Re: How to transfer a javascript value into a symbol used in Ruby on Rails

Ryan Bigg
Thu, 03 Feb 2011 19:46:37 -0000

Please ask this question on the rubyonrails-talk group instead. This group is
reserved for discussion about the core of Ruby on Rails (the framework itself)
rather than applications built on it.

--
Ryan Bigg

On Friday, 4 February 2011 at 3:29 AM, mgj wrote:
> Hi,
>
> I am currently using Rails 2.0.2 with Ruby 1.8.7. My Prototoype.js
> version is 1.7(if required). I am basically trying to integrate the
> calendar_date_select plugin in my app.
>
> The link/tutorial I am referring is:
http://ianli.com/site/HowTo/UseCalendarDateSelectRailsPlugin
>
> I am trying to save the date I receive through the date select plugin
> and store in a rails symbol :publishing_date.
>
> I am selecting the date using the calendar_date_select plugin. The
> selected date gets uploaded into the text field, but I am not sure how
> to transfer that returned value onto my publishing_date
> attribute(:publishing_date symbol) of my books table.
>
>
> On manually entering a date I am able to see it reflected in the DB. I
> am getting stuck when I am trying to save it through the plugin.
>
> <%= f.text_field :publishing_date %>
>
> On clicking on the create button I get a null value for the date
> selected via the calendar_date_select plugin. I am able to properly
> insert values for name of book and author.
>
> My code for a new book looks like this:
>
> <%= javascript_include_tag :defaults %>
>
>
> <script src=''/javascripts/calendar_date_select/
> calendar_date_select.js''
type=''text/javascript''>
>
>
> New book
>
> <%= error_messages_for :book %>
>
> <% form_for(@book) do |f| %>
>
> Title
> <%= f.text_field :title %>
>
>
>
> Author
> <%= f.text_field :author %>
>
>
>
>
> Publishing Date
>
>
> <%=calendar_date_select_tag f.text_field :publishing_date %> <!--
> This way of save/assigning doesn''t work -->
>
>
>
>
>
>
>
>
>
> <%= f.submit "Create" %>
>
> <% end %>
>
> <%= link_to ''Back'', books_path %>
>
>
>
>
> Also once I save it perfectly, could you also please tell me how would
> I be able to display this date it in my index.html.erb
>
> My current index.html.erb looks like this:
>
> Listing books
>
>
>
> Title
> Author
> Publishing Date
>
>
> <% for book in @books %>
>
> <%=h book.title %>
> <%=h book.author %>
> <%= book.publishing_date %> <!-- Will this
work? -->
> <%= link_to ''Show'', book %>
> <%= link_to ''Edit'', edit_book_path(book)
%>
> <%= link_to ''Destroy'', book, :confirm =>
''Are you
> sure?'', :method => :delete %>
>
> <% end %>
>
> <%= will_paginate @books %>
>
>
>
> <%= link_to ''New book'', new_book_path %>
>
> An interesting excerpt from the aforementioned tutorial link is given
> below:
>
>  The value of the selected date can be accessed by getting the
> value of the text field named calendar.
>
>  Using the Prototype Javascript Library, you can do the following
> to get the value.
>
>  $F(''calendar'')
>
> The roadblock I am facing is how to call the
`$F(''publishing_date'')`
> in my new.html.erb file using the rails `<%=>` tag and then assign
> that to my :publishing_date symbol which will eventually be use to
> update the publishing_date attribute in my books table.
>
> Thanks for your support.
>
>
>
>
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