/// <summary>
/// A drop down list that contains values.
/// Note: Only one value can be selected at a time.
/// </summary>
/// <param name="selectedValue">The currently selected value in the drop down list.</param>
/// <param name="list">The list of values that populates the drop down list.</param>
/// <param name="title">The title for the drop-down list.</param>
/// <returns>The selection in the drop-down list.</returns>
public static int DropDownList(int selectedValue, Fields.DropDownValues list, string title)
{
// exit early if list is null or empty
if (list.items == null || list.items.Length == 0)
{
return(0);
}
// if the selected value is out of range, set it to 0
if (selectedValue > list.items.Length)
{
selectedValue = 0;
}
int result = EditorGUILayout.IntPopup(title, selectedValue, list.items, list.ids);
return(result);
}
// -----------------------------------------------------------
// Drop-Down List Field
// -----------------------------------------------------------
/// <summary>
/// A drop-down list that contains values.
/// Note: Only one value can be selected at a time.
/// </summary>
/// <param name="selectedValue">The currently selected value in the drop down list.</param>
/// <param name="list">The list of values that populates the drop down list.</param>
/// <param name="titleWidth">The width of the title assigned to the drop down list. If set to 0, the title is hidden.</param>
/// <param name="fieldWidth">The width of the drop-down list.</param>
/// <returns>The selection in the drop-down list.</returns>
public static int DropDownList(int selectedValue, Fields.DropDownValues list, int titleWidth, int fieldWidth = 0, bool lenIsListID = false)
{
if (titleWidth == 0)
{
titleWidth = -3;
}
// exit early if list is null or empty
if (list.items == null || list.items.Length == 0)
{
BeginHorizontal();
Label("[No Items in List]");
EndHorizontal();
return(0);
}
// get the length of the list
int listLength = list.ids.Length;
// if size of list does not represent all list.ids, get the id of the last item in list
if (lenIsListID)
{
listLength = list.ids[listLength - 1];
}
// if the selected value is out of range, set it to 0
if (selectedValue > listLength)
{
selectedValue = 0;
}
BeginHorizontal();
Label(list.name, titleWidth);
int result = EditorGUILayout.IntPopup(selectedValue, list.items, list.ids, GetFieldWidth(fieldWidth));
EndHorizontal();
return(result);
}