/// <summary>
/// Render the Variable Name dropdown
/// </summary>
/// <param name="label">The label to display</param>
/// <param name="currentValue">The currently selected variable value</param>
/// <param name="options">The available options</param>
/// <param name="variableTypeFilter">The type of variables to use</param>
/// <returns>The name of the selected variable, or string.empty
/// if none</returns>
protected static string RenderVariableSelector(Rect rect, string label,
string currentValue, VariableDetails[] options, IsValidVariableDelegate variableTypeFilter)
{
VariableDetails[] filtered = options.Where(
(x) => variableTypeFilter(x.VariableType)).ToArray();
filtered = AddNoneOption(filtered);
int selectedIndex = Array.FindIndex(filtered,
(x) => x.Name.Equals(currentValue, StringComparison.OrdinalIgnoreCase));
if (selectedIndex < 0)
{
selectedIndex = 0;
}
selectedIndex = EditorGUI.Popup(rect, label,
selectedIndex, filtered.Select((x) => x.Name).ToArray());
if (selectedIndex < 0 || selectedIndex >= filtered.Length)
{
return("");
}
VariableDetails selected = filtered[selectedIndex];
if (selected == VariableDetails.NoneVariable)
{
return(string.Empty);
}
return(selected.Name);
}
public void InitializeVariablesList(SceneVariableContainer variablesContainer)
{
IEnumerable <KeyValuePair <string, Type> > varDetails =
variablesContainer.GetVariableDetails();
List <VariableDetails> details = new List <VariableDetails>();
foreach (var varDetail in varDetails)
{
VariableDetails detail = new VariableDetails(varDetail.Key, varDetail.Value);
details.Add(detail);
}
VariablesList = details.ToArray();
}
/// <summary>
/// Helper to make sure that the variable details array contains
/// a None option
/// </summary>
/// <param name="variableDetails">The array to ensure contains a None option</param>
/// <returns>The array with a none option</returns>
private static VariableDetails[] AddNoneOption(VariableDetails[] variableDetails)
{
if (variableDetails == null)
{
variableDetails = new VariableDetails[] { VariableDetails.NoneVariable };
return(variableDetails);
}
int index = Array.FindIndex(variableDetails, (x) => x == VariableDetails.NoneVariable);
if (index < 0)
{
VariableDetails[] newList = new VariableDetails[variableDetails.Length + 1];
newList[0] = VariableDetails.NoneVariable;
variableDetails.CopyTo(newList, 1);
return(newList);
}
else if (index != 0)
{
variableDetails.SwapValues(0, index);
}
return(variableDetails);
}
