/// <summary>
/// Shows popup for the user to choose a Canvas that will be used and adds a MenuController component to it.
/// </summary>
public static void CreateMenuController(UnityEngine.Events.UnityAction <MenuController> onFinish)
{
Canvas[] canvasses = HierarchyHelper.GetSelectedOrGeneralObjectsOfType <Canvas>();
Vector2 coordinates = EditorUtils.GetMousePosition();
try {
PopupWindow.Show(new Rect(GUIUtility.ScreenToGUIPoint(coordinates), new Vector2(250, 150)), new CanvasSelector(canvasses, (Canvas canvas) => {
if (canvas == null)
{
// The user wants us to create a canvas
EditorApplication.ExecuteMenuItem("GameObject/UI/Canvas");
Canvas[] newCanvasses = HierarchyHelper.GetObjectsOfType <Canvas>();
canvasses = newCanvasses.Except(canvasses).ToArray();
if (canvasses == null || canvasses.Length <= 0)
{
Debug.LogError("Something went wrong with creating the new canvas. Please try again.");
return;
}
canvas = canvasses[0];
}
MenuController result = Undo.AddComponent <MenuController>(canvas.gameObject);
if (onFinish != null)
{
onFinish(result);
}
}));
} catch (UnityEngine.ExitGUIException) {
// https://answers.unity.com/questions/385235/editorguilayoutcolorfield-inside-guilayoutwindow-c.html
}
}
private static void AddMenu(MenuCommand menuCommand)
{
if (Selection.objects.Length > 1)
{
if (menuCommand.context != Selection.objects[0])
{
return;
}
}
// Use the selected objects.
MenuController[] menuControllers = HierarchyHelper.GetSelectedOrGeneralObjectsOfType <MenuController>();
if (menuControllers.Length <= 0)
{
if (EditorUtility.DisplayDialog("Adding menu", "Could not find any MenuController in this scene.", "Create MenuController", "Cancel"))
{
// If the user wanted to create a menucontroller, set the new menucontroller that is created as selected.
CreateMenuController((MenuController menuController) => {
AddMenuToMenuController(new MenuController[] { menuController });
});
}
else
{
return;
}
}
else
{
AddMenuToMenuController(menuControllers);
}
}