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Highlight erroneous fields by adding a class to them

Browse source 
The default rails scheme for highlighting errors is to wrap the
field in a div, but that changes the structure of the page and can
change the meaning of CSS rules applied to the fields.

As an alternative we now apply a class to the fields, and use that
in the CSS to apply a highlight.
This commit is contained in:
Tom Hughes 2014-01-15 21:09:54 +00:00
parent 0764bb40b2
commit 933b091330
4 changed files with 23 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

10
app/assets/stylesheets/common.css.scss
View file

@ -1725,12 +1725,6 @@ header .search_form {
/* Rules for highlighting fields with rails validation errors */
.field_with_errors {
padding: 2px;
background-color: #ff7070;
display: inline-block;
}
.formError {
display: inline-block;
padding: 5px 10px;
@ -1843,6 +1837,10 @@ textarea {
padding: 2px 5px;
margin: 0;
width: 200px;
&.field_with_errors {
border: 2px solid #ff7070;
}
}
textarea {

9
config/initializers/field_error.rb Normal file
View file

@ -0,0 +1,9 @@
ActionView::Base.field_error_proc = Proc.new do |html_tag, instance|
class_attr_index = html_tag.index 'class="'
if class_attr_index
html_tag.insert class_attr_index+7, 'field_with_errors '
else
html_tag.insert html_tag.index(/\/?>/), ' class="field_with_errors"'
end
end

16
test/functional/user_controller_test.rb
View file

@ -252,7 +252,7 @@ class UserControllerTest < ActionController::TestCase
assert_response :success
assert_template 'new'
assert_select "form > fieldset > div.form-row > div.field_with_errors > input#user_email"
assert_select "form > fieldset > div.form-row > input.field_with_errors#user_email"
end
def test_user_create_submit_duplicate_email_uppercase
@ -267,7 +267,7 @@ class UserControllerTest < ActionController::TestCase
assert_response :success
assert_template 'new'
assert_select "form > fieldset > div.form-row > div.field_with_errors > input#user_email"
assert_select "form > fieldset > div.form-row > input.field_with_errors#user_email"
end
def test_user_create_submit_duplicate_name
@ -282,7 +282,7 @@ class UserControllerTest < ActionController::TestCase
assert_response :success
assert_template 'new'
assert_select "form > fieldset > div.form-row > div.field_with_errors > input#user_display_name"
assert_select "form > fieldset > div.form-row > input.field_with_errors#user_display_name"
end
def test_user_create_submit_duplicate_name_uppercase
@ -297,7 +297,7 @@ class UserControllerTest < ActionController::TestCase
assert_response :success
assert_template 'new'
assert_select "form > fieldset > div.form-row > div.field_with_errors > input#user_display_name"
assert_select "form > fieldset > div.form-row > input.field_with_errors#user_display_name"
end
def test_user_save_referer_params
@ -478,7 +478,7 @@ class UserControllerTest < ActionController::TestCase
assert_template :account
assert_select ".notice", false
assert_select "div#errorExplanation"
assert_select "form#accountForm > fieldset > div.form-row > div.field_with_errors > input#user_display_name"
assert_select "form#accountForm > fieldset > div.form-row > input.field_with_errors#user_display_name"
# Changing name to one that exists should fail, regardless of case
new_attributes = user.attributes.dup.merge(:display_name => users(:public_user).display_name.upcase)
@ -487,7 +487,7 @@ class UserControllerTest < ActionController::TestCase
assert_template :account
assert_select ".notice", false
assert_select "div#errorExplanation"
assert_select "form#accountForm > fieldset > div.form-row > div.field_with_errors > input#user_display_name"
assert_select "form#accountForm > fieldset > div.form-row > input.field_with_errors#user_display_name"
# Changing name to one that doesn't exist should work
new_attributes = user.attributes.dup.merge(:display_name => "new tester")
@ -508,7 +508,7 @@ class UserControllerTest < ActionController::TestCase
assert_template :account
assert_select ".notice", false
assert_select "div#errorExplanation"
assert_select "form#accountForm > fieldset > div.form-row > div.field_with_errors > input#user_new_email"
assert_select "form#accountForm > fieldset > div.form-row > input.field_with_errors#user_new_email"
# Changing email to one that exists should fail, regardless of case
user.new_email = users(:public_user).email.upcase
@ -517,7 +517,7 @@ class UserControllerTest < ActionController::TestCase
assert_template :account
assert_select ".notice", false
assert_select "div#errorExplanation"
assert_select "form#accountForm > fieldset > div.form-row > div.field_with_errors > input#user_new_email"
assert_select "form#accountForm > fieldset > div.form-row > input.field_with_errors#user_new_email"
# Changing email to one that doesn't exist should work
user.new_email = "new_tester@example.com"

4
test/integration/user_creation_test.rb
View file

@ -29,7 +29,7 @@ class UserCreationTest < ActionDispatch::IntegrationTest
assert_response :success
assert_template 'user/new'
assert_equal response.headers['Content-Language'][0..1], localer.to_s[0..1] unless localer == :root
assert_select "form > fieldset > div.form-row > div.field_with_errors > input#user_email"
assert_select "form > fieldset > div.form-row > input.field_with_errors#user_email"
assert_no_missing_translations
end
end
@ -47,7 +47,7 @@ class UserCreationTest < ActionDispatch::IntegrationTest
end
assert_response :success
assert_template 'user/new'
assert_select "form > fieldset > div.form-row > div.field_with_errors > input#user_display_name"
assert_select "form > fieldset > div.form-row > input.field_with_errors#user_display_name"
assert_no_missing_translations
end
end