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# -*- coding: utf-8 -*-
from cms.forms.utils import get_site_choices, get_page_choices
from cms.models import Page, PageUser, Placeholder
from cms.plugin_pool import plugin_pool
from cms.utils import get_language_from_request
from django.conf import settings
from django.contrib.sites.models import Site
from django.forms.widgets import Select, MultiWidget, Widget
from django.template.context import RequestContext
from django.template.loader import render_to_string
from django.utils.encoding import force_unicode
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext as _
from os.path import join
import copy
class PageSelectWidget(MultiWidget):
"""A widget that allows selecting a page by first selecting a site and then
a page on that site in a two step process.
"""
def __init__(self, site_choices=None, page_choices=None, attrs=None):
if attrs is not None:
self.attrs = attrs.copy()
else:
self.attrs = {}
if site_choices is None or page_choices is None:
site_choices, page_choices = get_site_choices(), get_page_choices()
self.site_choices = site_choices
self.choices = page_choices
widgets = (Select(choices=site_choices ),
Select(choices=[('', '----')]),
Select(choices=self.choices, attrs={'style': "display:none;"} ),
)
super(PageSelectWidget, self).__init__(widgets, attrs)
def decompress(self, value):
"""
receives a page_id in value and returns the site_id and page_id
of that page or the current site_id and None if no page_id is given.
"""
if value:
page = Page.objects.get(pk=value)
site = page.site
return [site.pk, page.pk, page.pk]
site = Site.objects.get_current()
return [site.pk,None,None]
def _has_changed(self, initial, data):
# THIS IS A COPY OF django.forms.widgets.Widget._has_changed()
# (except for the first if statement)
"""
Return True if data differs from initial.
"""
# For purposes of seeing whether something has changed, None is
# the same as an empty string, if the data or inital value we get
# is None, replace it w/ u''.
if data is None or (len(data)>=2 and data[1] in [None,'']):
data_value = u''
else:
data_value = data
if initial is None:
initial_value = u''
else:
initial_value = initial
if force_unicode(initial_value) != force_unicode(data_value):
return True
return False
def render(self, name, value, attrs=None):
# THIS IS A COPY OF django.forms.widgets.MultiWidget.render()
# (except for the last line)
# value is a list of values, each corresponding to a widget
# in self.widgets.
if not isinstance(value, list):
value = self.decompress(value)
output = []
final_attrs = self.build_attrs(attrs)
id_ = final_attrs.get('id', None)
for i, widget in enumerate(self.widgets):
try:
widget_value = value[i]
except IndexError:
widget_value = None
if id_:
final_attrs = dict(final_attrs, id='%s_%s' % (id_, i))
output.append(widget.render(name + '_%s' % i, widget_value, final_attrs))
output.append(r'''<script type="text/javascript">
(function($) {
var handleSiteChange = function(site_name, selected_id) {
$("#id_%(name)s_1 optgroup").remove();
var myOptions = $("#id_%(name)s_2 optgroup[label=" + site_name + "]").clone();
$("#id_%(name)s_1").append(myOptions);
$("#id_%(name)s_1").change();
};
var handlePageChange = function(page_id) {
if (page_id) {
$("#id_%(name)s_2 option").removeAttr('selected');
$("#id_%(name)s_2 option[value=" + page_id + "]").attr('selected','selected');
} else {
$("#id_%(name)s_2 option[value=]").attr('selected','selected');
};
};
$("#id_%(name)s_0").change(function(){
var site_label = $("#id_%(name)s_0").children(":selected").text();
handleSiteChange( site_label );
});
$("#id_%(name)s_1").change(function(){
var page_id = $(this).find('option:selected').val();
handlePageChange( page_id );
});
$(function(){
handleSiteChange( $("#id_%(name)s_0").children(":selected").text() );
$("#add_id_%(name)s").hide();
});
})(django.jQuery);
</script>''' % {'name': name})
return mark_safe(self.format_output(output))
def format_output(self, rendered_widgets):
return u' '.join(rendered_widgets)
class PluginEditor(Widget):
def __init__(self, attrs=None):
if attrs is not None:
self.attrs = attrs.copy()
else:
self.attrs = {}
class Media:
js = [join(settings.CMS_MEDIA_URL, path) for path in (
'js/lib/ui.core.js',
'js/lib/ui.sortable.js',
'js/plugin_editor.js',
)]
css = {
'all': [join(settings.CMS_MEDIA_URL, path) for path in (
'css/plugin_editor.css',
)]
}
def render(self, name, value, attrs=None):
context = {
'plugin_list': self.attrs['list'],
'installed_plugins': self.attrs['installed'],
'copy_languages': self.attrs['copy_languages'],
'language': self.attrs['language'],
'show_copy': self.attrs['show_copy'],
'placeholder': self.attrs['placeholder'],
}
return mark_safe(render_to_string(
'admin/cms/page/widgets/plugin_editor.html', context))
class UserSelectAdminWidget(Select):
"""Special widget used in page permission inlines, because we have to render
an add user (plus) icon, but point it somewhere else - to special user creation
view, which is accessible only if user haves "add user" permissions.
Current user should be assigned to widget in form constructor as an user
attribute.
"""
def render(self, name, value, attrs=None, choices=()):
output = [super(UserSelectAdminWidget, self).render(name, value, attrs, choices)]
if hasattr(self, 'user') and (self.user.is_superuser or \
self.user.has_perm(PageUser._meta.app_label + '.' + PageUser._meta.get_add_permission())):
# append + icon
add_url = '../../../cms/pageuser/add/'
output.append(u'<a href="%s" class="add-another" id="add_id_%s" onclick="return showAddAnotherPopup(this);"> ' % \
(add_url, name))
output.append(u'<img src="%simg/admin/icon_addlink.gif" width="10" height="10" alt="%s"/></a>' % (settings.ADMIN_MEDIA_PREFIX, _('Add Another')))
return mark_safe(u''.join(output))
class PlaceholderPluginEditorWidget(PluginEditor):
attrs = {}
def __init__(self, request, filter_func):
self.request = request
self.filter_func = filter_func
def __deepcopy__(self, memo):
obj = copy.copy(self)
obj.request = copy.copy(self.request)
obj.filter_func = self.filter_func
memo[id(self)] = obj
return obj
def render(self, name, value, attrs=None):
try:
ph = Placeholder.objects.get(pk=value)
except Placeholder.DoesNotExist:
ph = None
context = {'add':True}
if ph:
plugin_list = ph.cmsplugin_set.filter(parent=None).order_by('position')
plugin_list = self.filter_func(self.request, plugin_list)
language = get_language_from_request(self.request)
copy_languages = []
if ph.actions.can_copy:
copy_languages = ph.actions.get_copy_languages(
placeholder=ph,
model=ph._get_attached_model(),
fieldname=ph._get_attached_field_name()
)
context = {
'plugin_list': plugin_list,
'installed_plugins': plugin_pool.get_all_plugins(ph.slot),
'copy_languages': copy_languages,
'language': language,
'show_copy': bool(copy_languages) and ph.actions.can_copy,
'urloverride': True,
'placeholder': ph,
}
#return mark_safe(render_to_string(
# 'admin/cms/page/widgets/plugin_editor.html', context))
return mark_safe(render_to_string(
'admin/cms/page/widgets/placeholder_editor.html', context, RequestContext(self.request)))
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