diff -r 8d941af65caf -r 77b6da96e6f1 web/lib/django/contrib/admin/widgets.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/lib/django/contrib/admin/widgets.py Wed Jun 02 18:57:35 2010 +0200 @@ -0,0 +1,294 @@ +""" +Form Widget classes specific to the Django admin site. +""" + +import django.utils.copycompat as copy + +from django import forms +from django.forms.widgets import RadioFieldRenderer +from django.forms.util import flatatt +from django.utils.html import escape +from django.utils.text import truncate_words +from django.utils.translation import ugettext as _ +from django.utils.safestring import mark_safe +from django.utils.encoding import force_unicode +from django.conf import settings +from django.core.urlresolvers import reverse, NoReverseMatch + +class FilteredSelectMultiple(forms.SelectMultiple): + """ + A SelectMultiple with a JavaScript filter interface. + + Note that the resulting JavaScript assumes that the jsi18n + catalog has been loaded in the page + """ + class Media: + js = (settings.ADMIN_MEDIA_PREFIX + "js/core.js", + settings.ADMIN_MEDIA_PREFIX + "js/SelectBox.js", + settings.ADMIN_MEDIA_PREFIX + "js/SelectFilter2.js") + + def __init__(self, verbose_name, is_stacked, attrs=None, choices=()): + self.verbose_name = verbose_name + self.is_stacked = is_stacked + super(FilteredSelectMultiple, self).__init__(attrs, choices) + + def render(self, name, value, attrs=None, choices=()): + if attrs is None: attrs = {} + attrs['class'] = 'selectfilter' + if self.is_stacked: attrs['class'] += 'stacked' + output = [super(FilteredSelectMultiple, self).render(name, value, attrs, choices)] + output.append(u'\n' % \ + (name, self.verbose_name.replace('"', '\\"'), int(self.is_stacked), settings.ADMIN_MEDIA_PREFIX)) + return mark_safe(u''.join(output)) + +class AdminDateWidget(forms.DateInput): + class Media: + js = (settings.ADMIN_MEDIA_PREFIX + "js/calendar.js", + settings.ADMIN_MEDIA_PREFIX + "js/admin/DateTimeShortcuts.js") + + def __init__(self, attrs={}, format=None): + super(AdminDateWidget, self).__init__(attrs={'class': 'vDateField', 'size': '10'}, format=format) + +class AdminTimeWidget(forms.TimeInput): + class Media: + js = (settings.ADMIN_MEDIA_PREFIX + "js/calendar.js", + settings.ADMIN_MEDIA_PREFIX + "js/admin/DateTimeShortcuts.js") + + def __init__(self, attrs={}, format=None): + super(AdminTimeWidget, self).__init__(attrs={'class': 'vTimeField', 'size': '8'}, format=format) + +class AdminSplitDateTime(forms.SplitDateTimeWidget): + """ + A SplitDateTime Widget that has some admin-specific styling. + """ + def __init__(self, attrs=None): + widgets = [AdminDateWidget, AdminTimeWidget] + # Note that we're calling MultiWidget, not SplitDateTimeWidget, because + # we want to define widgets. + forms.MultiWidget.__init__(self, widgets, attrs) + + def format_output(self, rendered_widgets): + return mark_safe(u'

%s %s
%s %s

' % \ + (_('Date:'), rendered_widgets[0], _('Time:'), rendered_widgets[1])) + +class AdminRadioFieldRenderer(RadioFieldRenderer): + def render(self): + """Outputs a ' % ( + flatatt(self.attrs), + u'\n'.join([u'
  • %s
  • ' % force_unicode(w) for w in self])) + ) + +class AdminRadioSelect(forms.RadioSelect): + renderer = AdminRadioFieldRenderer + +class AdminFileWidget(forms.FileInput): + """ + A FileField Widget that shows its current value if it has one. + """ + def __init__(self, attrs={}): + super(AdminFileWidget, self).__init__(attrs) + + def render(self, name, value, attrs=None): + output = [] + if value and hasattr(value, "url"): + output.append('%s %s
