mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-25 21:14:39 +03:00
1422 lines
45 KiB
C++
1422 lines
45 KiB
C++
/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2015 by Alexander Arin *
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* arin_a@bk.ru *
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* *
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** GNU General Public License Usage **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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** GNU Lesser General Public License **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library. *
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* If not, see <http://www.gnu.org/licenses/>. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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****************************************************************************/
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#include "lrdatasourcemanager.h"
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#include "lrdatadesignintf.h"
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#include <QStringList>
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#include <QSqlQuery>
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#include <QRegExp>
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#include <QSqlError>
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#include <QSqlQueryModel>
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#include <QFileInfo>
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#include <stdexcept>
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namespace LimeReport{
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DataNode::~DataNode()
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{
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for (int i = 0; i<m_childs.count(); ++i){
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delete m_childs[i];
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}
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}
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DataNode*DataNode::addChild(const QString& name, DataNode::NodeType type, const QIcon& icon)
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{
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DataNode* res = new DataNode(name,type,this,icon);
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m_childs.push_back(res);
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return res;
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}
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int DataNode::row()
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{
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if (m_parent){
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return m_parent->m_childs.indexOf(const_cast<DataNode*>(this));
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}
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return 0;
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}
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void DataNode::clear()
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{
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for (int i=0; i<m_childs.count(); ++i){
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delete m_childs[i];
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}
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m_childs.clear();
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}
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DataSourceModel::DataSourceModel(DataSourceManager* dataManager)
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:m_dataManager(0), m_rootNode(new DataNode())
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{
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setDataSourceManager(dataManager);
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}
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DataSourceModel::~DataSourceModel()
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{
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delete m_rootNode;
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}
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QModelIndex DataSourceModel::index(int row, int column, const QModelIndex& parent) const
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{
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if (!m_rootNode)
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return QModelIndex();
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if (!hasIndex(row,column,parent))
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return QModelIndex();
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DataNode* parentNode;
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if (parent.isValid()){
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parentNode = nodeFromIndex(parent);
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} else {
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parentNode = m_rootNode;
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}
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DataNode* childNode = parentNode->child(row);
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if (childNode){
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return createIndex(row,column,childNode);
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} else return QModelIndex();
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}
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QModelIndex DataSourceModel::parent(const QModelIndex& child) const
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{
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if (!child.isValid()) return QModelIndex();
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DataNode* childNode = nodeFromIndex(child);
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if (!childNode) return QModelIndex();
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DataNode* parentNode = childNode->parent();
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if ((parentNode == m_rootNode) || (!parentNode)) return QModelIndex();
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return createIndex(parentNode->row(),0,parentNode);
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}
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int DataSourceModel::rowCount(const QModelIndex& parent) const
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{
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if (!m_rootNode) return 0;
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DataNode* parentNode;
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if (parent.isValid())
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parentNode = nodeFromIndex(parent);
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else
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parentNode = m_rootNode;
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return parentNode->childCount();
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}
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int DataSourceModel::columnCount(const QModelIndex& parent) const
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{
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Q_UNUSED(parent)
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return 1;
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}
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QVariant DataSourceModel::data(const QModelIndex& index, int role) const
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{
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DataNode *node = nodeFromIndex(index);
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switch (role) {
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case Qt::DisplayRole:
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if (!node) return QVariant();
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return node->name();
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break;
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case Qt::DecorationRole :
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if (!node) return QIcon();
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return node->icon();
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break;
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default:
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return QVariant();
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}
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}
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void DataSourceModel::setDataSourceManager(DataSourceManager* dataManager)
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{
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m_dataManager = dataManager;
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connect(m_dataManager,SIGNAL(datasourcesChanged()),this,SLOT(slotDatasourcesChanged()));
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updateModel();
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}
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void DataSourceModel::slotDatasourcesChanged()
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{
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beginResetModel();
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updateModel();
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endResetModel();
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}
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DataNode* DataSourceModel::nodeFromIndex(const QModelIndex& index) const
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{
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if (index.isValid()){
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return static_cast<DataNode*>(index.internalPointer());
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} else return m_rootNode;
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}
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void DataSourceModel::fillFields(DataNode* parent)
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{
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foreach(QString name, m_dataManager->fieldNames(parent->name())){
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parent->addChild(name,DataNode::Field,QIcon(":/report/images/field"));
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}
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}
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void DataSourceModel::updateModel()
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{
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QMap<QString,DataNode*> connections;
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m_rootNode->clear();
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DataNode* ds = m_rootNode->addChild(tr("Datasources"),DataNode::DataSources,QIcon(":/report/images/databases"));
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foreach (QString name,m_dataManager->connectionNames()) {
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DataNode* connection = ds->addChild(name,DataNode::Connection,QIcon(":/report/images/database"));
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connections.insert(name,connection);
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}
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foreach (QString name, m_dataManager->dataSourceNames()) {
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DataNode* datasource;
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if (m_dataManager->isQuery(name)){
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DataNode* connection = connections.value(m_dataManager->queryByName(name)->connectionName());
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if (connection) datasource=connection->addChild(name,DataNode::Query,QIcon(":/report/images/table"));
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else datasource=ds->addChild(name,DataNode::Query);
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} else if (m_dataManager->isSubQuery(name)){
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DataNode* connection = connections.value(m_dataManager->subQueryByName(name)->connectionName());
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if (connection) datasource=connection->addChild(name,DataNode::SubQuery,QIcon(":/report/images/table"));
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else datasource=ds->addChild(name,DataNode::SubQuery);
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} else {
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datasource=ds->addChild(name,DataNode::Model,QIcon(":/report/images/table"));
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}
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fillFields(datasource);
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}
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DataNode* vars = m_rootNode->addChild(tr("Variables"),DataNode::Variables,QIcon(":/report/images/folder"));
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foreach (QString name, m_dataManager->variableNames()){
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vars->addChild(name,DataNode::Variable,QIcon(":/report/images/value"));
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}
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vars = m_rootNode->addChild(tr("External variables"),DataNode::Variables,QIcon(":/report/images/folder"));
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foreach (QString name, m_dataManager->namesOfUserVariables()){
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vars->addChild(name,DataNode::Variable,QIcon(":/report/images/value"));
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}
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}
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DataSourceManager::DataSourceManager(QObject *parent) :
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QObject(parent), m_lastError(""), m_designTime(true), m_needUpdate(false), m_dbCredentialsProvider(0)
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{
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m_groupFunctionFactory.registerFunctionCreator(QLatin1String("COUNT"),new ConstructorGroupFunctionCreator<CountGroupFunction>);
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m_groupFunctionFactory.registerFunctionCreator(QLatin1String("SUM"),new ConstructorGroupFunctionCreator<SumGroupFunction>);
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m_groupFunctionFactory.registerFunctionCreator(QLatin1String("AVG"),new ConstructorGroupFunctionCreator<AvgGroupFunction>);
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m_groupFunctionFactory.registerFunctionCreator(QLatin1String("MIN"),new ConstructorGroupFunctionCreator<MinGroupFunction>);
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m_groupFunctionFactory.registerFunctionCreator(QLatin1String("MAX"),new ConstructorGroupFunctionCreator<MaxGroupFunction>);
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setSystemVariable(QLatin1String("#PAGE"),1,FirstPass);
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setSystemVariable(QLatin1String("#PAGE_COUNT"),0,SecondPass);
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m_datasourcesModel.setDataSourceManager(this);
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}
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QString DataSourceManager::defaultDatabasePath() const
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{
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return m_defaultDatabasePath;
