mirror of
https://github.com/fralx/LimeReport.git
synced 2024-12-27 18:08:10 +03:00
277 lines
11 KiB
C++
277 lines
11 KiB
C++
/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2021 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 "mainwindow.h"
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#include "ui_mainwindow.h"
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#include <QFileDialog>
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#include <QMessageBox>
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#include <QtSql/QSqlQuery>
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#include <QtSql/QSqlRecord>
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#include <LimeReport>
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#include <LRCallbackDS>
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#include <QDebug>
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#include <QStringListModel>
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#include <QPrinter>
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#ifdef BUILD_WITH_EASY_PROFILER
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#include "easy/profiler.h"
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#else
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# define EASY_BLOCK(...)
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# define EASY_END_BLOCK
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# define EASY_PROFILER_ENABLE
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#endif
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow), m_progressDialog(0), m_customers(0), m_orders(0)
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{
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ui->setupUi(this);
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report = new LimeReport::ReportEngine(this);
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connect(report, SIGNAL(renderStarted()), this, SLOT(renderStarted()));
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connect(report, SIGNAL(renderPageFinished(int)),
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this, SLOT(renderPageFinished(int)));
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connect(report, SIGNAL(renderFinished()), this, SLOT(renderFinished()));
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QFile dbFile(QApplication::applicationDirPath()+"/demo_reports/northwind.db");
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if (dbFile.exists()){
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m_db = QSqlDatabase::addDatabase("QSQLITE");
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m_db.setDatabaseName(dbFile.fileName());
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if (m_db.open()){
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QSqlQueryModel* customersModel = new QSqlQueryModel();
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customersModel->setQuery("select * from customers", m_db);
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report->dataManager()->addModel("external_customers_data",customersModel,true);
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QSqlQueryModel* ordersModel = new QSqlQueryModel();
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ordersModel->setQuery("Select * from orders",m_db);
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report->dataManager()->addModel("external_orders_data",ordersModel,true);
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m_customers = new QSqlQuery("Select * from customers limit 10",m_db);
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m_customers->first();
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m_orders = new QSqlQuery(m_db);
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m_orders->prepare("Select * from orders where CustomerID = :id");
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int index = m_customers->record().indexOf("CustomerID");
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m_orders->bindValue(":id",m_customers->value(index));
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m_orders->exec();
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}
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}
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LimeReport::ICallbackDatasource * callbackDatasource = report->dataManager()->createCallbackDatasource("master");
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connect(callbackDatasource, SIGNAL(getCallbackData(LimeReport::CallbackInfo,QVariant&)),
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this, SLOT(slotGetCallbackData(LimeReport::CallbackInfo,QVariant&)));
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connect(callbackDatasource, SIGNAL(changePos(const LimeReport::CallbackInfo::ChangePosType&,bool&)),
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this, SLOT(slotChangePos(const LimeReport::CallbackInfo::ChangePosType&,bool&)));
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callbackDatasource = report->dataManager()->createCallbackDatasource("detail");
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connect(callbackDatasource, SIGNAL(getCallbackData(LimeReport::CallbackInfo,QVariant&)),
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this, SLOT(slotGetCallbackChildData(LimeReport::CallbackInfo,QVariant&)));
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connect(callbackDatasource, SIGNAL(changePos(const LimeReport::CallbackInfo::ChangePosType&,bool&)),
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this, SLOT(slotChangeChildPos(const LimeReport::CallbackInfo::ChangePosType&,bool&)));
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callbackDatasource = report->dataManager()->createCallbackDatasource("oneSlotDS");
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connect(callbackDatasource, SIGNAL(getCallbackData(LimeReport::CallbackInfo,QVariant&)),
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this, SLOT(slotOneSlotDS(LimeReport::CallbackInfo,QVariant&)));
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QStringList simpleData;
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simpleData << "value1" << "value2" << "value3";
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QStringListModel* stringListModel = new QStringListModel();
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stringListModel->setStringList(simpleData);
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report->dataManager()->addModel("string_list",stringListModel,true);
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QStringList strList;
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strList<<"value1"<<"value2";
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//QScriptValue value = qScriptValueFromSequence(report->scriptManager()->scriptEngine(),strList);
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//report->scriptManager()->scriptEngine()->globalObject().setProperty("test_list",value);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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delete m_customers;
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delete m_orders;
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}
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void MainWindow::on_pushButton_clicked()
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{
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EASY_PROFILER_ENABLE;
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EASY_BLOCK("design report");
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report->dataManager()->clearUserVariables();
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if (!ui->leVariableName->text().isEmpty() && !ui->leVariableValue->text().isEmpty()){
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report->dataManager()->setReportVariable(ui->leVariableName->text(), ui->leVariableValue->text());
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}
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report->setShowProgressDialog(false);
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report->designReport();
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EASY_END_BLOCK;
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#ifdef BUILD_WITH_EASY_PROFILER
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profiler::dumpBlocksToFile("test.prof");
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#endif
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}
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void MainWindow::on_pushButton_2_clicked()
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{
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QString fileName = QFileDialog::getOpenFileName(this,"Select report file",QApplication::applicationDirPath()+"/demo_reports/","*.lrxml");
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if (!fileName.isEmpty()) {
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EASY_PROFILER_ENABLE;
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EASY_BLOCK("Load file");
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report->loadFromFile(fileName);
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EASY_END_BLOCK;
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EASY_BLOCK("Set report variable");
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if (!ui->leVariableName->text().isEmpty() && !ui->leVariableValue->text().isEmpty()){
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report->dataManager()->setReportVariable(ui->leVariableName->text(), ui->leVariableValue->text());
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}
