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LimeReport/limereport/lrgroupfunctions.cpp
Rodrigo Torres 67d8146b9c WIP
2021-08-24 04:22:30 -03:00

298 lines
9.9 KiB
C++

/***************************************************************************
* This file is part of the Lime Report project *
* Copyright (C) 2021 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 "lrgroupfunctions.h"
#include "lrdatasourcemanager.h"
#include "lrbanddesignintf.h"
#include "lritemdesignintf.h"
#include "lrscriptenginemanager.h"
#include "lrpageitemdesignintf.h"
#if QT_VERSION < 0x060000
#include <QRegExp>
#endif
namespace LimeReport {
void GroupFunction::slotBandRendered(BandDesignIntf *band)
{
ScriptEngineManager& sm = ScriptEngineManager::instance();
#if QT_VERSION < 0x060000
QRegExp rxField(Const::FIELD_RX);
QRegExp rxVar(Const::VARIABLE_RX);
#else
QRegularExpression rxField(Const::FIELD_RX);
QRegularExpression rxVar(Const::VARIABLE_RX);
#endif
switch (m_dataType){
case Field:{
#if QT_VERSION < 0x060000
if (rxField.indexIn(m_data) != -1){
QString field = rxField.cap(1);
#else
QRegularExpressionMatch matchField = rxField.match(m_data);
if(matchField.hasMatch()){
QString field = matchField.captured(1);
#endif
if (m_dataManager->containsField(field)){
m_values.push_back(m_dataManager->fieldData(field));
m_valuesByBand.insert(band, m_dataManager->fieldData(field));
} else {
setInvalid(tr("Field \"%1\" not found").arg(m_data));
}
}
break;
}
case Variable:{
#if QT_VERSION < 0x060000
if (rxVar.indexIn(m_data) != -1){
QString var = rxVar.cap(1);
#else
QRegularExpressionMatch matchVar = rxVar.match(m_data);
if(matchVar.hasMatch()){
QString var = matchVar.captured(1);
#endif
if (m_dataManager->containsVariable(var)){
m_values.push_back(m_dataManager->variable(var));
m_valuesByBand.insert(band, m_dataManager->variable(var));
} else {
setInvalid(tr("Variable \"%1\" not found").arg(m_data));
}
}
break;
}
case Script:
{
QVariant value = sm.evaluateScript(m_data);
if (value.isValid()){
m_values.push_back(value);
m_valuesByBand.insert(band, value);
} else {
setInvalid(tr("Wrong script syntax \"%1\" ").arg(m_data));
}
break;
}
case ContentItem:{
QString itemName = m_data;
ContentItemDesignIntf* item = dynamic_cast<ContentItemDesignIntf*>(band->childByName(itemName.remove('"')));
if (item){
m_values.push_back(item->content());
m_valuesByBand.insert(band, item->content());
} else if (m_name.compare("COUNT",Qt::CaseInsensitive) == 0) {
m_values.push_back(1);
m_valuesByBand.insert(band, 1);
} else setInvalid(tr("Item \"%1\" not found").arg(m_data));
break;
}
default:
break;
}
}
void GroupFunction::slotBandReRendered(BandDesignIntf *oldBand, BandDesignIntf *newBand)
{
if (m_valuesByBand.contains(oldBand)){
m_valuesByBand.insert(newBand, m_valuesByBand.value(oldBand));
m_valuesByBand.remove(oldBand);
}
}
QVariant GroupFunction::addition(QVariant value1, QVariant value2)
{
return value1.toDouble()+value2.toDouble();
}
QVariant GroupFunction::subtraction(QVariant value1, QVariant value2)
{
return value1.toDouble()-value2.toDouble();
}
QVariant GroupFunction::division(QVariant value1, QVariant value2)
{
return value1.toDouble() / value2.toDouble();
}
QVariant GroupFunction::multiplication(QVariant value1, QVariant value2)
{
return value1.toDouble() * value2.toDouble();
}
GroupFunction::GroupFunction(const QString &expression, const QString &dataBandName, DataSourceManager* dataManager)
:m_data(expression), m_dataBandName(dataBandName), m_dataManager(dataManager), m_isValid(true), m_errorMessage("")
{
