Class: Kwartz::RailsHandler

Inherits:
ErubyHandler show all
Defined in:
lib/kwartz/binding/rails.rb

Overview

directive handler for Rails

ex.

converter = Converter.new(pdata, decls, :handler=>RailsDirectiveHandler.new)

directive examples.

## text_field, password_field
<input type="text" size="10" maxsize="20" kw:d="text_field 'user', 'name'">
 => <%= text_field 'user', 'name', :size=>10, :maxsize=>20 %>
<input type="text" name="user[name]" kw:d="text_field :size=>10">
 => <%= text_field "user", "name", :size=>10 %>
<input type="text" id="user_name" size="10" kw:d="text_field">
 => <%= text_field "user", "name", :size=>10 %>

## link_to, link_to_remote
<a href="#" kw:d="link_to :action=>'list'">Show list</a>
 => <%= link_to 'Show list', :action=>'list' %>

## start_link_tag, start_remote_link_tag
<a href="#" kw:d="start_link_tag :action=>'list'">Show list</a>
 => <%= start_link_tag 'action'=>'list' %>Show list</a>

## mail_to
<a href="mail:[email protected]" kw:d="mail_to">admin</a>
 => <%= mail_to "[email protected]", "admin" %>

## form_tag
<form action="show" kw:d="form_tag :id=>2"> ... </form>
 => <%= form_tag :action=>"show", :id=>2 %> ... </form>

## submit_tag
<input type="submit" value="OK" kw:d="submit_tag">
 => <%= submit_tag "OK" %>

## text_area
<textarea cols="30" rows="3" id="user_desc" kw:d="text_area"></textarea>
 => <%= text_area "user", "desc", :cols=>30, :rows=>3 %>
<textarea cols="30" rows="3" name="user[desc]" kw:d="text_area"></textarea>
 => <%= text_area "user", "desc", :cols=>30, :rows=>3 %>

## hidden_field
<input type="hidden" id="user_id" kw:d="hidden_field">
 => <%= hidden_field "user", "id" %>
<input type="hidden" name="user[id]" kw:d="hidden_field">
 => <%= hidden_field "user", "id" %>

## check_box
<input type="checkbox" id="user_chk1" kw:d="check_box">
 => <%= check_box "user", "chk1" %>
<input type="checkbox" name="user[chk2]" kw:d="check_box">
 => <%= check_box "user", "chk2" %>

## radio_button
<input type="radio" id="user_radio" value="val1" kw:d="radio_button">
 => <%= radio_button "user", "radio", "val1" %>
<input type="radio" name="user[radio]" value="val2" kw:d="radio_button">
 => <%= radio_button "user", "radio", "val2" %>

## select, collection_select, country_select, time_zone_select, date_select, datetime_select
<select name="user[birth]" kw:d="date_select :start_year=>1970">
  <option value="2000">2000</option>
</select>
 => <% date_select "user", "birth", :start_year=>1970 %>

## image_tag, link_image_to, link_to_image
<img src="foo.gif" alt="text" width="20" heigth="10" kw:d="image_tag :size=>'30x40'">
 => <%= image_tag "foo.gif", :alt=>"text", :size=>'30x40' %>

Constant Summary

Constants inherited from RubyHandler

Kwartz::RubyHandler::RUBY_DIRECTIVE_FORMAT, Kwartz::RubyHandler::RUBY_DIRECTIVE_PATTERN, Kwartz::RubyHandler::RUBY_MAPPING_PATTERN

Instance Attribute Summary

Attributes inherited from Handler

#even, #filename, #odd

Instance Method Summary collapse

Methods inherited from RubyHandler

#directive_format, #directive_pattern, #mapping_pattern

Methods included from RubyExpressionParser

#parse_expr_str, #parse_expr_str!

