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−#!/usr/bin/python2.5
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−#
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−# Copyright 2008 the Melange authors.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
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−#
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−#   http://www.apache.org/licenses/LICENSE-2.0
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−#
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
+
−"""Views for Models with a "presence" on a Melange site.
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−"""
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−
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−__authors__ = [
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−    '"Sverre Rabbelier" <sverre@rabbelier.nl>',
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−  ]
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−
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−
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−from google.appengine.ext import db
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−from google.appengine.api import users
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−
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−from django import forms
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−from django.utils.translation import ugettext_lazy
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−
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−from soc.logic import dicts
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−from soc.logic import validate
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−from soc.logic.models import document as document_logic
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−from soc.views import helper
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−from soc.views.helper import widgets
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−from soc.views.models import base
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−
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−import soc.models.presence
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−import soc.logic.models.presence
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−import soc.logic.dicts
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−import soc.views.helper
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−import soc.views.helper.widgets
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−
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−
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−class SettingsValidationForm(helper.forms.BaseForm):
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−  """Django form displayed when creating or editing Settings.
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−  
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−  This form includes validation functions for Settings fields.
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−  """
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−
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−    # TODO(tlarsen): scope_path will be a hard-coded read-only
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−    #   field for some (most?) User Roles
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−  doc_scope_path = forms.CharField(required=False,
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−      label=ugettext_lazy('Document scope path'),
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−      help_text=soc.models.work.Work.scope_path.help_text)
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−
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−  # TODO(tlarsen): actually, using these two text fields to specify
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−  #   the Document is pretty cheesy; this needs to be some much better
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−  #   Role-scoped Document selector that we don't have yet
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−  doc_link_id = forms.CharField(required=False,
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−      label=ugettext_lazy('Document link ID'),
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−      help_text=soc.models.work.Work.link_id.help_text)
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−
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−  def clean_feed_url(self):
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−    feed_url = self.cleaned_data.get('feed_url')
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−
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−    if feed_url == '':
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−      # feed url not supplied (which is OK), so do not try to validate it
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−      return None
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−    
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−    if not validate.isFeedURLValid(feed_url):
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−      raise forms.ValidationError('This URL is not a valid ATOM or RSS feed.')
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−
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−    return feed_url
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−
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−
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−class CreateForm(SettingsValidationForm):
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−  """Django form displayed when creating or editing Settings.
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−  """
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−
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−  class Meta:
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−    """Inner Meta class that defines some behavior for the form.
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−    """
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−    #: db.Model subclass for which the form will gather information
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−    model = soc.models.presence.Presence
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−
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−    #: list of model fields which will *not* be gathered by the form
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−    exclude = ['inheritance_line', 'home', 'scope']
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−
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−
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−class EditForm(CreateForm):
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−  """Django form displayed a Document is edited.
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−  """
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−
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−  pass
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−
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−
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−class View(base.View):
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−  """View methods for the Document model.
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−  """
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−
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−  def __init__(self, original_params=None):
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−    """Defines the fields and methods required for the base View class
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−    to provide the user with list, public, create, edit and delete views.
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−
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−    Params:
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−      original_params: a dict with params for this View
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−    """
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−
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−    params = {}
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−
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−    params['name'] = "Home Settings"
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−    params['name_short'] = "Home Settings"
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−    params['name_plural'] = "Home Settings"
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−    params['url_name'] = "home/settings"
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−    params['module_name'] = "presence"
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−
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−    params['edit_form'] = EditForm
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−    params['create_form'] = CreateForm
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−
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−    params = dicts.merge(original_params, params)
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−
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−    base.View.__init__(self, params=params)
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−
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−    self._logic = soc.logic.models.presence.logic
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−
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−  def _public(self, request, entity, context):
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−    """
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−    """
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−
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−    if not entity:
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−      return
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−
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−    try:
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−      home_doc = entity.home
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−    except db.Error:
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−      home_doc = None
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−
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−    if home_doc:
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−      home_doc.content = helper.templates.unescape(home_doc.content)
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−      context['home_document'] = home_doc
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−
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−  def _editGet(self, request, entity, form):
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−    """See base.View._editGet().
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−    """
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−
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−    try:
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−      if entity.home:
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−        form.fields['doc_scope_path'].initial = entity.home.scope_path
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−        form.fields['doc_link_id'].initial = entity.home.link_id
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−    except db.Error:
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−      pass
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−
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−  def _editPost(self, request, entity, fields):
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−    """See base.View._editPost().
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−    """
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−
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−    doc_scope_path = fields['doc_scope_path']
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−    doc_link_id = fields['doc_link_id']
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−
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−    # TODO notify the user if home_doc is not found
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−    home_doc = document_logic.logic.getFromFields(
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−    scope_path=doc_scope_path, link_id=doc_link_id)
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−
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−    fields['home'] = home_doc
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−
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−
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−view = View()
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−
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−create = view.create
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−edit = view.edit
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−delete = view.delete
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−list = view.list
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−public = view.public