private string CreateNewLayerWithValidation(Vector2 mousePosition)
{
var dialog = TextInputDialog.Create(titleContent: new GUIContent("Create New Layer"),
position: new Rect(mousePosition.x, mousePosition.y, 400f, 108f),
message: "Please enter a valid layer name.\nCannot have several layers with the same name.",
inputLabel: "Layer Name",
text: _layerHandler.GetNewLayerValidName(),
validationDelegate: _layerHandler.ValidateNewLayerName
);
dialog.ShowModal();
if (dialog.TextValidated)
{
_layerHandler.CreateNewLayer(dialog.Text);
return(dialog.Text);
}
return(null);
}