ajax_pattern_view.py
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# -*- coding: utf-8 -*-
from collections import OrderedDict
from django.shortcuts import get_object_or_404
from common.util import error_messages
from common.decorators import render, ajax, AjaxError, render_ajax
from dictionary.models import Pattern, Ending, BaseFormLabel, PatternType, \
editable_qualifiers, readonly_vocabularies, visible_vocabularies, Gender, \
LexicalClass
from patterns.forms import PatternEditForm, QualifierForm
from dictionary.ajax_slickgrid import SlickGridQuery
COLOR_SCHEMES = dict(LexicalClass.objects.values_list('symbol', 'color_scheme'))
class PatternQuery(SlickGridQuery):
model = Pattern
sort_field = 'name'
select_related = ['type__lexical_class']
default_columns = ('name', 'type')
column_data = {
'id': lambda pattern: pattern.id,
'scheme': lambda pattern: COLOR_SCHEMES[pattern.type.lexical_class_id],
'name': lambda pattern: pattern.name,
'type': lambda pattern: pattern.type.symbol,
'lexical_class': lambda pattern: pattern.type.lexical_class_id,
'example':
lambda pattern: pattern.example + u'·' + pattern.basic_form_ending,
}
filter_field_translation = {
'lexical_class': 'type__lexical_class__symbol',
'base_form_label': 'endings__base_form_label__symbol',
}
# Zapytanie o id oraz indeks wiersza przy danym sortowaniu
# pierwszego wiersza, którego hasło rozpoczyna się od search.
# '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)
return {'index': query.search_index(search)}
@ajax(method='get')
def get_patterns(request, from_page, to_page, rows, sort_rules, filter):
request.session['pattern-sort_rules'] = sort_rules
request.session['pattern-filter'] = filter
columns = request.session.get('pattern-columns')
query = PatternQuery(filter=filter, sort_rules=sort_rules, columns=columns)
rows, count = query.get_page(from_page, to_page, rows)
return {
'rows': rows,
'count': count,
'page': from_page,
}
@render_ajax(template='pattern_preview.html', method='get')
def pattern_preview(request, id):
pattern = get_object_or_404(Pattern, id=id)
lips = pattern.lexemeinflectionpattern_set.filter(
lexeme__vocabularies__in=visible_vocabularies(request.user))
detailed_counts = []
def lexeme_count(q):
return q.values('lexeme').distinct().count()
if pattern.type.lexical_class_id == 'subst':
for gender in Gender.objects.all():
gender_count = lexeme_count(lips.filter(gender=gender))
if gender_count > 0:
detailed_counts.append((gender.symbol, gender_count))
return {
'pattern': pattern,
'lexeme_count': lexeme_count(lips),
'detailed_counts': detailed_counts,
}
@render_ajax(template='pattern_edit_form.html', method='get')
def pattern_edit_form(request, id):
if not request.user.has_perm('dictionary.view_pattern'):
raise AjaxError('access denied')
p = Pattern.all_objects.get(pk=id)
editable = request.user.has_perm('dictionary.change_pattern')
ending_groups = OrderedDict(
(bfl, []) for bfl in p.type.base_form_labels.all())
endings = p.endings.order_by('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)
if e.base_form_label in ending_groups:
ending_groups[e.base_form_label].append((e, ro_qualifers, q_form))
else:
e.delete()
return {
'pattern': p,
'form': PatternEditForm(instance=p, editable=editable),
'editable': editable,
'ending_groups': ending_groups,
}
# mogłoby iść przez js_vars...
@render('ending_row.html')
@ajax(method='get', encode_result=False)
def new_ending_row(request, pattern_id):
p = Pattern.all_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.all_objects.get(pk=form_dict['id'])
lc = p.type.lexical_class
form = PatternEditForm(data=form_dict, instance=p)
if form.is_valid():
form.save()
p.deleted = False
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'], lexical_class=lc)
endings = []
for index, ending_data in enumerate(endings_data, 1):
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(error_messages(form))
return {}
@ajax(method='post')
def save_columns(request, columns):
request.session['pattern-columns'] = columns
return {}
@ajax(method='post')
def create_pattern(request):
new_name = u'nowy wzór %s'
i = 1
while Pattern.all_objects.filter(name=new_name % i).exists():
i += 1
pt = PatternType.objects.get(lexical_class_id='subst', symbol='m')
p = Pattern.objects.create(
name=new_name % i, type=pt, example='...', status='nowy',
deleted=True)
return {'id': p.id}