private static void OnItemsSourceChanged(BindableObject bindable, object oldValue, object newValue)
{
XLabsExtendedPicker bindablePicker = (XLabsExtendedPicker)bindable;
bindablePicker.ItemsSource = (IList)newValue;
loadItemsAndSetSelected(bindable);
}
private static void OnDisplayPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
XLabsExtendedPicker bindablePicker = (XLabsExtendedPicker)bindable;
bindablePicker.DisplayProperty = (string)newValue;
loadItemsAndSetSelected(bindable);
}
private static void OnSelectedItemChanged(BindableObject bindable, object oldValue, object newValue)
{
XLabsExtendedPicker bindablePicker = (XLabsExtendedPicker)bindable;
bindablePicker.SelectedItem = newValue;
if (bindablePicker.ItemsSource != null && bindablePicker.SelectedItem != null)
{
int count = 0;
foreach (object obj in bindablePicker.ItemsSource)
{
if (obj == bindablePicker.SelectedItem)
{
bindablePicker.SelectedIndex = count;
break;
}
count++;
}
}
}
static void loadItemsAndSetSelected(BindableObject bindable)
{
XLabsExtendedPicker bindablePicker = (XLabsExtendedPicker)bindable;
if (bindablePicker.ItemsSource as IEnumerable != null)
{
PropertyInfo propertyInfo = null;
int count = 0;
foreach (object obj in (IEnumerable)bindablePicker.ItemsSource)
{
string value = string.Empty;
if (bindablePicker.DisplayProperty != null)
{
if (propertyInfo == null)
{
propertyInfo = obj.GetType().GetRuntimeProperty(bindablePicker.DisplayProperty);
if (propertyInfo == null)
{
throw new Exception(String.Concat(bindablePicker.DisplayProperty, " is not a property of ", obj.GetType().FullName));
}
}
value = propertyInfo.GetValue(obj).ToString();
}
else
{
value = obj.ToString();
}
bindablePicker.Items.Add(value);
if (bindablePicker.SelectedItem != null)
{
if (bindablePicker.SelectedItem == obj)
{
bindablePicker.SelectedIndex = count;
}
}
count++;
}
}
}
