/// <summary>
/// Convert the specified list of delegate entries into a string array.
/// </summary>
static public string[] GetNames(List <PropertyReferenceDrawer.Entry> list, string choice, out int index)
{
index = 0;
string[] names = new string[list.Count + 1];
names[0] = "<GameObject>";
for (int i = 0; i < list.Count;)
{
PropertyReferenceDrawer.Entry ent = list[i];
string del = NGUITools.GetFuncName(ent.target, ent.name);
names[++i] = del;
if (index == 0 && string.Equals(del, choice))
{
index = i;
}
}
return(names);
}
/// <summary>
/// Draw an editor field for the Unity Delegate.
/// </summary>
static public bool Field(Object undoObject, EventDelegate del, bool removeButton, bool minimalistic)
{
if (del == null)
{
return(false);
}
bool prev = GUI.changed;
GUI.changed = false;
bool retVal = false;
MonoBehaviour target = del.target;
bool remove = false;
if (removeButton && (del.target != null || del.isValid))
{
if (!minimalistic)
{
NGUIEditorTools.SetLabelWidth(82f);
}
if (del.target == null && del.isValid)
{
EditorGUILayout.LabelField("Notify", del.ToString());
}
else
{
target = EditorGUILayout.ObjectField("Notify", del.target, typeof(MonoBehaviour), true) as MonoBehaviour;
}
GUILayout.Space(-18f);
GUILayout.BeginHorizontal();
GUILayout.Space(70f);
if (GUILayout.Button("", "ToggleMixed", GUILayout.Width(20f), GUILayout.Height(16f)))
{
target = null;
remove = true;
}
GUILayout.EndHorizontal();
}
else
{
target = EditorGUILayout.ObjectField("Notify", del.target, typeof(MonoBehaviour), true) as MonoBehaviour;
}
if (remove)
{
NGUIEditorTools.RegisterUndo("Delegate Selection", undoObject);
del.Clear();
EditorUtility.SetDirty(undoObject);
}
else if (del.target != target)
{
NGUIEditorTools.RegisterUndo("Delegate Selection", undoObject);
del.target = target;
EditorUtility.SetDirty(undoObject);
}
if (del.target != null && del.target.gameObject != null)
{
GameObject go = del.target.gameObject;
List <PropertyReferenceDrawer.Entry> list = GetMethods(go);
int index = 0;
string[] names = PropertyReferenceDrawer.GetNames(list, del.ToString(), out index);
int choice = 0;
GUILayout.BeginHorizontal();
choice = EditorGUILayout.Popup("Method", index, names);
NGUIEditorTools.DrawPadding();
GUILayout.EndHorizontal();
if (choice > 0 && choice != index)
{
PropertyReferenceDrawer.Entry entry = list[choice - 1];
NGUIEditorTools.RegisterUndo("Delegate Selection", undoObject);
del.target = entry.target as MonoBehaviour;
del.methodName = entry.name;
EditorUtility.SetDirty(undoObject);
retVal = true;
}
GUI.changed = false;
EventDelegate.Parameter[] ps = del.parameters;
if (ps != null)
{
for (int i = 0; i < ps.Length; ++i)
{
EventDelegate.Parameter param = ps[i];
Object obj = EditorGUILayout.ObjectField(" Arg " + i, param.obj, typeof(Object), true);
if (GUI.changed)
{
GUI.changed = false;
param.obj = obj;
EditorUtility.SetDirty(undoObject);
}
if (obj == null)
{
continue;
}
GameObject selGO = null;
System.Type type = obj.GetType();
if (type == typeof(GameObject))
{
selGO = obj as GameObject;
}
else if (type.IsSubclassOf(typeof(Component)))
{
selGO = (obj as Component).gameObject;
}
if (selGO != null)
{
// Parameters must be exact -- they can't be converted like property bindings
PropertyReferenceDrawer.filter = param.expectedType;
PropertyReferenceDrawer.canConvert = false;
List <PropertyReferenceDrawer.Entry> ents = PropertyReferenceDrawer.GetProperties(selGO, true, false);
int selection;
string[] props = GetNames(ents, NGUITools.GetFuncName(param.obj, param.field), out selection);
GUILayout.BeginHorizontal();
int newSel = EditorGUILayout.Popup(" ", selection, props);
NGUIEditorTools.DrawPadding();
GUILayout.EndHorizontal();
if (GUI.changed)
{
GUI.changed = false;
if (newSel == 0)
{
param.obj = selGO;
param.field = null;
}
else
{
param.obj = ents[newSel - 1].target;
param.field = ents[newSel - 1].name;
}
EditorUtility.SetDirty(undoObject);
}
}
else if (!string.IsNullOrEmpty(param.field))
{
param.field = null;
EditorUtility.SetDirty(undoObject);
}
PropertyReferenceDrawer.filter = typeof(void);
PropertyReferenceDrawer.canConvert = true;
}
}
}
else
{
retVal = GUI.changed;
}
GUI.changed = prev;
return(retVal);
}
/// <summary>
/// Collect a list of usable delegates from the specified target game object.
