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require 'table_builder_helper/column'
require 'table_builder_helper/custom_links'
require 'table_builder_helper/url'
# table_builder_2
# A Rails helper that constructs an HTML table from a collection of objects. It
# receives the collection and an array of columns that get transformed into
# `<td>`s. A column of checkboxes can be added to the left side of the table
# for multiple selection. Columns are sortable by default, but sorting can be
# disabled either at the table level or at the column level. An optional
# `links` argument takes a set of symbols corresponding to controller actions
# that should be inserted in a gear menu next to each row in the table. That
# menu will also be populated with links defined in `collection#action_links`,
# a list of `Link` objects defined in a decorator for the given object.
#
# Depends on `params` and `current_referential`.
#
# Example:
# table_builder_2(
# @companies,
# [
# TableBuilderHelper::Column.new(
# name: 'ID Codif',
# attribute: Proc.new { |n| n.try(:objectid).try(:local_id) },
# sortable: false
# ),
# TableBuilderHelper::Column.new(
# key: :name,
# attribute: 'name'
# ),
# TableBuilderHelper::Column.new(
# key: :phone,
# attribute: 'phone'
# ),
# TableBuilderHelper::Column.new(
# key: :email,
# attribute: 'email'
# ),
# TableBuilderHelper::Column.new(
# key: :url,
# attribute: 'url'
# ),
# ],
# links: [:show, :edit],
# cls: 'table has-search'
# )
module TableBuilderHelper
# TODO: rename this after migration from `table_builder`
def table_builder_2(
# An `ActiveRecord::Relation`, wrapped in a decorator to provide a list of
# `Link` objects via an `#action_links` method
collection,
# An array of `TableBuilderHelper::Column`s
columns,
# When false, no columns will be sortable
sortable: true,
# When true, adds a column of checkboxes to the left side of the table
selectable: false,
# A set of controller actions that will be added as links to the top of the
# gear menu
links: [],
# A CSS class to apply to the <table>
cls: ''
)
content_tag :table,
thead(collection, columns, sortable, selectable, links.any?) +
tbody(collection, columns, selectable, links),
class: cls
end
private
def thead(collection, columns, sortable, selectable, has_links)
content_tag :thead do
content_tag :tr do
hcont = []
if selectable
hcont << content_tag(:th, checkbox(id_name: '0', value: 'all'))
end
columns.each do |column|
hcont << content_tag(:th, build_column_header(
column,
sortable,
collection.model,
params,
params[:sort],
params[:direction]
))
end
# Inserts a blank column for the gear menu
hcont << content_tag(:th, '') if has_links
hcont.join.html_safe
end
end
end
def tbody(collection, columns, selectable, links)
content_tag :tbody do
collection.map do |item|
content_tag :tr do
bcont = []
if selectable
bcont << content_tag(
:td,
checkbox(id_name: item.try(:id), value: item.try(:id))
)
end
columns.each do |column|
value = column.value(item)
if column_is_linkable?(column)
# Build a link to the `item`
polymorph_url = URL.polymorphic_url_parts(item)
bcont << content_tag(:td, link_to(value, polymorph_url), title: 'Voir')
else
bcont << content_tag(:td, value)
end
end
if links.any?
bcont << content_tag(
:td,
build_links(item, links),
class: 'actions'
)
end
bcont.join.html_safe
end
end.join.html_safe
end
end
def build_links(item, links)
trigger = content_tag(
:div,
class: 'btn dropdown-toggle',
data: { toggle: 'dropdown' }
) do
content_tag :span, '', class: 'fa fa-cog'
end
menu = content_tag :ul, class: 'dropdown-menu' do
(
CustomLinks.new(item, pundit_user, links).links +
item.action_links.select { |link| link.is_a?(Link) }
).map do |link|
gear_menu_link(link)
end.join.html_safe
end
content_tag :div, trigger + menu, class: 'btn-group'
end
def build_column_header(
column,
table_is_sortable,
collection_model,
params,
sort_on,
sort_direction
)
if !table_is_sortable
return column.header_label(collection_model)
end
return column.name if !column.sortable
direction =
if column.key.to_s == sort_on && sort_direction == 'desc'
'asc'
else
'desc'
end
link_to(params.merge({direction: direction, sort: column.key})) do
arrow_up = content_tag(
:span,
'',
class: "fa fa-sort-asc #{direction == 'desc' ? 'active' : ''}"
)
arrow_down = content_tag(
:span,
'',
class: "fa fa-sort-desc #{direction == 'asc' ? 'active' : ''}"
)
arrow_icons = content_tag :span, arrow_up + arrow_down, class: 'orderers'
(
column.header_label(collection_model) +
arrow_icons
).html_safe
end
end
def checkbox(id_name:, value:)
content_tag :div, '', class: 'checkbox' do
check_box_tag(id_name, value).concat(
content_tag(:label, '', for: id_name)
)
end
end
def column_is_linkable?(column)
column.attribute == 'name' || column.attribute == 'comment'
end
def gear_menu_link(link)
content_tag(
:li,
link_to(
link.href,
method: link.method,
data: link.data
) do
link.content
end,
class: ('delete-action' if link.method == :delete)
)
end
end
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