bool AbstractContent::fromXml(QDomElement & pe)
{
// restore content properties
QDomElement domElement;
// Load image size saved in the rect node
domElement = pe.firstChildElement("rect");
qreal x, y, w, h;
x = domElement.firstChildElement("x").text().toDouble();
y = domElement.firstChildElement("y").text().toDouble();
w = domElement.firstChildElement("w").text().toDouble();
h = domElement.firstChildElement("h").text().toDouble();
resizeContents(QRect(x, y, w, h));
// Load position coordinates
domElement = pe.firstChildElement("pos");
x = domElement.firstChildElement("x").text().toDouble();
y = domElement.firstChildElement("y").text().toDouble();
setPos(x, y);
int zvalue = pe.firstChildElement("zvalue").text().toDouble();
setZValue(zvalue);
bool visible = pe.firstChildElement("visible").text().toInt();
setVisible(visible);
bool hasText = pe.firstChildElement("frame-text-enabled").text().toInt();
setFrameTextEnabled(hasText);
if (hasText) {
QString text = pe.firstChildElement("frame-text").text();
setFrameText(text);
}
quint32 frameClass = pe.firstChildElement("frame-class").text().toInt();
setFrame(frameClass ? FrameFactory::createFrame(frameClass) : 0);
// restore transformation
QDomElement te = pe.firstChildElement("transformation");
if (!te.isNull()) {
m_xRotationAngle = te.attribute("xRot").toDouble();
m_yRotationAngle = te.attribute("yRot").toDouble();
m_zRotationAngle = te.attribute("zRot").toDouble();
applyRotations();
}
domElement = pe.firstChildElement("mirror");
setMirrorEnabled(domElement.attribute("state").toInt());
return true;
}
void AbstractContent::dispose()
{
// stick this item
setFlags((GraphicsItemFlags)0x00);
// fade out mirror too
setMirrorEnabled(false);
// little rotate animation
#if QT_VERSION >= 0x040600
QPropertyAnimation * ani = new QPropertyAnimation(this, "rotation");
ani->setEasingCurve(QEasingCurve::InQuad);
ani->setDuration(300);
ani->setEndValue(-30.0);
ani->start(QPropertyAnimation::DeleteWhenStopped);
#endif
// standard disposition
AbstractDisposeable::dispose();
}
AbstractContent::AbstractContent(QGraphicsScene * scene, QGraphicsItem * parent, bool noRescale)
: AbstractDisposeable(parent, true)
, m_contentsRect(-100, -75, 200, 150)
, m_frame(0)
, m_frameTextItem(0)
, m_controlsVisible(false)
, m_dirtyTransforming(false)
, m_transformRefreshTimer(0)
, m_gfxChangeTimer(0)
, m_mirrorItem(0)
, m_xRotationAngle(0)
, m_yRotationAngle(0)
, m_zRotationAngle(0)
{
// the buffered graphics changes timer
m_gfxChangeTimer = new QTimer(this);
m_gfxChangeTimer->setInterval(0);
m_gfxChangeTimer->setSingleShot(true);
// customize item's behavior
setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsFocusable | QGraphicsItem::ItemIsSelectable);
#if QT_VERSION >= 0x040600
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
#endif
// TODO: check this
setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);
setAcceptHoverEvents(true);
setAcceptDrops(true);
// create child controls
createCorner(Qt::TopLeftCorner, noRescale);
createCorner(Qt::TopRightCorner, noRescale);
createCorner(Qt::BottomLeftCorner, noRescale);
createCorner(Qt::BottomRightCorner, noRescale);
//ButtonItem * bFront = new ButtonItem(ButtonItem::Control, Qt::blue, QIcon(":/data/action-order-front.png"), this);
//bFront->setToolTip(tr("Raise"));
//connect(bFront, SIGNAL(clicked()), this, SLOT(slotStackRaise()));
//addButtonItem(bFront);
ButtonItem * bConf = new ButtonItem(ButtonItem::Control, Qt::green, QIcon(":/data/action-configure.png"), this);
bConf->setToolTip(tr("Change properties..."));
connect(bConf, SIGNAL(clicked()), this, SLOT(slotConfigure()));
addButtonItem(bConf);
ButtonItem * bPersp = new ButtonItem(ButtonItem::Control, Qt::red, QIcon(":/data/action-perspective.png"), this);
bPersp->setToolTip(tr("Drag around to change the perspective.\nHold SHIFT to move faster.\nUse CTRL to cancel the transformations."));
connect(bPersp, SIGNAL(dragging(const QPointF&,Qt::KeyboardModifiers)), this, SLOT(slotPerspective(const QPointF&,Qt::KeyboardModifiers)));
connect(bPersp, SIGNAL(doubleClicked()), this, SLOT(slotClearPerspective()));
addButtonItem(bPersp);
ButtonItem * bDelete = new ButtonItem(ButtonItem::Control, Qt::red, QIcon(":/data/action-delete.png"), this);
bDelete->setSelectesParent(false);
bDelete->setToolTip(tr("Remove"));
connect(bDelete, SIGNAL(clicked()), this, SIGNAL(deleteItem()));
addButtonItem(bDelete);
// create default frame
Frame * frame = FrameFactory::defaultPictureFrame();
setFrame(frame);
// hide and layoutChildren buttons
layoutChildren();
// add to the scene
scene->addItem(this);
// display mirror
setMirrorEnabled(RenderOpts::LastMirrorEnabled);
}
