mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"


MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    place_button_checked = edge_button_checked = false;
}

MainWindow::~MainWindow()
{
    delete ui;
}

// Place
void MainWindow::on_pushButton_clicked()
{
    if (place_button_checked)
    {
        ui->graphicsView->setDrawType(NO_TYPE);
        ui->pushButton->setChecked(false);
        place_button_checked = false;
    }
    else
    {
        ui->graphicsView->setDrawType(PLACE);
        ui->pushButton_2->setChecked(false);
        edge_button_checked = false;
        ui->pushButton->setChecked(true);
        place_button_checked = true;
    }
}

// Edge
void MainWindow::on_pushButton_2_clicked()
{
    if (edge_button_checked)
    {
        ui->graphicsView->setDrawType(NO_TYPE);
        ui->pushButton_2->setChecked(false);
        edge_button_checked = false;
    }
    else
    {
        ui->graphicsView->setDrawType(EDGE);
        ui->pushButton->setChecked(false);
        place_button_checked = false;
        ui->pushButton_2->setChecked(true);
        edge_button_checked = true;
    }
}

// Clear
void MainWindow::on_pushButton_3_clicked()
{
    QMessageBox::StandardButton reply;
    reply = QMessageBox::question(this, "Editor", "Really clear all?",
                                  QMessageBox::Yes|QMessageBox::No);
    if (reply == QMessageBox::Yes)
        ui->graphicsView->clearAll();
}

// Save
void MainWindow::on_actionSave_triggered()
{
    fio.saveToFile();
}

// Load
void MainWindow::on_actionLoad_triggered()
{
    fio.LoadFromFile();
    if (fio.graphChanged())
    {
        ui->graphicsView->clearView();
        ui->graphicsView->redrawView();
    }
}

// Simulate
void MainWindow::on_pushButton_4_clicked()
{
    if (glob_places.empty() || glob_edges.empty())
    {
        QMessageBox::information(0, "Simulator", "No graph to simulate on.");
        return;
    }

    QInputDialog qDialog;
    QStringList items;
    foreach (gEdge *e, glob_edges)
    {
        if (!items.contains(QString::number(e->getFrom()->id())))
            items << QString::number(e->getFrom()->id());
        if (!items.contains(QString::number(e->getTo()->id())))
            items << QString::number(e->getTo()->id());
    }
    foreach (gPlace *p, glob_places)
    {
        if (!items.contains(QString::number(p->id())))
        {
            QMessageBox::information(0, "Simulator", "Graph must be connected.");
            return;
        }
    }
    items.sort();
    qDialog.setOptions(QInputDialog::UseListViewForComboBoxItems);
    qDialog.setComboBoxItems(items);
    qDialog.setWindowTitle("Choose root node");
    QObject::connect(&qDialog, SIGNAL(textValueSelected(const QString &)),
               this, SLOT(setRoot(const QString &)));
    if (qDialog.exec() == QDialog::Rejected)
    {
        QMessageBox::information(0, "Simulator", "You need to select root "
                                 "ID before simulation.");
        return;
    }

    simdlg = new SimulationDialog(root_id, this);
    simdlg->setWindowFlags(Qt::Window | Qt::WindowMinimizeButtonHint
                           | Qt::WindowMaximizeButtonHint
                           | Qt::WindowCloseButtonHint);
    simdlg->exec();

    delete simdlg;

    // reset graph colors
    foreach (gEdge *e, glob_edges)
    {
        e->getFrom()->setBrushYellow();
        e->getTo()->setBrushYellow();
        e->setPenBlack();
    }

    ui->graphicsView->clearView();
    ui->graphicsView->redrawView();
}

void MainWindow::setRoot(const QString &root)
{
    root_id = root.toUInt();
}

// About
void MainWindow::on_actionAbout_triggered()
{
    //QMessageBox a()
    QMessageBox msgBox(QMessageBox::Information, "About",
                       "Prim algorithm simulator using Fibonacci heaps.<br>"
                       "<br>Authors:<br>"
                       "Erik Skultety<br>"
                       "Matus Marhefka<br><br>"
                       "Git repository:<br>"
                       "<a href=\"https://github.com/eskultety/FibonacciHeaps_demo/"
                       "\">https://github.com/eskultety/FibonacciHeaps_demo/</a>"
                       );
    msgBox.setTextFormat(Qt::RichText);
    msgBox.exec();
}