internal CoolModel(CoolPickerRenderer renderer)
{
this.renderer = renderer;
picker = renderer.Element as CoolPicker;
currentColor = picker.PickerTextColor == Color.Default ? Color.Black : picker.PickerTextColor;
//iOS can not use Color.Default for UIPickerView item title. If use it we will get transparent text.
}
void GetSet(out CoolPicker picker, out UITextField entry, out UIView view)
{
picker = Element as CoolPicker;
entry = Control as UITextField;
view = entry.Superview;
}
void ReplaceEntry(CoolPicker newPicker)
{
var originalEntry = Control as UITextField;
var customEntry = new ExtendedField {
Space = 0
};
customEntry.EditingDidBegin += OnStarted;
customEntry.EditingChanged += OnEditing;
customEntry.EditingDidEnd += OnEnded;
customEntry.InputAccessoryView = originalEntry.InputAccessoryView;
var toolBar = (UIToolbar)customEntry.InputAccessoryView;
if (newPicker.PickerBarColor != Color.Default)
{
toolBar.BackgroundColor = newPicker.PickerBarColor.ToUIColor();
}
var toolBarItems = toolBar.Items;
toolBarItems[1] = new UIBarButtonItem(UIBarButtonSystemItem.Done, (o, a) =>
{
var picker = (UIPickerView)Control.InputView;
if (selectedIndex == -1 && Element.Items != null && Element.Items.Count > 0)
{
UpdatePickerSelectedIndex(0);
}
else if (selectedIndex >= 0 && Element.Items.Count > 0)
{
UpdateTextColor();
Control.Text = Element.Items[selectedIndex];
}
else if (selectedIndex >= 0)
{
selectedIndex = -1;
}
ElementController.SetValueFromRenderer(Picker.SelectedIndexProperty, selectedIndex);
customEntry.ResignFirstResponder();
}
);
if (newPicker.PickerBarTextColor != Color.Default)
{
toolBarItems[1].TintColor = newPicker.PickerBarTextColor.ToUIColor();
}
toolBar.SetItems(toolBarItems, false);
var pickerView = new UIPickerView();
customEntry.InputView = pickerView;
var model = new CoolModel(this);
pickerView.Model = model;
pickerView.WeakDelegate = model;
if (newPicker.PickerColor != Color.Default)
{
pickerView.BackgroundColor = newPicker.PickerColor.ToUIColor();
}
originalEntry.RemoveFromSuperview();
originalEntry.Dispose();
SetNativeControl(customEntry);
}
