private void Init(SerializedProperty property)
{
_property = property;
_methodDropdown = new MethodsDropdown(new AdvancedDropdownState(), null);
_methodDropdown.OnItemSelected = OnMethodSelected;
_targetEventEntry = property.GetValue <EnhancedEventEntry>();
if (_targetEventEntry.Delegate != null)
{
_eventTargetObject = _targetEventEntry.Delegate.Target as Object;
_selectedInfo = new DelegateInfo(_eventTargetObject, _targetEventEntry.Delegate.Method);
_parameters = _selectedInfo.Method.GetParameters();
}
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
if (_targetEventEntry == null)
{
Init(property);
}
SetRects(position);
_eventTargetObject = EditorGUI.ObjectField(_objectFieldRect, _eventTargetObject, typeof(Object), true);
if (_methodDropdown.Target != _eventTargetObject)
{
_methodDropdown = new MethodsDropdown(new AdvancedDropdownState(), _eventTargetObject);
_methodDropdown.OnItemSelected = OnMethodSelected;
}
string selectedName = "No Function";
if (_selectedInfo != null)
{
selectedName = $" {_selectedInfo.Target.GetType().Name}.{_selectedInfo.Method.Name}";
}
using (new EditorGUI.DisabledScope(_eventTargetObject == null))
{
if (GUI.Button(_popupFieldRect, selectedName, "MiniPopup"))
{
_methodDropdown.Show(_popupFieldRect);
}
}
// Draw parameters.
if (_selectedInfo != null)
{
foreach (ParameterInfo parameter in _parameters)
{
DrawParameterField(parameter);
}
}
}