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}
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void DataSourceManager::setDefaultDatabasePath(const QString &defaultDatabasePath)
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{
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m_defaultDatabasePath = defaultDatabasePath;
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}
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QString DataSourceManager::putGroupFunctionsExpressions(QString expression)
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{
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if (m_groupFunctionsExpressionsMap.contains(expression)){
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return QString::number(m_groupFunctionsExpressionsMap.value(expression));
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} else {
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m_groupFunctionsExpressions.append(expression);
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m_groupFunctionsExpressionsMap.insert(expression, m_groupFunctionsExpressions.size()-1);
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return QString::number(m_groupFunctionsExpressions.size()-1);
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}
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}
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void DataSourceManager::clearGroupFuntionsExpressions()
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{
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m_groupFunctionsExpressionsMap.clear();
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m_groupFunctionsExpressions.clear();
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}
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QString DataSourceManager::getExpression(QString index)
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{
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bool ok = false;
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int i = index.toInt(&ok);
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if (ok && m_groupFunctionsExpressions.size()>i)
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return m_groupFunctionsExpressions.at(index.toInt());
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else return "";
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}
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bool DataSourceManager::designTime() const
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{
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return m_designTime;
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}
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void DataSourceManager::setDesignTime(bool designTime)
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{
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m_designTime = designTime;
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}
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DataSourceManager::~DataSourceManager()
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{
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clear(All);
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clearGroupFunction();
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}
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void DataSourceManager::connectAllDatabases()
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{
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foreach(ConnectionDesc* conn,m_connections){
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try{
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connectConnection(conn);
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} catch (ReportError e){
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putError(e.what());
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setLastError(e.what());
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qDebug()<<e.what();
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}
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}
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}
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bool DataSourceManager::addModel(const QString &name, QAbstractItemModel *model, bool owned)
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{
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if (m_datasources.contains(name.toLower()))
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removeDatasource(name.toLower());
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ModelHolder* mh = new ModelHolder(model,owned);
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try{
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putHolder(name, mh);
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connect(mh, SIGNAL(modelStateChanged()), this, SIGNAL(datasourcesChanged()));
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} catch (ReportError e){
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putError(e.what());
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setLastError(e.what());
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return false;
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}
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emit datasourcesChanged();
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return true;
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}
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void DataSourceManager::removeModel(const QString &name)
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{
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if (m_datasources.contains(name.toLower()))
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removeDatasource(name.toLower());
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}
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ICallbackDatasource *DataSourceManager::createCallbackDatasource(const QString& name)
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{
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ICallbackDatasource* ds = new CallbackDatasource();
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IDataSourceHolder* holder = new CallbackDatasourceHolder(dynamic_cast<IDataSource*>(ds),true);
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putHolder(name,holder);
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emit datasourcesChanged();
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m_needUpdate = true;
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return ds;
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}
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void DataSourceManager::registerDbCredentialsProvider(IDbCredentialsProvider *provider)
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{
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m_dbCredentialsProvider = provider;
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}
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void DataSourceManager::addCallbackDatasource(ICallbackDatasource *datasource, const QString& name)
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{
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IDataSource* datasourceIntf = dynamic_cast<IDataSource*>(datasource);
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if (datasourceIntf){
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IDataSourceHolder* holder = new CallbackDatasourceHolder(datasourceIntf,true);
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putHolder(name,holder);
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emit datasourcesChanged();
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}
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}
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QSharedPointer<QAbstractItemModel>DataSourceManager::previewSQL(const QString &connectionName, const QString &sqlText, QString masterDatasource)
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{
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QSqlDatabase db = QSqlDatabase::database(connectionName);
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if (db.isValid() && db.isOpen()){
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QSqlQueryModel* model = new QSqlQueryModel();
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QMap<QString,QString> aliasesToParam;
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QString queryText = replaceVariables(sqlText,aliasesToParam);
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queryText = replaceFields(queryText,aliasesToParam,masterDatasource);
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QSqlQuery query(db);
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query.prepare(queryText);
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foreach(QString param,aliasesToParam.keys()){
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QVariant value;
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if (param.contains(".")){
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value = fieldData(aliasesToParam.value(param));
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param=param.right(param.length()-param.indexOf('.')-1);
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} else {
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value = variable(aliasesToParam.value(param));
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}
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if (value.isValid() || m_designTime)
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query.bindValue(':'+param,value);
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}
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query.exec();
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model->setQuery(query);
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m_lastError = model->lastError().text();
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putError(m_lastError);
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if (model->query().isActive())
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return QSharedPointer<QAbstractItemModel>(model);
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else
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return QSharedPointer<QAbstractItemModel>(0);
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}
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if (!db.isOpen()){
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m_lastError = tr("Connection \"%1\" is not open").arg(connectionName);
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putError(m_lastError);
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}
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return QSharedPointer<QAbstractItemModel>(0);
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}
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void DataSourceManager::updateDatasourceModel()
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{
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m_datasourcesModel.updateModel();
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m_needUpdate = false;
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}
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QString DataSourceManager::extractField(QString source)
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{
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if (source.contains('.')) {
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return source.right(source.length()-(source.indexOf('.')+1));
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}
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return source;
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}
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QString DataSourceManager::replaceVariables(QString value){
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QRegExp rx(Const::VARIABLE_RX);
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if (value.contains(rx)){
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int pos = -1;
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while ((pos=rx.indexIn(value))!=-1){
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QString var=rx.cap(0);
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var.remove("$V{");
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var.remove("}");
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if (variable(var).isValid()){
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value.replace(pos,rx.cap(0).length(),variable(var).toString());
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} else {
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value.replace(pos,rx.cap(0).length(),QString(tr("Variable \"%1\" not found!").arg(var)));
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}
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}
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}
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return value;
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}
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QString DataSourceManager::replaceVariables(QString query, QMap<QString,QString> &aliasesToParam)
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{
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QRegExp rx(Const::VARIABLE_RX);
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int curentAliasIndex = 0;
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if (query.contains(rx)){
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int pos = -1;
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while ((pos=rx.indexIn(query))!=-1){
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QString var=rx.cap(0);
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var.remove("$V{");
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var.remove("}");
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if (aliasesToParam.contains(var)){
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curentAliasIndex++;
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aliasesToParam.insert(var+"_v_alias"+QString::number(curentAliasIndex),var);
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var += "_v_alias"+QString::number(curentAliasIndex);
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} else {
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aliasesToParam.insert(var,var);
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}
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query.replace(pos,rx.cap(0).length(),":"+var);
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}
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}
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return query;
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}
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QString DataSourceManager::replaceFields(QString query, QMap<QString,QString> &aliasesToParam, QString masterDatasource)
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{
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QRegExp rx(Const::FIELD_RX);
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int curentAliasIndex=0;
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if (query.contains(rx)){
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int pos;
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while ((pos=rx.indexIn(query))!=-1){
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QString field=rx.cap(0);
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field.remove("$D{");
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field.remove("}");
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if (!aliasesToParam.contains(field)){
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if (field.contains("."))
