mirror of
https://github.com/fralx/LimeReport.git
synced 2024-12-23 16:22:58 +03:00
304 lines
11 KiB
C++
304 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 <QDebug>
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#include <QFileDialog>
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#include <QMessageBox>
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#include <QPrinter>
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#include <QStringListModel>
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#include <QtSql/QSqlQuery>
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#include <QtSql/QSqlRecord>
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#include <LRCallbackDS>
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#include <LimeReport>
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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),
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m_progressDialog(0),
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m_customers(0),
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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)), 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
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= report->dataManager()->createCallbackDatasource("master");
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connect(callbackDatasource, SIGNAL(getCallbackData(LimeReport::CallbackInfo, QVariant&)), this,
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SLOT(slotGetCallbackData(LimeReport::CallbackInfo, QVariant&)));
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connect(callbackDatasource,
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SIGNAL(changePos(const LimeReport::CallbackInfo::ChangePosType&, bool&)), this,
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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&)), this,
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SLOT(slotGetCallbackChildData(LimeReport::CallbackInfo, QVariant&)));
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connect(callbackDatasource,
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SIGNAL(changePos(const LimeReport::CallbackInfo::ChangePosType&, bool&)), this,
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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&)), this,
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SLOT(slotOneSlotDS(LimeReport::CallbackInfo, QVariant&)));
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QStringList simpleData;
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simpleData << "value1"
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<< "value2"
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<< "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"
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<< "value2";
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// QScriptValue value =
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// 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(),
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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(
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this, "Select report file", QApplication::applicationDirPath() + "/demo_reports/",
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"*.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(),
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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:
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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)
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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)
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return;
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if (type == LimeReport::CallbackInfo::First) {
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result = ds->first();
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} else {
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result = ds->next();
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}
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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)
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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,
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bool& result)
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{
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QSqlQuery* ds = m_orders;
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if (!ds)
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return;
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if (type == LimeReport::CallbackInfo::First)
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result = ds->first();
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else
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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"
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<< "Value"
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<< "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:
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break;
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}
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}
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