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Diffstat (limited to 'guides/source/form_helpers.md')
| -rw-r--r-- | guides/source/form_helpers.md | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/guides/source/form_helpers.md b/guides/source/form_helpers.md index 90004c611b..84a8d695cb 100644 --- a/guides/source/form_helpers.md +++ b/guides/source/form_helpers.md @@ -211,9 +211,8 @@ IMPORTANT: The search, telephone, date, time, color, datetime, datetime-local, month, week, URL, email, number and range inputs are HTML5 controls. If you require your app to have a consistent experience in older browsers, you will need an HTML5 polyfill (provided by CSS and/or JavaScript). -There is definitely [no shortage of solutions for this](https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills), although a couple of popular tools at the moment are -[Modernizr](http://www.modernizr.com/) and [yepnope](http://yepnopejs.com/), -which provide a simple way to add functionality based on the presence of +There is definitely [no shortage of solutions for this](https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills), although a popular tool at the moment is +[Modernizr](http://www.modernizr.com/), which provides a simple way to add functionality based on the presence of detected HTML5 features. TIP: If you're using password input fields (for any purpose), you might want to configure your application to prevent those parameters from being logged. You can learn about this in the [Security Guide](security.html#logging). @@ -241,7 +240,7 @@ Upon form submission the value entered by the user will be stored in `params[:pe WARNING: You must pass the name of an instance variable, i.e. `:person` or `"person"`, not an actual instance of your model object. -Rails provides helpers for displaying the validation errors associated with a model object. These are covered in detail by the [Active Record Validations](./active_record_validations.html#displaying-validation-errors-in-views) guide. +Rails provides helpers for displaying the validation errors associated with a model object. These are covered in detail by the [Active Record Validations](active_record_validations.html#displaying-validation-errors-in-views) guide. ### Binding a Form to an Object @@ -282,7 +281,7 @@ The resulting HTML is: </form> ``` -The name passed to `form_for` controls the key used in `params` to access the form's values. Here the name is `article` and so all the inputs have names of the form `article[attribute_name]`. Accordingly, in the `create` action `params[:article]` will be a hash with keys `:title` and `:body`. You can read more about the significance of input names in the parameter_names section. +The name passed to `form_for` controls the key used in `params` to access the form's values. Here the name is `article` and so all the inputs have names of the form `article[attribute_name]`. Accordingly, in the `create` action `params[:article]` will be a hash with keys `:title` and `:body`. You can read more about the significance of input names in the [parameter_names section](#understanding-parameter-naming-conventions). The helper methods called on the form builder are identical to the model object helpers except that it is not necessary to specify which object is being edited since this is already managed by the form builder. @@ -291,8 +290,8 @@ You can create a similar binding without actually creating `<form>` tags with th ```erb <%= form_for @person, url: {action: "create"} do |person_form| %> <%= person_form.text_field :name %> - <%= fields_for @person.contact_detail do |contact_details_form| %> - <%= contact_details_form.text_field :phone_number %> + <%= fields_for @person.contact_detail do |contact_detail_form| %> + <%= contact_detail_form.text_field :phone_number %> <% end %> <% end %> ``` @@ -441,7 +440,7 @@ Whenever Rails sees that the internal value of an option being generated matches 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. +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: @@ -729,7 +728,7 @@ The two basic structures are arrays and hashes. Hashes mirror the syntax used fo the `params` hash will contain -```erb +```ruby {'person' => {'name' => 'Henry'}} ``` |