author | Lennard de Rijk <ljvderijk@gmail.com> |
Sun, 15 Mar 2009 14:53:00 +0000 | |
changeset 1868 | 6847be02943a |
parent 1778 | 660502cad63a |
child 1960 | 64fa3cf03b4e |
permissions | -rw-r--r-- |
#!/usr/bin/python2.5 # # Copyright 2008 the Melange authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """Custom widgets used for form fields. """ __authors__ = [ '"Pawel Solyga" <pawel.solyga@gmail.com>', ] import copy from django import forms from django.forms import util from django.forms import widgets from django.utils import html from django.utils import simplejson from django.utils import safestring from soc.logic import dicts class ReadOnlyInput(forms.widgets.Input): """Read only input widget. """ input_type = 'text' def render(self, name, value, attrs=None): """Render ReadOnlyInput widget as HTML. """ attrs['readonly'] = 'readonly' attrs['class'] = 'plaintext' return super(ReadOnlyInput, self).render(name, value, attrs) class PlainTextWidget(forms.widgets.Widget): """Read only input widget. """ def render(self, name, value, attrs=None): """Render ReadOnlyInput widget as HTML. """ return str(value) if value else "" class FullTinyMCE(forms.widgets.Textarea): """TinyMCE widget. Requires to include tiny_mce_src.js in your template. Widget can be customized by overwriting or adding extra options to mce_settings dictionary You can set TinyMCE widget for particular form field using code below: class ExampleForm(helper.forms.BaseForm): content = forms.fields.CharField(widget=helper.widgets.TinyMCE()) You can include tiny_mce_src.js in your template using: {% block scripts %} <script type="text/javascript" src="/tiny_mce/tiny_mce_src.js"></script> {% endblock %} """ features1 = ("bold,italic,underline,strikethrough,|," "forecolor,backcolor,blockquote,|" ",justifyleft,justifycenter,justifyright,justifyfull,|," "fontselect, fontsizeselect,formatselect") features2 = ("newdocument,|,bullist,numlist,|,outdent,indent,|,undo,redo,|" ",link,unlink,anchor,image,cleanup,help,code,hr,removeformat,visualaid,|," "sub,sup,|,charmap," "") DEF_MCE_SETTINGS = { 'mode': "exact", 'theme': "advanced", 'theme_advanced_buttons1': features1, 'theme_advanced_buttons2': features2, 'theme_advanced_buttons3': '', 'theme_advanced_toolbar_location': "top", 'theme_advanced_toolbar_align': "left", 'relative_urls': 0, 'remove_script_host': 0, } TINY_MCE_HTML_FMT = u'''\ <textarea %(attrs)s>%(value)s</textarea> <script type="text/javascript"> tinyMCE.init(%(settings_json)s) </script>''' def __init__(self, mce_settings=None, *args, **kwargs): """Initialize TinyMCE widget with default or customized settings. Args: mce_settings: dict with TinyMCE widget settings *args, **kwargs: passed through to parent __init__() constructor """ super(forms.widgets.Textarea, self).__init__(*args, **kwargs) self.mce_settings = self.DEF_MCE_SETTINGS def render(self, name, value, attrs=None): """Render TinyMCE widget as HTML. """ if value is None: value = '' value = util.smart_unicode(value) final_attrs = self.build_attrs(attrs, name=name) self.mce_settings['elements'] = "id_%s" % name # convert mce_settings from dict to JSON mce_json = simplejson.JSONEncoder().encode(self.mce_settings) return safestring.mark_safe(self.TINY_MCE_HTML_FMT % {'attrs': widgets.flatatt(final_attrs), 'value': html.escape(value), 'settings_json': mce_json}) class TinyMCE(FullTinyMCE): """Regular version of TinyMce """ def __init__(self, *args, **kwargs): """ """ super(TinyMCE, self).__init__(*args, **kwargs) keys = ['mode', 'theme', 'theme_advanced_toolbar_location', 'theme_advanced_toolbar_align', 'relative_urls', 'remove_script_host'] self.mce_settings = dicts.filter(self.mce_settings, keys) class ReferenceField(forms.CharField): """Widget for selecting a reference to an Entity. """ def __init__(self, reference_url, filter=None, filter_fields=None, *args, **kwargs): """Initializes the widget with the specified url and filter. """ self.rf = {} self.rf['reference_url'] = reference_url self.rf['filter'] = filter if filter else [] self.rf['filter_fields'] = filter_fields if filter_fields else {} super(ReferenceField, self).__init__(*args, **kwargs) class AgreementField(widgets.Widget): """Widget for selecting a reference to an Entity. """ HTML_CODE = """ <span style="width:450px" colspan="4"> <div id="ToS" style="overflow:auto;height:500px"> %(text)s </div> </span> %(url)s """ def __init__(self, *args, **kwargs): self.text = "No Agreement Text Specified" self.url = "" super(AgreementField, self).__init__(*args, **kwargs) def render(self, name, value, attrs=None): """ """ url = '<a href="%s" target="_blank">Full Text</a>' % self.url if self.url else "" value = self.text.replace('\n', '<BR />') result = self.HTML_CODE % {'url': url, 'text': value} return result