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Diffstat (limited to 'guides/source/form_helpers.md')
| -rw-r--r-- | guides/source/form_helpers.md | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/guides/source/form_helpers.md b/guides/source/form_helpers.md index 048fe190e8..4ce67df93a 100644 --- a/guides/source/form_helpers.md +++ b/guides/source/form_helpers.md @@ -164,7 +164,7 @@ make it easier for users to click the inputs. Other form controls worth mentioning are textareas, password fields, hidden fields, search fields, telephone fields, date fields, time fields, -color fields, datetime fields, datetime-local fields, month fields, week fields, +color fields, datetime-local fields, month fields, week fields, URL fields, email fields, number fields and range fields: ```erb @@ -274,10 +274,12 @@ There are a few things to note here: The resulting HTML is: ```html -<form accept-charset="UTF-8" action="/articles" method="post" class="nifty_form"> - <input id="article_title" name="article[title]" type="text" /> - <textarea id="article_body" name="article[body]" cols="60" rows="12"></textarea> - <input name="commit" type="submit" value="Create" /> +<form class="nifty_form" id="new_article" action="/articles" accept-charset="UTF-8" method="post"> + <input name="utf8" type="hidden" value="✓" /> + <input type="hidden" name="authenticity_token" value="NRkFyRWxdYNfUg7vYxLOp2SLf93lvnl+QwDWorR42Dp6yZXPhHEb6arhDOIWcqGit8jfnrPwL781/xlrzj63TA==" /> + <input type="text" name="article[title]" id="article_title" /> + <textarea name="article[body]" id="article_body" cols="60" rows="12"></textarea> + <input type="submit" name="commit" value="Create" data-disable-with="Create" /> </form> ``` @@ -299,9 +301,11 @@ You can create a similar binding without actually creating `<form>` tags with th which produces the following output: ```html -<form accept-charset="UTF-8" action="/people" class="new_person" id="new_person" method="post"> - <input id="person_name" name="person[name]" type="text" /> - <input id="contact_detail_phone_number" name="contact_detail[phone_number]" type="text" /> +<form class="new_person" id="new_person" action="/people" accept-charset="UTF-8" method="post"> + <input name="utf8" type="hidden" value="✓" /> + <input type="hidden" name="authenticity_token" value="bL13x72pldyDD8bgtkjKQakJCpd4A8JdXGbfksxBDHdf1uC0kCMqe2tvVdUYfidJt0fj3ihC4NxiVHv8GVYxJA==" /> + <input type="text" name="person[name]" id="person_name" /> + <input type="text" name="contact_detail[phone_number]" id="contact_detail_phone_number" /> </form> ``` @@ -438,8 +442,6 @@ output: Whenever Rails sees that the internal value of an option being generated matches this value, it will add the `selected` attribute to that option. -TIP: The second argument to `options_for_select` must be exactly equal to the desired internal value. In particular if the value is the integer `2` you cannot pass `"2"` to `options_for_select` - you must pass `2`. Be aware of values extracted from the `params` hash as they are all strings. - WARNING: When `:include_blank` or `:prompt` are not present, `:include_blank` is forced true if the select attribute `required` is true, display `size` is one and `multiple` is not true. You can add arbitrary attributes to the options using hashes: @@ -533,7 +535,7 @@ To leverage time zone support in Rails, you have to ask your users what time zon <%= time_zone_select(:person, :time_zone) %> ``` -There is also `time_zone_options_for_select` helper for a more manual (therefore more customizable) way of doing this. Read the API documentation to learn about the possible arguments for these two methods. +There is also `time_zone_options_for_select` helper for a more manual (therefore more customizable) way of doing this. Read the [API documentation](http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsHelper.html#method-i-time_zone_options_for_select) to learn about the possible arguments for these two methods. Rails _used_ to have a `country_select` helper for choosing countries, but this has been extracted to the [country_select plugin](https://github.com/stefanpenner/country_select). When using this, be aware that the exclusion or inclusion of certain names from the list can be somewhat controversial (and was the reason this functionality was extracted from Rails). @@ -879,7 +881,7 @@ Active Record provides model level support via the `accepts_nested_attributes_fo ```ruby class Person < ApplicationRecord - has_many :addresses + has_many :addresses, inverse_of: :person accepts_nested_attributes_for :addresses end |