public UIComboBox(RectangleF rect) : base(rect)
{
this.BorderStyle = UITextBorderStyle.RoundedRect;
pickerView = new PickerView();
this.TouchDown += delegate {
ShowPicker();
};
this.ShouldChangeCharacters += delegate {
return(false);
};
pickerView.IndexChanged += delegate {
var oldValue = this.Text;
this.Text = pickerView.StringValue;
if (ValueChanged != null && oldValue != Text)
{
ValueChanged(this, null);
}
};
closeBtn = new UIButton(new RectangleF(0, 0, 31, 32));
closeBtn.SetImage(UIImage.FromFile("Images/closebox.png"), UIControlState.Normal);
closeBtn.TouchDown += delegate {
HidePicker();
};
pickerView.AddSubview(closeBtn);
}
public UIComboBox(RectangleF rect) : base (rect)
{
this.BorderStyle = UITextBorderStyle.RoundedRect;
pickerView = new PickerView();
this.TouchDown += delegate {
ShowPicker();
};
this.ShouldChangeCharacters += delegate {
return false;
};
pickerView.IndexChanged += delegate {
var oldValue = this.Text;
this.Text = pickerView.StringValue;
if(ValueChanged!= null && oldValue != Text)
ValueChanged(this,null);
};
closeBtn = new UIButton(new RectangleF(0,0,31,32));
closeBtn.SetImage(UIImage.FromFile("Images/closebox.png"),UIControlState.Normal);
closeBtn.TouchDown += delegate {
HidePicker();
};
pickerView.AddSubview(closeBtn);
}
public void ShowPicker()
{
if (PickerShown != null)
{
PickerShown(this, null);
}
LayoutSubviews();
pickerView.BringSubviewToFront(closeBtn);
pickerVisible = true;
var parentView = ViewForPicker ?? this.Superview;
var parentFrame = parentView.Frame;
//closeView = new TapableView(parentView.Bounds);
//closeView.Tapped += delegate{
// HidePicker();
//};
pickerView.Frame = pickerView.Frame.SetLocation(new PointF(0, parentFrame.Height));
UIView.BeginAnimations("slidePickerIn");
UIView.SetAnimationDuration(0.3);
UIView.SetAnimationDelegate(this);
UIView.SetAnimationDidStopSelector(new Selector("fadeInDidFinish"));
//parentView.AddSubview(closeView);
parentView.AddSubview(pickerView);
var tb = new UITextField(new RectangleF(0, -100, 15, 25));
pickerView.AddSubview(tb);
tb.BecomeFirstResponder();
tb.ResignFirstResponder();
tb.RemoveFromSuperview();
pickerView.Frame = pickerView.Frame.SetLocation(new PointF(0, parentFrame.Height - pickerView.Frame.Height));
UIView.CommitAnimations();
}