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aliasesToParam.insert(field,field);
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else
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aliasesToParam.insert(field,masterDatasource+"."+field);
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} else {
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curentAliasIndex++;
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if (field.contains("."))
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aliasesToParam.insert(field+"_f_alias"+QString::number(curentAliasIndex),field);
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else
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aliasesToParam.insert(field+"_f_alias"+QString::number(curentAliasIndex),masterDatasource+"."+field);
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field+="_f_alias"+QString::number(curentAliasIndex);
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}
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query.replace(pos,rx.cap(0).length(),":"+extractField(field));
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}
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}
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return query;
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}
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void DataSourceManager::setReportVariable(const QString &name, const QVariant &value)
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{
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if (!containsVariable(name)){
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addVariable(name,value);
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} else changeVariable(name,value);
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}
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void DataSourceManager::addQuery(const QString &name, const QString &sqlText, const QString &connectionName)
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{
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QueryDesc *queryDecs = new QueryDesc(name,sqlText,connectionName);
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putQueryDesc(queryDecs);
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putHolder(name,new QueryHolder(sqlText, connectionName, this));
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emit datasourcesChanged();
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}
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void DataSourceManager::addSubQuery(const QString &name, const QString &sqlText, const QString &connectionName, const QString &masterDatasource)
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{
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SubQueryDesc *subQueryDesc = new SubQueryDesc(name.toLower(),sqlText,connectionName,masterDatasource);
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putSubQueryDesc(subQueryDesc);
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putHolder(name,new SubQueryHolder(sqlText, connectionName, masterDatasource, this));
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emit datasourcesChanged();
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}
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void DataSourceManager::addProxy(const QString &name, QString master, QString detail, QList<FieldsCorrelation> fields)
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{
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ProxyDesc *proxyDesc = new ProxyDesc();
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proxyDesc->setName(name);
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proxyDesc->setMaster(master);
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proxyDesc->setDetail(detail);
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foreach(FieldsCorrelation correlation,fields){
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proxyDesc->addFieldsCorrelation(correlation);
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}
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putProxyDesc(proxyDesc);
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putHolder(name,new ProxyHolder(proxyDesc, this));
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emit datasourcesChanged();
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}
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QString DataSourceManager::queryText(const QString &dataSourceName)
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{
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if (isQuery(dataSourceName)) return queryByName(dataSourceName)->queryText();
|
|
if (isSubQuery(dataSourceName)) return subQueryByName(dataSourceName)->queryText();
|
|
else return QString();
|
|
}
|
|
|
|
QueryDesc *DataSourceManager::queryByName(const QString &dataSourceName)
|
|
{
|
|
int queryIndex = queryIndexByName(dataSourceName);
|
|
if (queryIndex!=-1) return m_queries.at(queryIndex);
|
|
return 0;
|
|
}
|
|
|
|
SubQueryDesc* DataSourceManager::subQueryByName(const QString &dataSourceName)
|
|
{
|
|
int queryIndex = subQueryIndexByName(dataSourceName);
|
|
if (queryIndex!=-1) return m_subqueries.at(queryIndex);
|
|
return 0;
|
|
}
|
|
|
|
ConnectionDesc* DataSourceManager::connectionByName(const QString &connectionName)
|
|
{
|
|
int queryIndex = connectionIndexByName(connectionName);
|
|
if (queryIndex!=-1) return m_connections.at(queryIndex);
|
|
return 0;
|
|
}
|
|
|
|
int DataSourceManager::queryIndexByName(const QString &dataSourceName)
|
|
{
|
|
for(int i=0;i<m_queries.count();i++){
|
|
QueryDesc* desc=m_queries.at(i);
|
|
if (desc->queryName().compare(dataSourceName,Qt::CaseInsensitive)==0) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int DataSourceManager::subQueryIndexByName(const QString &dataSourceName)
|
|
{
|
|
for(int i=0;i<m_subqueries.count();++i){
|
|
QueryDesc* desc=m_subqueries.at(i);
|
|
if (desc->queryName().compare(dataSourceName,Qt::CaseInsensitive)==0) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int DataSourceManager::proxyIndexByName(const QString &dataSourceName)
