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ZMI

ZMI is an abbreviation for Zope Management Interface. This is the user interface rendered when accessing Zope`s management screens using a web browser.

Bootstrap ZMI

Since Zope 4.0b4 the ZMI is styled using Twitter bootstrap. The previously used GIF icons were replaced by font glyphs which are stored in the package zmi.icons

Inside that package is a table of the available icons including the names which are required to use them.

Update packages

If you have a Product or package which contains types, which can be added via the ZMI, the default icon will be shown.

To use one of the new icons add an attribute named zmi_icon to the class. The value should be one of the names listed on available icons.

Use custom icons

To use custom icons (which are not part of zmi.icons), you need to subscribe to App.interfaces.IRenderZMIEvent to need your resources.

Example from `Products.CMFCore/Products/CMFCore/zmi.py`:

import App.interfaces
import cmf.icons
import zope.component


@zope.component.adapter(App.interfaces.IRenderZMIEvent)
def load_assets(event):
    """Load the CMS icons for the ZMI."""
    cmf.icons.cmf_icons.need()

The subscriber is registered in Products.CMFCore/Products/CMFCore/event.zcml like this:

<subscriber
    handler=".zmi.load_assets" />

You can can need arbitrary fanstatic resources in the event subscriber, not only icon fonts, but also custom CSS and JavaScript.