Class: Rack::MultiPage

Inherits:
Object
  • Object
show all
Defined in:
lib/rack-multipage.rb

Overview

Rack::MultiPage sometimes it’s nice to see the effect of changes on multiple pages at once.

in your development.rb file config.middleware.use Rack::MultiPage, pages: [“/”, “/users/1”, “/login”]

then go to “/multipage” Those pages will be loaded into a series of iframes.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, config = {}) ⇒ MultiPage

Returns a new instance of MultiPage.



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# File 'lib/rack-multipage.rb', line 19

def initialize (app, config = {})
  @app          = app
  @pages_list   = config.fetch :pages,  []
  @route        = config.fetch :route,  "/multipage"
  @height       = config.fetch :height,  "600"
  @width        = config.fetch :width,  "800"
  @percentage   = config.fetch :width,  "50"

end

Instance Attribute Details

#app ⇒ Object

Returns the value of attribute app.



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# File 'lib/rack-multipage.rb', line 13

def app
  @app
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/rack-multipage.rb', line 16

def height
  @height
end

#pages_list ⇒ Object (readonly)

Returns the value of attribute pages_list.



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# File 'lib/rack-multipage.rb', line 14

def pages_list
  @pages_list
end

#route ⇒ Object (readonly)

Returns the value of attribute route.



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# File 'lib/rack-multipage.rb', line 15

def route
  @route
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/rack-multipage.rb', line 17

def width
  @width
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack-multipage.rb', line 29

def call(env)
  if env["REQUEST_PATH"] == route
    [200, {"Content-Type" => "text/html"}, [template(insides)]]
  else
    app.call(env)
  end
end

#css ⇒ Object 



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# File 'lib/rack-multipage.rb', line 41

def css
  <<-CSS
  body {
    background-color: #eee;
    padding: 0; margin:0;
  }

  div.pageboxes {
    height: 100%;
    width: 100p%;
  }

  div.pageboxes .page {
    height: #{height}px;
    width:  #{width}px;
    border: solid 1px black;
    background-color: white;
    top: 0;
    -webkit-transform: scale(#{scale}) ;
    -webkit-transform-origin: top left ;
    -webkit-box-shadow: 1px 1px 5px rgba(100,100,100,0.6)
  }

  div.pageboxes .box{
    width: #{width * scale}px;
    height: #{height * scale}px;
    margin-left: 10px;
    margin-top: 10px;
    float: left;
  }

  div.pageboxes .page iframe{
    height: 100%;
    width: 100%;
    border: solid 1px #eee;
    border-radius: 5px;
  }

  CSS
end

#insides ⇒ Object 



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# File 'lib/rack-multipage.rb', line 118

def insides
  page_boxes
end

#page_boxes ⇒ Object 



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# File 'lib/rack-multipage.rb', line 100

def page_boxes
  output = "<div class='pageboxes'>"
  @pages_list.each {|page|
    output << <<-BOX

    <div class="box">
    <a href="#{page}">#{page}</a>
    <div class="page">
    <iframe src="#{page}"></iframe>
    </div>
    </div>

    BOX
  }
  output << "</div>"
  output
end

#scale ⇒ Object 



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# File 'lib/rack-multipage.rb', line 37

def scale
  (percentage / 100).to_f
end

#template(insides) ⇒ Object 



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# File 'lib/rack-multipage.rb', line 82

def template(insides)
  <<-TEMPLATE
  <html>
  <head>
  <style>
  #{css}
  </style>
  </head>
  <body>

  <div id="insides">
  #{insides}
  </div>
  </body>
  </html>
  TEMPLATE
end