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module TabHelper
# Navigation link helper
#
# Returns an `li` element with an 'active' class if the supplied
# controller(s) and/or action(s) are currently active. The content of the
# element is the value passed to the block.
#
# options - The options hash used to determine if the element is "active" (default: {})
# :controller - One or more controller names to check (optional).
# :action - One or more action names to check (optional).
# :path - A shorthand path, such as 'dashboard#index', to check (optional).
# :html_options - Extra options to be passed to the list element (optional).
# block - An optional block that will become the contents of the returned
# `li` element.
#
# When both :controller and :action are specified, BOTH must match in order
# to be marked as active. When only one is given, either can match.
#
# Examples
#
# # Assuming we're on TreeController#show
#
# # Controller matches, but action doesn't
# nav_link(controller: [:tree, :refs], action: :edit) { "Hello" }
# # => '<li>Hello</li>'
#
# # Controller matches
# nav_link(controller: [:tree, :refs]) { "Hello" }
# # => '<li class="active">Hello</li>'
#
# # Several paths
# nav_link(path: ['tree#show', 'profile#show']) { "Hello" }
# # => '<li class="active">Hello</li>'
#
# # Shorthand path
# nav_link(path: 'tree#show') { "Hello" }
# # => '<li class="active">Hello</li>'
#
# # Supplying custom options for the list element
# nav_link(controller: :tree, html_options: {class: 'home'}) { "Hello" }
# # => '<li class="home active">Hello</li>'
#
# Returns a list item element String
def nav_link(options = {}, &block)
klass = active_nav_link?(options) ? 'active' : ''
# Add our custom class into the html_options, which may or may not exist
# and which may or may not already have a :class key
o = options.delete(:html_options) || {}
o[:class] ||= ''
o[:class] += ' ' + klass
o[:class].strip!
if block_given?
content_tag(:li, capture(&block), o)
else
content_tag(:li, nil, o)
end
end
def active_nav_link?(options)
if path = options.delete(:path)
unless path.respond_to?(:each)
path = [path]
end
path.any? do |single_path|
current_path?(single_path)
end
else
c = options.delete(:controller)
a = options.delete(:action)
if c && a
# When given both options, make sure BOTH are true
current_controller?(*c) && current_action?(*a)
else
# Otherwise check EITHER option
current_controller?(*c) || current_action?(*a)
end
end
end
def current_path?(path)
c, a, _ = path.split('#')
current_controller?(c) && current_action?(a)
end
def project_tab_class
return "active" if current_page?(controller: "/projects", action: :edit, id: @project)
if ['services', 'hooks', 'deploy_keys', 'project_members', 'protected_branches'].include? controller.controller_name
"active"
end
end
def branches_tab_class
if current_controller?(:protected_branches) ||
current_controller?(:branches) ||
current_page?(namespace_project_repository_path(@project.namespace,
@project))
'active'
end
end
# Use nav_tab for save controller/action but different params
def nav_tab(key, value, &block)
o = {}
o[:class] = ""
if value.nil?
o[:class] << " active" if params[key].blank?
else
o[:class] << " active" if params[key] == value
end
if block_given?
content_tag(:li, capture(&block), o)
else
content_tag(:li, nil, o)
end
end
end
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