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<title>accepts_nested_attributes_for (ActiveRecord::NestedAttributes::ClassMethods)</title>
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<pre><span class="ruby-comment cmt"># File lib/active_record/nested_attributes.rb, line 189</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">accepts_nested_attributes_for</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">attr_names</span>)
<span class="ruby-identifier">options</span> = { <span class="ruby-identifier">:allow_destroy</span> =<span class="ruby-operator">></span> <span class="ruby-keyword kw">false</span> }
<span class="ruby-identifier">options</span>.<span class="ruby-identifier">update</span>(<span class="ruby-identifier">attr_names</span>.<span class="ruby-identifier">extract_options!</span>)
<span class="ruby-identifier">options</span>.<span class="ruby-identifier">assert_valid_keys</span>(<span class="ruby-identifier">:allow_destroy</span>, <span class="ruby-identifier">:reject_if</span>)
<span class="ruby-identifier">attr_names</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">association_name</span><span class="ruby-operator">|</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">reflection</span> = <span class="ruby-identifier">reflect_on_association</span>(<span class="ruby-identifier">association_name</span>)
<span class="ruby-identifier">type</span> = <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">reflection</span>.<span class="ruby-identifier">macro</span>
<span class="ruby-keyword kw">when</span> <span class="ruby-identifier">:has_one</span>, <span class="ruby-identifier">:belongs_to</span>
<span class="ruby-identifier">:one_to_one</span>
<span class="ruby-keyword kw">when</span> <span class="ruby-identifier">:has_many</span>, <span class="ruby-identifier">:has_and_belongs_to_many</span>
<span class="ruby-identifier">:collection</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">reflection</span>.<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:autosave</span>] = <span class="ruby-keyword kw">true</span>
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">reject_new_nested_attributes_procs</span>[<span class="ruby-identifier">association_name</span>.<span class="ruby-identifier">to_sym</span>] = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:reject_if</span>]
<span class="ruby-comment cmt"># def pirate_attributes=(attributes)</span>
<span class="ruby-comment cmt"># assign_nested_attributes_for_one_to_one_association(:pirate, attributes, false)</span>
<span class="ruby-comment cmt"># end</span>
<span class="ruby-identifier">class_eval</span> <span class="ruby-node">%{
def #{association_name}_attributes=(attributes)
assign_nested_attributes_for_#{type}_association(:#{association_name}, attributes, #{options[:allow_destroy]})
end
}</span>, <span class="ruby-keyword kw">__FILE__</span>, <span class="ruby-keyword kw">__LINE__</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">"No association found for name `#{association_name}'. Has it been defined yet?"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
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distrib
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Mandriva
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2010.0
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i586
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media
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contrib-release
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by-pkgid
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d51872cc0e1fdee944d71993f94ac764
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files
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650
