#include "displaycell.h"

#include <QtGui>



DisplayCell::DisplayCell(QGraphicsItem *parent)

    : BaseGraphicsObject(parent)

    , m_tooltip(new ToolTip("My Tooltip"))

    , m_show_tooltip(false)

    , m_labor_on(false)

    , m_bg(QBrush(Qt::gray))

    , m_bg_selected(QBrush(Qt::yellow))

{

    setAcceptHoverEvents(true);

    m_tooltip->setZValue(1);

    m_tooltip->hide();

    this->setFlag(QGraphicsItem::ItemIsFocusable, true);



    connect(this, SIGNAL(hover_start()), SLOT(on_hover_start()));

    connect(this, SIGNAL(hover_stop()), SLOT(on_hover_stop()));

    connect(this, SIGNAL(single_click()), SLOT(toggle()));

}



DisplayCell::~DisplayCell() {

    if (m_tooltip)

        m_tooltip->deleteLater();

}



QRectF DisplayCell::boundingRect() const {

    return QRectF(-box_w / 2.0f, -box_h / 2.0f, box_w, box_h);

}



void DisplayCell::paint(QPainter *p, const QStyleOptionGraphicsItem *opt,

                        QWidget *widget) {

    p->save();

    if (scene()->focusItem() == this) {

        p->setPen(QPen(Qt::white, 0.5));

    } else {

        p->setPen(QPen(Qt::black, 0.5));

    }

    if (isEnabled() && m_labor_on) {

        p->setBrush(m_bg_selected);

    } else {

        p->setBrush(m_bg);

    }

    p->drawRect(boundingRect().adjusted(0.5f, 0.5f, -0.5f, -0.5f));

    p->restore();

}



void DisplayCell::on_hover_start() {

    scene()->setFocusItem(this, Qt::MouseFocusReason);

    //qDebug() << "Hover";

    m_show_tooltip = true;

    QTimer::singleShot(100, this, SLOT(maybe_show_tooltip()));

}



void DisplayCell::on_hover_stop() {

    //qDebug() << "Leave";

    m_show_tooltip = false;

    m_tooltip->hide();

}



void DisplayCell::on_added_to_scene(QGraphicsScene *scene) {

    scene->addItem(m_tooltip);

}



void DisplayCell::maybe_show_tooltip() {

    if (m_show_tooltip) {

        m_tooltip->setPos(mapToScene(boundingRect().bottomRight()) +

                          QPoint(4, 4));

        m_tooltip->show();



        /*

        QPropertyAnimation *ani = new QPropertyAnimation(m_tooltip, "scale");

        connect(ani, SIGNAL(finished()), ani, SLOT(deleteLater()));

        ani->setDuration(200);

        ani->setStartValue(0.4f);

        ani->setEndValue(1.0f);

        ani->setEasingCurve(QEasingCurve::InExpo);

        */



        QPropertyAnimation *ani2 = new QPropertyAnimation(m_tooltip, "opacity");

        connect(ani2, SIGNAL(finished()), ani2, SLOT(deleteLater()));

        ani2->setDuration(500);

        ani2->setStartValue(0);

        ani2->setEndValue(1.0f);



        //ani->start();

        ani2->start();

    }

    m_show_tooltip = false;

}



void DisplayCell::toggle() {

    qDebug() << this << "toggled!";

    m_labor_on = !m_labor_on;

    maybe_update();

    //update();

}