private void RemovePopup()
{
if (this.popupButton == null)
{
return;
}
this.popupButton.Activated -= PopupButton_Activated;
this.popupButton.RemoveFromSuperview();
this.popupButton.Dispose();
this.popupButton = null;
this.popupButtonList.RemoveAllItems();
this.popupButtonList.Dispose();
this.popupButtonList = null;
}
private void RequirePopup()
{
if (this.popupButton != null)
{
return;
}
RemoveComboBox();
this.popupButton = new FocusablePopUpButton {
AllowsExpansionToolTips = true,
Cell =
{
LineBreakMode = NSLineBreakMode.TruncatingTail,
UsesSingleLineMode = true,
},
ControlSize = NSControlSize.Small,
Font = NSFont.SystemFontOfSize(NSFont.SystemFontSizeForControlSize(NSControlSize.Small)),
TranslatesAutoresizingMaskIntoConstraints = false,
StringValue = String.Empty,
ProxyResponder = new ProxyResponder(this, ProxyRowType.SingleView)
};
this.popupButton.ProxyResponder = new ProxyResponder(this, ProxyRowType.SingleView);
this.popupButtonList = new NSMenu();
this.popupButton.Menu = this.popupButtonList;
this.popupButton.Activated += PopupButton_Activated;
AddSubview(this.popupButton);
AddConstraints(new[] {
NSLayoutConstraint.Create(this.popupButton, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, this, NSLayoutAttribute.CenterY, 1f, 0f),
NSLayoutConstraint.Create(this.popupButton, NSLayoutAttribute.Left, NSLayoutRelation.Equal, this, NSLayoutAttribute.Left, 1f, 0f),
NSLayoutConstraint.Create(this.popupButton, NSLayoutAttribute.Width, NSLayoutRelation.Equal, this, NSLayoutAttribute.Width, 1f, 0),
});
this.firstKeyView = this.popupButton;
this.lastKeyView = this.popupButton;
}