|
|
{
|
|
for(int i=0;i<m_proxies.count();++i){
|
|
ProxyDesc* desc=m_proxies.at(i);
|
|
if (desc->name().compare(dataSourceName,Qt::CaseInsensitive)==0) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int DataSourceManager::connectionIndexByName(const QString &connectionName)
|
|
{
|
|
for(int i=0;i<m_connections.count();++i){
|
|
ConnectionDesc* desc=m_connections.at(i);
|
|
if (desc->name().compare(connectionName,Qt::CaseInsensitive)==0) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
QList<ConnectionDesc *>& DataSourceManager::conections()
|
|
{
|
|
return m_connections;
|
|
}
|
|
|
|
bool DataSourceManager::dataSourceIsValid(const QString &name)
|
|
{
|
|
if (m_datasources.value(name.toLower())) return !m_datasources.value(name.toLower())->isInvalid();
|
|
else throw ReportError(tr("Datasource \"%1\" not found !").arg(name));
|
|
}
|
|
|
|
bool DataSourceManager::isQuery(const QString &dataSourceName)
|
|
{
|
|
return (queryByName(dataSourceName));
|
|
}
|
|
|
|
QString DataSourceManager::connectionName(const QString &dataSourceName)
|
|
{
|
|
if (isQuery(dataSourceName)) return queryByName(dataSourceName)->connectionName();
|
|
if (isSubQuery(dataSourceName)) return subQueryByName(dataSourceName)->connectionName();
|
|
return QString();
|
|
}
|
|
|
|
ProxyDesc *DataSourceManager::proxyByName(QString datasourceName)
|
|
{
|
|
int proxyIndex = proxyIndexByName(datasourceName);
|
|
if (proxyIndex>-1) return m_proxies.at(proxyIndex);
|
|
else return 0;
|
|
}
|
|
|
|
void DataSourceManager::removeDatasource(const QString &name)
|
|
{
|
|
invalidateLinkedDatasources(name);
|
|
|
|
if (m_datasources.contains(name)){
|
|
IDataSourceHolder *holder;
|
|
holder=m_datasources.value(name);
|
|
m_datasources.remove(name);
|
|
delete holder;
|
|
}
|
|
if (isQuery(name)){
|
|
int queryIndex=queryIndexByName(name);
|
|
delete m_queries.at(queryIndex);
|
|
m_queries.removeAt(queryIndex);
|
|
}
|
|
if (isSubQuery(name)){
|
|
int queryIndex=subQueryIndexByName(name);
|
|
delete m_subqueries.at(queryIndex);
|
|
m_subqueries.removeAt(queryIndex);
|
|
}
|
|
if (isProxy(name)){
|
|
int proxyIndex=proxyIndexByName(name);
|
|
delete m_proxies.at(proxyIndex);
|
|
m_proxies.removeAt(proxyIndex);
|
|
}
|
|
emit datasourcesChanged();
|
|
}
|
|
|
|
void DataSourceManager::removeConnection(const QString &connectionName)
|
|
{
|
|
QList<ConnectionDesc*>::iterator cit = m_connections.begin();
|
|
while( cit != m_connections.end() ){
|
|
if ( ((*cit)->name().compare(connectionName) == 0) && (*cit)->isInternal() ){
|
|
{
|
|
QSqlDatabase db = QSqlDatabase::database(connectionName);
|
|
db.close();
|
|
}
|
|
QSqlDatabase::removeDatabase(connectionName);
|
|
}
|
|
delete (*cit);
|
|
cit = m_connections.erase(cit);
|
|
}
|
|
emit datasourcesChanged();
|
|
}
|
|
|
|
void DataSourceManager::addConnectionDesc(ConnectionDesc * connection)
|
|
{
|
|
if (!isConnection(connection->name())) {
|
|
connect(connection,SIGNAL(nameChanged(QString,QString)),this,SLOT(slotConnectionRenamed(QString,QString)));
|
|
m_connections.append(connection);
|
|
if (connection->autoconnect()){
|
|
try{
|
|
connectConnection(connection);
|
|
} catch(ReportError &exception) {
|
|
qDebug()<<exception.what();
|
|
}
|
|
}
|
|
} else {
|
|
throw ReportError(tr("connection with name \"%1\" already exists !").arg(connection->name()));
|
|
}
|
|
}
|
|
|
|
bool DataSourceManager::checkConnectionDesc(ConnectionDesc *connection)
|
|
{
|
|
if (connectConnection(connection)){
|
|
if (connection->isInternal()){
|
|
QSqlDatabase::removeDatabase(connection->name());
|
|
if (designTime()) emit datasourcesChanged();
|
|
}
|
|
return true;
|
|
}
|
|
if (connection->isInternal())
|
|
QSqlDatabase::removeDatabase(connection->name());
|
|
return false;
|
|
}
|
|
|
|
void DataSourceManager::putHolder(const QString& name, IDataSourceHolder *dataSource)
|
|
{
|
|
if (!m_datasources.contains(name.toLower())){
|
|
m_datasources.insert(
|
|
name.toLower(),
|
|
dataSource
|
|
);
|
|
} else throw ReportError(tr("datasource with name \"%1\" already exists !").arg(name));
|
|
}
|
|
|
|
void DataSourceManager::putQueryDesc(QueryDesc* queryDesc)
|
|
{
|
|
if (!containsDatasource(queryDesc->queryName())){
|
|
m_queries.append(queryDesc);
|
|
connect(queryDesc, SIGNAL(queryTextChanged(QString,QString)),
|
|
this, SLOT(slotQueryTextChanged(QString,QString)));
|
|
} else throw ReportError(tr("datasource with name \"%1\" already exists !").arg(queryDesc->queryName()));
|
|
}
|
|
|
|
void DataSourceManager::putSubQueryDesc(SubQueryDesc *subQueryDesc)
|
|
{
|
|
if (!containsDatasource(subQueryDesc->queryName())){
|
|
m_subqueries.append(subQueryDesc);
|
|
connect(subQueryDesc, SIGNAL(queryTextChanged(QString,QString)),
|
|
this, SLOT(slotQueryTextChanged(QString,QString)));
|
|
} else throw ReportError(tr("datasource with name \"%1\" already exists !").arg(subQueryDesc->queryName()));
|
|
}
|
|
|
|
void DataSourceManager::putProxyDesc(ProxyDesc *proxyDesc)
|
|
{
|
|
if (!containsDatasource(proxyDesc->name())){
|
|
m_proxies.append(proxyDesc);
|
|
} else throw ReportError(tr("datasource with name \"%1\" already exists !").arg(proxyDesc->name()));
|
|
}
|
|
|
|
bool DataSourceManager::initAndOpenDB(QSqlDatabase& db, ConnectionDesc& connectionDesc){
|
|
|
|
bool connected = false;
|
|
|
|
|
|
db.setHostName(replaceVariables(connectionDesc.host()));
|
|
db.setUserName(replaceVariables(connectionDesc.userName()));
|
|
db.setPassword(replaceVariables(connectionDesc.password()));
|
|
|
|
if (!connectionDesc.keepDBCredentials() && m_dbCredentialsProvider){
|
|
if (!m_dbCredentialsProvider->getUserName(connectionDesc.name()).isEmpty())
|
|
db.setUserName(m_dbCredentialsProvider->getUserName(connectionDesc.name()));
|
|
if (!m_dbCredentialsProvider->getPassword(connectionDesc.name()).isEmpty())
|
|
db.setPassword(m_dbCredentialsProvider->getPassword(connectionDesc.name()));
|
|
}
|
|
|
|
QString dbName = replaceVariables(connectionDesc.databaseName());
|
|
if (connectionDesc.driver().compare("QSQLITE")==0){
|
|
if (!defaultDatabasePath().isEmpty()){
|
|
dbName = !QFileInfo(dbName).exists() ?
