protected void OnPickerItemSelected(UIPickerView picker, nint row, nint component, IDPair selectedItem)
{
CoreUtility.ExecuteMethod("OnPickerItemSelected", delegate()
{
UIView selectedView = picker.ViewFor(row, component);
selectedView.BackgroundColor = _colorOfSelectedItem;
});
}
public override void Selected(UIPickerView pickerView, int row, int component)
{
var n = pickerView.RowsInComponent(0);
var cpv = (CheckedPickerView)pickerView;
cpv.SelectedItem = cpv.Items[row];
for (var i = 0; i < n; i++)
{
var label = (PickerLabel)pickerView.ViewFor(i, 0);
label.IsSelected = cpv.selectedItem == label.Text;
}
}
public override void Selected (UIPickerView pickerView, int row, int component)
{
var n = pickerView.RowsInComponent (0);
var cpv = (CheckedPickerView)pickerView;
cpv.SelectedItem = cpv.Items[row];
for (var i = 0; i < n; i++) {
var label = (PickerLabel)pickerView.ViewFor (i, 0);
label.IsSelected = cpv.selectedItem == label.Text;
}
}
public CustomPicker CreateCustomPicker()
{
return(CoreUtility.ExecuteFunction <CustomPicker> ("CreateCustomPicker", delegate()
{
if (_superView != null)
{
//create picker view
UIPickerView pickerView = new UIPickerView()
{
ShowSelectionIndicator = true,
Hidden = false,
Frame = new CGRect(0, (_superView.Frame.Height - 216f), _superView.Frame.Width, 216f),
Opaque = true,
BackgroundColor = "#D1D5DB".ConvertHexToColor()
};
_source = new CustomPickerViewModel()
.For(_data)
.WhenSelected(this.OnPickerItemSelected);
pickerView.Model = _source;
UIView selectedItem = pickerView.ViewFor(pickerView.SelectedRowInComponent(0), 0);
if (selectedItem != null)
{
selectedItem.BackgroundColor = _colorOfSelectedItem;
}
_pickerView = pickerView;
//create grey container for done button
UIView vwBtnContainer = new UIView(new CGRect(0f, (_superView.Bounds.Height - 216f) - 40f, _superView.Bounds.Width, 40f));
vwBtnContainer.BackgroundColor = UIColor.DarkGray;
_vwBtnContainer = vwBtnContainer;
//create Done button
UIButton btnDone = new UIButton(UIButtonType.Custom)
{
Frame = new CGRect(_superView.Frame.Width - 60f, 5f, 50f, 30f),
Hidden = false
};
btnDone.Font = UIFont.BoldSystemFontOfSize(14f);
btnDone.BackgroundColor = UIColor.Clear;
btnDone.SetTitleColor(UIColor.White, UIControlState.Normal);
btnDone.SetTitle(_titleForDoneButton, UIControlState.Normal);
btnDone.TouchDown += (sender, e) =>
{
CoreUtility.ExecuteMethod("TouchDown", delegate()
{
if (this._onDoneClicked != null)
{
nint selectedRow = pickerView.SelectedRowInComponent(0);
this._onDoneClicked(_data[selectedRow]);
}
this.RemoveFromSuperview();
});
};
vwBtnContainer.Add(btnDone);
if (_triggerSource != null)
{
if (_triggerSource is UITextField)
{
(_triggerSource as UITextField).ShouldBeginEditing = ShowPickerFromTextField;
}
else
{
UITapGestureRecognizer tapGesture = new UITapGestureRecognizer(this.ShowPicker);
_triggerSource.AddGestureRecognizer(tapGesture);
}
}
this.AddSubview(_pickerView);
this.AddSubview(_vwBtnContainer);
if (!string.IsNullOrEmpty(_initialValue))
{
if (_data != null)
{
for (int i = 0; i < _data.Length; i++)
{
if (_data[i].id == _initialValue)
{
_pickerView.Select(i, 0, false);
break;
}
}
}
}
}
return this;
}));
}