protected override async void OnAppearing()
{
base.OnAppearing();
await coach.Authenticate(Navigation);
surveyList.ItemsSource = coach.Surveys;
}
protected override async void OnAppearing()
{
base.OnAppearing();
await Coach.Authenticate(Navigation);
var totalWeeks = 1 + (int)((DateTime.Now.StartOfWeek(DayOfWeek.Monday) - FirstDate().StartOfWeek(DayOfWeek.Monday)).TotalDays / 7);
var currentWeek = 0;
var leftButton = new Button {
VerticalOptions = LayoutOptions.Center,
Text = "<"
};
var rightButton = new Button {
VerticalOptions = LayoutOptions.Center,
Text = ">"
};
var numLabel = new Label {
//HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.Center,
Text = (totalWeeks + currentWeek).ToString()
};
if (currentWeek == -totalWeeks + 1)
{
leftButton.Opacity = 0;
}
if (currentWeek == 0)
{
rightButton.Opacity = 0;
}
leftButton.Clicked += (sender, e) =>
{
if (leftButton.Opacity != 0)
{
currentWeek--;
layout.Children.RemoveAt(1);
layout.Children.Add(CreateWeekGraph(DateTime.Now.StartOfWeek(DayOfWeek.Monday).AddDays(currentWeek * 7)));
if (currentWeek == -totalWeeks + 1)
{
leftButton.Opacity = 0;
}
rightButton.Opacity = 1;
numLabel.Text = (totalWeeks + currentWeek).ToString();
}
};
rightButton.Clicked += (sender, e) =>
{
if (rightButton.Opacity != 0)
{
currentWeek++;
layout.Children.RemoveAt(1);
layout.Children.Add(CreateWeekGraph(DateTime.Now.StartOfWeek(DayOfWeek.Monday).AddDays(currentWeek * 7)));
if (currentWeek == 0)
{
rightButton.Opacity = 0;
}
leftButton.Opacity = 1;
numLabel.Text = (totalWeeks + currentWeek).ToString();
}
};
layout.Children.Replace(
new StackLayout {
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.Center,
Children =
{
leftButton,
/* new Picker {
* Items = { "Week", "Maand" },
* SelectedIndex = 0,
* //HorizontalOptions = LayoutOptions.CenterAndExpand
* }, */
new Label {
VerticalOptions = LayoutOptions.Center,
Text = "Week"
},
numLabel,
rightButton
}
},
CreateWeekGraph(DateTime.Now.StartOfWeek(DayOfWeek.Monday))
);
}
protected override async void OnAppearing()
{
base.OnAppearing();
await coach.Authenticate(Navigation);
}