public T GetOrAddPin <T>(Action <T> factory, string id, GraphValueType type = null) where T : IPin, new()
{
if (string.IsNullOrEmpty(id))
{
var pins = Pins.Where(p => p.Id.StartsWith("#")).ToList();
id = "#" + (pins.Count == 0?0:pins.Max(p => int.Parse(p.Id.TrimStart('#'))) + 1);
}
else
{
var pin = Pins.FirstOrDefault(p => p.Id == id);
if (pin is T tp)
{
return(tp);
}
}
var newPin = new T
{
Id = id,
Group = this,
};
if (type != null)
{
newPin.ValueType = type;
}
factory?.Invoke(newPin);
Pins.Add(newPin);
return(newPin);
}
private void HandleMouseLeftButtonDown(object sender, MouseButtonEventArgs eventArgs)
{
var targetElementUserControl = DesignCanvas.Children.Cast <UIElement>()
.Where(uiElement => uiElement is IElementUserControl)
.FirstOrDefault(elementUserControl => elementUserControl.InputHitTest(Mouse.GetPosition(elementUserControl)) != null);
if (targetElementUserControl == null)
{
return;
}
// creating a wire
var originPin = (targetElementUserControl as IElementUserControl) !.Pins
.FirstOrDefault(connectionPin => connectionPin.InputHitTest(Mouse.GetPosition(connectionPin)) != null);
if (originPin != null)
{
// if not an output pin
if ((targetElementUserControl as IElementUserControl) !.Pins[0] != originPin)
{
return;
}
StartWireCreation(targetElementUserControl, originPin);
return;
}
// moving an element
StartElementMove(targetElementUserControl);
}
async void Update(Xamarin.Forms.GoogleMaps.Position position)
{
if (Pins.Count == 1 && Polylines != null && Polylines?.Count > 1)
{
return;
}
var cPin = Pins.FirstOrDefault();
if (cPin != null)
{
cPin.Position = new Position(position.Latitude, position.Longitude);
cPin.Icon = (Device.RuntimePlatform == Device.Android) ? BitmapDescriptorFactory.FromBundle("ic_taxi.png") : BitmapDescriptorFactory.FromView(new Image()
{
Source = "ic_taxi.png", WidthRequest = 25, HeightRequest = 25
});
await MoveCamera(CameraUpdateFactory.NewPosition(new Position(position.Latitude, position.Longitude)));
var previousPosition = Polylines?.FirstOrDefault()?.Positions?.FirstOrDefault();
Polylines?.FirstOrDefault()?.Positions?.Remove(previousPosition.Value);
}
else
{
//END TRIP
Polylines?.FirstOrDefault()?.Positions?.Clear();
}
}
private void FavAddressSearch_OnSelectedAction(object sender, EventArgs e)
{
if (sender is AddressesSearch asS)
{
if (asS.SelectedAddress == null)
{
return;
}
var currPin = Pins?.FirstOrDefault();
if (currPin != null)
{
Pins.Clear();
currPin.Location = new Location(asS.SelectedAddress.Lat, asS.SelectedAddress.Lon);
Pins.Add(currPin);
}
else
{
if (!Locations.Any(p => p.Address == asS.SelectedAddress))
{
Pins.Clear();
Pins.Add(new Pushpin()
{
Location = new Location(asS.SelectedAddress.Lat, asS.SelectedAddress.Lon), Content = Tools.CreateIcon((Editing == null) ? PackIconKind.Plus : PackIconKind.Edit)
});
}
}
if (!(currPin != null && (Math.Abs(currPin.Location.Latitude - asS.SelectedAddress.Lat) < 1 || Math.Abs(currPin.Location.Longitude - asS.SelectedAddress.Lon) < 1)))
{
FavMap.Center = new Location(asS.SelectedAddress.Lat, asS.SelectedAddress.Lon);
}
}
}
private async void UpdateListCart(object sender, EventArgs e)
{
if (Driver.Current == null)
{
return;
}
var result = await DataService.GetDriverOrdersOnMap();
if (result == null || result.Status != 0)
{
return;
}
Device.BeginInvokeOnMainThread(() =>
{
//list of showing pins in map
var availablePins = new List <OrderPin>();
foreach (var r in result.Data)
{
if (!availableStatus.Contains(r.OrderStatus))
{
continue;
}
var existPin = Pins.FirstOrDefault(x => x.Id == r.OrderId);
string namePin = r.OrderStatus == Enums.OrderStatus.NewOrder ? "red_pin" : "green_pin";
if (existPin == null)
{
existPin = new OrderPin
{
Id = r.OrderId,
Position = new Position(r.Latitude, r.Longitude),
Title = "Order No:" + r.OrderId,
Image = Device.OnPlatform(namePin, namePin, string.Empty),
ShowCallout = true,
};
Pins.Add(existPin);
}
else
{
existPin.Image = Device.OnPlatform(namePin, namePin, string.Empty);
}
availablePins.Add(existPin);
}
//delete older pins
for (int i = 0; i < Pins.Count; i++)
{
if (availablePins.FirstOrDefault(x => x.Id == Pins[i].Id) == null)
{
if (Pins != null)
{
Pins.RemoveAt(i);
i--;
}
}
}
});
}
private void OnMapClicked(Position position)
{
string title = "my location";
var existingPin = Pins.FirstOrDefault();
if (existingPin != null)
{
title = existingPin.Title;
}
Pins.Clear(); //TODO: Add PinSelectionMode.Single / Multiple
AddPin(position, title);
}
private void SetSelectedItem(int direction)
{
if (SelectedItem == null)
{
SelectedItem = Pins.FirstOrDefault();
}
var index = Pins.IndexOf(SelectedItem as IMapPin);
var newIndex = (index + direction) % (Pins.Count);
if (newIndex < 0)
{
newIndex = Pins.Count - 1;
}
SelectedItem = Pins[newIndex];
}
private async void DrawPins()
{
var drivers = await DataService.GetDriversAvailablePostion();
Device.BeginInvokeOnMainThread(() =>
{
if (Pins == null || drivers.Status != 0 || drivers.Data == null)
{
return;
}
var availablePins = new List <DriverPin>();
foreach (var driver in drivers.Data)
{
var existPin = Pins.FirstOrDefault(x => x.DriverPosition.DriverId == driver.DriverId);
var icon = driver.ProductType == 0 ? "car1" : "car" + driver.ProductType;
if (existPin == null)
{
existPin = new DriverPin
{
DriverPosition = driver,
ShowCallout = true,
Position = new Position(driver.Latitude, driver.Longitude),
Image = Device.OnPlatform(icon, icon, string.Empty)
};
Pins.Add(existPin);
}
else
{
existPin.DriverPosition = driver;
existPin.Position = new Position(driver.Latitude, driver.Longitude);
existPin.Image = Device.OnPlatform(icon, icon, string.Empty);
}
availablePins.Add(existPin);
}
//clear not use pins
for (int i = 0; i < Pins.Count; i++)
{
if (availablePins.FirstOrDefault(x => x.DriverPosition.DriverId == Pins[i].DriverPosition.DriverId) == null)
{
Pins.RemoveAt(i);
i--;
}
}
});
}