSize(qScriptValueToValue<int>(context->argument(1)));
case 1: font.setFamily(qScriptValueToValue<QString>(context->argument(0)));
case 0: break;
default:
break;
}
return qScriptValueFromValue<QFont>(engine, font);
}
};
}
#endif // LRSCRIPTENGINEMANAGER_H