Added FormTagHelper that provides a number of methods for creating form tags that doesn't rely on conventions with an object assigned to the template like FormHelper does. With the FormTagHelper, you provide the names and values yourself.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@687 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Added FormTagHelper that provides a number of methods for creating form tags that doesn't rely on conventions with an object assigned to the template like FormHelper does. With the FormTagHelper, you provide the names and values yourself.
+
 * Added Iran and Irak to the countries list used by FormOptions#country_select and FormOptions#country_options_for_select
 
 * Renamed link_to_image to link_image_to (since thats what it actually does) -- kept alias for the old method name

actionpack/lib/action_view/helpers/form_tag_helper.rb

@@ -0,0 +1,62 @@
+require 'cgi'
+require File.dirname(__FILE__) + '/tag_helper'
+
+module ActionView
+  module Helpers
+    # Provides a number of methods for creating form tags that doesn't rely on conventions with an object assigned to the template like
+    # FormHelper does. With the FormTagHelper, you provide the names and values yourself.
+    module FormTagHelper
+      # Starts a form tag that points the action to an url configured with <tt>url_for_options</tt> just like 
+      # ActionController::Base#url_for. The method for the form defaults to POST.
+      #
+      # Options:
+      # * <tt>:multipart</tt> - If set to true, the enctype is set to "multipart/form-data".
+      def form_tag(url_for_options = {}, options = {}, *parameters_for_url)
+        html_options = { "method" => "post" }.merge(options)
+        
+        if html_options[:multipart]
+          html_options["enctype"] = "multipart/form-data"
+          html_options.delete(:multipart)
+        end
+        
+        html_options["action"] = url_for(url_for_options, *parameters_for_url)
+        
+        tag("form", html_options, true)
+      end
+
+      alias_method :start_form_tag, :form_tag
+
+      # Outputs "</form>"
+      def end_form_tag
+        "</form>"
+      end
+
+      def text_field_tag(name, value = nil, options = {})
+        tag("input", {"type" => "text", "name" => name, "id" => name, "value" => value}.update(options))
+      end
+
+      def password_field_tag(name = "password", value = nil, options = {})
+        tag("input", {"type" => "password", "name" => name, "id" => name, "value" => value}.update(options))
+      end
+
+      def text_area_tag(name, content = nil, options = {})
+        if options[:size]
+          options["cols"], options["rows"] = options[:size].split("x")
+          options.delete(:size)
+        end
+        
+        content_tag("textarea", content, { "name" => name, "id" => name }.update(options))
+      end
+
+      def check_box_tag(name, value = "1", checked = false, options = {})
+        html_options = {"type" => "checkbox", "name" => name, "id" => name, "value" => value}.update(options)
+        html_options["checked"] = "checked" if checked
+        tag("input", html_options)
+      end
+
+      def submit_tag(value = "Save changes", options = {})
+        tag("input", {"type" => "submit", "name" => "submit", "value" => value}.update(options))
+      end
+    end
+  end
+end

actionpack/lib/action_view/helpers/tag_helper.rb

@@ -22,32 +22,6 @@ module ActionView
         "<#{name}#{tag_options(options)}>#{content}</#{name}>"
       end
 
-      # Starts a form tag that points the action to an url configured with <tt>url_for_options</tt> just like 
-      # ActionController::Base#url_for. The method for the form defaults to POST.
-      #
-      # Options:
-      # * <tt>:multipart</tt> - If set to true, the enctype is set to "multipart/form-data".
-      def form_tag(url_for_options = {}, options = {}, *parameters_for_url)
-        html_options = { "method" => "post" }.merge(options)
-        
-        if html_options[:multipart]
-          html_options["enctype"] = "multipart/form-data"
-          html_options.delete(:multipart)
-        end
-        
-        html_options["action"] = url_for(url_for_options, *parameters_for_url)
-        
-        tag("form", html_options, true)
-      end
-      
-      alias_method :start_form_tag, :form_tag
-
-      # Outputs "</form>"
-      def end_form_tag
-        "</form>"
-      end
-
-
       private
         def tag_options(options)
           unless options.empty?

actionpack/test/template/form_tag_helper_test.rb

@@ -0,0 +1,19 @@
+require 'test/unit'
+require File.dirname(__FILE__) + '/../../lib/action_view/helpers/form_tag_helper'
+
+class TagHelperTest < Test::Unit::TestCase
+  include ActionView::Helpers::TagHelper
+  include ActionView::Helpers::FormTagHelper
+
+  MethodToTag = {
+    %(text_field_tag("title", "Hello!")) => %(<input id="title" name="title" type="text" value="Hello!" />),
+    %(text_field_tag("title", "Hello!", "class" => "admin")) => %(<input class="admin" id="title" name="title" type="text" value="Hello!" />),
+    %(password_field_tag) => %(<input id="password" name="password" type="password" value="" />),
+    %(text_area_tag("body", "hello world", :size => "20x40")) => %(<textarea cols="20" id="body" name="body" rows="40">hello world</textarea>),
+    %(check_box_tag("admin")) => %(<input id="admin" name="admin" type="checkbox" value="1" />),
+  }
+
+  def test_tags
+    MethodToTag.each { |method, tag| assert_equal(eval(method), tag) }
+  end
+end