//Allows selected rows to modify data displayed in chart
private void grid_SelectionChanged(object sender, C1.Xamarin.Forms.Grid.GridCellRangeEventArgs e)
{
WeatherModel selectedData;
ObservableCollection <WeatherModel> selectedDataCollection = new ObservableCollection <WeatherModel>();
var range = e.CellRange;
if (range == null)
{
range = new GridCellRange(0, 0, grid.Rows.Count - 1, grid.Columns.Count - 1);
}
int upperRow = range.Row;
int lowerRow = range.Row2;
if (range.Row2 < range.Row)
{
upperRow = range.Row2;
lowerRow = range.Row;
}
for (int i = upperRow; i <= lowerRow; i++)
{
selectedData = new WeatherModel();
selectedData.date = (DateTime)grid.GetCellValue(new C1.Xamarin.Forms.Grid.GridCellRange(i, grid.Columns["date"].Index));
selectedData.description = (string)grid.GetCellValue(new C1.Xamarin.Forms.Grid.GridCellRange(i, grid.Columns["description"].Index));
selectedData.hightemp = (double)grid.GetCellValue(new C1.Xamarin.Forms.Grid.GridCellRange(i, grid.Columns["hightemp"].Index));
selectedData.lowtemp = (double)grid.GetCellValue(new C1.Xamarin.Forms.Grid.GridCellRange(i, grid.Columns["lowtemp"].Index));
selectedData.humidity = (int)grid.GetCellValue(new C1.Xamarin.Forms.Grid.GridCellRange(i, grid.Columns["humidity"].Index));
selectedData.pressure = (double)grid.GetCellValue(new C1.Xamarin.Forms.Grid.GridCellRange(i, grid.Columns["pressure"].Index));
selectedDataCollection.Add(selectedData);
}
chart.ItemsSource = selectedDataCollection;
if ((lowerRow - upperRow) == 0)
{
TemperatureSeries.ChartType = ChartType.Scatter;
HumiditySeries.ChartType = ChartType.Scatter;
}
else
{
TemperatureSeries.ChartType = ChartType.Spline;
HumiditySeries.ChartType = ChartType.SplineArea;
}
}
private static async Task <Tuple <ObservableCollection <WeatherModel>, String> > GetWeather(string url)
{
var client = new HttpClient();
var response = await client.GetAsync(url);
if (response.IsSuccessStatusCode)
{
ObservableCollection <WeatherModel> weatherList = new ObservableCollection <WeatherModel>();
string content = await response.Content.ReadAsStringAsync();
var data = JsonConvert.DeserializeObject <WeatherResult>(content);
WeatherModel model;
foreach (var item in data.list)
{
model = new WeatherModel();
model.date = Convert.ToDateTime(item.dt_txt);
model.humidity = item.main.humidity;
model.pressure = item.main.pressure;
model.description = item.weather[0].description;
model.lowtemp = item.main.temp_min;
model.hightemp = item.main.temp_max;
model.icon = ("http://openweathermap.org/img/w/" + item.weather[0].icon + ".png");
weatherList.Add(model);
}
return(new Tuple <ObservableCollection <WeatherModel>, String>(new ObservableCollection <WeatherModel>(weatherList), data.city.name + " " + data.city.country));
//return new C1CollectionView<WeatherModel>(weatherList);
}
else
{
string content = await response.Content.ReadAsStringAsync();
WeatherError errorData = JsonConvert.DeserializeObject <WeatherError>(content);
//throw new Exception(await response.Content.ReadAsStringAsync());
throw new Exception(errorData.COD + " " + errorData.Message);
}
}
public void EndEdit()
{
_clone = null;
}
public void BeginEdit()
{
_clone = (WeatherModel)this.MemberwiseClone();
}
