On 3 November 2010 10:49, h0bit <jsantana....@gmail.com> wrote:
> Hello everybody,
>
> I'm working with Google Maps and i want to display a map for an event
> that i have in my aplicaction.
>
> When I clik on the link to view the map the bwroser show me the next
> fail:
>
> NoMethodError in Conclave/events#map
>
> Showing vendor/plugins/tog_conclave/app/views/conclave/events/
> map.html.erb where line #5 raised:
>
> undefined method `to_html' for nil:NilClass
>
> Extracted source (around line #5):
>
> 2: <%= GMap.header %>
> 3: </head>
> 4: <body>
> 5: <%= @map.to_html %>
The error is saying that @map is nil
> 6: <%= @map.div(:width => 550, :height => 350) %>
> 7: </body>
>
>
> This link appear in anothe view like this:
>
> <li>Dirección: <%= link_to @event.venue,
> map_conclave_event_path(@event), :popup => [...@event.venue,
> 'width=600,height=400']
>
> and in the controller i have the next code:
>
> def show
> generate_map
> end
>
> def map
> generate_map
> end
>
> private
>
> def generate_map
> return if !...@event.venue_address || @event.venue_address == ''
> loc = gg.locate @event.venue_address
> �...@map = GMap.new("map_div_id")
> �...@map.control_init(:large_map => true, :map_type => true)
> �...@map.center_zoom_init([loc.latitude, loc.longitude],14)
> marker = GMarker.new([loc.latitude,loc.longitude],
> :title => @event.title,
> :info_window => (@event.venue_address ? loc.address :
> "#{loc.address} *specified address unknown"))
> �...@map.overlay_init(marker)
>
> rescue
> �...@map = nil
Could it be doing this?
You could use ruby-debug to break into your app and see what is
happening. Have a look at the Rails Guide on Debugging.
Colin
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