CalendarHelper

Has anyone had any luck using the CalendarHelper plugin at
http://wiki.rubyonrails.com/rails/pages/CalendarHelper recently?

I’m scratching my head over the following error when I look at any page
in my application:

NameError in CalendarController#index

undefined local variable or method `date_format’ for
#CalendarController:0x24ccd4c

RAILS_ROOT: script/…/config/…
Application Trace | Framework Trace | Full Trace

#{RAILS_ROOT}/app/controllers/application.rb:8:in `localize’

/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:399:in
call_filters' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:394:incall_filters’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:383:in
before_action' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:365:inperform_action_without_benchmark’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/benchmarking.rb:69:in
perform_action_without_rescue' /usr/local/lib/ruby/1.8/benchmark.rb:293:inmeasure’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/benchmarking.rb:69:in
perform_action_without_rescue' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/rescue.rb:82:inperform_action’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/base.rb:381:in
process_without_filters' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:377:inprocess_without_session_management_support’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/session_management.rb:117:in
process' /usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/dispatcher.rb:38:indispatch’
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/webrick_server.rb:115:in
handle_dispatch' /usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/webrick_server.rb:81:inservice’
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:104:in service' /usr/local/lib/ruby/1.8/webrick/httpserver.rb:65:inrun’
/usr/local/lib/ruby/1.8/webrick/server.rb:173:in start_thread' /usr/local/lib/ruby/1.8/webrick/server.rb:162:instart_thread’
/usr/local/lib/ruby/1.8/webrick/server.rb:95:in start' /usr/local/lib/ruby/1.8/webrick/server.rb:92:instart’
/usr/local/lib/ruby/1.8/webrick/server.rb:23:in start' /usr/local/lib/ruby/1.8/webrick/server.rb:82:instart’
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/webrick_server.rb:67:in
dispatch' /usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/commands/servers/webrick.rb:59 /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:inrequire’
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:in
require' /usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/commands/server.rb:30 /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:inrequire’
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:in
`require’
script/server:3

#{RAILS_ROOT}/app/controllers/application.rb:8:in localize' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:399:incall_filters’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:394:in
call_filters' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:383:inbefore_action’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:365:in
perform_action_without_benchmark' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/benchmarking.rb:69:inperform_action_without_rescue’
/usr/local/lib/ruby/1.8/benchmark.rb:293:in measure' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/benchmarking.rb:69:inperform_action_without_rescue’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/rescue.rb:82:in
perform_action' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/base.rb:381:inprocess_without_filters’
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/filters.rb:377:in
process_without_session_management_support' /usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.3/lib/action_controller/session_management.rb:117:inprocess’
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/dispatcher.rb:38:in
dispatch' /usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/webrick_server.rb:115:inhandle_dispatch’
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/webrick_server.rb:81:in
service' /usr/local/lib/ruby/1.8/webrick/httpserver.rb:104:inservice’
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:65:in run' /usr/local/lib/ruby/1.8/webrick/server.rb:173:instart_thread’
/usr/local/lib/ruby/1.8/webrick/server.rb:162:in start_thread' /usr/local/lib/ruby/1.8/webrick/server.rb:95:instart’
/usr/local/lib/ruby/1.8/webrick/server.rb:92:in start' /usr/local/lib/ruby/1.8/webrick/server.rb:23:instart’
/usr/local/lib/ruby/1.8/webrick/server.rb:82:in start' /usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/webrick_server.rb:67:indispatch’
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/commands/servers/webrick.rb:59
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in
require' /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:inrequire’
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.4/lib/commands/server.rb:30
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in
require' /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:inrequire’
script/server:3

Request

Parameters: None

Show session dump


flash: !map:ActionController::Flash::FlashHash {}

I’m sure this is a bad user on device error, but I would appreciate any
insight.

Thanks,
Steve

Response
Headers: {“cookie”=>[], “Cache-Control”=>“no-cache”}

On Thursday 27 July 2006 20:42, Steve Webb wrote:

Has anyone had any luck using the CalendarHelper plugin at
http://wiki.rubyonrails.com/rails/pages/CalendarHelper recently?

Did you look at an intact version of the wiki page? It was botched and I
have just rolled it back to a previous. correct state.

That said, as the original author of this beast, I have to admit that it
is a bit unwieldy and certainly warrants to be encapsulated in a
plugin.

