mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-26 05:18:11 +03:00
510 lines
17 KiB
C++
510 lines
17 KiB
C++
/***************************************************************************
|
|
* 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. *
|
|
****************************************************************************/
|
|
#include "lrscriptenginemanager.h"
|
|
|
|
#include <QDate>
|
|
#include <QStringList>
|
|
#include <QScriptValueIterator>
|
|
#include "lrdatasourcemanager.h"
|
|
|
|
Q_DECLARE_METATYPE(QColor)
|
|
Q_DECLARE_METATYPE(QFont)
|
|
Q_DECLARE_METATYPE(LimeReport::ScriptEngineManager *)
|
|
|
|
QScriptValue constructColor(QScriptContext *context, QScriptEngine *engine)
|
|
{
|
|
QColor color(context->argument(0).toString());
|
|
return engine->toScriptValue(color);
|
|
}
|
|
|
|
namespace LimeReport{
|
|
|
|
ScriptEngineNode::~ScriptEngineNode()
|
|
{
|
|
for (int i = 0; i<m_childs.count(); ++i){
|
|
delete m_childs[i];
|
|
}
|
|
}
|
|
|
|
ScriptEngineNode*ScriptEngineNode::addChild(const QString& name, const QString& description, ScriptEngineNode::NodeType type, const QIcon& icon)
|
|
{
|
|
ScriptEngineNode* res = new ScriptEngineNode(name, description, type,this,icon);
|
|
m_childs.push_back(res);
|
|
return res;
|
|
}
|
|
|
|
int ScriptEngineNode::row()
|
|
{
|
|
if (m_parent){
|
|
return m_parent->m_childs.indexOf(const_cast<ScriptEngineNode*>(this));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void ScriptEngineNode::clear()
|
|
{
|
|
for (int i=0; i<m_childs.count(); ++i){
|
|
delete m_childs[i];
|
|
}
|
|
m_childs.clear();
|
|
}
|
|
|
|
ScriptEngineModel::ScriptEngineModel(ScriptEngineManager* scriptManager)
|
|
:m_rootNode(new ScriptEngineNode())
|
|
{
|
|
setScriptEngineManager(scriptManager);
|
|
}
|
|
|
|
ScriptEngineModel::~ScriptEngineModel() {
|
|
delete m_rootNode;
|
|
}
|
|
|
|
QModelIndex ScriptEngineModel::parent(const QModelIndex& child) const
|
|
{
|
|
if (!child.isValid()) return QModelIndex();
|
|
|
|
ScriptEngineNode* childNode = nodeFromIndex(child);
|
|
if (!childNode) return QModelIndex();
|
|
|
|
ScriptEngineNode* parentNode = childNode->parent();
|
|
if ((parentNode == m_rootNode) || (!parentNode)) return QModelIndex();
|
|
return createIndex(parentNode->row(),0,parentNode);
|
|
}
|
|
|
|
QModelIndex ScriptEngineModel::index(int row, int column, const QModelIndex& parent) const
|
|
{
|
|
if (!m_rootNode)
|
|
return QModelIndex();
|
|
|
|
if (!hasIndex(row,column,parent))
|
|
return QModelIndex();
|
|
|
|
ScriptEngineNode* parentNode;
|
|
if (parent.isValid()){
|
|
parentNode = nodeFromIndex(parent);
|
|
} else {
|
|
parentNode = m_rootNode;
|
|
}
|
|
|
|
ScriptEngineNode* childNode = parentNode->child(row);
|
|
if (childNode){
|
|
return createIndex(row,column,childNode);
|
|
} else return QModelIndex();
|
|
}
|
|
|
|
int ScriptEngineModel::rowCount(const QModelIndex& parent) const
|
|
{
|
|
if (!m_rootNode) return 0;
|
|
ScriptEngineNode* parentNode;
|
|
if (parent.isValid())
|
|
parentNode = nodeFromIndex(parent);
|
|
else
|
|
parentNode = m_rootNode;
|
|
return parentNode->childCount();
|
|
}
|
|
|
|
