Scenery::Scenery(const Simulation::VelocityMap *m, QGraphicsItem *parent) :
QGraphicsItem(parent)
{
QSize size = m->get_size();
int x, y;
for (x = 0; x < size.width(); x++)
{
for (y = 0; y < size.height(); y++)
{
ArrowItem *i = new ArrowItem(this);
i->limitLength(0.5);
i->setPos(x, y);
i->setVel(m->Get_Velocity_At(x, y)/5);
}
}
}
ViewItem* ArrowItemFactory::generateGraphics(QXmlStreamReader& xml, ObjectStore *store, View *view, ViewItem *parent) {
ArrowItem *rc = 0;
while (!xml.atEnd()) {
bool validTag = true;
if (xml.isStartElement()) {
if (!rc && xml.name().toString() == "arrow") {
Q_ASSERT(!rc);
rc = new ArrowItem(view);
if (parent) {
rc->setParentViewItem(parent);
}
QXmlStreamAttributes attrs = xml.attributes();
QStringRef av;
av = attrs.value("startarrowhead");
if (!av.isNull()) {
rc->setStartArrowHead(QVariant(av.toString()).toBool());
}
av = attrs.value("endarrowhead");
if (!av.isNull()) {
rc->setEndArrowHead(QVariant(av.toString()).toBool());
}
av = attrs.value("startarrowheadscale");
if (!av.isNull()) {
rc->setStartArrowScale(QVariant(av.toString()).toDouble());
}
av = attrs.value("endarrowheadscale");
if (!av.isNull()) {
rc->setEndArrowScale(QVariant(av.toString()).toDouble());
}
// Add any new specialized ArrowItem Properties here.
} else {
Q_ASSERT(rc);
if (!rc->parse(xml, validTag) && validTag) {
ViewItem *i = GraphicsFactory::parse(xml, store, view, rc);
if (!i) {
}
}
}
} else if (xml.isEndElement()) {
if (xml.name().toString() == "arrow") {
break;
} else {
validTag = false;
}
}
if (!validTag) {
qDebug("invalid Tag\n");
Debug::self()->log(QObject::tr("Error creating arrow object from Kst file."), Debug::Warning);
delete rc;
return 0;
}
xml.readNext();
}
return rc;
}
void RelationStarter::addArrow(const QString &id, ArrowItem::Shaft shaft,
ArrowItem::Head endHead, ArrowItem::Head startHead)
{
QMT_CHECK(!id.isEmpty());
prepareGeometryChange();
ArrowItem *arrow = new ArrowItem(this);
arrow->setArrowSize(10.0);
arrow->setDiamondSize(15.0);
arrow->setShaft(shaft);
arrow->setStartHead(startHead);
arrow->setEndHead(endHead);
arrow->setPoints(QList<QPointF>() << QPointF(0.0, 10.0) << QPointF(15.0, 0.0));
arrow->setPos(6.0, m_arrows.size() * 20.0 + 8.0);
arrow->update(m_diagramSceneModel->styleController()->relationStarterStyle());
m_arrows.append(arrow);
m_arrowIds.insert(arrow, id);
setRect(0.0, 0.0, 26.0, m_arrows.size() * 20.0 + 6.0);
}
