82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
# coding: utf-8
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"""
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Make items sortable by drag-drop in list view. Diffierent from
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builtin plugin sortable, it touches model field indeed intead
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of only for display.
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"""
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from __future__ import unicode_literals
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from django.template.loader import render_to_string
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from django.urls.base import reverse
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from django.db import transaction
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from xadmin.views import (
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BaseAdminPlugin, ModelAdminView, ListAdminView
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)
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from xadmin.sites import site
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from xadmin.views.base import csrf_protect_m
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class SortableListPlugin(BaseAdminPlugin):
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list_order_field = None
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def init_request(self, *args, **kwargs):
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return bool(self.list_order_field)
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@property
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def is_list_sortable(self):
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return True
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def result_row(self, __, obj):
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row = __()
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row.update({
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"tagattrs": "order-key=order_{}".format(obj.pk)
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})
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return row
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def result_item(self, item, obj, field_name, row):
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if self.is_list_sortable and field_name == self.list_order_field:
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item.btns.append('<a><i class="fa fa-arrows"></i></a>')
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return item
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def get_context(self, context):
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context['save_order_url'] = self.get_model_url(self.admin_view.model, 'save_order')
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return context
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def block_top_toolbar(self, context, nodes):
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save_node = render_to_string(
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'xadmin/blocks/model_list.top_toolbar.saveorder.html', context_instance=context
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)
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nodes.append(save_node)
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def get_media(self, media):
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if self.is_list_sortable:
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media = media + self.vendor('xadmin.plugin.sortablelist.js')
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return media
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class SaveOrderView(ModelAdminView):
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@csrf_protect_m
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@transaction.atomic
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def post(self, request):
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order_objs = request.POST.getlist("order[]")
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for order_value, pk in enumerate(order_objs, start=1):
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self.save_order(pk, order_value)
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return self.render_response({})
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def save_order(self, pk, order_value):
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obj = self.model.objects.get(pk=pk)
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order_field = self.list_order_field
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is_order_changed = lambda x: getattr(x, order_field) != order_value
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if is_order_changed(obj):
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setattr(obj, order_field, order_value)
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obj.save()
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site.register_plugin(SortableListPlugin, ListAdminView)
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site.register_modelview(r'^save-order/$', SaveOrderView, name='%s_%s_save_order')
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