MapView::MapView(QWidget *parent) : QGraphicsView(parent)
{
outlinePen.setBrush(Qt::white);
setInteractable(true);
//NYI: limit maximum number of current downloads to 2 as specified in the CycleMap tileserver terms,
// this would severely degrade download performance, though. Maybe keep limit at ~5?
requestLimit = 5;
maxReqStackSize = 30;
networkManager = new QNetworkAccessManager(this);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setScene(new QGraphicsScene(this)); //no delete necessary, parent set
setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
lastTileUpdate = QTime(0,0);
currentTime = new QTime(QTime::currentTime());
//tile size: 256px x 256px, in coordinates: 2*PI x 2*PI
scale(128/PI,128/PI); //default zoom == 0
setSceneRect(-PI, -PI, 2*PI, 2*PI);
mapSources.insert(OCM,{OCM,"OpenCycleMap", "http://tile.opencyclemap.org/cycle/", 0, 17});
mapSources.insert(Mapnik,{Mapnik,"OpenStreetMap Mapnik", "http://tile.openstreetmap.org/", 0,18});
mapSources.insert(None,{None,"None","",0,20});
MapSource = {None, "None", "", 0 , 20};
currentZoom = 0; zoomTo(MapSource.minzoom);
connectSignalsAndSlots();
}
void Scene::setNodesInteractable(bool interactable)
{
_nodesInteractable = interactable;
for (auto item : items()) {
auto nodeItem = dynamic_cast<Node *>(item);
if (nodeItem) {
nodeItem->setInteractable(interactable);
}
}
}
void UpdateDialog::setState(UpdaterState newState)
{
ui->progressBar->setValue(0);
state = newState;
switch (state)
{
case CanCheck:
resetUpdateData();
ui->updateButton->setText( tr("Check for updates") );
setInteractable(true);
break;
case Checking:
setInteractable(false);
doCheck();
break;
case CanUpdate:
ui->updateButton->setText( tr("Update client") );
setInteractable(true);
break;
case Updating:
setInteractable(false);
doUpdate();
break;
case CanClose:
ui->updateButton->setText( tr("Close updater") );
setInteractable(true);
break;
default:
log( tr("Error! Updater tool swithed to unknown state!") );
break;
}
}
void Scene::mouseReleaseEvent(QGraphicsSceneMouseEvent *e)
{
auto hoverItem = itemAt(e->scenePos(), QTransform());
if (!hoverItem && _nodesInteractable) {
auto node = new Node;
node->setInteractable(_nodesInteractable);
node->setSelected(true);
node->setPos(e->scenePos());
addItem(node);
} else if (!_nodesInteractable && _currentEdge) {
auto nodeItem = dynamic_cast<Node *>(hoverItem);
if (nodeItem) {
_currentEdge->setEndNode(nodeItem);
} else {
removeItem(_currentEdge);
delete _currentEdge;
}
_currentEdge = nullptr;
}
QGraphicsScene::mouseReleaseEvent(e);
}
