The InspectView is disabled by default, as it’s not often useful for most models. However, if you need a view that enables users to view more detailed information about an instance without the option to edit it, you can easily enable the inspect view by setting inspect_view_enabled=True on your ModelAdmin class.
When InspectView is enabled, an ‘Inspect’ button will automatically appear for each row in your index / listing view, linking to a new page that shows a list of field values for that particular object.
By default, all ‘concrete’ fields (where the field value is stored as a column in the database table for your model) will be shown. You can customise what values are displayed by adding the following attributes to your ModelAdmin class:
ModelAdmin.inspect_view_fieldsModelAdmin.inspect_view_fields_excludeModelAdmin.inspect_view_extra_cssModelAdmin.inspect_view_extra_jsModelAdmin.inspect_template_nameModelAdmin.inspect_view_classModelAdmin.inspect_view_fieldsExpected value: A list or tuple, where each item is the name of a field or attribute on the instance that you’d like InspectView to render.
A sensible value will be rendered for most field types.
If you have wagtail.images installed, and the value happens to be an instance of wagtailimages.models.Image (or a custom model that subclasses wagtailimages.models.AbstractImage), a thumbnail of that image will be rendered.
If you have wagtail.documents installed, and the value happens to be an instance of wagtaildocs.models.Document (or a custom model that subclasses wagtaildocs.models.AbstractDocument), a link to that document will be rendered, along with the document title, file extension and size.
ModelAdmin.inspect_view_fields_excludeExpected value: A list or tuple, where each item is the name of a field that you’d like to exclude from InspectView
Note: If both inspect_view_fields and inspect_view_fields_exclude are set, inspect_view_fields_exclude will be ignored.
ModelAdmin.inspect_view_extra_cssExpected value: A list of path names of additional stylesheets to be added to the InspectView
See the following part of the docs to find out more: Adding additional stylesheets and/or JavaScript
ModelAdmin.inspect_view_extra_jsExpected value: A list of path names of additional js files to be added to the InspectView
See the following part of the docs to find out more: Adding additional stylesheets and/or JavaScript
ModelAdmin.inspect_template_nameExpected value: The path to a custom template to use for InspectView
See the following part of the docs to find out more: Overriding templates
ModelAdmin.inspect_view_classExpected value: A custom view class to replace modeladmin.views.InspectView
See the following part of the docs to find out more: Overriding views
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https://docs.wagtail.org/en/stable/reference/contrib/modeladmin/inspectview.html