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Create and edit third level Django inlines
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| from django.contrib.admin.options import IS_POPUP_VAR | |
| from django.template.response import SimpleTemplateResponse | |
| from django.utils.html import escape, escapejs | |
| from mezzanine.core.admin import TabularDynamicInlineAdmin | |
| from mezzanine.pages.admin import PageAdmin | |
| from .models import TopLevel, SecondLevel, ThirdLevel | |
| class SecondLevelInline(TabularDynamicInlineAdmin): | |
| model = SecondLevel | |
| fields = [..., 'edit_third_level', '_order'] | |
| readonly_fields = ['edit_third_level'] # edit_third_level must be in fields and readonly_fields or there will be an exception | |
| class ThirdLevelInline(TabularDynamicInlineAdmin): | |
| model = ThirdLevel | |
| class SecondLevelAdmin(admin.ModelAdmin): | |
| exclude = ['top_level', '_order'] | |
| inlines = [ThirdLevelInline] | |
| def in_menu(self): | |
| """ | |
| Hide from the admin menu unless explicitly set in ``ADMIN_MENU_ORDER``. | |
| """ | |
| for (name, items) in settings.ADMIN_MENU_ORDER: | |
| if "theme.TopBarButton" in items: | |
| return True | |
| return False | |
| def response_change(self, request, obj): | |
| """ | |
| Determines the HttpResponse for the change_view stage. | |
| """ | |
| pk_value = obj._get_pk_val() | |
| if IS_POPUP_VAR in request.POST: | |
| return SimpleTemplateResponse('admin/popup_response.html', { | |
| 'pk_value': escape(pk_value), | |
| 'obj': escapejs(obj) | |
| }) | |
| return super(GlossaryCategoryAdmin, self).response_change(request, obj) | |
| admin.site.register(GlossaryCategory, GlossaryCategoryAdmin) | |
| class TopLevelAdmin(PageAdmin): | |
| inlines = [SecondLevelInline] | |
| admin.site.register(TopLevel, TopLevelAdmin) |
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| from mezzanine.pages.models import Page | |
| from mezzanine.utils.urls import admin_url | |
| class TopLevel(Page): | |
| ... | |
| class SecondLevel(Orderable): | |
| top_level = models.ForeignKey(TopLevel, related_name="categories") | |
| ... | |
| def edit_third_level(self): | |
| ''' | |
| Returns a link to this items change form | |
| ''' | |
| if self.id: | |
| return '<a onclick="return showAddAnotherPopup(this);" href="%s">Edit third level</a>' % admin_url(self.__class__, "change", self.id) | |
| return '' | |
| edit_third_level.allow_tags = True | |
| class ThirdLevel(Orderable): | |
| second_level = models.ForeignKey(SecondLevel) | |
| ... |
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| <!DOCTYPE html> | |
| <html> | |
| <!-- belongs in templates/admin/popup_response.html --> | |
| <head><title></title></head> | |
| <body> | |
| <script type="text/javascript"> | |
| try{ | |
| opener.dismissAddAnotherPopup(window, "{{ pk_value }}", "{{ obj }}"); | |
| } catch(e) { | |
| if (e.name === 'ReferenceError') { | |
| close(); | |
| } else { | |
| throw e; | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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