int ScriptEngineModel::columnCount(const QModelIndex& parent) const
|
|
{
|
|
Q_UNUSED(parent)
|
|
return 1;
|
|
}
|
|
|
|
QVariant ScriptEngineModel::data(const QModelIndex& index, int role) const
|
|
{
|
|
ScriptEngineNode *node = nodeFromIndex(index);
|
|
switch (role) {
|
|
case Qt::DisplayRole:
|
|
if (!node) return QVariant();
|
|
return node->name();
|
|
break;
|
|
case Qt::DecorationRole :
|
|
if (!node) return QIcon();
|
|
return node->icon();
|
|
break;
|
|
default:
|
|
return QVariant();
|
|
}
|
|
}
|
|
|
|
void ScriptEngineModel::setScriptEngineManager(ScriptEngineManager* scriptManager)
|
|
{
|
|
m_scriptManager = scriptManager;
|
|
updateModel();
|
|
}
|
|
|
|
void ScriptEngineModel::slotScriptEngineChanged()
|
|
{
|
|
updateModel();
|
|
}
|
|
|
|
ScriptEngineNode*ScriptEngineModel::nodeFromIndex(const QModelIndex& index) const
|
|
{
|
|
if (index.isValid()){
|
|
return static_cast<ScriptEngineNode*>(index.internalPointer());
|
|
} else return m_rootNode;
|
|
}
|
|
|
|
void ScriptEngineModel::updateModel()
|
|
{
|
|
beginResetModel();
|
|
m_rootNode->clear();
|
|
QMap<QString,ScriptEngineNode*> categories;
|
|
foreach(ScriptFunctionDesc funcDesc, m_scriptManager->functionsDescriber()){
|
|
ScriptEngineNode* categ;
|
|
QString categoryName = (!funcDesc.category.isEmpty())?funcDesc.category:"NO CATEGORY";
|
|
if (categories.contains(categoryName)){
|
|
categ = categories.value(categoryName);
|
|
} else {
|
|
categ = m_rootNode->addChild(categoryName,"",ScriptEngineNode::Category,QIcon(":/report/images/folder"));
|
|
categories.insert(categoryName,categ);
|
|
}
|
|
categ->addChild(funcDesc.name,funcDesc.description,ScriptEngineNode::Function,QIcon(":/report/images/function"));
|
|
}
|
|
//reset();
|
|
endResetModel();
|
|
}
|
|
|
|
QScriptValue line(QScriptContext* pcontext, QScriptEngine* pengine){
|
|
ScriptEngineManager* sm = qscriptvalue_cast<ScriptEngineManager*>(pcontext->callee().data());
|
|
DataSourceManager* dm = sm->dataManager();
|
|
QString band = pcontext->argument(0).toString();
|
|
QScriptValue res;
|
|
QString varName = QLatin1String("line_")+band.toLower();
|
|
if (dm->variable(varName).isValid()){
|
|
res=pengine->newVariant(dm->variable(varName));
|
|
} else res=pengine->newVariant(QString("Variable line for band %1 not found").arg(band));
|
|
return res;
|
|
}
|
|
|
|
QScriptValue numberFormat(QScriptContext* pcontext, QScriptEngine* pengine){
|
|
QVariant value = pcontext->argument(0).toVariant();
|
|
char format = (pcontext->argumentCount()>1)?pcontext->argument(1).toString()[0].toLatin1():'f';
|
|
int precision = (pcontext->argumentCount()>2)?pcontext->argument(2).toInt32():2;
|
|
QString locale = (pcontext->argumentCount()>3)?pcontext->argument(3).toString():"";
|
|
QScriptValue res = (locale.isEmpty())?pengine->newVariant(QString::number(value.toDouble(),format,precision)):
|
|
pengine->newVariant(QLocale(locale).toString(value.toDouble(),format,precision));
|
|
return res;
|
|
}
|
|
|
|
QScriptValue dateFormat(QScriptContext* pcontext, QScriptEngine* pengine){
|
|
QVariant value = pcontext->argument(0).toVariant();
|
|
QString format = (pcontext->argumentCount()>1)?pcontext->argument(1).toString().toLatin1():"dd.MM.yyyy";
