<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>form_for (ActionView::Helpers::FormHelper)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../../../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/action_view/helpers/form_helper.rb, line 261</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">form_for</span>(<span class="ruby-identifier">record_or_name_or_array</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">args</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">proc</span>) <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-value str">"Missing block"</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">block_given?</span> <span class="ruby-identifier">options</span> = <span class="ruby-identifier">args</span>.<span class="ruby-identifier">extract_options!</span> <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">record_or_name_or_array</span> <span class="ruby-keyword kw">when</span> <span class="ruby-constant">String</span>, <span class="ruby-constant">Symbol</span> <span class="ruby-identifier">object_name</span> = <span class="ruby-identifier">record_or_name_or_array</span> <span class="ruby-keyword kw">when</span> <span class="ruby-constant">Array</span> <span class="ruby-identifier">object</span> = <span class="ruby-identifier">record_or_name_or_array</span>.<span class="ruby-identifier">last</span> <span class="ruby-identifier">object_name</span> = <span class="ruby-constant">ActionController</span><span class="ruby-operator">::</span><span class="ruby-constant">RecordIdentifier</span>.<span class="ruby-identifier">singular_class_name</span>(<span class="ruby-identifier">object</span>) <span class="ruby-identifier">apply_form_for_options!</span>(<span class="ruby-identifier">record_or_name_or_array</span>, <span class="ruby-identifier">options</span>) <span class="ruby-identifier">args</span>.<span class="ruby-identifier">unshift</span> <span class="ruby-identifier">object</span> <span class="ruby-keyword kw">else</span> <span class="ruby-identifier">object</span> = <span class="ruby-identifier">record_or_name_or_array</span> <span class="ruby-identifier">object_name</span> = <span class="ruby-constant">ActionController</span><span class="ruby-operator">::</span><span class="ruby-constant">RecordIdentifier</span>.<span class="ruby-identifier">singular_class_name</span>(<span class="ruby-identifier">object</span>) <span class="ruby-identifier">apply_form_for_options!</span>([<span class="ruby-identifier">object</span>], <span class="ruby-identifier">options</span>) <span class="ruby-identifier">args</span>.<span class="ruby-identifier">unshift</span> <span class="ruby-identifier">object</span> <span class="ruby-keyword kw">end</span> <span class="ruby-identifier">concat</span>(<span class="ruby-identifier">form_tag</span>(<span class="ruby-identifier">options</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">:url</span>) <span class="ruby-operator">||</span> {}, <span class="ruby-identifier">options</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">:html</span>) <span class="ruby-operator">||</span> {})) <span class="ruby-identifier">fields_for</span>(<span class="ruby-identifier">object_name</span>, <span class="ruby-operator">*</span>(<span class="ruby-identifier">args</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">options</span>), <span class="ruby-operator">&</span><span class="ruby-identifier">proc</span>) <span class="ruby-identifier">concat</span>(<span class="ruby-value str">'</form>'</span>) <span class="ruby-keyword kw">end</span></pre> </body> </html>