Module: PokeJs::ViewHelpers

Defined in:
lib/poke_js/view_helpers.rb

Instance Method Summary collapse

Instance Method Details

#define_poke_js_params(template = @poke_js_template) ⇒ Object 



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# File 'lib/poke_js/view_helpers.rb', line 25

def define_poke_js_params(template=@poke_js_template)
  controller, action = extract_template(template)

  params  =  { controller: controller, action: action, method: request.method, path: request.env['PATH_INFO'], format: request.format.symbol }
  if self.respond_to? :add_params
    params.reverse_merge! add_params
  end
  javascript = params.to_json
  if block_given?
    if yield
      javascript = "$.extend(#{yield}, #{javascript});"
    end
  end
  raw javascript
end

#head_poke ⇒ Object 



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# File 'lib/poke_js/view_helpers.rb', line 41

def head_poke
  raw "#{source_poke}\n#{poke}"
end

#poke(template = @poke_js_template, format = formats.first) ⇒ Object 



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# File 'lib/poke_js/view_helpers.rb', line 45

def poke(template=@poke_js_template, format=formats.first)
  controller, action = extract_template(template)
  poke_lambda = -> do
    if format == :html
      with_format(:js) do
        javascript_tag do
          raw %Q/
              POKE.create_namespace('#{poke_js_params}');
              #{poke_js_params} = #{ define_poke_js_params do
                if lookup_context.template_exists? "#{controller}/#{action}_params"
                  render(template: "#{controller}/#{action}_params")
                end
              end };
              #{
              if @source_poke
                %Q/$(function() { POKE.exec_all(#{poke_js_params}); });/
              else
                %Q/
                  POKE.define('POKE', {
                  params: #{poke_js_params},
                      init: function() { POKE.exec_all(POKE.params); },
                  });
                  $(POKE.init);
                /
              end
              }
              /
        end
      end
    elsif format == :js
      content_for :head do
        javascript_tag do
          raw "$(function(){#{render template: "#{controller}/#{action}", formats: [:js], layout: "layouts/application"}});"
        end
      end
    end
  end

  if template != @poke_js_template
    with_template(template) { poke_lambda.call }
  else
    poke_lambda.call
  end
end

#poke_js_params(template = @poke_js_template) ⇒ Object 



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# File 'lib/poke_js/view_helpers.rb', line 20

def poke_js_params(template=@poke_js_template)
  controller, action = extract_template(template)
  raw "APP.#{controller.gsub("/", ".")}.#{request.format.symbol}.#{action}_params"
end

#source_poke ⇒ Object 



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# File 'lib/poke_js/view_helpers.rb', line 90

def source_poke
  source_template = flash[:source_template]
  if source_template
    @source_poke = true
    result = poke source_template
    @source_poke = false
    result
  end
end

#with_format(format, &block) ⇒ Object

stackoverflow.com/questions/339130/how-do-i-render-a-partial-of-a-different-format-in-rails



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# File 'lib/poke_js/view_helpers.rb', line 4

def with_format(format, &block)
  old_formats = formats
  self.formats = [format]
  result = block.call
  self.formats = old_formats
  result
end

#with_template(template) ⇒ Object 



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# File 'lib/poke_js/view_helpers.rb', line 12

def with_template(template)
  old_template = @poke_js_template
  @poke_js_template = template
  result = yield
  @poke_js_template = old_template
  result
end