How to pass variable to a widget?

[Mike Pence]

What a newb question, I know, but how do I pass a collection of items in a variable to a widget in a render widget call?

[Nick Sutterer]

Either

render_widget :name, :whatever => "yay!"

Or, if you need the information in both render- and trigger-state:

has_widgets do |root|
root << widget(:name, :whatever => ...)

;-)

[Mike Pence]

render_widget(:local_projects, :display, :projects => @local_projects) worked.

[Nick Sutterer]

Be advised that the options you're passing to the widget are only
available when rendering the widget in the page ("render state") - if
you need to process this data when an event is triggered ("trigger
state") the options hash is no longer present as there's a request
inbetween. Use the #has_widgets trick I showed you. What are you
building, bro?

[Mike Pence]

I have been building crowdfunding sites (http://haydukelabs.com), and we're completely re-doing the presentation layer to support Twitter bootstrap, among other things. So, I decided to break the entire UI up into widgets, to have an entirely component-oriented rails app, while we are at it. I am plenty sick of monolithic views and I really want to feel good about the modularity of the UI, and be able to get server-side events and stuff for free with Apotomo.

BTW, have you seen Vaadin? http://demo.vaadin.com/sampler

Best,

Mike

[Mike Pence]

Ok, so you add the variable by symbol and use an instance variable, and it shows up in the options hash for every call. Works for me.

[Mike Pence]

Guess I am still confused. When you have a widget within another widget, you can't (or shouldn't) do the magic naming in the has_widgets block, because you don't want to tightly bind a widget in the tree of rendered widgets to a top-level domain name.

So, you would think, this would work:

https://gist.github.com/4313683

In that example, the options hash is empty when rendering the :project_1 widget.

[Nick Sutterer]

Where does

@projects = options[:projects]

come from? Can you show me the top-level #render_widget call in the
controller view?

[Ahmad Musaffa]

I tried with you suggestion in a view:

 

  render_widget :name, :whatever => "yay!"

but it throws error
{:whatever=>"yay!"} is not a symbol

[Ahmad Musaffa]

Oh I have figured it out:

 render_widget :name, :display, :whatever => "yay!"

then
 def display(args)

  .....

 end

[Nick Sutterer]

This definitely needs some redesign, the apotomo API is gettin' old! Thanks!

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