|
|
defaultDatabasePath()+QFileInfo(dbName).fileName() :
|
|
dbName;
|
|
}
|
|
if (QFileInfo(dbName).exists()){
|
|
db.setDatabaseName(dbName);
|
|
} else {
|
|
setLastError(tr("Database \"%1\" not found").arg(dbName));
|
|
return false;
|
|
}
|
|
} else {
|
|
db.setDatabaseName(dbName);
|
|
}
|
|
|
|
connected=db.open();
|
|
if (!connected) setLastError(db.lastError().text());
|
|
return connected;
|
|
}
|
|
|
|
ReportSettings *DataSourceManager::reportSettings() const
|
|
{
|
|
return m_reportSettings;
|
|
}
|
|
|
|
void DataSourceManager::setReportSettings(ReportSettings *reportSettings)
|
|
{
|
|
m_reportSettings = reportSettings;
|
|
}
|
|
|
|
bool DataSourceManager::checkConnection(QSqlDatabase db){
|
|
QSqlQuery query("Select 1",db);
|
|
return query.first();
|
|
}
|
|
|
|
bool DataSourceManager::connectConnection(ConnectionDesc *connectionDesc)
|
|
{
|
|
|
|
bool connected = false;
|
|
clearErrors();
|
|
QString lastError ="";
|
|
|
|
foreach(QString datasourceName, dataSourceNames()){
|
|
dataSourceHolder(datasourceName)->clearErrors();
|
|
}
|
|
|
|
if (!QSqlDatabase::contains(connectionDesc->name())){
|
|
QString dbError;
|
|
{
|
|
QSqlDatabase db = QSqlDatabase::addDatabase(connectionDesc->driver(),connectionDesc->name());
|
|
connectionDesc->setInternal(true);
|
|
connected=initAndOpenDB(db, *connectionDesc);
|
|
dbError = db.lastError().text();
|
|
}
|
|
if (!connected){
|
|
if (!dbError.trimmed().isEmpty())
|
|
setLastError(dbError);
|
|
QSqlDatabase::removeDatabase(connectionDesc->name());
|
|
return false;
|
|
}
|
|
} else {
|
|
QSqlDatabase db = QSqlDatabase::database(connectionDesc->name());
|
|
if (!connectionDesc->isEqual(db) && connectionDesc->isInternal()){
|
|
db.close();
|
|
connected = initAndOpenDB(db, *connectionDesc);
|
|
} else {
|
|
connected = checkConnection(db);
|
|
if (!connected && connectionDesc->isInternal())
|
|
connected = initAndOpenDB(db, *connectionDesc);
|
|
}
|
|
}
|
|
|
|
if (!connected) {
|
|
if (connectionDesc->isInternal())
|
|
QSqlDatabase::removeDatabase(connectionDesc->name());
|
|
return false;
|
|
} else {
|
|
foreach(QString datasourceName, dataSourceNames()){
|
|
if (isQuery(datasourceName)){
|
|
QueryHolder* qh = dynamic_cast<QueryHolder*>(dataSourceHolder(datasourceName));
|
|
if (qh){
|
|
qh->invalidate(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
invalidateChildren(datasourceName);
|
|
}
|
|
}
|
|
}
|
|
foreach(QString datasourceName, dataSourceNames()){
|
|
if (isProxy(datasourceName)){
|
|
ProxyHolder* ph = dynamic_cast<ProxyHolder*>(dataSourceHolder(datasourceName));
|
|
if (ph){
|
|
ph->invalidate(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
}
|
|
}
|
|
}
|
|
if (designTime()) emit datasourcesChanged();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void DataSourceManager::clearReportVariables()
|
|
{
|
|
m_reportVariables.clearUserVariables();
|
|
}
|
|
|
|
void DataSourceManager::connectAutoConnections()
|
|
{
|
|
foreach(ConnectionDesc* conn,m_connections){
|
|
if (conn->autoconnect()) {
|
|
try {
|
|
connectConnection(conn);
|
|
} catch(ReportError e){
|
|
setLastError(e.what());
|
|
putError(e.what());
|
|
qDebug()<<e.what();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
QList<QString> DataSourceManager::childDatasources(const QString &parentDatasourceName)
|
|
{
|
|
QList<QString> result;
|
|
foreach(QString datasourceName, dataSourceNames()){
|
|
if (isSubQuery(datasourceName)){
|
|
SubQueryHolder* sh = dynamic_cast<SubQueryHolder*>(dataSourceHolder(datasourceName));
|
|
if (sh && sh->masterDatasource().compare(parentDatasourceName,Qt::CaseInsensitive)==0){
|
|
result.append(datasourceName);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void DataSourceManager::invalidateChildren(const QString &parentDatasourceName)
|
|
{
|
|
foreach(QString datasourceName, childDatasources(parentDatasourceName)){
|
|
SubQueryHolder* sh = dynamic_cast<SubQueryHolder*>(dataSourceHolder(datasourceName));
|
|
if (sh)
|
|
sh->invalidate(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
invalidateChildren(datasourceName);
|
|
}
|
|
}
|
|
|
|
bool DataSourceManager::containsDatasource(const QString &dataSourceName)
|
|
{
|
|
return m_datasources.contains(dataSourceName.toLower());
|
|
}
|
|
|
|
bool DataSourceManager::isSubQuery(const QString &dataSourceName)
|
|
{
|
|
return subQueryIndexByName(dataSourceName.toLower())!=-1;
|
|
}
|
|
|
|
bool DataSourceManager::isProxy(const QString &dataSourceName)
|
|
{
|
|
return proxyIndexByName(dataSourceName)!=-1;
|
|
}
|
|
|
|
bool DataSourceManager::isConnection(const QString &connectionName)
|
|
{
|
|
return connectionIndexByName(connectionName)!=-1;
|
|
}
|
|
|
|
bool DataSourceManager::isConnectionConnected(const QString &connectionName)
|
|
{
|
|
if (isConnection(connectionName) && QSqlDatabase::contains(connectionName)){
|
|
QSqlDatabase db = QSqlDatabase::database(connectionName);
|
|
return db.isValid() && QSqlDatabase::database(connectionName).isOpen();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool DataSourceManager::connectConnection(const QString& connectionName)
|
|
{
|
|
return connectConnection(connectionByName(connectionName));