#if QT_VERSION < 0x060000
QRegExp rxField(Const::FIELD_RX,Qt::CaseInsensitive);
QRegExp rxVariable(Const::VARIABLE_RX,Qt::CaseInsensitive);
QRegExp rxScript(Const::SCRIPT_RX,Qt::CaseInsensitive);
#else
QRegularExpression rxField(Const::FIELD_RX, QRegularExpression::CaseInsensitiveOption);
QRegularExpression rxVariable(Const::VARIABLE_RX, QRegularExpression::CaseInsensitiveOption);
QRegularExpression rxScript(Const::SCRIPT_RX, QRegularExpression::CaseInsensitiveOption);
#endif
#if QT_VERSION < 0x060000
if (rxScript.indexIn(expression) != -1){
#else
QRegularExpressionMatch matchScript = rxScript.match(expression);
if(matchScript.hasMatch()){
#endif
m_dataType = Script;
return;
}
#if QT_VERSION < 0x060000
if (rxField.indexIn(expression) != -1){
#else
QRegularExpressionMatch matchField = rxField.match(expression);
if(matchField.hasMatch()){
#endif
m_dataType=Field;
return;
}
#if QT_VERSION < 0x060000
if (rxVariable.indexIn(expression) != -1){
#else
QRegularExpressionMatch matchVariable = rxVariable.match(expression);
if(matchVariable.hasMatch()){
#endif
m_dataType = Variable;
return;
}
m_dataType = ContentItem;
}
GroupFunction *GroupFunctionFactory::createGroupFunction(const QString &functionName, const QString &expression, const QString& dataBandName, DataSourceManager *dataManager)
{
if (m_creators.contains(functionName)){
return m_creators.value(functionName)->createFunction(expression, dataBandName, dataManager);
}
return 0;
}
GroupFunctionFactory::~GroupFunctionFactory()
{
foreach(GroupFunctionCreator* creator, m_creators.values()){
delete creator;
}
m_creators.clear();
}
QVariant SumGroupFunction::calculate(PageItemDesignIntf *page)
{
QVariant res = 0;
if (!page){
foreach(QVariant value,values()){
res = addition(res,value);
}
} else {
foreach (BandDesignIntf* band, page->bands()) {
res = addition(res, m_valuesByBand.value(band));
}
}
return res;
}
QVariant AvgGroupFunction::calculate(PageItemDesignIntf *page)
{
QVariant res = QVariant();
if (!page){
foreach(QVariant value,values()){
res=addition(res,value);
}
} else {
foreach (BandDesignIntf* band, page->bands()) {
res = addition(res, m_valuesByBand.value(band));
}
}
if (!res.isNull()&&(values().count()>0)){
res=division(res,values().count());
}
return res;
}
QVariant MinGroupFunction::calculate(PageItemDesignIntf *page)
{
//TODO: check variant type
QVariant res = QVariant();
if (!page){
if (!values().empty()) res = values().at(0);
foreach(QVariant value, values()){
if (res.toDouble() > value.toDouble()) res = value;
}
} else {
if (!page->bands().empty()) res = m_valuesByBand.value(page->bands().at(0));
foreach (BandDesignIntf* band, page->bands()) {
if (res.toDouble() > m_valuesByBand.value(band).toDouble()) res = m_valuesByBand.value(band);
}
}
return res;
}
QVariant MaxGroupFunction::calculate(PageItemDesignIntf *page)
{
//TODO: check variant type
QVariant res = QVariant();
if (!page){
if (!values().empty()) res = values().at(0);
foreach(QVariant value, values()){
if (res.toDouble() < value.toDouble()) res = value;
}
} else {
if (!page->bands().empty()) res = m_valuesByBand.value(page->bands().at(0));
foreach (BandDesignIntf* band, page->bands()) {
if (res.toDouble() < m_valuesByBand.value(band).toDouble()) res = m_valuesByBand.value(band);
}
}
return res;
}
QVariant CountGroupFunction::calculate(PageItemDesignIntf *page){
if (!page){
return values().count();
} else {
int res = 0;
foreach (BandDesignIntf* band, page->bands()) {
if (!m_valuesByBand.value(band).isNull()){
res++;
}
}
return res;
}
}
} //namespace LimeReport