private PoI CreateWayPoint(Point pos, TrackPoiType trackPoiType)
{
var layer = Poi.Layer;
if (!string.IsNullOrEmpty(layer))
{
var index = layer.IndexOf("_", StringComparison.InvariantCultureIgnoreCase);
if (index > 0) layer = layer.Substring(0, index);
}
var poi = new PoI
{
Id = Guid.NewGuid(),
Name = trackPoiType.Humanize(),
Service = Model.Service,
ContentId = trackPoiType.ToString(),
UserId = Poi.Id.ToString(),
Layer = layer,
Position = new Position(pos.X, pos.Y),
Style = new DataServer.PoIStyle()
{
DrawingMode = DrawingModes.Point,
FillColor = Colors.Gold,
StrokeColor = Colors.Black,
CallOutFillColor = Colors.White,
CallOutForeground = Colors.Black,
StrokeOpacity = 1,
StrokeWidth = 2,
InnerTextLabel = PoiInnerTextLabel,
TitleMode = TitleModes.Bottom,
TapMode = TapMode.CallOutPopup,
InnerTextColor = Colors.Black,
CanEdit = false
},
MetaInfo = new MetaInfoCollection
{
new MetaInfo { IsEditable = false, Label = "Name", Title = "Name", Type = MetaTypes.text, VisibleInCallOut = true }
}
};
switch (trackPoiType)
{
case TrackPoiType.Start:
poi.Labels[PoiInnerTextLabel] = "α";
break;
case TrackPoiType.End:
poi.Labels[PoiInnerTextLabel] = "Ω";
break;
case TrackPoiType.WayPoint:
poi.Labels[PoiInnerTextLabel] = "*";
break;
}
Execute.OnUIThread(() =>
{
poi.TriggerUpdated();
Model.Service.PoIs.Add(poi);
});
return poi;
}
private async void OnPoiDeleted(BaseContent poi, TrackPoiType trackPoiType)
{
if (isDeleting) return;
AppState.TriggerDeleteNotification(notification);
switch (trackPoiType)
{
default:
isDeleting = true;
await RemoveRoute(poi);
isDeleting = false;
break;
case TrackPoiType.WayPoint:
var wayPoint = WayPoints.FirstOrDefault(w => w.Id == poi.Id);
if (wayPoint != null) WayPoints.Remove(wayPoint);
ResetPath();
DrawRoute();
break;
}
}
private Guid CreatePoiAndSubscribeToPositionChanged(Point pos, TrackPoiType trackPoiType)
{
var poi = CreatePoI(pos, trackPoiType);
FollowPoiPosition(poi);
return poi.Id;
}