Michael


Michael S.
mailto:[email protected]
http://www.schuerig.de/michael/

Michael S. wrote:

Did you look at an intact version of the wiki page? It was botched and I
have just rolled it back to a previous. correct state.
I did get it from the wiki page. I’ve replaced that version with the
one currently on the page. Unfortunatly, it doesn’t seem to have
helped. My problem appears to be with date_format getting added to
ActiveRecord:Base. I get the following error message:

NameError in CalendarController#index

undefined local variable or method `date_format’ for
#CalendarController:0x24cc98c

I’m sure this is something stupid, but I’m new to Rails, and therefor
dumb.

That said, as the original author of this beast, I have to admit that it
is a bit unwieldy and certainly warrants to be encapsulated in a
plugin.
I’d be happy to create the plugin encapsulation once I get this working.
It will be a nice little project for me.

Thanks,
Steve

On Thursday 27 July 2006 22:04, Steve Webb wrote:

undefined local variable or method `date_format’ for
#CalendarController:0x24cc98c

Ah, yes, I see. The cause is indeed very simple: date_format is not
defined anywhere. The reason is, that it is really up to your app and
the localization package (if any) you’re using. If you don’t have to
deal with that stuff, just do it like this

class ApplicationController < ActionController::Base
prepend_before_filter :localize

def localize
# determine locale and set other relevant stuff
# …
ActiveRecord::Base.date_format = ‘%Y-%m-%d’ # or ‘%m/%d/Y’ or …
end
end

Michael


Michael S.
mailto:[email protected]
http://www.schuerig.de/michael/

Okay, next silly question. I’m trying to create a very simple
index.rhtml to display a flat calendar. So far I’ve got:

<%= stylesheet_link_tag ‘calendar-system.css’ %>
<%= javascript_include_tag ‘calendar’, ‘calendar-en’, ‘calendar-setup’
%>

Calendar!

<%= calendar 'person', 'birthday', { :class => 'date' }, { :firstDay => 1, :range => [1920, 1990], :step => 1, :showOthers => true } %>

When I hit this page I get the following message:

NoMethodError in Calendar#index

Showing app/views/calendar/index.rhtml where line #6 raised:

undefined method `calendar’ for #<#Class:0x22ddab8:0x22dda90>

Does this mean that my page isn’t finding the the calendar method from
calendar_helper.rb, or am I failing to declare something in my
controller?

Sorry about the newbie questions. Hopefully I will leave this phase
soon.

Thanks,
Steve

On Thursday 27 July 2006 23:40, Steve Webb wrote:

Showing app/views/calendar/index.rhtml where line #6 raised:

undefined method `calendar’ for #<#Class:0x22ddab8:0x22dda90>

Does this mean that my page isn’t finding the the calendar method
from calendar_helper.rb, or am I failing to declare something in my
controller?

Yes. Either in your application controller
(app/controllers/application.rb) or in the individual controllers whose
views use the calendar helper you need to include and declare the new
helper methods

class MyController < ApplicationController

include BoilerPlate::Helpers::ActionHelper
helper BoilerPlate::Helpers::ActionHelper

end

HTH,
Michael


Michael S.
mailto:[email protected]
http://www.schuerig.de/michael/

def localize
# determine locale and set other relevant stuff
# …
ActiveRecord::Base.date_format = ‘%Y-%m-%d’ # or ‘%m/%d/Y’ or …
end
end

That was dumb, even for me! Thanks for the help.

I seem to be making some progress. I’ve modified my controller to:

class CalendarController < ApplicationController

include BoilerPlate::Helpers::ActionHelper
helper BoilerPlate::Helpers::ActionHelper

layout ‘default’

def index
end

end

When I hit the page, it throws an exception. I get the following
message in development.log:

uninitialized constant Helpers
./script/…/config/…/vendor/rails/activesupport/lib/active_support/dependencies.rb:123:in
`const_missing’
script/…/config/…/app/controllers/calendar_controller.rb:3

I assume this means that Helpers isn’t being correctly defined?

Thanks,
Steve

On Friday 28 July 2006 01:45, Steve Webb wrote:

def index
script/…/config/…/app/controllers/calendar_controller.rb:3

I assume this means that Helpers isn’t being correctly defined?

Most likely you need to require the file containing
BoilerPlate::Helpers::ActionHelper.

Michael


Michael S.
mailto:[email protected]
http://www.schuerig.de/michael/

Michael S. wrote:

On Friday 28 July 2006 01:45, Steve Webb wrote:

def index
script/…/config/…/app/controllers/calendar_controller.rb:3

I assume this means that Helpers isn’t being correctly defined?

Most likely you need to require the file containing
BoilerPlate::Helpers::ActionHelper.

Michael


Michael S.
mailto:[email protected]
http://www.schuerig.de/michael/

That was the problem. Thank you so much for your help!

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