protected override void OnAppearing()
{
base.OnAppearing();
FUtils.InvokeOnMainThread(200, () =>
{
DisplayAlert("Pepe", "Pepep", "Cancelar");
});
}
protected override void OnParentSet()
{
base.OnParentSet();
if (Parent != null)
{
FUtils.InvokeOnMainThread(100, () => OnAppearing());
}
else
{
OnDisappearing();
}
}
void TxtField_Unfocused(object sender, FocusEventArgs e)
{
FUtils.InvokeOnMainThread(TimeSpan.FromMilliseconds(100), () =>
{
if (Entry.IsFocused)
{
return;
}
var result = Field.Validate();
ShowError(result);
});
}
protected override void OnBindingContextChanged()
{
base.OnBindingContextChanged();
if (ViewModel != null)
{
ViewModel.NavigateToDelegate = NavigateTo;
ViewModel.NavigateModalToDelegate = NavigateModalTo;
ViewModel.NavigateCloseDelegate = NavigateClose;
ViewModel.NavigateBackDelegate = NavigateBack;
ViewModel.AskAsyncDelegate = AskAsync;
FUtils.InvokeOnMainThread(100, () =>
{
ViewModel.InvokeLoaded();
});
}
}
protected override void OnAppearing()
{
base.OnAppearing();
foreach (var key in Fields.Keys)
{
var field = Fields[key].Field;
var control = Fields[key].Control;
field.ValueChanged += Field_ValueChanged;
field.Validated += Field_Validated;
if (control is WEntry)
{
var entry = control as WEntry;
entry.TextChanged += Entry_TextChanged;
entry.Text = (string)field.Value;
entry.Placeholder = field.Placeholder;
entry.IsEnabled = field.IsEnabled;
if (field.Rules != null)
{
if (field.Rules != null)
{
var rule = field.Rules.FindRule <LengthRule>();
if (rule != null)
{
entry.MaxLength = rule.Max;
}
}
}
Entry_TextChanged(entry, null);
}
else if (control is Picker)
{
var picker = control as WPicker;
picker.ItemsSource = field.Options.Select(p => p.Text).ToList();
if (field.Value == null)
{
picker.SelectedIndex = -1;
}
else
{
if (field.Value is string)
{
if (picker.SelectedItem != field.Value)
{
picker.SelectedItem = field.Value;
}
}
else
{
var option = field.Options.Where(p => p.Source == field.Value).FirstOrDefault();
if ((string)picker.SelectedItem != option.Text)
{
picker.SelectedItem = option.Text;
}
}
}
picker.IsEnabled = field.IsEnabled;
picker.Placeholder = "picker";
FUtils.InvokeOnMainThread(TimeSpan.FromMilliseconds(100), () =>
{
picker.Placeholder = field.Placeholder;
});
picker.SelectedIndexChanged += Picker_SelectedIndexChanged;
Picker_SelectedIndexChanged(picker, null);
}
if (Fields[key].LblTitle != null)
{
Fields[key].LblTitle.Text = field.Title;
}
}
}
