diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/date_helper.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/date_helper.rb | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/actionview/lib/action_view/helpers/date_helper.rb b/actionview/lib/action_view/helpers/date_helper.rb index 620e1e9f21..ae993f9aa2 100644 --- a/actionview/lib/action_view/helpers/date_helper.rb +++ b/actionview/lib/action_view/helpers/date_helper.rb @@ -205,6 +205,7 @@ module ActionView # * <tt>:end_year</tt> - Set the end year for the year select. Default is <tt>Date.today.year + 5</tt> if # you are creating new record. While editing existing record, <tt>:end_year</tt> defaults to # the current selected year plus 5. + # * <tt>:year_format</tt> - Set format of years for year select. Lambda should be passed. # * <tt>:discard_day</tt> - Set to true if you don't want to show a day select. This includes the day # as a hidden field instead of showing a select field. Also note that this implicitly sets the day to be the # first of the given month in order to not create invalid dates like 31 February. @@ -275,6 +276,9 @@ module ActionView # # Generates a date select with custom prompts. # date_select("article", "written_on", prompt: { day: 'Select day', month: 'Select month', year: 'Select year' }) # + # # Generates a date select with custom year format. + # date_select("article", "written_on", year_format: ->(year) { "Heisei #{year - 1988}" }) + # # The selects are prepared for multi-parameter assignment to an Active Record object. # # Note: If the day is not included as an option but the month is, the day will be set to the 1st to ensure that @@ -850,7 +854,7 @@ module ActionView raise ArgumentError, "There are too many years options to be built. Are you sure you haven't mistyped something? You can provide the :max_years_allowed parameter." end - build_options_and_select(:year, val, options) + build_select(:year, build_year_options(val, options)) end end @@ -933,6 +937,21 @@ module ActionView end end + # Looks up year names by number. + # + # year_name(1998) # => 1998 + # + # If the <tt>:year_format</tt> option is passed: + # + # year_name(1998) # => "Heisei 10" + def year_name(number) + if year_format_lambda = @options[:year_format] + year_format_lambda.call(number) + else + number + end + end + def date_order @date_order ||= @options[:order] || translated_date_order end @@ -995,6 +1014,34 @@ module ActionView (select_options.join("\n") + "\n").html_safe end + # Build select option HTML for year. + # If <tt>year_format</tt> option is not passed + # build_year_options(1998, start: 1998, end: 2000) + # => "<option value="1998" selected="selected">1998</option> + # <option value="1999">1999</option> + # <option value="2000">2000</option>" + # + # If <tt>year_format</tt> option is passed + # build_year_options(1998, start: 1998, end: 2000, year_format: ->year { "Heisei #{ year - 1988 }" }) + # => "<option value="1998" selected="selected">Heisei 10</option> + # <option value="1999">Heisei 11</option> + # <option value="2000">Heisei 12</option>" + def build_year_options(selected, options = {}) + start = options.delete(:start) + stop = options.delete(:end) + step = options.delete(:step) + + select_options = [] + start.step(stop, step) do |value| + tag_options = { value: value } + tag_options[:selected] = "selected" if selected == value + text = year_name(value) + select_options << content_tag("option".freeze, text, tag_options) + end + + (select_options.join("\n") + "\n").html_safe + end + # Builds select tag from date type and HTML select options. # build_select(:month, "<option value="1">January</option>...") # => "<select id="post_written_on_2i" name="post[written_on(2i)]"> |