similar to: How to ajax highlight a flash

Hi, I would like to be able to dynamically (without reloading the page) change the values from one listbox when a user select items from another listbox. I have a model ''Sector'' which has_many ''levels'' (and of cours, ''Level'' beyong_to ''sector''). I want to show the user two listboxes with the sectors and levels. But

I''ve been trying to use the ez_where plugin to create a dynamic finder. The structure looks somehing like this.. === controller === def list attribute_filter = params[:filter] @filter = Caboose::EZ::Condition.new :table do attribute <=> attribute_filter if attribute_filter end # ... do the find with the @filter # end === view === .... <%= link_to

Hello everyone, I''ve got a table of data that looks like the following: ... <tr> <td>Field 1</td> <td>Field 2</td> <td><%= link_to "Info about Field 1", ... %></td> <td><%= link_to "Info about Field 2", ... %></td> </tr> I''d like the user to be able to click on "Info about

I don''t even know what its called really, so its hard to search for. Here''s an example. They do this on MOG.com: There''s one text field visible. You type in a band name. Another text field appears. It auto completes album names based on the band name you chose in the first field. What is this type of thing called? Where is some source code I could look at? any

Hi all. Trying to figure out the best way to implement a drop-down text-entry box. Users will select a payment method from a select menu. If they click credit card, a text box drops down to allow them to enter a cc number. if they pick another option, they''re routed elsewhere when they submit the form. Ajax? Java? other ideas? -- Posted via http://www.ruby-forum.com/.

hi, i''ve just started using script.aculo.us visual effects, lots of fun. i was wondering what the best and most efficient way would be of achieving something along the lines of fade anything technique (FAT, http://www.axentric.com/aside/fat/) whereby an element''s background fades away from one color to the element''s native background-color. (for example, you get

Hello, how can I check if a destroy was successful? Is the object only frozen if deleted or do I have to do an additional find to see if there is a record left? What happens if an after_destroy callback returns false? Is there always a rollback? Markus

Consider this problem. I have an Item that has_many Features I want to find all Items with a Feature name of ''foo''. Normally you would do this.. @items = Item.find(:all, :conditions=>["features.name = ?", ''foo''], :include=>:features) This all works fine and dandy except for this problem. If you do this... <% for item in @items %>

What is the best way to create a drop down where the viewable text in a concatenation of 2 or more columns? For instance, I hane a lookup table with these columns. Model FOO columns: id , name, phone In my drop select tag, I''d like the user to see: "name1 phone1" "name2 phone2" etc.. I know I can do this using find_by_sql . .. But, isn''t there a more

a has many b''s b has many c''s results = A.find params[:id], :include => :b How do you also make sure the b''s include the c''s? Thanks for your help. Thank You, Ben Johnson E: bjohnson@contuitive.com O: 800-341-6826 M: 817-229-4258 -------------- next part -------------- An HTML attachment was scrubbed... URL:

This forum has been a great resource for me. It would be great if i can search the forum before posting any question, as i''m sure someone has already posted that question before. The search function has been disabled for quite sometime now. I''ve already emailed the administrator but haven''t got any response. any idea on when this would be enabled ? Thanks, VASU.

Hi, Just get started with Rails and I''m trying to read ahead and find out whether Active Record supports auto-creation of database tables for you? Is this supported, or is the concept that you write your own database DDL to do this? Thanks -- Posted via http://www.ruby-forum.com/.

I am having a problem with ruby''s sort_by function. I want to sort a list of parent model objects based on the children of the parent models. Normally you might say sortedList = modelList.sort_by { |model| model[''someAttribute''] } What I am tring to do is sortedList = modelList.sort_by{ |model| model.children.find(:first, order=>"price desc" ).price}

I''m trying desperately to get visuall effects callbacks working in rjs templates to no avail What I''m trying to do is fade an image, change the div with the image to a new image, and then fade the new image back in. How would I go about this in RJS Here''s a simple line from my rjs that I can''t get to work. It is not using callbacks so the

hi! how can i add all the values from one tables field? i mean, i have a table with the entries of a booking (amount), and at the end, i want to have the total. i tried with different loops making a method in the model, but nothing. im doing something wrong, but i dont know what. please could somebody help me? ty!! -- Posted via http://www.ruby-forum.com/.

I have a little web app where we need to paginate collections of items. I''m trying to sort the collection and then pass it, sorted, to a Paginator, and still be able to paginate through the collection, across several pages, with the new sort order. The only thing I''m doing differently from the regular scaffolding approach is this: @order_pages = Paginator.new(self,

Is it possible to use the calculate methods (sum, etc.) on attr_accessor attributes? Ie: Class Item < ActiveRecord::Base attr_accessor :total_cost def total_cost @total_cost = self.cost_unit * self.amount end calling Item.sum(:total_cost) or Item.sum(''total_cost'') both return a unknown column ''total_cost'' mysql error. I thought that active

Hello. I was wondering if anybody could point me in the right direction of creating a cross-fade effect for Ajax.Updater. If you have an element that gets replaced by a new one with Ajax.Updater, how can we blend one into the other? Many thanks. Tench

All, I have a form with the following field interaction rules. Given checkbox A, text field B text field C If checkbox A is checked then make text field C equal to the value of text field B and disable field C. If checkbox A is unchecked then enable field C. In order to display a form where I''m manipulating an already existing object, I have something like this in my RHTML template

Hi! Wondering if anyone can tell me what''s wrong with my code? I''m trying to use the onChange event of a select list to update multiple divs... Agile Web Development with Rails (p. 403) suggests using ":complete => eval(request.responseText) instead of :update" I''ve attempted the following test code: # in the view <select name="plist",