From 32873bdc22ce69e01de9ec15c629c5e8af43cfe5 Mon Sep 17 00:00:00 2001
From: Kayla Man <moonyuet2008@hotmail.com>
Date: Mon, 3 Jul 2023 19:30:08 +0800
Subject: [PATCH 1/3] add functions for filtering in dailog in custom attr
 maxscript

---
 openpype/hosts/max/api/plugin.py | 43 ++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/openpype/hosts/max/api/plugin.py b/openpype/hosts/max/api/plugin.py
index 14b0653f40..cb3a3b9e8d 100644
--- a/openpype/hosts/max/api/plugin.py
+++ b/openpype/hosts/max/api/plugin.py
@@ -15,6 +15,7 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
     parameters main rollout:OPparams
     (
         all_handles type:#maxObjectTab tabSize:0 tabSizeVariable:on
+        sel_list type:#stringTab tabSize:0 tabSizeVariable:on
     )
 
     rollout OPparams "OP Parameters"
@@ -30,11 +31,41 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
             handle_name = obj_name + "<" + handle as string + ">"
             return handle_name
         )
+        fn nodes_to_add node =
+        (
+            sceneObjs = #()
+            n = node as string
+            for obj in Objects do
+            (
+                tmp_obj = obj as string
+                append sceneObjs tmp_obj
+            )
+            if sel_list != undefined do
+            (
+                for obj in sel_list do
+                (
+                    idx = findItem sceneObjs obj
+                    if idx do
+                    (
+                        deleteItem sceneObjs idx
+                    )
+                )
+            )
+            idx = findItem sceneObjs n
+            if idx then return true else false
+        )
+
+        fn nodes_to_rmv node =
+        (
+            n = node as string
+            idx = findItem sel_list n
+            if idx then return true else false
+        )
 
         on button_add pressed do
         (
             current_selection = selectByName title:"Select Objects to add to
-            the Container" buttontext:"Add"
+            the Container" buttontext:"Add" filter:nodes_to_add
             if current_selection == undefined then return False
             temp_arr = #()
             i_node_arr = #()
@@ -46,8 +77,10 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
                 if idx do (
                     continue
                 )
+                name = c as string
                 append temp_arr handle_name
                 append i_node_arr node_ref
+                append sel_list name
             )
             all_handles = join i_node_arr all_handles
             list_node.items = join temp_arr list_node.items
@@ -56,7 +89,7 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
         on button_del pressed do
         (
             current_selection = selectByName title:"Select Objects to remove
-            from the Container" buttontext:"Remove"
+            from the Container" buttontext:"Remove" filter: nodes_to_rmv
             if current_selection == undefined then return False
             temp_arr = #()
             i_node_arr = #()
@@ -67,6 +100,7 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
             (
                 node_ref = NodeTransformMonitor node:c as string
                 handle_name = node_to_name c
+                n = c as string
                 tmp_all_handles = #()
                 for i in all_handles do
                 (
@@ -84,6 +118,11 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
                 (
                     new_temp_arr = DeleteItem list_node.items idx
                 )
+                idx = finditem sel_list n
+                if idx do
+                (
+                    sel_list = DeleteItem sel_list idx
+                )
             )
             all_handles = join i_node_arr new_i_node_arr
             list_node.items = join temp_arr new_temp_arr

From 4a3c9ce4b665fda0081950f3be742afb01fc3218 Mon Sep 17 00:00:00 2001
From: Kayla Man <moonyuet2008@hotmail.com>
Date: Wed, 5 Jul 2023 19:18:03 +0800
Subject: [PATCH 2/3] filter the container

---
 openpype/hosts/max/api/plugin.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/openpype/hosts/max/api/plugin.py b/openpype/hosts/max/api/plugin.py
index cb3a3b9e8d..01ffc3ab27 100644
--- a/openpype/hosts/max/api/plugin.py
+++ b/openpype/hosts/max/api/plugin.py
@@ -34,6 +34,7 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
         fn nodes_to_add node =
         (
             sceneObjs = #()
+            if classOf node == Container do return false
             n = node as string
             for obj in Objects do
             (
@@ -53,6 +54,7 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
             )
             idx = findItem sceneObjs n
             if idx then return true else false
+            if classOf node == Container do return false
         )
 
         fn nodes_to_rmv node =

From d78d1e0c25b8fe74121831b320ac5a20ff358811 Mon Sep 17 00:00:00 2001
From: Kayla Man <moonyuet2008@hotmail.com>
Date: Thu, 6 Jul 2023 16:31:56 +0800
Subject: [PATCH 3/3] remove redundency line

---
 openpype/hosts/max/api/plugin.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/openpype/hosts/max/api/plugin.py b/openpype/hosts/max/api/plugin.py
index 01ffc3ab27..d8db716e6d 100644
--- a/openpype/hosts/max/api/plugin.py
+++ b/openpype/hosts/max/api/plugin.py
@@ -54,7 +54,6 @@ MS_CUSTOM_ATTRIB = """attributes "openPypeData"
             )
             idx = findItem sceneObjs n
             if idx then return true else false
-            if classOf node == Container do return false
         )
 
         fn nodes_to_rmv node =