ajax_pattern_view.py
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#-*- coding:utf-8 -*-
from dictionary.models import Pattern, Ending, BaseFormLabel, PatternType, \
editable_qualifiers, readonly_vocabularies
from dictionary.forms import PatternEditForm, PatternTypeForm, QualifierForm
from dictionary.ajax_slickgrid import SlickGridQuery
from common.decorators import render, ajax, AjaxError, render_template
class PatternQuery(SlickGridQuery):
model = Pattern
search_field = 'name'
filter_field_translation = {
'lexical_class': 'type__lexical_class__symbol',
'type': 'type__symbol',
}
def apply_mask(self, patterns):
return patterns.filter(name__istartswith=self.mask)
def response_row(self, pattern):
return {
'id': pattern.id,
'name': pattern.name,
'type': pattern.type.symbol,
'lexical_class': pattern.type.lexical_class.symbol,
}
# Zapytanie o indeks wiersza o pewnym id przy danym sortowaniu
@ajax(method='get')
def find_id(request, id, sort_rules, mask, filter=None):
query = PatternQuery(
filter=filter, sort_rules=sort_rules, mask=mask, user=request.user)
index, count = query.row_index(id)
return {
'index': index,
'count': count,
}
# Zapytanie o id oraz indeks wiersza przy danym sortowaniu
# pierwszego wiersza, którego hasło rozpoczyna się od mask.
# 'selected_id' < 0, jeśli takiego nie ma
@ajax(method='get')
def search_index(request, sort_rules, filter, search=''):
query = PatternQuery(
filter=filter, sort_rules=sort_rules, mask=search, user=request.user)
return {
'index': query.search_index()
}
@ajax(method='get')
def get_patterns(request, from_page, to_page, rows, sort_rules, filter,
mask=''):
request.session['pattern-sort_rules'] = sort_rules
request.session['pattern-filter'] = filter
query = PatternQuery(
filter=filter, sort_rules=sort_rules, mask=mask, user=request.user)
return query.get_page(from_page, to_page, rows)
@render_template('pattern_edit_form.html')
@ajax(method='get', template='pattern_edit_form.html')
def pattern_edit_form(request, id):
if not request.user.has_perm('dictionary.view_pattern'):
raise AjaxError('access denied')
to_return = {}
p = Pattern.objects.get(pk=id)
editable = request.user.has_perm('dictionary.change_pattern')
to_return['pattern'] = p
to_return['form'] = PatternEditForm(instance=p, editable=editable)
to_return['type_form'] = PatternTypeForm(instance=p.type, editable=editable)
to_return['editable'] = editable
bfls = p.type.base_form_labels()
ending_groups = dict((bfl, []) for bfl in bfls)
endings = p.endings.order_by('base_form_label', 'index')
for e in endings:
ro_qualifers = e.qualifiers.filter(
vocabulary__in=readonly_vocabularies(request.user))
q_form = QualifierForm(
qualified=e, user=request.user, editable=editable,
prefix='end%s' % e.pk)
ending_groups[e.base_form_label].append((e, ro_qualifers, q_form))
to_return['ending_groups'] = ending_groups
return to_return
# mogłoby iść przez js_vars...
@render('ending_row.html')
@ajax(method='get', encode_result=False)
def new_ending_row(request, pattern_id):
p = Pattern.objects.get(id=pattern_id)
ending = {'string': '', 'id': 'add-NUM'}
form = QualifierForm(user=request.user, prefix='add-NUM')
return {'ending': ending, 'editable': True, 'form': form, 'pattern': p}
@ajax(method='post')
def update_pattern(request, form_data):
if not request.user.has_perm('dictionary.change_pattern'):
raise AjaxError('access denied')
form_dict = dict((x['name'], x['value']) for x in form_data)
p = Pattern.objects.get(pk=form_dict['id'])
form = PatternEditForm(data=form_dict, instance=p)
type_form = PatternTypeForm(data=form_dict)
if type_form.is_valid():
type_qs = PatternType.objects.filter(
symbol=type_form.cleaned_data['symbol'],
lexical_class=type_form.cleaned_data['lexical_class'])
else:
raise AjaxError('invalid data')
if form.is_valid() and len(type_qs) == 1:
form.save()
p.type = type_qs[0]
p.save()
for ending_pk in form_dict['deleted']:
Ending.objects.get(pk=int(ending_pk)).delete()
qualifiers = editable_qualifiers(request.user)
for bfl_endings in form_dict['ending_list']:
endings_data = bfl_endings['endings']
bfl = BaseFormLabel.objects.get(
symbol=bfl_endings['base_form_label'])
endings = []
for index, ending_data in zip(range(1, len(endings_data) + 1),
endings_data):
quals = set(int(q) for q in ending_data['qualifiers'])
if ending_data['id'] == 'add':
ending = Ending.objects.create(
pattern=p, base_form_label=bfl,
string=ending_data['string'],
index=index)
else:
ending = Ending.objects.get(pk=int(ending_data['id']))
ending.index = index
ending.string = ending_data['string']
ending.save()
for qualifier in qualifiers:
qualifier.set_for(ending, qualifier.pk in quals)
endings.append(ending)
else:
raise AjaxError('invalid data')
return {}
@ajax(method='post')
def save_columns(request, columns):
request.session['pattern-columns'] = columns
return {}