Python util.label_for_field函数代码示例

    def result_item(self, obj, field_name, row):
        item = super(MyListAdminView, self).result_item(obj, field_name, row)
        if field_name in self.show_my_detail_fields and item.text:
            data = item.text
            item.text = ''
            text, attr = label_for_field(field_name, obj.__class__,
                                     model_admin=self,
                                     return_attr=True
                                     )
            title = text
            item.btns.append('<a data-content="%s" class="details-handler" rel="tooltip" title="%s"><i class="fa fa-info-circle"></i></a>'
                                         % (data, title))
        
        if self.list_editable and item.field and item.field.editable and (field_name in self.list_editable):            
            pk = getattr(obj, obj._meta.pk.attname)
            field_label = label_for_field(field_name, obj,
                                          model_admin=self,
                                          return_attr=False
                                          )

            item.wraps.insert(0, '<span class="editable-field">%s</span>')
            item.btns.append((
                '<a class="editable-handler" title="%s" data-editable-field="%s" data-editable-loadurl="%s">'+
                '<i class="fa fa-edit"></i></a>') %
                 (_(u"Enter %s") % field_label, field_name, self.model_admin_url('patch', pk) + '?fields=' + field_name))

#             if field_name not in self.editable_need_fields:
#                 self.editable_need_fields[field_name] = item.field
            
        return item

 def init(self):
     self.label = label_for_field(self.field_name, self.obj.__class__,
                                  model_admin=self.admin_view,
                                  return_attr=False
                                  )
     try:
         f, attr, value = lookup_field(
             self.field_name, self.obj, self.admin_view)
     except (AttributeError, ObjectDoesNotExist):
         self.text
     else:
         if f is None:
             self.allow_tags = getattr(attr, 'allow_tags', False)
             boolean = getattr(attr, 'boolean', False)
             if boolean:
                 self.allow_tags = True
                 self.text = boolean_icon(value)
             else:
                 self.text = smart_unicode(value)
         else:
             if isinstance(f.rel, models.ManyToOneRel):
                 self.text = getattr(self.obj, f.name)
             else:
                 self.text = display_for_field(value, f)
         self.field = f
         self.attr = attr
         self.value = value

    def result_item(self, item, obj, field_name, row):
        if self.list_editable and item.field and item.field.editable and (field_name in self.list_editable):
            pk = getattr(obj, obj._meta.pk.attname)
            form = self._get_form_admin(obj).form_obj

            if field_name in form.fields:
                form.prefix = str(pk)

                field_label = label_for_field(field_name, obj,
                                              model_admin=self.admin_view,
                                              return_attr=False
                                              )
                data_attr = {
                    'name': field_name,
                    'action': self.admin_view.model_admin_url('patch', pk),
                    'title': _(u"Enter %s") % field_label,
                    'field': form[field_name]
                }
                item.wraps.insert(0, '<span class="editable-field">%s</span>')
                item.btns.append(loader.render_to_string(
                    'xadmin/blocks/editable.html', data_attr))

                if field_name not in self.editable_need_fields:
                    self.editable_need_fields[field_name] = item.field
        return item

    def get_model_data(self):
        self.make_result_list()
        datas = [{"data": [], "label": label_for_field(
            i, self.model, model_admin=self)} for i in self.y_fields]

        for obj in self.result_list:
            xf, attrs, value = lookup_field(self.x_field, obj, self)
            for i, yfname in enumerate(self.y_fields):
                yf, yattrs, yv = lookup_field(yfname, obj, self)
                datas[i]["data"].append((value, yv))

    def result_item(self, item, obj, field_name, row):
        if self._current_layout == 'thumbnails':
            if getattr(item.attr, 'is_column', True):
                item.field_label = label_for_field(field_name, self.model,
                                     model_admin=self.admin_view,
                                     return_attr=False
                                     )
            if getattr(item.attr, 'thumbnail_img', False):
                setattr(item, 'thumbnail_hidden', True)
                row['thumbnail_img'] = item
            elif item.is_display_link:
                setattr(item, 'thumbnail_hidden', True)
                row['thumbnail_label'] = item

        return item

    def result_item(self, item, obj, field_name, row):
        if self.list_editable and item.field and item.field.editable and (field_name in self.list_editable):            
            pk = getattr(obj, obj._meta.pk.attname)
            field_label = label_for_field(field_name, obj,
                                          model_admin=self.admin_view,
                                          return_attr=False
                                          )

            item.wraps.insert(0, '<span class="editable-field">%s</span>')
            item.btns.append((
                '<a class="editable-handler" title="%s" data-editable-field="%s" data-editable-loadurl="%s">'+
                '<i class="fa fa-edit"></i></a>') %
                 (_(u"Enter %s") % field_label, field_name, self.admin_view.model_admin_url('patch', pk) + '?fields=' + field_name))

            if field_name not in self.editable_need_fields:
                self.editable_need_fields[field_name] = item.field
        return item

    def init(self):
        self.label = label_for_field(self.field_name, self.obj.__class__,
                                     model_admin=self.admin_view,
                                     return_attr=False
                                     )
        try:
            f, attr, value = lookup_field(
                self.field_name, self.obj, self.admin_view)
        except (AttributeError, ObjectDoesNotExist):
            self.text
        else:
            if f is None:
                self.allow_tags = getattr(attr, 'allow_tags', False)
                boolean = getattr(attr, 'boolean', False)
                decimal = getattr(attr, 'decimal', None)

                if boolean:
                    self.allow_tags = True
                    self.text = boolean_icon(value)

                elif decimal and value is not None:
                    # removing trailing zeros after .
                    from django.utils import formats

                    value = str(value)
                    if value.rfind('.') != -1:
                        value = value.rstrip('0')
                        decimal_places = len(value) - value.index('.') - 1
                    else:
                        decimal_places = 0

