Loader: Implement existing product group picker in Group Products dialog

client/ayon_core/tools/loader/ui/product_group_dialog.py

@@ -1,6 +1,7 @@
 from qtpy import QtWidgets
 
 from ayon_core.tools.utils import PlaceholderLineEdit
+import ayon_api
 
 
 class ProductGroupDialog(QtWidgets.QDialog):
@@ -15,13 +16,22 @@ def __init__(self, controller, parent):
         group_name_input = PlaceholderLineEdit(self)
         group_name_input.setPlaceholderText("Remain blank to ungroup..")
 
+        group_picker_btn = QtWidgets.QPushButton()
+        group_picker_btn.setFixedWidth(18)
+        group_picker_menu = QtWidgets.QMenu(group_picker_btn)
+        group_picker_btn.setMenu(group_picker_menu)
+
         group_btn = QtWidgets.QPushButton("Apply", self)
         group_btn.setAutoDefault(True)
         group_btn.setDefault(True)
 
+        name_layout = QtWidgets.QHBoxLayout()
+        name_layout.addWidget(group_name_input)
+        name_layout.addWidget(group_picker_btn)
+
         layout = QtWidgets.QVBoxLayout(self)
         layout.addWidget(main_label, 0)
-        layout.addWidget(group_name_input, 0)
+        layout.addLayout(name_layout, 0)
         layout.addWidget(group_btn, 0)
 
         group_btn.clicked.connect(self._on_apply_click)
@@ -32,11 +42,46 @@ def __init__(self, controller, parent):
         self._controller = controller
         self._group_btn = group_btn
         self._group_name_input = group_name_input
+        self._group_picker_btn = group_picker_btn
+        self._group_picker_menu = group_picker_menu
+        self._group_picker_menu.triggered.connect(self._on_picker_clicked)
 
     def set_product_ids(self, project_name, product_ids):
         self._project_name = project_name
         self._product_ids = product_ids
 
+        # Get parent folders, then for all products under those folders
+        # get all product groups so we can provide those as 'predefined'
+        # entries
+        folder_ids = {
+            product["folderId"] for product in
+            ayon_api.get_products(
+                project_name, product_ids=product_ids, fields={"folderId"})
+        }
+        product_groups = set()
+        for product in ayon_api.get_products(
+            project_name,
+            folder_ids=folder_ids,
+            fields={"attrib.productGroup"}
+        ):
+            product_group = product.get("attrib", {}).get("productGroup")
+            if product_group:
+                product_groups.add(product_group)
+
+        self._set_product_groups(product_groups)
+
+    def _set_product_groups(self, product_groups):
+        """Update product groups for the preset list available in the dialog"""
+        # Update product group picker menu and state
+        self._group_picker_menu.clear()
+        for product_group in product_groups:
+            self._group_picker_menu.addAction(product_group)
+        self._group_picker_btn.setEnabled(bool(product_groups))
+
+    def _on_picker_clicked(self, action):
+        """Callback when action is clicked in group picker menu"""
+        self._group_name_input.setText(action.text())
+
     def _on_apply_click(self):
         group_name = self._group_name_input.text().strip() or None
         self._controller.change_products_group(