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-rw-r--r--app/helpers/application_helper.rb3
-rw-r--r--app/helpers/link_helper.rb49
2 files changed, 51 insertions, 1 deletions
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 90e649a..6de5e1b 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -40,8 +40,9 @@ module ApplicationHelper
end
end
+ # fairly strict sanitation for flash messages
def format_flash(msg)
- html_escape(msg).gsub('[b]', '<b>').gsub('[/b]', '</b>').html_safe
+ sanitize(msg, tags: %w(em strong b br), attributes: [])
end
end
diff --git a/app/helpers/link_helper.rb b/app/helpers/link_helper.rb
new file mode 100644
index 0000000..55e392b
--- /dev/null
+++ b/app/helpers/link_helper.rb
@@ -0,0 +1,49 @@
+module LinkHelper
+
+ #
+ # markup for bootstrap button
+ #
+ # takes same arguments as link_to and adds a 'btn' class.
+ # In addition:
+ # * the name will be translated if it is a symbol
+ # * html_options[:type] will be converted into a btn-type class
+ #
+ # example:
+ # btn :home, home_path, type: [:large, :primary]
+ #
+ def btn(*args, &block)
+ html_options = extract_html_options!(args, &block)
+ type = Array(html_options.delete(:type))
+ type.map! {|t| "btn-#{t}"}
+ html_options[:class] = concat_classes(html_options[:class], 'btn', type)
+ args[0] = t(args[0]) if args[0].is_a?(Symbol)
+ link_to *args, html_options, &block
+ end
+
+ def destroy_btn(*args, &block)
+ html_options = extract_html_options!(args, &block)
+ confirmation = t "#{controller_symbol}.confirm.destroy.are_you_sure",
+ cascade: true
+ html_options.merge! method: :delete, confirm: confirmation
+ btn *args, html_options, &block
+ end
+
+ #
+ # concat_classes will combine classes in a fairly flexible way.
+ # it can handle nil, arrays, space separated strings
+ # it returns a space separated string of classes.
+ def concat_classes(*classes)
+ classes.compact!
+ classes.map {|c| c.respond_to?(:split) ? c.split(' ') : c }
+ classes.flatten!
+ classes.join ' '
+ end
+
+ def extract_html_options!(args)
+ if args.count > 2 or args.count > 1 && block_given?
+ args.extract_options!
+ else
+ {}
+ end
+ end
+end