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

#include <QGraphicsRectItem>
#include <QApplication>
#include "list.h"

void MainWindow::display (List & list)
{
    list.print ();
    int x = 0;
    Data * t = list.getFirst();
    while (t != nullptr)
    {
        QColor c (t->r, t->g, t->b);

        QGraphicsRectItem * r = new QGraphicsRectItem;
        r->setRect (x, y, 100, 40);
        r->setPen (c);
        r->setBrush (c.lighter());
        r->setToolTip (QString::fromStdString (t->name));
        scene->addItem(r);
        x += 120;

        t = t->getNext ();
    }
    y += 60;
}

void MainWindow::on_actionRun_triggered()
{
    List a;
    a.insertFirst(new Data("Cervena", 255, 0, 0));
    a.insertLast(new Data("Zelena", 0, 255, 0));
    a.insertFirst(new Data("Modra", 0, 0, 255));
    display (a);

    a.insertAfter(a.getFirst(), new Data("Zluta", 255, 255, 0));
    a.insertBefore(a.getFirst(), new Data("Oranzova", 255, 140, 0));
    a.insertBefore(a.getLast(), new Data("Ruzova", 255, 20, 147));
    display (a);

    List b;
    while (a.getFirst() != nullptr)
    {
        Data * data = a.getFirst();
        a.remove(data);
        b.insertFirst(data);

    }
    b.print();
    display (b);

    b.purge ();
    display (b);
}

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    scene = new QGraphicsScene ();
    ui->graphicsView->setScene (scene);
    y = 0;
}

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

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();

    return a.exec();
}


void MainWindow::on_actionQuit_triggered()
{
    close ();
}