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    <p>Subclass <code>AdminTimeWidget</code> to include a modified DateTimeShortcuts.js (get to that in a sec), then subclass <code>AdminSplitDateTime</code> to include your subclassed <code>MyAdminTimeWidget</code> instead of the default Django one:</p> <pre><code>from django.contrib.admin.widgets import AdminTimeWidget from django.conf import settings class MyAdminTimeWidget(AdminTimeWidget): class Media: js = (settings.ADMIN_MEDIA_PREFIX + "js/calendar.js", settings.MEDIA_URL + "js/admin/DateTimeShortcuts.js") class MyAdminSplitDateTime(AdminSplitDateTime): def __init__(self, attrs=None): widgets = [AdminDateWidget, MyAdminTimeWidget] forms.MultiWidget.__init__(self, widgets, attrs) </code></pre> <p>The secret sauce is in <code>django/contrib/admin/media/js/admin/DateTimeShortcuts.js</code>. This is what creates the list you want to modify. Copy this file and paste it into your project's <code>site_media/js/admin</code> directory. The relevant code you need to modify is on lines 85-88:</p> <pre><code>quickElement("a", quickElement("li", time_list, ""), gettext("Now"), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", new Date().strftime('" + time_format + "'));"); quickElement("a", quickElement("li", time_list, ""), gettext("Midnight"), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", new Date(1970,1,1,0,0,0,0).strftime('" + time_format + "'));"); quickElement("a", quickElement("li", time_list, ""), gettext("6 a.m."), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", new Date(1970,1,1,6,0,0,0).strftime('" + time_format + "'));"); quickElement("a", quickElement("li", time_list, ""), gettext("Noon"), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", new Date(1970,1,1,12,0,0,0).strftime('" + time_format + "'));"); </code></pre> <p>Simply add to/delete from/modify that bit of javascript to your heart's content.</p> <p>Finally, attach your new widget to any DateTimeFields you like. Your best bet for that will probably be the <code>formfield_overrides</code> attribute on <code>ModelAdmin</code>:</p> <pre><code>class MyModelAdmin(admin.ModelAdmin): formfield_overrides = { models.DateTimeField: {'widget': MyAdminSplitDateTime}, } </code></pre>
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