Methods inherited from Handler

#_elem_info_table, #_import_element_info_from_handler, #apply_rulesets, #extract, get_class, #get_element_info, #get_ruleset, #handle_directives, #initialize, register_class, #register_element_info

Methods included from Expander

#expand_element_info, #expand_statement, #expand_statements, #get_element_info, #get_ruleset

Methods included from Assertion

assert

Methods included from HandlerHelper

#_last_stmt_kind, #add_foreach_stmts, #add_native_code, #add_native_expr_with_default, #build_print_args, #build_print_expr_stmt, #build_print_stmt, #create_text_print_stmt, #error_if_empty_tag, #error_when_last_stmt_is_not_if, #etag_stmt, #expand_attr_vars, #expand_attr_vars_in_native_expr, #expand_attr_vars_in_native_stmt, #stag_stmt, #wrap_content_with_native_stmt, #wrap_element_with_native_stmt

Methods included from ConvertErrorHelper

#convert_error

Constructor Details

This class inherits a constructor from Kwartz::Handler

Instance Method Details

#handle(directive, elem_info, stmt_list) ⇒ Object

handle directives for rails.

everytime return true whenever directive name is unknown.



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# File 'lib/kwartz/binding/rails.rb', line 96

def handle(directive, elem_info, stmt_list)
  ret = super
  return ret if ret

  d_name = directive.name
  d_arg  = directive.arg
  d_str  = directive.str
  e = elem_info
  attr_info = e.attr_info

  ## parse 'name="user[name]"' or 'id="user_name"'
  case d_name.to_s
  when /(_|\A)radio_button\z/
    add_directive_object_and_method_and_value(d_arg, attr_info)
  when /_field\z/, /_area\z/, /_box\z/, /(_|\A)select\z/, 'input'
    add_directive_object_and_method(d_arg, attr_info)
  end

  ## replace whole element, or only start tag
  replace_elem = d_name.to_s !~ /\Astart_/

  case d_name

  when :text_field, :password_field, :hidden_field
    #add_directive_object_and_method(d_arg, attr_info)
    add_directive_integer_option(d_arg, 'size', attr_info['size'])
    add_directive_integer_option(d_arg, 'maxsize', attr_info['maxsize'])

  when :file_field
    #add_directive_object_and_method(d_arg, attr_info)
    add_directive_integer_option(d_arg, 'size', attr_info['size'])

  when :link_to, :link_to_remote, :link_to_unless_current
    add_directive_content_as_arg(d_arg, elem_info.cont_stmts)

  when :anchor, :anchor_remote
    replace_elem = false

  when :mail_to
    add_directive_content_as_arg(d_arg, elem_info.cont_stmts)
    add_directive_attr_as_arg(d_arg, attr_info, 'href')
    d_arg.sub!(/\A\'mailto:/, "'")

  when :form_tag, :start_form_tag
    add_directive_attr_as_option(d_arg, attr_info, 'action')
    replace_elem = false

  when :text_area
    #add_directive_object_and_method(d_arg, attr_info)
    add_directive_integer_option(d_arg, 'cols', attr_info['cols'])
    add_directive_integer_option(d_arg, 'rows', attr_info['rows'])

  when :submit_tag
    add_directive_attr_as_arg(d_arg, attr_info, 'value')

  when :submit_to_remote
    add_directive_attr_as_arg(d_arg, attr_info, 'value')
    add_directive_attr_as_arg(d_arg, attr_info, 'name')

  when :radio_button
    #add_directive_object_and_method_and_value(d_arg, attr_info)

  when :check_box
    #add_directive_object_and_method(d_arg, attr_info)

  when :select, :collection_select, :country_select, :time_zone_select, :date_select, :datetime_select
    #add_directive_object_and_method(d_arg, attr_info)

  when :image_tag, :link_image_to, :link_to_image
    add_directive_attr_as_arg(d_arg, attr_info, 'src')
    add_directive_str_option(d_arg, 'alt', attr_info['alt'])

  else

  end #case

  ##
  print_directive(elem_info, stmt_list, d_name, d_arg, replace_elem)

  return true      # everytime return true

end