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Diffstat (limited to 'guides/source')
| -rw-r--r-- | guides/source/form_helpers.textile | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/guides/source/form_helpers.textile b/guides/source/form_helpers.textile index 8106de6f9d..1851aceff8 100644 --- a/guides/source/form_helpers.textile +++ b/guides/source/form_helpers.textile @@ -419,6 +419,18 @@ TIP: The second argument to +options_for_select+ must be exactly equal to the de WARNING: when +:inlude_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: + +<erb> +<%= options_for_select([['Lisbon', 1, :'data-size' => '2.8 million'], ['Madrid', 2, :'data-size' => '3.2 million']], 2) %> + +output: + +<option value="1" data-size="2.8 million">Lisbon</option> +<option value="2" selected="selected" data-size="3.2 million">Madrid</option> +... +</erb> + h4. Select Boxes for Dealing with Models In most cases form controls will be tied to a specific database model and as you might expect Rails provides helpers tailored for that purpose. Consistent with other form helpers, when dealing with models you drop the +_tag+ suffix from +select_tag+: |