                    # show value by format settings
                    self.text = formats.number_format(value, decimal_places)

                else:
                    self.text = smart_text(value)
            else:
                if isinstance(f.rel, models.ManyToOneRel):
                    self.text = getattr(self.obj, f.name)
                else:
                    self.text = display_for_field(value, f)
            self.field = f
            self.attr = attr
            self.value = value

    def get(self, request, name):
        if name not in self.data_charts:
            return HttpResponseNotFound()

        self.chart = self.data_charts[name]

        self.x_field = self.chart['x-field']
        y_fields = self.chart['y-field']
        self.y_fields = (
            y_fields,) if type(y_fields) not in (list, tuple) else y_fields

        datas = [{"data":[], "label": force_text(label_for_field(
            i, self.model, model_admin=self))} for i in self.y_fields]

        self.make_result_list()

        for obj in self.result_list:
            xf, attrs, value = lookup_field(self.x_field, obj, self)
            for i, yfname in enumerate(self.y_fields):
                yf, yattrs, yv = lookup_field(yfname, obj, self)
                datas[i]["data"].append((value, yv))

        option = {'series': {'lines': {'show': True}, 'points': {'show': False}},
                  'grid': {'hoverable': True, 'clickable': True}}
        try:
            xfield = self.opts.get_field(self.x_field)
            if type(xfield) in (models.DateTimeField, models.DateField, models.TimeField):
                option['xaxis'] = {'mode': "time", 'tickLength': 5}
                if type(xfield) is models.DateField:
                    option['xaxis']['timeformat'] = "%y/%m/%d"
                elif type(xfield) is models.TimeField:
                    option['xaxis']['timeformat'] = "%H:%M:%S"
                else:
                    option['xaxis']['timeformat'] = "%y/%m/%d %H:%M:%S"
        except Exception:
            pass

        option.update(self.chart.get('option', {}))

        content = {'data': datas, 'option': option}
        result = json.dumps(content, cls=JSONEncoder, ensure_ascii=False)

        return HttpResponse(result)

    def result_header(self, field_name, row):
        ordering_field_columns = self.ordering_field_columns
        item = ResultHeader(field_name, row)
        text, attr = label_for_field(field_name, self.model,
                                     model_admin=self,
                                     return_attr=True
                                     )
        item.text = text
        item.attr = attr
        if attr and not getattr(attr, "admin_order_field", None):
            return item

        # OK, it is sortable if we got this far
        th_classes = ['sortable']
        order_type = ''
        new_order_type = 'desc'
        sort_priority = 0
        sorted = False
        # Is it currently being sorted on?
        if field_name in ordering_field_columns:
            sorted = True
            order_type = ordering_field_columns.get(field_name).lower()
            arr = ordering_field_columns.keys()
            if six.PY3:
                arr = list(arr)
            sort_priority = arr.index(field_name) + 1
            th_classes.append('sorted %sending' % order_type)
            new_order_type = {'asc': 'desc', 'desc': 'asc'}[order_type]

        # build new ordering param
        o_list_asc = []  # URL for making this field the primary sort
        o_list_desc = []  # URL for making this field the primary sort
        o_list_remove = []  # URL for removing this field from sort
        o_list_toggle = []  # URL for toggling order type for this field
        make_qs_param = lambda t, n: ('-' if t == 'desc' else '') + str(n)

        for j, ot in ordering_field_columns.items():
            if j == field_name:  # Same column
                param = make_qs_param(new_order_type, j)
                # We want clicking on this header to bring the ordering to the
                # front
                o_list_asc.insert(0, j)
                o_list_desc.insert(0, '-' + j)
                o_list_toggle.append(param)
                # o_list_remove - omit
            else:
                param = make_qs_param(ot, j)
                o_list_asc.append(param)
                o_list_desc.append(param)
                o_list_toggle.append(param)
                o_list_remove.append(param)

        if field_name not in ordering_field_columns:
            o_list_asc.insert(0, field_name)
            o_list_desc.insert(0, '-' + field_name)

        item.sorted = sorted
        item.sortable = True
        item.ascending = (order_type == "asc")
        item.sort_priority = sort_priority

        menus = [
            ('asc', o_list_asc, 'caret-up', _(u'Sort ASC')),
            ('desc', o_list_desc, 'caret-down', _(u'Sort DESC')),
        ]
        if sorted:
            row['num_sorted_fields'] = row['num_sorted_fields'] + 1
            menus.append((None, o_list_remove, 'times', _(u'Cancel Sort')))
            item.btns.append('<a class="toggle" href="%s"><i class="fa fa-%s"></i></a>' % (
                self.get_query_string({ORDER_VAR: '.'.join(o_list_toggle)}), 'sort-up' if order_type == "asc" else 'sort-down'))

        item.menus.extend(['<li%s><a href="%s" class="active"><i class="fa fa-%s"></i> %s</a></li>' %
                         (
                             (' class="active"' if sorted and order_type == i[
                              0] else ''),
                           self.get_query_string({ORDER_VAR: '.'.join(i[1])}), i[2], i[3]) for i in menus])
        item.classes.extend(th_classes)

        return item