127 lines
4.8 KiB
Python
127 lines
4.8 KiB
Python
from django import forms
|
|
from django.conf import settings
|
|
from django.core.exceptions import ImproperlyConfigured
|
|
from django.core.urlresolvers import reverse
|
|
from django.core.serializers.json import DjangoJSONEncoder
|
|
from django.template.loader import render_to_string
|
|
from django.utils.encoding import force_text
|
|
from django.utils.functional import Promise
|
|
from django.utils.html import conditional_escape
|
|
from django.utils.safestring import mark_safe
|
|
from django.utils.translation import get_language
|
|
|
|
try:
|
|
# Django >=1.7
|
|
from django.forms.utils import flatatt
|
|
except ImportError:
|
|
# Django <1.7
|
|
from django.forms.util import flatatt
|
|
|
|
|
|
class LazyEncoder(DjangoJSONEncoder):
|
|
def default(self, obj):
|
|
if isinstance(obj, Promise):
|
|
return force_text(obj)
|
|
return super(LazyEncoder, self).default(obj)
|
|
|
|
|
|
json_encode = LazyEncoder().encode
|
|
|
|
DEFAULT_CONFIG = {
|
|
'skin': 'moono',
|
|
'toolbar_Basic': [
|
|
['Source', '-', 'Bold', 'Italic']
|
|
],
|
|
'toolbar_Full': [
|
|
['Styles', 'Format', 'Bold', 'Italic', 'Underline', 'Strike', 'SpellChecker', 'Undo', 'Redo'],
|
|
['Link', 'Unlink', 'Anchor'],
|
|
['Image', 'Flash', 'Table', 'HorizontalRule'],
|
|
['TextColor', 'BGColor'],
|
|
['Smiley', 'SpecialChar'], ['Source'],
|
|
],
|
|
'toolbar': 'Full',
|
|
'height': 291,
|
|
'width': 835,
|
|
'filebrowserWindowWidth': 940,
|
|
'filebrowserWindowHeight': 725,
|
|
}
|
|
|
|
|
|
class CKEditorWidget(forms.Textarea):
|
|
"""
|
|
Widget providing CKEditor for Rich Text Editing.
|
|
Supports direct image uploads and embed.
|
|
"""
|
|
class Media:
|
|
js = ()
|
|
jquery_url = getattr(settings, 'CKEDITOR_JQUERY_URL', None)
|
|
if jquery_url:
|
|
js += (jquery_url, )
|
|
try:
|
|
js += (
|
|
settings.STATIC_URL + 'ckeditor/ckeditor/ckeditor.js',
|
|
settings.STATIC_URL + 'ckeditor/ckeditor-init.js',
|
|
)
|
|
except AttributeError:
|
|
raise ImproperlyConfigured("django-ckeditor requires \
|
|
CKEDITOR_MEDIA_PREFIX setting. This setting specifies a \
|
|
URL prefix to the ckeditor JS and CSS media (not \
|
|
uploaded media). Make sure to use a trailing slash: \
|
|
CKEDITOR_MEDIA_PREFIX = '/media/ckeditor/'")
|
|
|
|
def __init__(self, config_name='default', extra_plugins=None, external_plugin_resources=None, *args, **kwargs):
|
|
super(CKEditorWidget, self).__init__(*args, **kwargs)
|
|
# Setup config from defaults.
|
|
self.config = DEFAULT_CONFIG.copy()
|
|
|
|
# Try to get valid config from settings.
|
|
configs = getattr(settings, 'CKEDITOR_CONFIGS', None)
|
|
if configs:
|
|
if isinstance(configs, dict):
|
|
# Make sure the config_name exists.
|
|
if config_name in configs:
|
|
config = configs[config_name]
|
|
# Make sure the configuration is a dictionary.
|
|
if not isinstance(config, dict):
|
|
raise ImproperlyConfigured('CKEDITOR_CONFIGS["%s"] \
|
|
setting must be a dictionary type.' % \
|
|
config_name)
|
|
# Override defaults with settings config.
|
|
self.config.update(config)
|
|
else:
|
|
raise ImproperlyConfigured("No configuration named '%s' \
|
|
found in your CKEDITOR_CONFIGS setting." % \
|
|
config_name)
|
|
else:
|
|
raise ImproperlyConfigured('CKEDITOR_CONFIGS setting must be a\
|
|
dictionary type.')
|
|
|
|
extra_plugins = extra_plugins or []
|
|
|
|
if extra_plugins:
|
|
self.config['extraPlugins'] = ','.join(extra_plugins)
|
|
|
|
self.external_plugin_resources = external_plugin_resources or []
|
|
|
|
def render(self, name, value, attrs={}):
|
|
if value is None:
|
|
value = ''
|
|
final_attrs = self.build_attrs(attrs, name=name)
|
|
if 'filebrowserUploadUrl' not in self.config:
|
|
self.config.setdefault('filebrowserUploadUrl', reverse('ckeditor_upload'))
|
|
if 'filebrowserBrowseUrl' not in self.config:
|
|
self.config.setdefault('filebrowserBrowseUrl', reverse('ckeditor_browse'))
|
|
if not self.config.get('language'):
|
|
self.config['language'] = get_language()
|
|
|
|
# Force to text to evaluate possible lazy objects
|
|
external_plugin_resources = [[force_text(a), force_text(b), force_text(c)] for a, b, c in self.external_plugin_resources]
|
|
|
|
return mark_safe(render_to_string('ckeditor/widget.html', {
|
|
'final_attrs': flatatt(final_attrs),
|
|
'value': conditional_escape(force_text(value)),
|
|
'id': final_attrs['id'],
|
|
'config': json_encode(self.config),
|
|
'external_plugin_resources' : json_encode(external_plugin_resources)
|
|
}))
|