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#include <QtGui>

#include <QtCore/qstate.h>

#include "mainwindow.h"

MainWindow::MainWindow(QWidget *parent)

    : QWidget(parent)

{

    QPixmap kineticPix(":/images/kinetic.png");

    QPixmap bgPix(":/images/Time-For-Lunch-2.jpg");

    QGraphicsScene scene(-350, -350, 700, 700);

    for (int i = 0; i < 64; ++i) {

        Pixmap *item = new Pixmap(kineticPix);

        item->setOffset(-kineticPix.width()/2, -kineticPix.height()/2);

        item->setZValue(i);

        items << item;

        scene.addItem(item);

    }

    // Buttons

    QGraphicsItem *buttonParent = new QGraphicsRectItem;

    ellipseButton = new Button(QPixmap(":/images/ellipse.png"), buttonParent);

    figure8Button = new Button(QPixmap(":/images/figure8.png"), buttonParent);

    randomButton = new Button(QPixmap(":/images/random.png"), buttonParent);

    tiledButton = new Button(QPixmap(":/images/tile.png"), buttonParent);

    centeredButton = new Button(QPixmap(":/images/centered.png"), buttonParent);

    ellipseButton->setPos(-100, -100);

    figure8Button->setPos(100, -100);

    randomButton->setPos(0, 0);

    tiledButton->setPos(-100, 100);

    centeredButton->setPos(100, 100);

    scene.addItem(buttonParent);

    buttonParent->scale(0.75, 0.75);

    buttonParent->setPos(200, 200);

    buttonParent->setZValue(65);

		qDebug() << "qtp_animatedtiles: states next";

    // States

    QState *rootState = new QState;

    QState *ellipseState = new QState(rootState);

    QState *figure8State = new QState(rootState);

    QState *randomState = new QState(rootState);

    QState *tiledState = new QState(rootState);

    QState *centeredState = new QState(rootState);

		qDebug() << "qtp_animatedtiles: values next";

    // Values

    for (int i = 0; i < items.count(); ++i) {

        Pixmap *item = items.at(i);

        // Ellipse

        ellipseState->assignProperty(item, "pos",

                                         QPointF(cos((i / 63.0) * 6.28) * 250,

                                                 sin((i / 63.0) * 6.28) * 250));

        // Figure 8

        figure8State->assignProperty(item, "pos",

                                         QPointF(sin((i / 63.0) * 6.28) * 250,

                                                 sin(((i * 2)/63.0) * 6.28) * 250));

        // Random

        randomState->assignProperty(item, "pos",

                                        QPointF(-250 + qrand() % 500,

                                                -250 + qrand() % 500));

        // Tiled

        tiledState->assignProperty(item, "pos",

                                       QPointF(((i % 8) - 4) * kineticPix.width() + kineticPix.width() / 2,

                                               ((i / 8) - 4) * kineticPix.height() + kineticPix.height() / 2));

        // Centered

        centeredState->assignProperty(item, "pos", QPointF());

    }

		qDebug() << "qtp_animatedtiles: ui next";

    // Ui

    View *view = new View(&scene);

    view->setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Animated Tiles"));

    view->setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);

    view->setBackgroundBrush(bgPix);

    view->setCacheMode(QGraphicsView::CacheBackground);

    view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);

    // view->show();

    QStateMachine states;

    states.addState(rootState);

    states.setInitialState(rootState);

    rootState->setInitialState(centeredState);

		qDebug() << "qtp_animatedtiles: animgroup next";

    QParallelAnimationGroup *group = new QParallelAnimationGroup;

    for (int i = 0; i < items.count(); ++i) {

        QPropertyAnimation *anim = new QPropertyAnimation(items[i], "pos");

        anim->setDuration(750 + i * 25);

        anim->setEasingCurve(QEasingCurve::InOutBack);

        group->addAnimation(anim);

    }

		qDebug() << "qtp_animatedtiles: button signaling next";

    QAbstractTransition *trans = rootState->addTransition(ellipseButton, SIGNAL(pressed()), ellipseState);

    trans->addAnimation(group);

    trans = rootState->addTransition(figure8Button, SIGNAL(pressed()), figure8State);

    trans->addAnimation(group);

    trans = rootState->addTransition(randomButton, SIGNAL(pressed()), randomState);

    trans->addAnimation(group);

    trans = rootState->addTransition(tiledButton, SIGNAL(pressed()), tiledState);

    trans->addAnimation(group);

    trans = rootState->addTransition(centeredButton, SIGNAL(pressed()), centeredState);

    trans->addAnimation(group);

		qDebug() << "qtp_animatedtiles: timer next";

    QTimer timer;

    timer.start(125);

    timer.setSingleShot(true);

    trans = rootState->addTransition(&timer, SIGNAL(timeout()), ellipseState);

    trans->addAnimation(group);

		qDebug() << "qtp_animatedtiles: starting states";

    states.start();

}

void MainWindow::showPosition()

	{

    Pixmap *item = items.at(0);

		qDebug() << "qtp_animatedtiles: position of item[0] x: " << item->x() << "   y: " << item->y();

		}