private void chart_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
var selectedindex = e.SelectedDataPointIndex;
if (selectedindex < 0)
{
label.Text = "Tap on a bar segment to select a data point";
label.FontSize = 15;
return;
}
label.FontSize = 20;
var series = e.SelectedSeries;
if (series == null)
{
return;
}
var datapoints = (series.ItemsSource as IList <Model>);
if (datapoints == null)
{
return;
}
var x = datapoints[selectedindex].Name.ToString();
var y = datapoints[selectedindex].Value.ToString();
label.Text = "Month : " + x + ", Sales : $" + y;
}
private void Chart_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
IList items = e.SelectedSeries.ItemsSource as IList;
Model selectedDatapoint = items[e.SelectedDataPointIndex] as Model;
Navigation.PushAsync(new SecondayPage(selectedDatapoint));
series.SelectedDataPointIndex = -1;
}
protected override void OnSelectionChanged(ChartSelectionEventArgs arg)
{
if (arg.SelectedDataPointIndex != -1)
{
((ExpenseViewModel)BindingContext).UpdateTrends(arg.SelectedDataPointIndex);
}
base.OnSelectionChanged(arg);
}
/// <summary>
/// daily and monthly bar chart click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DailyBarChart_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
var index = e.SelectedDataPointIndex;
if (index < 0)
{
}
else
{
}
}
private void Chart_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
Navigation.PushAsync(new ContentPage()
{
Content = new Label()
{
FontSize = 20,
TextColor = Color.Purple,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.CenterAndExpand,
Text = "You have Selected an index No: " + e.SelectedDataPointIndex,
}
}, false);
}
private void Bindable_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
if (Command == null)
{
return;
}
object parameter = Converter.Convert(e, typeof(object), null, null);
if (Command.CanExecute(parameter))
{
Command.Execute(parameter);
}
}
public async void on_SelectedIndexChangedBs(object sender, ChartSelectionEventArgs e)
{
if (e.SelectedSeries != null && e.SelectedDataPointIndex != -1)
{
if (e.SelectedSeries.Label == "Bloodsugar")
{
BloodSugarDataPoint bloodPoint = model.SettingsModel.BloodSugarDataPoints[e.SelectedDataPointIndex];
bool action = await DisplayAlert("BloodSugar:", bloodPoint.BloodSugarLevel.ToString(), "Edit", "Back");
if (action == true)
{
openDataPoint(e.SelectedDataPointIndex, DataPoints.BloodSugar.ToString());
}
}
if (e.SelectedSeries.Label == "Meal")
{
MealDataPoint mealPoint = model.SettingsModel.MealDataPoints[e.SelectedDataPointIndex];
string content = "";
content = "Total BreadUnits: " + mealPoint.BreadUnits + "\t\t\t\t" + "Total Energy: " + mealPoint.EnergyAmount + " kcal" + "\n\n";
foreach (Ingredient ing in mealPoint.Ingredients)
{
content += ing.Name + "\n"
+ "Breadunits: " + ing.BreadUnits + "\t\t" + "Energy: " + ing.EnergyAmount + "\t\t" + "Amount: " + ing.amount + "\n\n";
}
var action = await DisplayAlert("Meal:", content, "Edit", "Back");
if (action == true)
{
openDataPoint(e.SelectedDataPointIndex, DataPoints.Meal.ToString());
}
}
if (e.SelectedSeries.Label == "Med")
{
MedicineDataPoint medPoint = model.SettingsModel.MedicineDataPoints[e.SelectedDataPointIndex];
var action = await DisplayAlert("Medicine:", medPoint.Name + ": " + medPoint.Amount + " " + medPoint.Unit, "Edit", "Back");
if (action == true)
{
openDataPoint(e.SelectedDataPointIndex, DataPoints.Medicine.ToString());
}
}
}
}
private void chart_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
var selectedindex = e.SelectedDataPointIndex;
if (selectedindex < 0)
{
label.Text = "Tap on a bar segment to select a data point";
label.FontSize = 15;
return;
}
label.FontSize = 20;
var series = e.SelectedSeries;
if (series == null) return;
var datapoints = (series.ItemsSource as IList<Model>);
if (datapoints == null) return;
var x = datapoints[selectedindex].Name.ToString();
var y = datapoints[selectedindex].Value.ToString();
label.Text = "Month : " + x + ", Sales : $" + y;
}
private void chart_SelectionChanged(object sender, ChartSelectionEventArgs e)
{
var series = e.SelectedSeries;
if (series == null)
{
return;
}
if (Chart.EnableSeriesSelection)
{
productA.IsVisible = false;
productB.IsVisible = false;
seriesSelection.IsVisible = true;
if (column.IsSelected)
{
seriesSelection.Text = series.Label + " | Total Sales : $" + sumOfTotalSeries1;
return;
}
else if (column1.IsSelected)
{
seriesSelection.Text = series.Label + " | Total Sales : $" + sumOfTotalSeries2;
return;
}
seriesSelection.Text = "Tap on a bar segment to select a series";
}
else
{
productA.IsVisible = true;
productB.IsVisible = true;
seriesSelection.IsVisible = false;
var selectedindex = e.SelectedDataPointIndex;
var seriesIndex = Chart.Series.IndexOf(e.SelectedSeries);
if (selectedindex < 0)
{
if (seriesIndex == 0)
{
productA.Text = "Tap on a bar segment";
}
else
{
productB.Text = "Tap on a bar segment";
}
return;
}
else
{
if (seriesIndex == 0)
{
var x = datapoint[selectedindex].Name;
var y = datapoint[selectedindex].Value;
productA.Text = "Month : " + x + ", Sales : $" + y;
}
else if (seriesIndex == 1)
{
var x = datapoint1[selectedindex].Name;
var y = datapoint1[selectedindex].Value;
productB.Text = "Month : " + x + ", Sales : $" + y;
}
}
}
}
private void OnSelectionChanged(object sender, ChartSelectionEventArgs args)
{
}
private void OnChartTapped (object sender, ChartSelectionEventArgs e)
{
double wValue = 0;
double qnValue = 0;
double qjValue = 0;
if (e.SelectedDataPointIndex != -1) {
if (_firstSeries != null) {
var wAllValues = _firstSeries.GetChartDataPoints ();
var value = wAllValues.ElementAt (e.SelectedDataPointIndex);
wValue = value.YValue;
}
if (_secondSeries != null) {
var wAllValues = _secondSeries.GetChartDataPoints ();
var value = wAllValues.ElementAt (e.SelectedDataPointIndex);
qnValue = value.YValue;
}
if (_thirdSeries != null) {
var wAllValues = _thirdSeries.GetChartDataPoints ();
var value = wAllValues.ElementAt (e.SelectedDataPointIndex);
qjValue = value.YValue;
}
}
var parameter = new ChartDataPointSelectionEventArgs () {
Wvalue = wValue,
QnValue = qnValue,
QjValue = qjValue
};
MessagingCenter.Send (this, MessagingCenterKeys.ChartSelectionChangedKey, parameter);
}
