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A: In config/initializers/trestle.rb
set config.favicon = "favicon.ico"
A: In config/locales/en.yml
set en.admin.<model>.titles.index
(see issue). For instance if you model is called AuthorityCard
:
# config/locales/en.yml
en:
admin:
authority_cards:
breadcrumbs:
index: "Authority Cards"
titles:
index: "List of Authority cards"
table:
headers:
auth: "Authority"
Similarly, to rename the header_text
of a column in a resource admin table, set the translation for en.admin.<model>.table.headers.<column field name>
(see code).
A: You can remove default actions (e.g. create
, destroy
) from a resource like so:
Trestle.resource(:articles) do
remove_action :destroy
This will result in the delete button no longer being present on the index or show pages.
Note that if you want to remove the "New resource" button to prevent resources from being created, you should remove both :new
and :create
:
Trestle.resource(:articles) do
remove_action :new, :create
A: If you need to create a button that brings you to the resource in the "frontend" using the Rails routes you can use the follow (given model
is your admin instance):
# /app/admin/model_admin.rb
unless model.new_record?
concat content_tag(:hr)
concat link_to("Preview", Rails.application.routes.url_helpers.model_path(model), class: "btn btn-primary", target: :_blank)
end
A: To add separate admin_resources
create separate admin files and pass the model (Product in the example) as the model:
parameter:
# app/admin/test_product_admin.rb
Trestle.resource(:test_product, model: Product) do
...
end
# app/admin/real_product_admin.rb
Trestle.resource(:real_product, model: Product) do
...
end
Source: Issue 370
A: When you add a table do ... end
into your admin resource then the automatically generated columns will disappear. To get back to those default columns you can use the following code and copy the resulting text from your Rails log:
# /app/admin/<your model>_admin.rb
Trestle.resource(:<your model>) do
controller do
def index
print_table
end
def print_table
Rails.logger.silence do
puts "table do"
admin.default_table_attributes.map.with_index do |attribute, index|
case attribute.type
when :association
puts " column #{attribute.association_name.inspect}, sort: false"
else
puts " column #{attribute.name.inspect}#{", link: true" if index.zero?}#{", align: :center" if [:datetime, :boolean].include?(attribute.type)}"
end
end
puts " actions"
puts "end"
end
end
end
end