public void OnGUI(Rect position, SerializedProperty property, GUIContent label, StaticDataReferenceAttribute attr)
{
Rect fieldEntryPosition = position;
fieldEntryPosition.xMin = EditorGUIUtility.labelWidth + 15;
if (attr.IDs.Length == 0)
{
EditorGUI.LabelField(position, label);
EditorGUI.LabelField(fieldEntryPosition, "- no data available -");
}
else
{
if (property.isArray)
{
for (int i = 0; i < property.arraySize; i++)
{
OnDropdownGUI(position, property.GetArrayElementAtIndex(i), label, attr);
}
}
else
{
OnDropdownGUI(position, property, label, attr);
}
}
}
private void OnDropdownGUI(Rect position, SerializedProperty property, GUIContent label, StaticDataReferenceAttribute attr)
{
List <GUIContent> options = new List <GUIContent>();
SerializedProperty idProp = property.FindPropertyRelative("_id");
int selectedIndex = 0;
for (int i = 0; i < attr.IDs.Length; i++)
{
string id = attr.IDs[i];
if (id.Equals(idProp.stringValue))
{
selectedIndex = i + 1;
}
}
options.Add(new GUIContent("-none-"));
foreach (string id in attr.IDs)
{
options.Add(new GUIContent(id));
}
selectedIndex = EditorGUI.Popup(position, label, selectedIndex, options.ToArray());
if (selectedIndex == 0)
{
idProp.stringValue = string.Empty;
}
else
{
idProp.stringValue = attr.IDs[selectedIndex - 1];
}
property.serializedObject.ApplyModifiedProperties();
}