X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Factionpack%2Flib%2Faction_view%2Fpartials.rb;fp=vendor%2Frails%2Factionpack%2Flib%2Faction_view%2Fpartials.rb;h=0000000000000000000000000000000000000000;hb=36d9f3351a3b4e8159279445190e2287ffdea86c;hp=9e5e0f786ea96574cb9aec66f7207bfac89f5141;hpb=913cf6054b1d29b5d2f5e620304af7ee77cc1f1f;p=feedcatcher.git
diff --git a/vendor/rails/actionpack/lib/action_view/partials.rb b/vendor/rails/actionpack/lib/action_view/partials.rb
deleted file mode 100644
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--- a/vendor/rails/actionpack/lib/action_view/partials.rb
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-module ActionView
- # There's also a convenience method for rendering sub templates within the current controller that depends on a
- # single object (we call this kind of sub templates for partials). It relies on the fact that partials should
- # follow the naming convention of being prefixed with an underscore -- as to separate them from regular
- # templates that could be rendered on their own.
- #
- # In a template for Advertiser#account:
- #
- # <%= render :partial => "account" %>
- #
- # This would render "advertiser/_account.erb" and pass the instance variable @account in as a local variable
- # +account+ to the template for display.
- #
- # In another template for Advertiser#buy, we could have:
- #
- # <%= render :partial => "account", :locals => { :account => @buyer } %>
- #
- # <% for ad in @advertisements %>
- # <%= render :partial => "ad", :locals => { :ad => ad } %>
- # <% end %>
- #
- # This would first render "advertiser/_account.erb" with @buyer passed in as the local variable +account+, then
- # render "advertiser/_ad.erb" and pass the local variable +ad+ to the template for display.
- #
- # == Rendering a collection of partials
- #
- # The example of partial use describes a familiar pattern where a template needs to iterate over an array and
- # render a sub template for each of the elements. This pattern has been implemented as a single method that
- # accepts an array and renders a partial by the same name as the elements contained within. So the three-lined
- # example in "Using partials" can be rewritten with a single line:
- #
- # <%= render :partial => "ad", :collection => @advertisements %>
- #
- # This will render "advertiser/_ad.erb" and pass the local variable +ad+ to the template for display. An
- # iteration counter will automatically be made available to the template with a name of the form
- # +partial_name_counter+. In the case of the example above, the template would be fed +ad_counter+.
- #
- # NOTE: Due to backwards compatibility concerns, the collection can't be one of hashes. Normally you'd also
- # just keep domain objects, like Active Records, in there.
- #
- # == Rendering shared partials
- #
- # Two controllers can share a set of partials and render them like this:
- #
- # <%= render :partial => "advertisement/ad", :locals => { :ad => @advertisement } %>
- #
- # This will render the partial "advertisement/_ad.erb" regardless of which controller this is being called from.
- #
- # == Rendering objects with the RecordIdentifier
- #
- # Instead of explicitly naming the location of a partial, you can also let the RecordIdentifier do the work if
- # you're following its conventions for RecordIdentifier#partial_path. Examples:
- #
- # # @account is an Account instance, so it uses the RecordIdentifier to replace
- # # <%= render :partial => "accounts/account", :locals => { :account => @buyer } %>
- # <%= render :partial => @account %>
- #
- # # @posts is an array of Post instances, so it uses the RecordIdentifier to replace
- # # <%= render :partial => "posts/post", :collection => @posts %>
- # <%= render :partial => @posts %>
- #
- # == Rendering the default case
- #
- # If you're not going to be using any of the options like collections or layouts, you can also use the short-hand
- # defaults of render to render partials. Examples:
- #
- # # Instead of <%= render :partial => "account" %>
- # <%= render "account" %>
- #
- # # Instead of <%= render :partial => "account", :locals => { :account => @buyer } %>
- # <%= render "account", :account => @buyer %>
- #
- # # @account is an Account instance, so it uses the RecordIdentifier to replace
- # # <%= render :partial => "accounts/account", :locals => { :account => @account } %>
- # <%= render(@account) %>
- #
- # # @posts is an array of Post instances, so it uses the RecordIdentifier to replace
- # # <%= render :partial => "posts/post", :collection => @posts %>
- # <%= render(@posts) %>
- #
- # == Rendering partials with layouts
- #
- # Partials can have their own layouts applied to them. These layouts are different than the ones that are
- # specified globally for the entire action, but they work in a similar fashion. Imagine a list with two types
- # of users:
- #
- # <%# app/views/users/index.html.erb &>
- # Here's the administrator:
- # <%= render :partial => "user", :layout => "administrator", :locals => { :user => administrator } %>
- #
- # Here's the editor:
- # <%= render :partial => "user", :layout => "editor", :locals => { :user => editor } %>
- #
- # <%# app/views/users/_user.html.erb &>
- # Name: <%= user.name %>
- #
- # <%# app/views/users/_administrator.html.erb &>
- #
- # Budget: $<%= user.budget %>
- # <%= yield %>
- #
- #
- # <%# app/views/users/_editor.html.erb &>
- #
- # Deadline: <%= user.deadline %>
- # <%= yield %>
- #
- #
- # ...this will return:
- #
- # Here's the administrator:
- #
- # Budget: $<%= user.budget %>
- # Name: <%= user.name %>
- #
- #
- # Here's the editor:
- #
- # Deadline: <%= user.deadline %>
- # Name: <%= user.name %>
- #
- #
- # You can also apply a layout to a block within any template:
- #
- # <%# app/views/users/_chief.html.erb &>
- # <% render(:layout => "administrator", :locals => { :user => chief }) do %>
- # Title: <%= chief.title %>
- # <% end %>
- #
- # ...this will return:
- #
- #
- # Budget: $<%= user.budget %>
- # Title: <%= chief.name %>
- #
- #
- # As you can see, the :locals hash is shared between both the partial and its layout.
