internal static void UpdatePicker(this MauiPicker platformPicker, IPicker picker, int?newSelectedIndex = null)
{
var selectedIndex = newSelectedIndex ?? picker.SelectedIndex;
// Revert to placeholder/title if nothing selected
platformPicker.Text = selectedIndex == -1
? (picker.Title ?? string.Empty)
: picker.GetItem(selectedIndex);
var pickerView = platformPicker.UIPickerView;
pickerView?.ReloadAllComponents();
if (picker.GetCount() == 0)
{
return;
}
picker.SelectedIndex = selectedIndex;
if (pickerView?.Model is PickerSource source)
{
source.SelectedIndex = selectedIndex;
}
pickerView?.Select(Math.Max(selectedIndex, 0), 0, true);
}
internal static void UpdatePicker(this Entry platformPicker, IPicker picker)
{
if (picker.SelectedIndex == -1 || picker.SelectedIndex >= picker.GetCount())
{
platformPicker.Text = string.Empty;
}
else
{
platformPicker.Text = picker.GetItem(picker.SelectedIndex);
}
}
internal static void UpdatePicker(this MauiPicker nativePicker, IPicker picker)
{
nativePicker.Hint = picker.Title;
if (picker.SelectedIndex == -1 || picker.SelectedIndex >= picker.GetCount())
{
nativePicker.Text = null;
}
else
{
nativePicker.Text = picker.GetItem(picker.SelectedIndex);
}
}
internal static void UpdatePicker(this MauiPicker nativePicker, IPicker picker)
{
var selectedIndex = picker.SelectedIndex;
nativePicker.Text = selectedIndex == -1 ? "" : picker.GetItem(selectedIndex);
var pickerView = nativePicker.UIPickerView;
pickerView?.ReloadAllComponents();
if (picker.GetCount() == 0)
{
return;
}
nativePicker.SetSelectedIndex(picker, selectedIndex);
}
public override string GetTitle(UIPickerView picker, nint row, nint component) => _virtualView?.GetItem((int)row) ?? "";
public static string[] GetItemsAsArray(this IPicker picker) => Enumerable.Range(0, picker.GetCount()).Select(i => picker.GetItem(i)).ToArray();
public static List <string> GetItemsAsList(this IPicker picker) => Enumerable.Range(0, picker.GetCount()).Select(i => picker.GetItem(i)).ToList();