1 #!/usr/bin/python2.5

     2 #

     3 # Copyright 2008 the Melange authors.

     4 #

     5 # Licensed under the Apache License, Version 2.0 (the "License");

     6 # you may not use this file except in compliance with the License.

     7 # You may obtain a copy of the License at

     8 #

     9 #   http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 # Unless required by applicable law or agreed to in writing, software

    12 # distributed under the License is distributed on an "AS IS" BASIS,

    13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 

    17 """Custom widgets used for form fields.

    18 """

    19 

    20 __authors__ = [

    21   '"Pawel Solyga" <pawel.solyga@gmail.com>',

    22   ]

    23 

    24 import django.newforms as forms

    25 from django.newforms.widgets import flatatt

    26 from django.newforms.util import smart_unicode

    27 from django.utils.html import escape

    28 from django.utils import simplejson

    29 from django.utils.safestring import mark_safe

    30 

    31 class TinyMCE(forms.Textarea):

    32     """

    33     TinyMCE widget. requires you include tiny_mce_src.js in your template

    34     you can customize the mce_settings by overwriting instance mce_settings,

    35     or add extra options using update_settings

    36     """ 

    37 

    38     mce_settings = dict(

    39         mode = "exact",

    40         theme = "simple",

    41         theme_advanced_toolbar_location = "top",

    42         theme_advanced_toolbar_align = "center",

    43     )    

    44 

    45     def update_settings(self, custom):

    46         return_dict = self.mce_settings.copy()

    47         return_dict.update(custom)

    48         return return_dict

    49 

    50     def render(self, name, value, attrs=None):

    51         if value is None:

    52           value = ''

    53         value = smart_unicode(value)

    54         final_attrs = self.build_attrs(attrs, name=name)

    55 

    56         self.mce_settings['elements'] = "id_%s" % name

    57         mce_json = simplejson.JSONEncoder().encode(self.mce_settings)

    58 

    59         return mark_safe(u'<textarea%s>%s</textarea> \

    60                 <script type="text/javascript">\

    61                 tinyMCE.init(%s)</script>' % (flatatt(final_attrs), 

    62                                               escape(value), 

    63                                               mce_json))