//Methode om de data van de diefstallen en bikecontainers op te halen.
public async Task LoadData()
{
vm = new BikeContainerViewModel();
theftVM = new BikeTheftViewModel();
await vm.GetHaltesAsync();
await theftVM.GetBikeTheftsAsync();
containers = vm.BikeContainers;
thefts = theftVM.BikeThefts;
}
//async methode om neighbourhoods met containers te genereren.
public async Task <BikeGraphModel> GenerateNeighbourhoods()
{
//Een nieuwe bikegraphmodel aanmaken die gebruikt wordt om data in de grafiek te zetten
BikeGraphModel bgm = new BikeGraphModel();
BikeContainerViewModel vm = new BikeContainerViewModel();
await vm.GetHaltesAsync();
ObservableCollection <BikeContainer> containers = vm.BikeContainers;
foreach (BikeContainer container in containers)
{
//Als er een unieke neighbourhood naam is gevonden wordt deze aan de hashset toegevoegd
if (neighbourhoods.Add(container.Neighbourhood))
{
Neighbourhood neighb = new Neighbourhood();
neighb.Name = container.Neighbourhood;
realNeighbourhoods.Add(neighb);
}
//Hier wordt de bikecontainer toegevoegd aan de bijbehorende neighbourhood
Neighbourhood nb = realNeighbourhoods.Find(x => x.Name.Contains(container.Neighbourhood));
nb.AddContainer(container);
}
//De top 5 selecteren van de neighbourhoods.
var r = realNeighbourhoods.OrderByDescending(x => x.BikeContainerCount).Take(5);
//Door de top 5 loopen en toevoegen aan het model.
foreach (Neighbourhood nb in r)
{
//Naam afkorten anders past deze niet op de grafiek.
if (nb.Name.Length > 10)
{
nb.Name = nb.Name.Substring(0, 10);
}
bgm.AddData(nb);
}
return(bgm);
}
public async void GenerateList()
{
try
{
BikeContainerViewModel bikeContainerViewModel = new BikeContainerViewModel();
await bikeContainerViewModel.GetHaltesAsync();
var containers = bikeContainerViewModel.BikeContainers;
var locator = CrossGeolocator.Current;
locator.DesiredAccuracy = 50;
var tempPos = await locator.GetPositionAsync(timeoutMilliseconds : 10000);
myPosition = new Position(tempPos.Latitude, tempPos.Longitude);
var fcontainers = ClosestTo(containers, myPosition);
// Create the ListView.
listView = new ListView
{
// Source of data items.
ItemsSource = fcontainers,
// Define template for displaying each item.
// (Argument of DataTemplate constructor is called for
// each item; it must return a Cell derivative.)
ItemTemplate = new DataTemplate(() =>
{
// Create views with bindings for displaying each property.
Label nameLabel = new Label();
nameLabel.SetBinding(Label.TextProperty, "Street");
Label birthdayLabel = new Label();
Binding lat = new Binding();
birthdayLabel.SetBinding(Label.TextProperty, "Distance");
birthdayLabel.SetBinding(Label.TextProperty,
new Binding("Distance", BindingMode.OneWay,
null, null, "{0} Meter"));
//BoxView boxView = new BoxView();
//boxView.SetBinding(BoxView.ColorProperty, "FavoriteColor");
// Return an assembled ViewCell.
return(new ViewCell
{
View = new StackLayout
{
Padding = new Thickness(0, 5),
Orientation = StackOrientation.Horizontal,
Children =
{
//boxView,
new StackLayout
{
VerticalOptions = LayoutOptions.Center,
Spacing = 0,
Children =
{
nameLabel,
birthdayLabel
}
}
}
}
});
})
};
map = new CustomMap(
MapSpan.FromCenterAndRadius(
new Position(51.9202975795699, 4.49352622032165), Distance.FromMiles(5)))
{
IsShowingUser = true,
HeightRequest = 200,
WidthRequest = 320,
MapType = MapType.Hybrid,
};
foreach (var container in containers)
{
var position = new Position(container.Latitude, container.Longitude);
var pin = new Pin
{
Type = PinType.Place,
Position = position,
Label = container.Description,
Address = container.Street
};
map.Pins.Add(pin);
}
var pin2 = new Pin
{
Type = PinType.Place,
Position = myPosition,
Label = "me"
};
map.Pins.Add(pin2);
DoubleClick doubleClick = new DoubleClick();
listView.ItemTapped += async(object sender, ItemTappedEventArgs e) =>
{
BikeContainer container = e.Item as BikeContainer;
//var selectedContainer = container;
var containerPosition = new Position(container.Latitude, container.Longitude);
if (doubleClick.Check(container))
{
geoCoder = new Geocoder();
var possibleAddresses = await geoCoder.GetAddressesForPositionAsync(containerPosition);
string containeraddress = "";
foreach (var address in possibleAddresses)
{
containeraddress = address;
}
switch (Device.OS)
{
case TargetPlatform.iOS:
Device.OpenUri(
new Uri(string.Format("http://maps.apple.com/?q={0}", WebUtility.UrlEncode(containeraddress))));
break;
case TargetPlatform.Android:
Device.OpenUri(
new Uri(string.Format("geo:0,0?q={0}", WebUtility.UrlEncode(containeraddress))));
break;
}
}
else
{
//var containerPosition = new Position(container.Latitude, container.Longitude);
map.MoveToRegion(
MapSpan.FromCenterAndRadius(
containerPosition, Distance.FromMiles(.1f)));
}
};
var stack = new StackLayout {
Spacing = 0
};
var innerStack = new StackLayout {
Spacing = 0
};
Button gotoMyLocation = new Button {
Text = "My location"
};
gotoMyLocation.Clicked += gotoMyLocation_clicked;
innerStack.Children.Add(map);
stack.Children.Add(new Label {
Text = "Map"
});
// Accomodate iPhone status bar.
this.Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 5);
stack.Children.Add(innerStack);
stack.Children.Add(gotoMyLocation);
stack.Children.Add(listView);
Content = stack;
}
catch
{
Label locationLabel;
locationLabel = new Label
{
Text = "No GPS available, please restart the app and try again with GPS enabled.",
Font = Font.SystemFontOfSize(NamedSize.Large),
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
Content = new StackLayout
{
Children =
{
locationLabel
}
};
await DisplayAlert("No GPS available", "We could not retrieve your location on time, please try again.", "OK");
}
}