    %s ' % \ + (_('Currently:'), value.url, value, _('Change:'))) + output.append(super(AdminFileWidget, self).render(name, value, attrs)) + return mark_safe(u''.join(output)) + +class ForeignKeyRawIdWidget(forms.TextInput): + """ + A Widget for displaying ForeignKeys in the "raw_id" interface rather than + in a box. + """ + def __init__(self, rel, attrs=None, using=None): + super(ManyToManyRawIdWidget, self).__init__(rel, attrs, using=None) + + def render(self, name, value, attrs=None): + attrs['class'] = 'vManyToManyRawIdAdminField' + if value: + value = ','.join([str(v) for v in value]) + else: + value = '' + return super(ManyToManyRawIdWidget, self).render(name, value, attrs) + + def url_parameters(self): + return self.base_url_parameters() + + def label_for_value(self, value): + return '' + + def value_from_datadict(self, data, files, name): + value = data.get(name, None) + if value and ',' in value: + return data[name].split(',') + if value: + return [value] + return None + + def _has_changed(self, initial, data): + if initial is None: + initial = [] + if data is None: + data = [] + if len(initial) != len(data): + return True + for pk1, pk2 in zip(initial, data): + if force_unicode(pk1) != force_unicode(pk2): + return True + return False + +class RelatedFieldWidgetWrapper(forms.Widget): + """ + This class is a wrapper to a given widget to add the add icon for the + admin interface. + """ + def __init__(self, widget, rel, admin_site): + self.is_hidden = widget.is_hidden + self.needs_multipart_form = widget.needs_multipart_form + self.attrs = widget.attrs + self.choices = widget.choices + self.widget = widget + self.rel = rel + # so we can check if the related object is registered with this AdminSite + self.admin_site = admin_site + + def __deepcopy__(self, memo): + obj = copy.copy(self) + obj.widget = copy.deepcopy(self.widget, memo) + obj.attrs = self.widget.attrs + memo[id(self)] = obj + return obj + + def _media(self): + return self.widget.media + media = property(_media) + + def render(self, name, value, *args, **kwargs): + rel_to = self.rel.to + info = (rel_to._meta.app_label, rel_to._meta.object_name.lower()) + try: + related_url = reverse('admin:%s_%s_add' % info, current_app=self.admin_site.name) + except NoReverseMatch: + info = (self.admin_site.root_path, rel_to._meta.app_label, rel_to._meta.object_name.lower()) + related_url = '%s%s/%s/add/' % info + self.widget.choices = self.choices + output = [self.widget.render(name, value, *args, **kwargs)] + if rel_to in self.admin_site._registry: # If the related object has an admin interface: + # TODO: "id_" is hard-coded here. This should instead use the correct + # API to determine the ID dynamically. + output.append(u' ' % \ + (related_url, name)) + output.append(u'%s' % (settings.ADMIN_MEDIA_PREFIX, _('Add Another'))) + return mark_safe(u''.join(output)) + + def build_attrs(self, extra_attrs=None, **kwargs): + "Helper function for building an attribute dictionary." + self.attrs = self.widget.build_attrs(extra_attrs=None, **kwargs) + return self.attrs + + def value_from_datadict(self, data, files, name): + return self.widget.value_from_datadict(data, files, name) + + def _has_changed(self, initial, data): + return self.widget._has_changed(initial, data) + + def id_for_label(self, id_): + return self.widget.id_for_label(id_) + +class AdminTextareaWidget(forms.Textarea): + def __init__(self, attrs=None): + final_attrs = {'class': 'vLargeTextField'} + if attrs is not None: + final_attrs.update(attrs) + super(AdminTextareaWidget, self).__init__(attrs=final_attrs) + +class AdminTextInputWidget(forms.TextInput): + def __init__(self, attrs=None): + final_attrs = {'class': 'vTextField'} + if attrs is not None: + final_attrs.update(attrs) + super(AdminTextInputWidget, self).__init__(attrs=final_attrs) + +class AdminURLFieldWidget(forms.TextInput): + def __init__(self, attrs=None): + final_attrs = {'class': 'vURLField'} + if attrs is not None: + final_attrs.update(attrs) + super(AdminURLFieldWidget, self).__init__(attrs=final_attrs) + +class AdminIntegerFieldWidget(forms.TextInput): + def __init__(self, attrs=None): + final_attrs = {'class': 'vIntegerField'} + if attrs is not None: + final_attrs.update(attrs) + super(AdminIntegerFieldWidget, self).__init__(attrs=final_attrs) + +class AdminCommaSeparatedIntegerFieldWidget(forms.TextInput): + def __init__(self, attrs=None): + final_attrs = {'class': 'vCommaSeparatedIntegerField'} + if attrs is not None: + final_attrs.update(attrs) + super(AdminCommaSeparatedIntegerFieldWidget, self).__init__(attrs=final_attrs)