protected virtual GameObject MakePopupGameObject(TextButton templateButton,
string selected = null)
{
// create popup menu
GameObject popupGameObject = gameObject.MakeUiObject("Popup");
// create blocker
ClickBlocker clickBlocker = ClickBlocker.MakeClickBlocker(popupGameObject, gameObject);
// create menu
_gameObjectMenu = popupGameObject.MakeUiObject("Menu");
// create background
GameObject gameObjectBackground = _gameObjectMenu.MakeUiObject("Background");
Image backgroundImage = gameObjectBackground.AddComponent <Image>();
backgroundImage.sprite = popupBgSprite;
float btnWidth = popupTextButton.GetWidth() + padding * 2;
float btnHeight = popupTextButton.GetHeight() + padding * 2;
float bgHeight = (btnHeight - padding) * _menuItems.Length + padding;
backgroundImage.SetSize(btnWidth, bgHeight);
backgroundImage.SetY(backgroundImage.GetHeight() / 2 - btnHeight / 2);
// set selected, this will move the background
Selected = selected;
// check if popup in within display region
if (!UtilsRect.AinsideB(backgroundImage, clickBlocker))
{
// if not, then reverse menuItem order
// causing menu to build in the opposite direction
Array.Reverse(_menuItems);
Selected = selected;
}
// create selection buttons
float yLoc = 0;
int counter = 0;
_menuButtons = new ClickButton[_menuItems.Length];
foreach (string menuItem in _menuItems)
{
int index = counter++;
TextButton textButton = MakeTextButton(templateButton, menuItem);
ClickButton clickButton = textButton.ClickButton;
clickButton.SetY(yLoc);
clickButton.onClickEvent.AddListener(delegate { MenuButtonClicked(new PopupMenuEventArgs(menuItem, index)); });
clickButton.OnRolloverEvent += delegate { MenuButtonRolled(menuItem, index); };
yLoc += clickButton.GetHeight() + padding;
if (index == _selectedIndex)
{
clickButton.Selected = true;
clickButton.Enabled = false;
}
_menuButtons[index] = clickButton;
}
return(popupGameObject);
}