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EASY_END_BLOCK;
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#ifdef BUILD_WITH_EASY_PROFILER
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profiler::dumpBlocksToFile("test.prof");
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#endif
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// QPrinter* printer = new QPrinter;
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// QPrintDialog dialog(printer);
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// if (dialog.exec()){
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// QMap<QString, QPrinter*> printers;
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// printers.insert("default",printer);
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// report->printReport(printers);
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// }
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report->setShowProgressDialog(true);
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report->previewReport();
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}
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}
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void MainWindow::renderStarted()
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{
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if (report->isShowProgressDialog()){
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m_currentPage = 0;
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m_progressDialog = new QProgressDialog(tr("Start render"),tr("Cancel"),0,0,this);
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//m_progressDialog->setWindowModality(Qt::WindowModal);
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connect(m_progressDialog, SIGNAL(canceled()), report, SLOT(cancelRender()));
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QApplication::processEvents();
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m_progressDialog->show();
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}
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}
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void MainWindow::renderPageFinished(int renderedPageCount)
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{
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if (m_progressDialog){
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m_progressDialog->setLabelText(QString::number(renderedPageCount)+tr(" page rendered"));
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m_progressDialog->setValue(renderedPageCount);
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}
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}
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void MainWindow::renderFinished()
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{
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if (m_progressDialog){
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m_progressDialog->close();
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delete m_progressDialog;
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}
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m_progressDialog = 0;
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}
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void MainWindow::prepareData(QSqlQuery* ds, LimeReport::CallbackInfo info, QVariant &data)
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{
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switch (info.dataType) {
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case LimeReport::CallbackInfo::ColumnCount:
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data = ds->record().count();
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break;
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case LimeReport::CallbackInfo::IsEmpty:
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data = !ds->first();
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break;
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case LimeReport::CallbackInfo::HasNext:
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data = ds->next();
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ds->previous();
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break;
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case LimeReport::CallbackInfo::ColumnHeaderData:
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if (info.index < ds->record().count())
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data = ds->record().fieldName(info.index);
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break;
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case LimeReport::CallbackInfo::ColumnData:
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data = ds->value(ds->record().indexOf(info.columnName));
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break;
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default: break;
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}
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}
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void MainWindow::slotGetCallbackData(LimeReport::CallbackInfo info, QVariant &data)
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{
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if (!m_customers) return;
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prepareData(m_customers, info, data);
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}
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void MainWindow::slotChangePos(const LimeReport::CallbackInfo::ChangePosType &type, bool &result)
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{
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QSqlQuery* ds = m_customers;
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if (!ds) return;
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if (type == LimeReport::CallbackInfo::First) {result = ds->first();}
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else {result = ds->next();}
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if (result){
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m_orders->bindValue(":id",m_customers->value(m_customers->record().indexOf("CustomerID")));
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m_orders->exec();
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}
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}
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void MainWindow::slotGetCallbackChildData(LimeReport::CallbackInfo info, QVariant &data)
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{
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if (!m_orders) return ;
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prepareData(m_orders, info, data);
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}
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void MainWindow::slotChangeChildPos(const LimeReport::CallbackInfo::ChangePosType &type, bool &result)
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{
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QSqlQuery* ds = m_orders;
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if (!ds) return;
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if (type == LimeReport::CallbackInfo::First) result = ds->first();
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else result = ds->next();
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}
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void MainWindow::slotOneSlotDS(LimeReport::CallbackInfo info, QVariant &data)
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{
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QStringList columns;
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columns << "Name" << "Value" << "Image";
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switch (info.dataType) {
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case LimeReport::CallbackInfo::RowCount:
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data = 4;
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break;
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case LimeReport::CallbackInfo::ColumnCount:
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data = columns.size();
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break;
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// case LimeReport::CallbackInfo::IsEmpty:
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// data = false;
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// break;
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case LimeReport::CallbackInfo::ColumnHeaderData: {
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data = columns.at(info.index);
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break;
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}
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case LimeReport::CallbackInfo::ColumnData:
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if (info.columnName == "Image")
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data = QImage(":/report//images/logo32");
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else {
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data = info.columnName+" "+QString::number(info.index);
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}
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break;
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default: break;
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}
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}
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