|
|
QScriptValue res = pengine->newVariant(QLocale().toString(value.toDate(),format));
|
|
return res;
|
|
}
|
|
|
|
QScriptValue timeFormat(QScriptContext* pcontext, QScriptEngine* pengine){
|
|
QVariant value = pcontext->argument(0).toVariant();
|
|
QString format = (pcontext->argumentCount()>1)?pcontext->argument(1).toString().toLatin1():"hh:mm";
|
|
QScriptValue res = pengine->newVariant(QLocale().toString(value.toTime(),format));
|
|
return res;
|
|
}
|
|
|
|
QScriptValue dateTimeFormat(QScriptContext* pcontext, QScriptEngine* pengine){
|
|
QVariant value = pcontext->argument(0).toVariant();
|
|
QString format = (pcontext->argumentCount()>1)?pcontext->argument(1).toString().toLatin1():"dd.MM.yyyy hh:mm";
|
|
QScriptValue res = pengine->newVariant(QLocale().toString(value.toDateTime(),format));
|
|
return res;
|
|
}
|
|
|
|
QScriptValue now(QScriptContext* /*pcontext*/, QScriptEngine* pengine){
|
|
return pengine->newVariant(QDateTime::currentDateTime());
|
|
}
|
|
|
|
QScriptValue date(QScriptContext* /*pcontext*/, QScriptEngine* pengine){
|
|
return pengine->newVariant(QDate::currentDate());
|
|
}
|
|
|
|
QScriptValue callGroupFunction(const QString& functionName, QScriptContext* pcontext, QScriptEngine* pengine){
|
|
|
|
ScriptEngineManager* sm = qscriptvalue_cast<ScriptEngineManager*>(pcontext->callee().data());
|
|
DataSourceManager* dm = sm->dataManager();
|
|
|
|
QString expression = pcontext->argument(0).toString();
|
|
QString band = pcontext->argument(1).toString();
|
|
QScriptValue res;
|
|
GroupFunction* gf = dm->groupFunction(functionName,expression,band);
|
|
if (gf){
|
|
if (gf->isValid()){
|
|
res=pengine->newVariant(gf->calculate());
|
|
}else{
|
|
res=pengine->newVariant(gf->error());
|
|
}
|
|
}
|
|
else {
|
|
res=pengine->newVariant(QString(QObject::tr("Function %1 not found or have wrong arguments").arg(functionName)));
|
|
}
|
|
return res;
|
|
}
|
|
|
|
QScriptValue groupFunction(QScriptContext* pcontext, QScriptEngine* pengine){
|
|
return callGroupFunction(pcontext->callee().property("functionName").toString(),pcontext,pengine);
|
|
}
|
|
|
|
ScriptEngineManager::~ScriptEngineManager()
|
|
{
|
|
delete m_model;
|
|
m_model = 0;
|
|
delete m_scriptEngine;
|
|
}
|
|
|
|
bool ScriptEngineManager::isFunctionExists(const QString &functionName) const
|
|
{
|
|
foreach (ScriptFunctionDesc desc, m_functions) {
|
|
if (desc.name.compare(functionName,Qt::CaseInsensitive)==0){
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void ScriptEngineManager::deleteFunction(const QString &functionsName)
|
|
{
|
|
QMutableListIterator<ScriptFunctionDesc> it(m_functions);
|
|
while(it.hasNext()){
|
|
if (it.next().name.compare(functionsName, Qt::CaseInsensitive)==0){
|
|
it.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
QScriptValue ScriptEngineManager::addFunction(const QString& name,
|
|
QScriptEngine::FunctionSignature function,
|
|
const QString& category,
|
|
const QString& description)
|
|
{
|
|
ScriptFunctionDesc funct;
|
|
funct.name = name;
|
|
funct.description = description;
|
|
funct.category = category;
|
|
