Class: OMF::Web::Rack::WidgetMapper

Inherits:
Base::LObject
  • Object
show all
Defined in:
lib/omf-web/rack/widget_mapper.rb

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ WidgetMapper

Returns a new instance of WidgetMapper.



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# File 'lib/omf-web/rack/widget_mapper.rb', line 14

def initialize(opts = {})
  @opts = opts
  @tabs = {}
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/omf-web/rack/widget_mapper.rb', line 19

def call(env)
  req = ::Rack::Request.new(env)
  sessionID = req.params['sid']
  if sessionID.nil? || sessionID.empty?
    sessionID = "s#{(rand * 10000000).to_i}"
  end
  Thread.current["sessionID"] = sessionID

  body, headers = render_page(req)
  if headers.kind_of? String
    headers = {"Content-Type" => headers, "Access-Control-Allow-Origin" => "*"}
  end
  [200, headers, [body]]
end

#render_page(req) ⇒ Object 



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# File 'lib/omf-web/rack/widget_mapper.rb', line 34

def render_page(req)

  opts = @opts.dup
  opts[:prefix] = req.script_name
  opts[:request] = req
  opts[:path] = req.path_info

  p = req.path_info
  p = '/' if p.empty?
  widget_name = p.split('/')[1]
  unless widget_name
    return render_widget_list(opts)
  end
  widget_name = opts[:widget_name] = widget_name.to_sym
  begin
    widget = OMF::Web::Widget.create_widget(widget_name)
    page = OMF::Web::Theme::WidgetPage.new(widget, opts)
    return [page.to_html, 'text/html']
  rescue Exception => ex
    warn "Request for unknown widget '#{widget_name}':(#{ex})"
    opts[:flash] = {:alert => %{Unknonw widget '#{widget_name}'.}}
    [OMF::Web::Theme::WidgetPage.new(nil, opts).to_html, 'text/html']
  end
end

#render_widget_list(popts) ⇒ Object 



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# File 'lib/omf-web/rack/widget_mapper.rb', line 59

def render_widget_list(popts)
  wlist = OMF::Web::Widget.registered_widgets
  [wlist.to_json, 'application/json']
end