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#include <QSqlDatabase>
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "main.h"
//#include <QDebug>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
dbRef.close();
delete ui;
}
void MainWindow::on_actionConnection_triggered()
{
_dbConenctor = new dbConnector(this);
_dbConenctor->show();
}
void MainWindow::on_actionRefresh_triggered()
{
QLineSeries *seriesTemperature = new QLineSeries();
QLineSeries *seriesHumidity = new QLineSeries();
_pChart = new QChart();
if(dbRef.open()){
QSqlQuery queryGraphData;
queryGraphData.exec("select `tblMain`.`ID`, `temperature`, `humidity`, `pressure` FROM `tblMain` ORDER BY `tblMain`.`ID` DESC limit 16;");
// queryGraphData.exec("select `tblMain`.`ID`, `temperature`, `humidity`, `pressure` FROM `tblMain`;");
for (int i = 0; queryGraphData.next(); ++i) {
// seriesTemp->append(queryGraphData.value(0).toInt(), queryGraphData.value(1).toInt());
seriesTemperature->append(i, queryGraphData.value(1).toFloat());
seriesHumidity->append(i, queryGraphData.value(2).toFloat()*100);
}
_pChart->legend()->show();
_pChart->addSeries(seriesTemperature);
_pChart->addSeries(seriesHumidity);
_pChart->createDefaultAxes();
_pChart->setTitle("Weather data:");
_pChartView = new QChartView(_pChart);
MainWindow::setCentralWidget(_pChartView);
} else {
QMessageBox::warning(this, "No connection", "Failed to connect");
}
// delete seriesTemperature;
// delete seriesHumidity;
}
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