|
|
}
|
|
|
|
void DataSourceManager::disconnectConnection(const QString& connectionName)
|
|
{
|
|
foreach(QString datasourceName, dataSourceNames()){
|
|
if (isQuery(datasourceName) || isSubQuery(datasourceName)){
|
|
QueryHolder* qh = dynamic_cast<QueryHolder*>(dataSourceHolder(datasourceName));
|
|
if (qh && qh->connectionName().compare(connectionName,Qt::CaseInsensitive)==0){
|
|
qh->invalidate(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
qh->setLastError(tr("invalid connection"));
|
|
}
|
|
}
|
|
}
|
|
|
|
ConnectionDesc* connectionDesc = connectionByName(connectionName);
|
|
if (connectionDesc->isInternal()){
|
|
{
|
|
QSqlDatabase db = QSqlDatabase::database(connectionName);
|
|
if (db.isOpen()) db.close();
|
|
}
|
|
if (QSqlDatabase::contains(connectionName)) QSqlDatabase::removeDatabase(connectionName);
|
|
}
|
|
|
|
}
|
|
|
|
IDataSource *DataSourceManager::dataSource(const QString &name)
|
|
{
|
|
IDataSourceHolder* holder = m_datasources.value(name.toLower());
|
|
if (holder) {
|
|
if (holder->isInvalid()) {
|
|
setLastError(name+" : "+holder->lastError());
|
|
return 0;
|
|
} else {
|
|
return holder->dataSource(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
}
|
|
} else {
|
|
setLastError(tr("Datasource \"%1\" not found !").arg(name));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
IDataSourceHolder *DataSourceManager::dataSourceHolder(const QString &name)
|
|
{
|
|
if (m_datasources.value(name.toLower())) return m_datasources.value(name.toLower());
|
|
else return 0;
|
|
}
|
|
|
|
QStringList DataSourceManager::dataSourceNames()
|
|
{
|
|
QStringList result;
|
|
for (int i=0;i<m_datasources.keys().count();i++){
|
|
result.append(m_datasources.keys().at(i));
|
|
}
|
|
result.sort();
|
|
return result;
|
|
}
|
|
|
|
QStringList DataSourceManager::dataSourceNames(const QString& connectionName)
|
|
{
|
|
QStringList result;
|
|
foreach (QueryDesc* query, m_queries) {
|
|
if (query->connectionName().compare(connectionName,Qt::CaseInsensitive)==0){
|
|
result.append(query->queryName());
|
|
}
|
|
}
|
|
foreach (QueryDesc* query, m_subqueries) {
|
|
if (query->connectionName().compare(connectionName,Qt::CaseInsensitive)==0){
|
|
result.append(query->queryName());
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QStringList DataSourceManager::connectionNames()
|
|
{
|
|
QStringList result;
|
|
foreach(ConnectionDesc* conDesc,m_connections){
|
|
result.append(conDesc->name());
|
|
}
|
|
return result;
|
|
}
|
|
|
|
QStringList DataSourceManager::fieldNames(const QString &datasourceName)
|
|
{
|
|
QStringList result;
|
|
IDataSource* ds = dataSource(datasourceName);
|
|
if (ds && !ds->isInvalid()){
|
|
for(int i=0;i<ds->columnCount();i++){
|
|
result.append(ds->columnNameByIndex(i));
|
|
}
|
|
result.sort();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void DataSourceManager::addConnection(const QString &connectionName)
|
|
{
|
|
addConnectionDesc(new ConnectionDesc(QSqlDatabase::database(connectionName)));
|
|
emit datasourcesChanged();
|
|
}
|
|
|
|
QObject *DataSourceManager::createElement(const QString& collectionName, const QString&)
|
|
{
|
|
if (collectionName=="connections"){
|
|
ConnectionDesc* connection = new ConnectionDesc;
|
|
m_connections.append(connection);
|
|
return connection;
|
|
}
|
|
if (collectionName=="queries"){
|
|
QueryDesc* queryDesc = new QueryDesc;
|
|
m_queries.append(queryDesc);
|
|
return queryDesc;
|
|
}
|
|
if (collectionName=="subqueries"){
|
|
SubQueryDesc* subQueryDesc = new SubQueryDesc;
|
|
m_subqueries.append(subQueryDesc);
|
|
return subQueryDesc;
|
|
}
|
|
if (collectionName=="subproxies"){
|
|
ProxyDesc* proxyDesc = new ProxyDesc;
|
|
m_proxies.append(proxyDesc);
|
|
return proxyDesc;
|
|
}
|
|
|
|
if (collectionName=="variables"){
|
|
VarDesc* var = new VarDesc;
|
|
m_tempVars.append(var);
|
|
return var;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int DataSourceManager::elementsCount(const QString &collectionName)
|
|
{
|
|
if (collectionName=="connections"){
|
|
return m_connections.count();
|
|
}
|
|
if (collectionName=="queries"){
|
|
return m_queries.count();
|
|
}
|
|
if (collectionName=="subqueries"){
|
|
return m_subqueries.count();
|
|
}
|
|
if (collectionName=="subproxies"){
|
|
return m_proxies.count();
|
|
}
|
|
if (collectionName=="variables"){
|
|
return m_reportVariables.userVariablesCount();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
QObject* DataSourceManager::elementAt(const QString &collectionName, int index)
|
|
{
|
|
if (collectionName=="connections"){
|
|
return m_connections.at(index);
|
|
}
|
|
if (collectionName=="queries"){
|
|
return m_queries.at(index);
|
|
}
|
|
if (collectionName=="subqueries"){
|
|
return m_subqueries.at(index);
|
|
}
|
|
if (collectionName=="subproxies"){
|
|
return m_proxies.at(index);
|
|
}
|
|
if (collectionName=="variables"){
|
|
return m_reportVariables.userVariableAt(index);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void DataSourceManager::collectionLoadFinished(const QString &collectionName)
|
|
{
|
|
|
|
if (collectionName.compare("connections",Qt::CaseInsensitive) == 0){
|
|
|
|
}
|
|
|
|
