C++ Stub::getData方法代码示例

/*!
 * Function: slot_get_graph
 * Description: When "Get Graph" is clicked, this function is responsible for generating the graph based on the data passed,
 * a full description of each part is given below
 * @param bool check when it is check
 */
void MainWindow::slot_get_graph(bool)
{


    Stub *stub = new Stub(); //! stub contains data for testing purpose.

    //! This is the variable for bar width; the value will be calculated and scaled accordingly, depending on how
    //! many checkboxes were selected
    double barWidth = 0;
    double i = 0;  //! loop index; counts how many checkboxes where checked
    int barsAdded = 0;


    //! Creating the legend box
    ui -> customPlot -> legend -> clearItems();
    ui -> customPlot -> axisRect()->insetLayout()->setInsetAlignment(0,Qt::AlignTop|Qt::AlignRight);
    ui -> customPlot -> legend -> setVisible(true);
    ui->customPlot->clearPlottables(); //! clear the graph

    //! Set graph interval
    ui->customPlot->xAxis->setAutoTickStep(0);
    ui->customPlot->xAxis->setTicks(1);
    ui->customPlot->xAxis->setTickStep(1.0);
    ui->customPlot->xAxis->setSubTickCount(0);

    chartcolour *colourSelect = new chartcolour();

    ui->customPlot->legend->clearItems();       //!Clears the existing data from the legend
    ui->customPlot->axisRect()->setAutoMargins(QCP::msLeft | QCP::msTop | QCP::msBottom);
    ui->customPlot->axisRect()->setMargins(QMargins(0,0,150,0));
    ui->customPlot->axisRect()->insetLayout()->setInsetPlacement(0, QCPLayoutInset::ipFree);
    ui->customPlot->axisRect()->insetLayout()->setInsetRect(0, QRectF(1.1,0,0.1,0.1));



    //! Scaling the bar width based on the number of cities checked
        if (ui->barrie->isChecked()) {
            ++i;
        }
        if (ui->calgary->isChecked()) {
            ++i;
        }
        if (ui->hamilton->isChecked()) {
            ++i;
        }
        if (ui->london->isChecked()) {
            ++i;
        }
        if (ui->ottawa->isChecked()) {
            ++i;
        }
        if (ui->sudbury->isChecked()) {
            ++i;
        }
        if (ui->thunderBay->isChecked()) {
            ++i;
        }
        if (ui->toronto->isChecked()) {
            ++i;
        }

        if (ui->windsor->isChecked()) {
            ++i;
        }
        if (ui->winnipeg->isChecked()) {
            ++i;
        }


    //! Calculating the new bar width
    double totalWidth = 0.8;
    barWidth = totalWidth / i;
    double setBack = totalWidth/2;
    double offset = 0;


    //! Plot data and create a bar graph for Barrie if this city is selected
    if(ui->barrie->isChecked()) {   //! if barrie is checked
            QCPBars *myBars = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
            myBars->setWidth(barWidth);
            myBars->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
            myBars->setName("Barrie");

            ui->customPlot->addPlottable(myBars);
            //! Barrie data
            QVector<double> barrieDatatemp = stub->getData("Barrie");
            QVector<double> barrieData;
            QVector<double> valueYears;

            offset = (barWidth*barsAdded)+(barWidth/2);

            /*!
                Checks which years are checked.  Plots the years selected, and scales the graph accordingly.
              */
//.........这里部分代码省略.........