** $QT_BEGIN_LICENSE:BSD$

** You may use this file under the terms of the BSD license as follows:

** "Redistribution and use in source and binary forms, with or without

** modification, are permitted provided that the following conditions are

** met:

**   * Redistributions of source code must retain the above copyright

**     notice, this list of conditions and the following disclaimer.

**   * Redistributions in binary form must reproduce the above copyright

**     notice, this list of conditions and the following disclaimer in

**     the documentation and/or other materials provided with the

**     distribution.

**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor

**     the names of its contributors may be used to endorse or promote

**     products derived from this software without specific prior written

**     permission.

** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."

//! [0]

    : QGraphicsObject(parent), color(Qt::lightGray), dragOver(false)

//! [0]

//! [1]

    if (event->mimeData()->hasColor()) {

//! [1]

//! [2]

//! [2]

//! [3]

//! [3]

//! [4]

//! [4]

//! [5]

//! [5]

//! [6]

//! [6]

//! [7]

void RobotHead::dragEnterEvent(QGraphicsSceneDragDropEvent *event)

    if (event->mimeData()->hasImage()) {

        event->setAccepted(true);

        dragOver = true;

        update();

    } else {

        RobotPart::dragEnterEvent(event);

    }

//! [7]

//! [8]

void RobotHead::dropEvent(QGraphicsSceneDragDropEvent *event)

{

    if (event->mimeData()->hasImage()) {

        dragOver = false;

        pixmap = qVariantValue<QPixmap>(event->mimeData()->imageData());

        update();

    } else {

        RobotPart::dropEvent(event);

    }

}

//! [8]

//! [10]

Robot::Robot(QGraphicsItem *parent)

    : RobotPart(parent)

    setFlag(ItemHasNoContents);

    QGraphicsObject *torsoItem = new RobotTorso(this);

    QGraphicsObject *headItem = new RobotHead(torsoItem);

    QGraphicsObject *upperLeftArmItem = new RobotLimb(torsoItem);

    QGraphicsObject *lowerLeftArmItem = new RobotLimb(upperLeftArmItem);

    QGraphicsObject *upperRightArmItem = new RobotLimb(torsoItem);

    QGraphicsObject *lowerRightArmItem = new RobotLimb(upperRightArmItem);

    QGraphicsObject *upperRightLegItem = new RobotLimb(torsoItem);

    QGraphicsObject *lowerRightLegItem = new RobotLimb(upperRightLegItem);

    QGraphicsObject *upperLeftLegItem = new RobotLimb(torsoItem);

    QGraphicsObject *lowerLeftLegItem = new RobotLimb(upperLeftLegItem);

//! [10]

//! [11]

//! [11]

//! [12]

    QParallelAnimationGroup *animation = new QParallelAnimationGroup(this);

    QPropertyAnimation *headAnimation = new QPropertyAnimation(headItem, "rotation");

    headAnimation->setStartValue(20);

    headAnimation->setEndValue(-20);

    QPropertyAnimation *headScaleAnimation = new QPropertyAnimation(headItem, "scale");

    headScaleAnimation->setEndValue(1.1);

    animation->addAnimation(headAnimation);

    animation->addAnimation(headScaleAnimation);

//! [12]

    QPropertyAnimation *upperLeftArmAnimation = new QPropertyAnimation(upperLeftArmItem, "rotation");

    upperLeftArmAnimation->setStartValue(190);

    upperLeftArmAnimation->setEndValue(180);

    animation->addAnimation(upperLeftArmAnimation);

    QPropertyAnimation *lowerLeftArmAnimation = new QPropertyAnimation(lowerLeftArmItem, "rotation");

    lowerLeftArmAnimation->setStartValue(50);

    lowerLeftArmAnimation->setEndValue(10);

    animation->addAnimation(lowerLeftArmAnimation);

    QPropertyAnimation *upperRightArmAnimation = new QPropertyAnimation(upperRightArmItem, "rotation");

    upperRightArmAnimation->setStartValue(300);

    upperRightArmAnimation->setEndValue(310);

    animation->addAnimation(upperRightArmAnimation);

    QPropertyAnimation *lowerRightArmAnimation = new QPropertyAnimation(lowerRightArmItem, "rotation");

    lowerRightArmAnimation->setStartValue(0);

    lowerRightArmAnimation->setEndValue(-70);

    animation->addAnimation(lowerRightArmAnimation);

    QPropertyAnimation *upperLeftLegAnimation = new QPropertyAnimation(upperLeftLegItem, "rotation");

    upperLeftLegAnimation->setStartValue(150);

    upperLeftLegAnimation->setEndValue(80);

    animation->addAnimation(upperLeftLegAnimation);

    QPropertyAnimation *lowerLeftLegAnimation = new QPropertyAnimation(lowerLeftLegItem, "rotation");

    lowerLeftLegAnimation->setStartValue(70);

    lowerLeftLegAnimation->setEndValue(10);

    animation->addAnimation(lowerLeftLegAnimation);

    QPropertyAnimation *upperRightLegAnimation = new QPropertyAnimation(upperRightLegItem, "rotation");

    upperRightLegAnimation->setStartValue(40);

    upperRightLegAnimation->setEndValue(120);

    animation->addAnimation(upperRightLegAnimation);

    QPropertyAnimation *lowerRightLegAnimation = new QPropertyAnimation(lowerRightLegItem, "rotation");

    lowerRightLegAnimation->setStartValue(10);

    lowerRightLegAnimation->setEndValue(50);

    animation->addAnimation(lowerRightLegAnimation);

    QPropertyAnimation *torsoAnimation = new QPropertyAnimation(torsoItem, "rotation");

    torsoAnimation->setStartValue(5);

    torsoAnimation->setEndValue(-20);

    animation->addAnimation(torsoAnimation);

//! [13]

    for (int i = 0; i < animation->animationCount(); ++i) {

        QPropertyAnimation *anim = qobject_cast<QPropertyAnimation *>(animation->animationAt(i));

        anim->setEasingCurve(QEasingCurve::SineCurve);

        anim->setDuration(2000);

    }

    animation->setLoopCount(-1);

    animation->start();

//! [13]

//! [9]

//! [9]