funct.scriptValue = scriptEngine()->newFunction(function);
|
|
funct.scriptValue.setProperty("functionName",name);
|
|
funct.scriptValue.setData(m_scriptEngine->toScriptValue(this));
|
|
funct.type = ScriptFunctionDesc::Native;
|
|
m_functions.append(funct);
|
|
if (m_model)
|
|
m_model->updateModel();
|
|
return funct.scriptValue;
|
|
}
|
|
|
|
QScriptValue ScriptEngineManager::addFunction(const QString& name, const QString& script, const QString& category, const QString& description)
|
|
{
|
|
QScriptSyntaxCheckResult cr = m_scriptEngine->checkSyntax(script);
|
|
if (cr.state() == QScriptSyntaxCheckResult::Valid){
|
|
ScriptFunctionDesc funct;
|
|
funct.scriptValue = m_scriptEngine->evaluate(script);
|
|
funct.name = name;
|
|
funct.category = category;
|
|
funct.description = description;
|
|
funct.type = ScriptFunctionDesc::Script;
|
|
funct.scriptValue.setData(m_scriptEngine->toScriptValue(this));
|
|
m_functions.append(funct);
|
|
m_model->updateModel();
|
|
return funct.scriptValue;
|
|
} else {
|
|
m_lastError = cr.errorMessage();
|
|
return QScriptValue();
|
|
}
|
|
}
|
|
|
|
QStringList ScriptEngineManager::functionsNames()
|
|
{
|
|
QStringList res;
|
|
foreach(ScriptFunctionDesc func, m_functions){
|
|
res<<func.name;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
void ScriptEngineManager::setDataManager(DataSourceManager *dataManager){
|
|
if (m_dataManager != dataManager){
|
|
m_dataManager = dataManager;
|
|
if (m_dataManager){
|
|
foreach(QString func, m_dataManager->groupFunctionNames()){
|
|
if (isFunctionExists(func)) deleteFunction(func);
|
|
addFunction(func, groupFunction,"GROUP FUNCTIONS", func+"(\""+tr("FieldName")+"\",\""+tr("BandName")+"\")");
|
|
}
|
|
foreach(ScriptFunctionDesc func, m_functions){
|
|
if (func.type==ScriptFunctionDesc::Native)
|
|
m_scriptEngine->globalObject().setProperty(func.name,func.scriptValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ScriptEngineManager::ScriptEngineManager()
|
|
:m_model(0), m_dataManager(0)
|
|
{
|
|
m_scriptEngine = new QScriptEngine;
|
|
|
|
//addFunction("dateToStr",dateToStr,"DATE", "dateToStr(\"value\",\"format\")");
|
|
addFunction("line",line,"SYSTEM", "line(\""+tr("BandName")+"\")");
|
|
addFunction("numberFormat",numberFormat,"NUMBER", "numberFormat(\""+tr("Value")+"\",\""+tr("Format")+"\",\""+
|
|
tr("Precision")+"\",\""+
|
|
tr("Locale")+"\")");
|
|
addFunction("dateFormat",dateFormat,"DATE&TIME", "dateFormat(\""+tr("Value")+"\",\""+tr("Format")+"\")");
|
|
addFunction("timeFormat",timeFormat,"DATE&TIME", "dateFormat(\""+tr("Value")+"\",\""+tr("Format")+"\")");
|
|
addFunction("dateTimeFormat", dateTimeFormat, "DATE&TIME", "dateTimeFormat(\""+tr("Value")+"\",\""+tr("Format")+"\")");
|
|
addFunction("date",date,"DATE&TIME","date()");
|
|
addFunction("now",now,"DATE&TIME","now()");
|
|
|
|
QScriptValue colorCtor = m_scriptEngine->newFunction(constructColor);
|
|
m_scriptEngine->globalObject().setProperty("QColor", colorCtor);
|
|
|
|
QScriptValue fontProto(m_scriptEngine->newQObject(new QFontPrototype,QScriptEngine::ScriptOwnership));
|
|
m_scriptEngine->setDefaultPrototype(qMetaTypeId<QFont>(), fontProto);
|
|
