Refatoração/Adição do filtro por ordem alfabetica

sigi/apps/parlamentares/admin.py

@@ -8,6 +8,7 @@ from django.http import HttpResponse, HttpResponseRedirect
 from sigi.apps.contatos.models import Telefone
 from sigi.apps.parlamentares.models import Partido, Parlamentar, Mandato
 from sigi.apps.parlamentares.views import adicionar_parlamentar_carrinho
+from sigi.apps.utils.alphabetic_filter import AlphabeticFilter
 
 class MandatosInline(admin.TabularInline):
     model = Mandato
@@ -24,41 +25,9 @@ class PartidoAdmin(admin.ModelAdmin):
     search_fields = ('nome', 'sigla')
 
 
-class AlphabeticFilter(admin.SimpleListFilter):
-    # Human-readable title which will be displayed in the
-    # right admin sidebar just above the filter options.
-    title = ''
-
-    # Parameter for the filter that will be used in the URL query.
-    parameter_name = ''
-
-    alphabetic = string.ascii_uppercase
-
-    def lookups(self, request, model_admin):
-        """
-        Returns a list of tuples. The first element in each
-        tuple is the coded value for the option that will
-        appear in the URL query. The second element is the
-        human-readable name for the option that will appear
-        in the right sidebar.
-        """
-
-        return ((letter, letter,) for letter in self.alphabetic)
-
-    def queryset(self, request, queryset):
-        """
-        Returns the filtered queryset based on the value
-        provided in the query string and retrievable via
-        `self.value()`.
-        """
-
-        qs = self.parameter_name + '__istartswith', self.value()
-        return queryset.filter(qs)
-
-
 class ParlamentarNomeCompletoFilter(AlphabeticFilter):
-    title = 'Nome Completo do Parlamentar'
-    parameter_name = 'nome_completo'
+     title = 'Nome Completo do Parlamentar'
+     parameter_name = 'nome_completo'
 
 
 class ParlamentarAdmin(admin.ModelAdmin):

sigi/apps/servidores/admin.py

@@ -6,6 +6,8 @@ from sigi.apps.utils.admin_widgets import AdminImageWidget
 from sigi.apps.servidores.models import Servidor, Funcao, Licenca, Ferias, Servico, Subsecretaria
 from sigi.apps.contatos.models import Endereco, Telefone
 from sigi.apps.servidores.forms import FeriasForm, LicencaForm, FuncaoForm
+from sigi.apps.utils.alphabetic_filter import AlphabeticFilter
+
 
 class FuncaoAdmin(admin.ModelAdmin):
     form = FuncaoForm
@@ -24,23 +26,39 @@ class FeriasAdmin(admin.ModelAdmin):
                      'servidor__nome_completo', 'servidor__email_pessoal',
                      'servidor__user__email', 'servidor__user__username')
 
+
+from sigi.apps.utils.alphabetic_filter import AlphabeticFilter
+
+
+class ServidorFilter(AlphabeticFilter):
+    title = 'Nome do Servidor'
+    parameter_name = 'servidor__nome_completo'
+
+
 class LicencaAdmin(admin.ModelAdmin):
     form = LicencaForm
     list_display = ('servidor', 'inicio_licenca', 'fim_licenca')
-    list_filter  = ('servidor', 'inicio_licenca', 'fim_licenca')
+    list_filter  = (ServidorFilter, 'servidor', 'inicio_licenca', 'fim_licenca')
     search_fields = ('obs',
                      'servidor__nome_completo', 'servidor__email_pessoal',
                      'servidor__user__email', 'servidor__user__username')
 
+    def lookup_allowed(self, lookup, value):
+        return super(LicencaAdmin, self).lookup_allowed(lookup, value) or \
+                  lookup in ['servidor__nome_completo']
+
+
 class EnderecoInline(generic.GenericStackedInline):
     model = Endereco
     extra = 0
     raw_id_fields = ('municipio',)
 
+
 class TelefonesInline(generic.GenericTabularInline):
     extra = 1
     model = Telefone
 
+
 class ServidorAdmin(admin.ModelAdmin):
     def is_active(self, servidor):
         return servidor.user.is_active

sigi/apps/utils/alphabetic_filter.py

@@ -0,0 +1,30 @@
+# coding: utf-8
+import string
+from django.contrib import admin
+
+class AlphabeticFilter(admin.SimpleListFilter):
+	# Human-readable title which will be displayed in the
+    # right admin sidebar just above the filter options.
+    title = ''
+
+    # Parameter for the filter that will be used in the URL query.
+    parameter_name = ''
+
+    def lookups(self, request, model_admin):
+    	"""
+        Returns a list of tuples. The first element in each
+        tuple is the coded value for the option that will
+        appear in the URL query. The second element is the
+        human-readable name for the option that will appear
+        in the right sidebar.
+        """
+        return ((letter, letter,) for letter in string.ascii_uppercase)
+
+    def queryset(self, request, queryset):
+    	"""
+        Returns the filtered queryset based on the value
+        provided in the query string and retrievable via
+        `self.value()`.
+        """
+    	if self.value():
+        	return queryset.filter( ( self.parameter_name + '__istartswith', self.value() ) )