if (collectionName.compare("queries",Qt::CaseInsensitive) == 0){
|
|
|
|
QMutableListIterator<QueryDesc*> it(m_queries);
|
|
while (it.hasNext()){
|
|
it.next();
|
|
if (!m_datasources.contains(it.value()->queryName().toLower())){
|
|
connect(it.value(), SIGNAL(queryTextChanged(QString,QString)),
|
|
this, SLOT(slotQueryTextChanged(QString,QString)));
|
|
putHolder(it.value()->queryName(),new QueryHolder(it.value()->queryText(), it.value()->connectionName(), this));
|
|
} else {
|
|
delete it.value();
|
|
it.remove();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if (collectionName.compare("subqueries",Qt::CaseInsensitive) == 0){
|
|
|
|
QMutableListIterator<SubQueryDesc*> it(m_subqueries);
|
|
while (it.hasNext()){
|
|
it.next();
|
|
if (!m_datasources.contains(it.value()->queryName().toLower())){
|
|
connect(it.value(), SIGNAL(queryTextChanged(QString,QString)),
|
|
this, SLOT(slotQueryTextChanged(QString,QString)));
|
|
putHolder(it.value()->queryName(),new SubQueryHolder(
|
|
it.value()->queryText(),
|
|
it.value()->connectionName(),
|
|
it.value()->master(),
|
|
this)
|
|
);
|
|
} else {
|
|
delete it.value();
|
|
it.remove();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if (collectionName.compare("subproxies",Qt::CaseInsensitive) == 0){
|
|
QMutableListIterator<ProxyDesc*> it(m_proxies);
|
|
while (it.hasNext()){
|
|
it.next();
|
|
if (!m_datasources.contains(it.value()->name().toLower())){
|
|
putHolder(it.value()->name(),new ProxyHolder(it.value(), this));
|
|
} else {
|
|
delete it.value();
|
|
it.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (collectionName.compare("variables",Qt::CaseInsensitive) == 0){
|
|
foreach (VarDesc* item, m_tempVars) {
|
|
if (!m_reportVariables.containsVariable(item->name())){
|
|
m_reportVariables.addVariable(item->name(),item->value(),VarDesc::Report,FirstPass);
|
|
}
|
|
delete item;
|
|
}
|
|
m_tempVars.clear();
|
|
}
|
|
|
|
emit datasourcesChanged();
|
|
emit loadCollectionFinished(collectionName);
|
|
}
|
|
|
|
void DataSourceManager::addVariable(const QString &name, const QVariant &value, VarDesc::VarType type, RenderPass pass)
|
|
{
|
|
if (type == VarDesc::User){
|
|
m_userVariables.addVariable(name, value, type, pass);
|
|
} else {
|
|
m_reportVariables.addVariable(name,value,type,pass);
|
|
}
|
|
if (designTime())
|
|
emit datasourcesChanged();
|
|
}
|
|
|
|
void DataSourceManager::deleteVariable(const QString& name)
|
|
{
|
|
m_userVariables.deleteVariable(name);
|
|
if (m_reportVariables.containsVariable(name)&&m_reportVariables.variableType(name)==VarDesc::Report){
|
|
m_reportVariables.deleteVariable(name);
|
|
if (designTime())
|
|
emit datasourcesChanged();
|
|
}
|
|
}
|
|
|
|
void DataSourceManager::changeVariable(const QString& name,const QVariant& value)
|
|
{
|
|
if (m_userVariables.containsVariable(name)){
|
|
m_userVariables.changeVariable(name,value);
|
|
}
|
|
if (m_reportVariables.containsVariable(name)){
|
|
m_reportVariables.changeVariable(name,value);
|
|
}
|
|
}
|
|
|
|
void DataSourceManager::setSystemVariable(const QString &name, const QVariant &value, RenderPass pass)
|
|
{
|
|
addVariable(name,value,VarDesc::System,pass);
|
|
}
|
|
|
|
void DataSourceManager::setLastError(const QString &value){
|
|
m_lastError = value;
|
|
if (!value.isEmpty() && !m_errorsList.contains(value)) {
|
|
m_errorsList.append(value);
|
|
}
|
|
}
|
|
|
|
void DataSourceManager::invalidateLinkedDatasources(QString datasourceName)
|
|
{
|
|
foreach(QString name, dataSourceNames()){
|
|
if (isSubQuery(name)){
|
|
if (subQueryByName(name)->master() == datasourceName)
|
|
dataSourceHolder(name)->invalidate(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
}
|
|
if (isProxy(name)){
|
|
ProxyDesc* proxy = proxyByName(name);
|
|
if ((proxy->master() == datasourceName) || (proxy->child() == datasourceName))
|
|
dataSourceHolder(name)->invalidate(designTime()?IDataSource::DESIGN_MODE:IDataSource::RENDER_MODE);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void DataSourceManager::slotConnectionRenamed(const QString &oldName, const QString &newName)
|
|
{
|
|
foreach(QueryDesc* query, m_queries){
|
|
if (query->connectionName().compare(oldName,Qt::CaseInsensitive)==0) query->setConnectionName(newName);
|
|
}
|
|
foreach(SubQueryDesc* query, m_subqueries){
|
|
if (query->connectionName().compare(oldName,Qt::CaseInsensitive)==0) query->setConnectionName(newName);
|
|
}
|
|
}
|
|
|
|
void DataSourceManager::slotQueryTextChanged(const QString &queryName, const QString &queryText)
|
|
{
|
|
QueryHolder* holder = dynamic_cast<QueryHolder*>(m_datasources.value(queryName));
|
|
if (holder){
|
|
holder->setQueryText(queryText);
|
|
}
|
|
}
|
|
|
|
void DataSourceManager::clear(ClearMethod method)
|
|
{
|
|
DataSourcesMap::iterator dit;
|
|
for( dit = m_datasources.begin(); dit != m_datasources.end(); ){
|
|
bool owned = (*dit)->isOwned() && (*dit)->isRemovable();
|
|
switch(method){
|
|
case All:
|
|
invalidateLinkedDatasources(dit.key());
|
|
delete dit.value();
|
|
m_datasources.erase(dit++);
|
|
break;
|
|
default:
|
|
if (owned){
|
|
invalidateLinkedDatasources(dit.key());
|
|
delete dit.value();
|
|