QScriptValue fontConstructor = m_scriptEngine->newFunction(QFontPrototype::constructorQFont, fontProto);
|
|
m_scriptEngine->globalObject().setProperty("QFont", fontConstructor);
|
|
|
|
// foreach(QString func, dataManager()->groupFunctionNames()){
|
|
// addFunction(func, groupFunction,"GROUP FUNCTIONS", func+"(\""+tr("FieldName")+"\",\""+tr("BandName")+"\")");
|
|
// }
|
|
|
|
foreach(ScriptFunctionDesc func, m_functions){
|
|
if (func.type==ScriptFunctionDesc::Native)
|
|
m_scriptEngine->globalObject().setProperty(func.name,func.scriptValue);
|
|
}
|
|
|
|
m_model = new ScriptEngineModel(this);
|
|
|
|
}
|
|
|
|
bool ScriptExtractor::parse()
|
|
{
|
|
int currentPos = 0;
|
|
parse(currentPos,None);
|
|
return m_scriptsBody.count()>0;
|
|
|
|
}
|
|
|
|
bool ScriptExtractor::parse(int &curPos,const State& state)
|
|
{
|
|
while (curPos<m_context.length()){
|
|
switch (state) {
|
|
case OpenBracketFound:
|
|
if (m_context[curPos]=='}'){
|
|
return true;
|
|
} else {
|
|
if (m_context[curPos]=='{')
|
|
extractBracket(curPos);
|
|
}
|
|
case None:
|
|
if (m_context[curPos]=='$'){
|
|
int startPos = curPos;
|
|
if (isStartScriptLexem(curPos))
|
|
extractScript(curPos,substring(m_context,startPos,curPos));
|
|
if (isStartFieldLexem(curPos) || isStartVariableLexem(curPos))
|
|
skipField(curPos);
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
curPos++;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void ScriptExtractor::extractScript(int &curPos, const QString& startStr)
|
|
{
|
|
int startPos = curPos;
|
|
if (extractBracket(curPos)){
|
|
QString scriptBody = substring(m_context,startPos+1,curPos);
|
|
m_scriptsBody.push_back(scriptBody);
|
|
m_scriptsStartLex.push_back(startStr+'{');
|
|
}
|
|
}
|
|
|
|
void ScriptExtractor::skipField(int &curPos){
|
|
while (curPos<m_context.length()) {
|
|
if (m_context[curPos]=='}'){
|
|
return;
|
|
} else {
|
|
curPos++;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool ScriptExtractor::extractBracket(int &curPos)
|
|
{
|
|
curPos++;
|
|
return parse(curPos,OpenBracketFound);
|
|
}
|
|
|
|
bool ScriptExtractor::isStartLexem(int& curPos, QChar value){
|
|
int pos = curPos+1;
|
|
State ls = BuksFound;
|
|
while (pos<m_context.length()){
|
|
switch (ls){
|
|
case BuksFound:
|
|
if (m_context[pos]==value){
|
|
ls = SignFound;
|
|
} else {
|
|
if (m_context[pos]!=' ')
|
|
return false;
|
|
}
|
|
break;
|
|
case SignFound:
|
|
if (m_context[pos]=='{'){
|
|
curPos=pos;
|
|
return true;
|
|
} else
|
|
if (m_context[pos]!=' ')
|
|
return false;
|
|
default:
|
|
break;
|
|
}
|
|
pos++;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool ScriptExtractor::isStartScriptLexem(int& curPos)
|
|
{
|
|
return isStartLexem(curPos, SCRIPT_SIGN);
|
|
}
|
|
|
|
bool ScriptExtractor::isStartFieldLexem(int& curPos){
|
|
return isStartLexem(curPos, FIELD_SIGN);
|
|
}
|
|
|
|
bool ScriptExtractor::isStartVariableLexem(int &curPos)
|
|
{
|
|
return isStartLexem(curPos, VARIABLE_SIGN);
|
|
}
|
|
|
|
|
|
QString ScriptExtractor::substring(const QString &value, int start, int end)
|
|
{
|
|
return value.mid(start,end-start);
|
|
}
|
|
|
|
} //namespace LimeReport
|
|
|