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Contents
.card.bg-light
.card-body
%h2= current_page_title
%p
In addition to the
%a{href: resultset_processings_path}
%code with_paginated_resultset
callback
there is callback
%code with_resultset
\.
%p
Just like
%code with_paginated_resultset
it can be defined as a block and as a symbol referring to a method in the controller.
%p
The difference is that the value submitted to the method or the callback is not a list of
all records but an ActiveRelation object which can be used to obtain all records.
In the example on this page the list of all records is only obtained when button
%code Show IDs of records throughout all pages
is clicked.
%p
Normally
%code with_resultset
is used
for some kind of background processing.
The results of callback are rendered on page only for the sake of the demonstration.
= show_code
= form_tag(resultset_processings2_index_path, method: :get) do
= dump_filter_parameters_as_hidden_fields(@tasks_grid)
= hidden_field :process_selected_tasks, 1
%button#process.btn.btn-primary{type: 'submit'} Show IDs of records throughout all pages
.example
= render 'grid'
-unless controller.selected_tasks.blank?
.row
.col-md-12
.card.bg-light
.card-body
= controller.selected_tasks.size
records on all pages:
= controller.selected_tasks.map(&:id).to_sentence
Version data entries
5 entries across 5 versions & 1 rubygems