m_datasources.erase(dit++);
|
|
} else {
|
|
++dit;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
QList<ConnectionDesc*>::iterator cit = m_connections.begin();
|
|
while( cit != m_connections.end() ){
|
|
if ( (*cit)->isInternal() )
|
|
QSqlDatabase::removeDatabase( (*cit)->name() );
|
|
delete (*cit);
|
|
cit = m_connections.erase(cit);
|
|
}
|
|
|
|
//TODO: add smart pointes to collections
|
|
foreach(QueryDesc *desc, m_queries) delete desc;
|
|
foreach(SubQueryDesc* desc, m_subqueries) delete desc;
|
|
foreach(ProxyDesc* desc, m_proxies) delete desc;
|
|
|
|
m_queries.clear();
|
|
m_subqueries.clear();
|
|
m_proxies.clear();
|
|
// if (method == All)
|
|
// clearUserVariables();
|
|
clearReportVariables();
|
|
|
|
emit cleared();
|
|
}
|
|
|
|
void DataSourceManager::clearGroupFunction()
|
|
{
|
|
foreach(GroupFunction* gf ,m_groupFunctions.values()){
|
|
delete gf;
|
|
}
|
|
m_groupFunctions.clear();
|
|
}
|
|
|
|
void DataSourceManager::clearGroupFunctionValues(const QString& bandObjectName)
|
|
{
|
|
foreach(GroupFunction* gf, m_groupFunctions.values(bandObjectName)){
|
|
gf->values().clear();
|
|
}
|
|
}
|
|
|
|
GroupFunction* DataSourceManager::addGroupFunction(const QString &name, const QString &expression, const QString &band, const QString& dataBand)
|
|
{
|
|
GroupFunction* gf = m_groupFunctionFactory.createGroupFunction(name,expression,dataBand,this);
|
|
if (gf){
|
|
m_groupFunctions.insert(band,gf);
|
|
}
|
|
return gf;
|
|
}
|
|
|
|
GroupFunction *DataSourceManager::groupFunction(const QString &name, const QString &expression, const QString &band)
|
|
{
|
|
foreach(GroupFunction* gf,m_groupFunctions.values(band)){
|
|
if ((gf->name().compare(name,Qt::CaseInsensitive)==0)&&
|
|
(gf->data().compare(expression,Qt::CaseInsensitive)==0)
|
|
) return gf;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
QList<GroupFunction *> DataSourceManager::groupFunctionsByBand(const QString &band)
|
|
{
|
|
return m_groupFunctions.values(band);
|
|
}
|
|
|
|
void DataSourceManager::updateChildrenData(const QString &datasourceName)
|
|
{
|
|
foreach(SubQueryDesc* subquery,m_subqueries){
|
|
if (subquery->master().compare(datasourceName,Qt::CaseInsensitive)==0){
|
|
SubQueryHolder* holder=dynamic_cast<SubQueryHolder*>(dataSourceHolder(subquery->queryName()));
|
|
if (holder) holder->runQuery();
|
|
}
|
|
}
|
|
foreach(ProxyDesc* subproxy,m_proxies){
|
|
if(subproxy->master().compare(datasourceName,Qt::CaseInsensitive)==0){
|
|
ProxyHolder* holder = dynamic_cast<ProxyHolder*>(dataSourceHolder(subproxy->name()));
|
|
holder->filterModel();
|
|
}
|
|
}
|
|
}
|
|
|
|
QString DataSourceManager::extractDataSource(const QString &fieldName)
|
|
{
|
|
return fieldName.left(fieldName.indexOf('.'));
|
|
}
|
|
|
|
QString DataSourceManager::extractFieldName(const QString &fieldName)
|
|
{
|
|
return fieldName.right((fieldName.length()-fieldName.indexOf('.'))-1);
|
|
}
|
|
|
|
bool DataSourceManager::containsField(const QString &fieldName)
|
|
{
|
|
IDataSource* ds = dataSource(extractDataSource(fieldName));
|
|
if (ds) {
|
|
return ds->columnIndexByName(extractFieldName(fieldName))!=-1;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool DataSourceManager::containsVariable(const QString& variableName)
|
|
{
|
|
if (m_userVariables.containsVariable(variableName)) return true;
|
|
return m_reportVariables.containsVariable(variableName);
|
|
}
|
|
|
|
void DataSourceManager::clearUserVariables()
|
|
{
|
|
m_userVariables.clearUserVariables();
|
|
m_reportVariables.clearUserVariables();
|
|
}
|
|
|
|
QVariant DataSourceManager::fieldData(const QString &fieldName)
|
|
{
|
|
if (containsField(fieldName)){
|
|
IDataSource* ds = dataSource(extractDataSource(fieldName));
|
|
if (ds) return ds->data(extractFieldName(fieldName));
|
|
}
|
|
return QVariant();
|
|
}
|
|
|
|
QVariant DataSourceManager::variable(const QString &variableName)
|
|
{
|
|
if (m_userVariables.containsVariable(variableName))
|
|
return m_userVariables.variable(variableName);
|
|
return m_reportVariables.variable(variableName);
|
|
}
|
|
|
|
RenderPass DataSourceManager::variablePass(const QString &name)
|
|
{
|
|
if (m_userVariables.containsVariable(name))
|
|
return m_userVariables.variablePass(name);
|
|
return m_reportVariables.variablePass(name);
|
|
}
|
|
|
|
bool DataSourceManager::variableIsSystem(const QString &name)
|
|
{
|
|
if (m_reportVariables.containsVariable(name))
|
|
return (m_reportVariables.variableType(name)==VarDesc::System);
|
|
return false;
|
|
}
|
|
|
|
QStringList DataSourceManager::variableNames()
|
|
{
|
|
return m_reportVariables.variableNames();
|
|
}
|
|
|
|
QStringList DataSourceManager::namesOfUserVariables(){
|
|
return m_userVariables.variableNames();
|
|
}
|
|
|
|
VarDesc::VarType DataSourceManager::variableType(const QString &name)
|
|
{
|
|
if (m_reportVariables.containsVariable(name))
|
|
return m_reportVariables.variableType(name);
|
|
return VarDesc::User;
|
|
}
|
|
|
|
void DataSourceManager::setAllDatasourcesToFirst()
|
|
{
|
|
foreach(IDataSourceHolder* ds,m_datasources.values()) {
|
|
if (ds->dataSource()) ds->dataSource()->first();
|
|
}
|
|
}
|
|
|
|
} //namespace LimeReport
|