/// </summary>
static public List <PropertyReferenceDrawer.Entry> GetMethods(GameObject target)
{
MonoBehaviour[] comps = target.GetComponents <MonoBehaviour>();
List <PropertyReferenceDrawer.Entry> list = new List <PropertyReferenceDrawer.Entry>();
for (int i = 0, imax = comps.Length; i < imax; ++i)
{
MonoBehaviour mb = comps[i];
if (mb == null)
{
continue;
}
MethodInfo[] methods = mb.GetType().GetMethods(BindingFlags.Instance | BindingFlags.Public);
for (int b = 0; b < methods.Length; ++b)
{
MethodInfo mi = methods[b];
if (mi.ReturnType == typeof(void))
{
string name = mi.Name;
if (name == "Invoke")
{
continue;
}
if (name == "InvokeRepeating")
{
continue;
}
if (name == "CancelInvoke")
{
continue;
}
if (name == "StopCoroutine")
{
continue;
}
if (name == "StopAllCoroutines")
{
continue;
}
if (name == "BroadcastMessage")
{
continue;
}
if (name.StartsWith("SendMessage"))
{
continue;
}
if (name.StartsWith("set_"))
{
continue;
}
PropertyReferenceDrawer.Entry ent = new PropertyReferenceDrawer.Entry();
ent.target = mb;
ent.name = mi.Name;
list.Add(ent);
}
}
}
return(list);
}
public override void OnGUI(Rect rect, SerializedProperty prop, GUIContent label)
{
Undo.RecordObject(prop.serializedObject.targetObject, "Delegate Selection");
SerializedProperty targetProp = prop.FindPropertyRelative("mTarget");
SerializedProperty methodProp = prop.FindPropertyRelative("mMethodName");
MonoBehaviour target = targetProp.objectReferenceValue as MonoBehaviour;
string methodName = methodProp.stringValue;
EditorGUI.indentLevel = prop.depth;
EditorGUI.LabelField(rect, label);
Rect lineRect = rect;
lineRect.yMin = rect.yMin + lineHeight;
lineRect.yMax = lineRect.yMin + lineHeight;
EditorGUI.indentLevel = targetProp.depth;
target = EditorGUI.ObjectField(lineRect, "Notify", target, typeof(MonoBehaviour), true) as MonoBehaviour;
targetProp.objectReferenceValue = target;
if (target != null && target.gameObject != null)
{
GameObject go = target.gameObject;
List <PropertyReferenceDrawer.Entry> list = EventDelegateEditor.GetMethods(go);
int index = 0;
int choice = 0;
EventDelegate del = new EventDelegate();
del.target = target;
del.methodName = methodName;
string[] names = PropertyReferenceDrawer.GetNames(list, del.ToString(), out index);
lineRect.yMin += lineHeight;
lineRect.yMax += lineHeight;
choice = EditorGUI.Popup(lineRect, "Method", index, names);
if (choice > 0 && choice != index)
{
PropertyReferenceDrawer.Entry entry = list[choice - 1];
target = entry.target as MonoBehaviour;
methodName = entry.name;
targetProp.objectReferenceValue = target;
methodProp.stringValue = methodName;
}
SerializedProperty paramArrayProp = prop.FindPropertyRelative("mParameters");
EventDelegate.Parameter[] ps = del.parameters;
if (ps != null)
{
paramArrayProp.arraySize = ps.Length;
for (int i = 0; i < ps.Length; i++)
{
EventDelegate.Parameter param = ps[i];
SerializedProperty paramProp = paramArrayProp.GetArrayElementAtIndex(i);
SerializedProperty objProp = paramProp.FindPropertyRelative("obj");
SerializedProperty fieldProp = paramProp.FindPropertyRelative("field");
param.obj = objProp.objectReferenceValue;
param.field = fieldProp.stringValue;
Object obj = param.obj;
lineRect.yMin += lineHeight;
lineRect.yMax += lineHeight;
obj = EditorGUI.ObjectField(lineRect, " Arg " + i, obj, typeof(Object), true);
objProp.objectReferenceValue = obj;
del.parameters[i].obj = obj;
param.obj = obj;
if (obj == null)
{
continue;
}
GameObject selGO = null;
System.Type type = param.obj.GetType();
if (type == typeof(GameObject))
{
selGO = param.obj as GameObject;
}
else if (type.IsSubclassOf(typeof(Component)))
{
selGO = (param.obj as Component).gameObject;
}
if (selGO != null)
{
// Parameters must be exact -- they can't be converted like property bindings
PropertyReferenceDrawer.filter = param.expectedType;
PropertyReferenceDrawer.canConvert = false;
List <PropertyReferenceDrawer.Entry> ents = PropertyReferenceDrawer.GetProperties(selGO, true, false);
int selection;
string[] props = EventDelegateEditor.GetNames(ents, NGUITools.GetFuncName(param.obj, param.field), out selection);
lineRect.yMin += lineHeight;
lineRect.yMax += lineHeight;
int newSel = EditorGUI.Popup(lineRect, " ", selection, props);
if (newSel != selection)
{
if (newSel == 0)
{
param.obj = selGO;
param.field = null;
objProp.objectReferenceValue = selGO;
fieldProp.stringValue = null;
}
else
{
param.obj = ents[newSel - 1].target;
param.field = ents[newSel - 1].name;
objProp.objectReferenceValue = param.obj;
fieldProp.stringValue = param.field;
}
}
}
else if (!string.IsNullOrEmpty(param.field))
{
param.field = null;
}
PropertyReferenceDrawer.filter = typeof(void);
PropertyReferenceDrawer.canConvert = true;
}
}
}
}
