Change to subforder project model.

limereport/lrgroupfunctions.cpp

@@ -0,0 +1,173 @@
+/***************************************************************************
+ *   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 "lrgroupfunctions.h"
+#include "lrdatasourcemanager.h"
+#include "lrbanddesignintf.h"
+#include "lritemdesignintf.h"
+
+#include <QRegExp>
+
+namespace LimeReport {
+
+void GroupFunction::slotBandRendered(BandDesignIntf *band)
+{
+    switch (m_dataType){
+    case Field:
+        if (m_dataManager->containsField(m_data)){
+            m_values.push_back(m_dataManager->fieldData(m_data));
+        } else {
+            setInvalid(tr("Field \"%1\" not found").arg(m_data));
+        }
+        break;
+    case Variable:
+        if (m_dataManager->containsVariable(m_data)){
+            m_values.push_back(m_dataManager->variable(m_data));
+        } else {
+            setInvalid(tr("Variable \"%1\" not found").arg(m_data));
+        }
+        break;
+    case ContentItem:{
+        ContentItemDesignIntf* item = dynamic_cast<ContentItemDesignIntf*>(band->childByName(m_data));
+        if (item)
+            m_values.push_back(item->content());
+        else setInvalid(tr("Item \"%1\" not found").arg(m_data));
+        break;
+    }
+    default:
+        break;
+    }
+}
+
+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_dataBandName(dataBandName), m_dataManager(dataManager),m_isValid(true), m_errorMessage("")
+{
+    QRegExp rxField(Const::FIELD_RX,Qt::CaseInsensitive);
+    if (rxField.indexIn(expression)>=0){
+        m_dataType=Field;
+        m_data = rxField.cap(1);
+        return;
+    }
+
+    QRegExp rxVariable(Const::VARIABLE_RX,Qt::CaseInsensitive);
+    if (rxVariable.indexIn(expression)>=0){
+        m_dataType=Variable;
+        m_data = rxVariable.cap(1);
+        return;
+    }
+
+    m_dataType = ContentItem;
+    m_data = expression;
+    m_data = m_data.remove('"');
+
+}
+
+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()
+{
+    QVariant res=0;
+    foreach(QVariant value,values()){
+        res=addition(res,value);
+    }
+    return res;
+}
+
+QVariant AvgGroupFunction::calculate()
+{
+    QVariant res=QVariant();
+    foreach(QVariant value,values()){
+        res=addition(res,value);
+    }
+    if (!res.isNull()&&(values().count()>0)){
+        res=division(res,values().count());
+    }
+    return res;
+}
+
+QVariant MinGroupFunction::calculate()
+{
+    //TODO: check variant type
+    QVariant res = QVariant();
+    if (!values().empty()) res = values().at(0);
+    foreach(QVariant value, values()){
+        if (res.toDouble()>value.toDouble()) res = value;
+    }
+
+    return res;
+}
+
+QVariant MaxGroupFunction::calculate()
+{
+    //TODO: check variant type
+    QVariant res = QVariant();
+    if (!values().empty()) res = values().at(0);
+    foreach(QVariant value, values()){
+        if (res.toDouble()<value.toDouble()) res = value;
+    }
+
+    return res;
+}
+
+} //namespace LimeReport
+