René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"How to limit targets in move page view","articleBody":"It would be nice to have a way to disallow certain targets in the move view - e.g. moving pages outside of a \"Home\" node or disallow moving pages before fixed pages (read: node stays always on top in menu).\r\n\r\nI tried to monkey patch feincms3.admin.MoveForm.__generate_choices method and filter only for allowed pages but to no success.\r\n\r\nI somehow got it working now by overwriting the feincms3.admin.MoveForm.clean() method - but that feels wrong and is not very user friendly as all the move targets are still shown in the admin UI:\r\n\r\n```python\r\nclass MyMoveForm(MoveForm):\r\n    def clean(self):\r\n        data = super().clean()\r\n        if not data.get(\"new_location\"):\r\n            return data\r\n        if self.request.user.is_superuser:\r\n           return data\r\n\r\n        # don't allow to create a new root node\r\n        relative = data[\"relative\"]\r\n        first_or_right = data[\"first_or_right\"]\r\n        if not relative:\r\n            raise ValidationError(\"You do not have the permission to move this page here!\")\r\n        elif first_or_right =='right' and not relative.parent:\r\n            raise ValidationError(\"You do not have the permission to move this page here!\")\r\n\r\n\r\n@admin.register(models.Page)\r\nclass PageAdmin(ContentEditor, TreeAdmin):\r\n    ...\r\n\r\n    def move_view(self, request, obj):\r\n        return self.action_form_view(\r\n            request, obj, form_class=MyMoveForm, title=f\"Move {obj}\"\r\n        )\r\n```\r\n\r\nAn option to disallow certain pages as move target or any idea how to tackle that in a smart way is very appreciated. ","author":{"url":"https://github.com/barsch","@type":"Person","name":"barsch"},"datePublished":"2024-05-02T02:37:23.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/41/feincms3/issues/41"}