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4484bc1b2f
- Show "Clear all filters" only when any filter is selected. - Preserve query string not related with filters. Co-Authored-By: Hasan Ramezani <hasan.r67@gmail.com>
177 lines
4.5 KiB
Python
177 lines
4.5 KiB
Python
from django.contrib import admin
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from django.contrib.auth.admin import UserAdmin
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from django.contrib.auth.models import User
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from django.core.paginator import Paginator
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from .models import Band, Child, Event, Parent, Swallow
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site = admin.AdminSite(name="admin")
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site.register(User, UserAdmin)
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class CustomPaginator(Paginator):
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def __init__(self, queryset, page_size, orphans=0, allow_empty_first_page=True):
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super().__init__(queryset, 5, orphans=2, allow_empty_first_page=allow_empty_first_page)
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class EventAdmin(admin.ModelAdmin):
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date_hierarchy = 'date'
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list_display = ['event_date_func']
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def event_date_func(self, event):
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return event.date
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def has_add_permission(self, request):
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return False
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site.register(Event, EventAdmin)
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class ParentAdmin(admin.ModelAdmin):
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list_filter = ['child__name']
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search_fields = ['child__name']
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class ChildAdmin(admin.ModelAdmin):
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list_display = ['name', 'parent']
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list_per_page = 10
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list_filter = ['parent', 'age']
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def get_queryset(self, request):
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return super().get_queryset(request).select_related("parent")
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class CustomPaginationAdmin(ChildAdmin):
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paginator = CustomPaginator
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class FilteredChildAdmin(admin.ModelAdmin):
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list_display = ['name', 'parent']
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list_per_page = 10
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def get_queryset(self, request):
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return super().get_queryset(request).filter(name__contains='filtered')
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class BandAdmin(admin.ModelAdmin):
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list_filter = ['genres']
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class NrOfMembersFilter(admin.SimpleListFilter):
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title = 'number of members'
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parameter_name = 'nr_of_members_partition'
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def lookups(self, request, model_admin):
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return [
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('5', '0 - 5'),
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('more', 'more than 5'),
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]
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def queryset(self, request, queryset):
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value = self.value()
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if value == '5':
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return queryset.filter(nr_of_members__lte=5)
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if value == 'more':
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return queryset.filter(nr_of_members__gt=5)
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class BandCallableFilterAdmin(admin.ModelAdmin):
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list_filter = [NrOfMembersFilter]
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site.register(Band, BandCallableFilterAdmin)
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class GroupAdmin(admin.ModelAdmin):
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list_filter = ['members']
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class ConcertAdmin(admin.ModelAdmin):
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list_filter = ['group__members']
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search_fields = ['group__members__name']
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class QuartetAdmin(admin.ModelAdmin):
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list_filter = ['members']
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class ChordsBandAdmin(admin.ModelAdmin):
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list_filter = ['members']
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class InvitationAdmin(admin.ModelAdmin):
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list_display = ('band', 'player')
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list_select_related = ('player',)
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class DynamicListDisplayChildAdmin(admin.ModelAdmin):
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list_display = ('parent', 'name', 'age')
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def get_list_display(self, request):
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my_list_display = super().get_list_display(request)
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if request.user.username == 'noparents':
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my_list_display = list(my_list_display)
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my_list_display.remove('parent')
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return my_list_display
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class DynamicListDisplayLinksChildAdmin(admin.ModelAdmin):
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list_display = ('parent', 'name', 'age')
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list_display_links = ['parent', 'name']
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def get_list_display_links(self, request, list_display):
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return ['age']
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site.register(Child, DynamicListDisplayChildAdmin)
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class NoListDisplayLinksParentAdmin(admin.ModelAdmin):
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list_display_links = None
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list_display = ['name']
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list_editable = ['name']
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site.register(Parent, NoListDisplayLinksParentAdmin)
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class SwallowAdmin(admin.ModelAdmin):
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actions = None # prevent ['action_checkbox'] + list(list_display)
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list_display = ('origin', 'load', 'speed', 'swallowonetoone')
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list_editable = ['load', 'speed']
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list_per_page = 3
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site.register(Swallow, SwallowAdmin)
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class DynamicListFilterChildAdmin(admin.ModelAdmin):
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list_filter = ('parent', 'name', 'age')
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def get_list_filter(self, request):
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my_list_filter = super().get_list_filter(request)
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if request.user.username == 'noparents':
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my_list_filter = list(my_list_filter)
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my_list_filter.remove('parent')
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return my_list_filter
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class DynamicSearchFieldsChildAdmin(admin.ModelAdmin):
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search_fields = ('name',)
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def get_search_fields(self, request):
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search_fields = super().get_search_fields(request)
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search_fields += ('age',)
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return search_fields
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class EmptyValueChildAdmin(admin.ModelAdmin):
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empty_value_display = '-empty-'
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list_display = ('name', 'age_display', 'age')
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def age_display(self, obj):
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return obj.age
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age_display.empty_value_display = '†'
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