- #
- # If you pass arguments to "yield" then this will be passed to the block. One way to use this is to pass
- # an array to layout and treat it as an enumerable.
- #
- # <%# app/views/users/_user.html.erb &>
- #
- # Budget: $<%= user.budget %>
- # <%= yield user %>
- #
- #
- # <%# app/views/users/index.html.erb &>
- # <% render :layout => @users do |user| %>
- # Title: <%= user.title %>
- # <% end %>
- #
- # This will render the layout for each user and yield to the block, passing the user, each time.
- #
- # You can also yield multiple times in one layout and use block arguments to differentiate the sections.
- #
- # <%# app/views/users/_user.html.erb &>
- #
- # <%= yield user, :header %>
- # Budget: $<%= user.budget %>
- # <%= yield user, :footer %>
- #
- #
- # <%# app/views/users/index.html.erb &>
- # <% render :layout => @users do |user, section| %>
- # <%- case section when :header -%>
- # Title: <%= user.title %>
- # <%- when :footer -%>
- # Deadline: <%= user.deadline %>
- # <%- end -%>
- # <% end %>
- module Partials
- extend ActiveSupport::Memoizable
-
- private
- def render_partial(options = {}) #:nodoc:
- local_assigns = options[:locals] || {}
-
- case partial_path = options[:partial]
- when String, Symbol, NilClass
- if options.has_key?(:collection)
- render_partial_collection(options)
- else
- _pick_partial_template(partial_path).render_partial(self, options[:object], local_assigns)
- end
- when ActionView::Helpers::FormBuilder
- builder_partial_path = partial_path.class.to_s.demodulize.underscore.sub(/_builder$/, '')
- local_assigns.merge!(builder_partial_path.to_sym => partial_path)
- render_partial(:partial => builder_partial_path, :object => options[:object], :locals => local_assigns)
- else
- if Array === partial_path ||
- (defined?(ActiveRecord) &&
- (ActiveRecord::Associations::AssociationCollection === partial_path ||
- ActiveRecord::NamedScope::Scope === partial_path))
- render_partial_collection(options.except(:partial).merge(:collection => partial_path))
- else
- object = partial_path
- render_partial(
- :partial => ActionController::RecordIdentifier.partial_path(object, controller.class.controller_path),
- :object => object,
- :locals => local_assigns
- )
- end
- end
- end
-
- def render_partial_collection(options = {}) #:nodoc:
- return nil if options[:collection].blank?
-
- partial = options[:partial]
- spacer = options[:spacer_template] ? render(:partial => options[:spacer_template]) : ''
- local_assigns = options[:locals] ? options[:locals].clone : {}
- as = options[:as]
-
- index = 0
- options[:collection].map do |object|
- _partial_path ||= partial ||
- ActionController::RecordIdentifier.partial_path(object, controller.class.controller_path)
- template = _pick_partial_template(_partial_path)
- local_assigns[template.counter_name] = index
- result = template.render_partial(self, object, local_assigns.dup, as)
- index += 1
- result
- end.join(spacer)
- end
-
- def _pick_partial_template(partial_path) #:nodoc:
- if partial_path.include?('/')
- path = File.join(File.dirname(partial_path), "_#{File.basename(partial_path)}")
- elsif controller
- path = "#{controller.class.controller_path}/_#{partial_path}"
- else
- path = "_#{partial_path}"
- end
-
- self.view_paths.find_template(path, self.template_format)
- end
- memoize :_pick_partial_template
- end
-end