public static bool Validate(bool forOpeningWindow, out string reasonIfNotValid)
{
if (!BaseValidate(out reasonIfNotValid))
{
return(false);
}
if (forOpeningWindow)
{
// Commented: it's safe to re-open the create window
//if (IsOpen())
//{
// reasonIfNotValid = "Creation window already opened";
// return false;
//}
if (InitSRIAWindow.IsOpen())
{
reasonIfNotValid = "Initialization window already opened";
return(false);
}
}
if (Selection.gameObjects.Length != 1)
{
reasonIfNotValid = "One UI Game Object needs to be selected";
return(false);
}
var asRT = Selection.gameObjects[0].transform as RectTransform;
if (!asRT)
{
reasonIfNotValid = "The selected Game Object doesn't have a RectTransform component";
return(false);
}
if (asRT.rect.height <= 0f)
{
reasonIfNotValid = "The selected Game Object has an invalid height";
return(false);
}
if (asRT.rect.width <= 0f)
{
reasonIfNotValid = "The selected Game Object has an invalid width";
return(false);
}
if (!GameObject.FindObjectOfType <EventSystem>())
{
reasonIfNotValid = "No EventSystem was found in the scene. Please add one";
return(false);
}
reasonIfNotValid = null;
var tr = asRT as Transform;
while (tr)
{
if (!(tr is RectTransform))
{
reasonIfNotValid =
"Found a non-RectTransform intermediary parent before first Canvas ancestor. " +
"Your hierarchy may be something like: ...Canvas->...->Transform->...-><SelectedObject>. " +
"There should only be RectTransforms between the selected object and its most close Canvas ancestor";
return(false);
}
var c = tr.GetComponent <Canvas>();
if (c)
{
return(true);
}
tr = tr.parent;
}
reasonIfNotValid = "Couldn't find a Canvas in the parents of the selected Game Object";
return(false);
}
