private void ShowList(SerializedProperty list)
{
EditorGUI.indentLevel++;
// remove the keywords already assigned from the registered list
SpeechInputHandler handler = target as SpeechInputHandler;
string[] availableKeywords = registeredKeywords.Except(handler.keywords.Select(keywordAndResponse => keywordAndResponse.Keyword)).ToArray();
// keyword rows
for (int index = 0; index < list.arraySize; index++)
{
// the element
SerializedProperty elementProperty = list.GetArrayElementAtIndex(index);
EditorGUILayout.BeginHorizontal();
bool elementExpanded = EditorGUILayout.PropertyField(elementProperty);
GUILayout.FlexibleSpace();
// the remove element button
bool elementRemoved = GUILayout.Button(removeButtonContent, EditorStyles.miniButton, miniButtonWidth);
if (elementRemoved)
{
list.DeleteArrayElementAtIndex(index);
}
EditorGUILayout.EndHorizontal();
if (!elementRemoved && elementExpanded)
{
SerializedProperty keywordProperty = elementProperty.FindPropertyRelative("Keyword");
string[] keywords = availableKeywords.Concat(new[] { keywordProperty.stringValue }).OrderBy(keyword => keyword).ToArray();
int previousSelection = ArrayUtility.IndexOf(keywords, keywordProperty.stringValue);
int currentSelection = EditorGUILayout.Popup("Keyword", previousSelection, keywords);
if (currentSelection != previousSelection)
{
keywordProperty.stringValue = keywords[currentSelection];
}
SerializedProperty responseProperty = elementProperty.FindPropertyRelative("Response");
EditorGUILayout.PropertyField(responseProperty, true);
}
}
// add button row
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
// the add element button
if (GUILayout.Button(addButtonContent, EditorStyles.miniButton, miniButtonWidth))
{
list.InsertArrayElementAtIndex(list.arraySize);
}
EditorGUILayout.EndHorizontal();
EditorGUI.indentLevel--;
}
public override void OnInspectorGUI()
{
serializedObject.Update();
ShowList(keywordsProperty);
serializedObject.ApplyModifiedProperties();
// error and warning messages
if (keywordsProperty.arraySize == 0)
{
EditorGUILayout.HelpBox("No keywords have been assigned!", MessageType.Warning);
}
else
{
SpeechInputHandler handler = target as SpeechInputHandler;
string duplicateKeyword = handler.keywords.GroupBy(keyword => keyword.Keyword.ToLower()).Where(group => group.Count() > 1).Select(group => group.Key).FirstOrDefault();
if (duplicateKeyword != null)
{
EditorGUILayout.HelpBox("Keyword '" + duplicateKeyword + "' is assigned more than once!", MessageType.Warning);
}
}
}
