diff options
Diffstat (limited to 'railties/guides/source/form_helpers.textile')
| -rw-r--r-- | railties/guides/source/form_helpers.textile | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/railties/guides/source/form_helpers.textile b/railties/guides/source/form_helpers.textile index a63245acec..9051ede9dd 100644 --- a/railties/guides/source/form_helpers.textile +++ b/railties/guides/source/form_helpers.textile @@ -545,7 +545,7 @@ NOTE: In many cases the built-in date pickers are clumsy as they do not aid the h4. Individual Components -Occasionally you need to display just a single date component such as a year or a month. Rails provides a series of helpers for this, one for each component +select_year+, +select_month+, +select_day+, +select_hour+, +select_minute+, +select_second+. These helpers are fairly straightforward. By default they will generate an input field named after the time component (for example "year" for +select_year+, "month" for +select_month+ etc.) although this can be overriden with the +:field_name+ option. The +:prefix+ option works in the same way that it does for +select_date+ and +select_time+ and has the same default value. +Occasionally you need to display just a single date component such as a year or a month. Rails provides a series of helpers for this, one for each component +select_year+, +select_month+, +select_day+, +select_hour+, +select_minute+, +select_second+. These helpers are fairly straightforward. By default they will generate an input field named after the time component (for example "year" for +select_year+, "month" for +select_month+ etc.) although this can be overridden with the +:field_name+ option. The +:prefix+ option works in the same way that it does for +select_date+ and +select_time+ and has the same default value. The first parameter specifies which value should be selected and can either be an instance of a Date, Time or DateTime, in which case the relevant component will be extracted, or a numerical value. For example @@ -589,7 +589,7 @@ def upload end </ruby> -Once a file has been uploaded, there are a multitude of potential tasks, ranging from where to store the files (on disk, Amazon S3, etc) and associating them with models to resizing image files and generating thumbnails. The intricacies of this are beyond the scope of this guide, but there are several plugins designed to assist with these. Two of the better known ones are "Attachment-Fu":https://github.com/technoweenie/attachment_fu and "Paperclip":http://www.thoughtbot.com/projects/paperclip. +Once a file has been uploaded, there are a multitude of potential tasks, ranging from where to store the files (on disk, Amazon S3, etc) and associating them with models to resizing image files and generating thumbnails. The intricacies of this are beyond the scope of this guide, but there are several libraries designed to assist with these. Two of the better known ones are "CarrierWave":https://github.com/jnicklas/carrierwave and "Paperclip":http://www.thoughtbot.com/projects/paperclip. NOTE: If the user has not selected a file the corresponding parameter will be an empty string. @@ -712,7 +712,7 @@ You might want to render a form with a set of edit fields for each of a person's <erb> <%= form_for @person do |person_form| %> <%= person_form.text_field :name %> - <% for address in @person.addresses %> + <% @person.addresses.each do |address| %> <%= person_form.fields_for address, :index => address do |address_form|%> <%= address_form.text_field :city %> <% end %> @@ -777,7 +777,7 @@ If you need to post some data to an external resource it is still great to build Sometimes when you submit data to an external resource, like payment gateway, fields you can use in your form are limited by an external API. So you may want not to generate an +authenticity_token+ hidden field at all. For doing this just pass +false+ to the +:authenticity_token+ option: <erb> -<%= form_tag 'http://farfar.away/form', :authenticity_token => 'external_token') do %> +<%= form_tag 'http://farfar.away/form', :authenticity_token => false) do %> Form contents <% end %> </erb> |