Class: DashcodeConverter::Project

Inherits:
Object
  • Object
show all
Defined in:
lib/dashcode-converter/project.rb

Constant Summary collapse

PROJECT_TEMPLATE = 
<<-EOF
  name: <%=name%>
  version: 1.0.0
  notice: src/NOTICE
  type: application
  export: <%=name%>
  output folder: build

  external:
    - name: coherent
      path: ext/coherent
      repository: https://github.com/jeffwatkins/coherent.git

  include:
    - coherent
  
  source:
    - src/index.html
    - src/<%=name%>.jsnib
EOF

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project_bundle, output_folder) ⇒ Project

Returns a new instance of Project.



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# File 'lib/dashcode-converter/project.rb', line 31

def initialize(project_bundle, output_folder)
  @project_bundle= File.expand_path(project_bundle)
  @name= File.basename(@project_bundle, ".*")
  @namespace= @name
  @output_folder= File.expand_path(File.join(output_folder, @name))
  @nib_folder= "#{@name}.#{BUNDLE_EXTENSION}"
  @nib_output_folder= File.join(@output_folder, "src", @nib_folder)
  
  @images_output_folder= File.join(@output_folder, "src", @nib_folder, "images")
  
  @parts_spec_path= File.join(@project_bundle, "project", "safari", "Parts", "setup.js")
  @datasources_spec_path= File.join(@project_bundle, "project", "Parts", "datasources.js")
  @css_path= File.join(@project_bundle, "project", "safari", "main.css")
  @markup_path= File.join(@project_bundle, "project", "index.html")
  @scripts= Scripts.new(File.join(@project_bundle, "project", "safari"))
  
  @controller_name= "#{@name.capitalize}Controller"
  
  FileUtils.mkdir_p(@output_folder)
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/dashcode-converter/project.rb', line 8

def name
  @name
end

#namespace ⇒ Object

Returns the value of attribute namespace.



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# File 'lib/dashcode-converter/project.rb', line 8

def namespace
  @namespace
end

Instance Method Details

#controller ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 81

def controller
  return @controller if @controller
  @controller= Controller.new(@name, @namespace, @scripts)
end

#convert ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 149

def convert
  fixup_html
  
  FileUtils.mkdir_p(@nib_output_folder)
  FileUtils.mkdir_p(@output_folder)
  FileUtils.mkdir_p(@images_output_folder)

  Dir.chdir(@output_folder) do
    File.open("#{@name}.jsproj", "w") { |project_file|
      project_file << ERB.new(PROJECT_TEMPLATE.remove_indent).result(binding)
    }
  end
  
  Dir.chdir(File.join(@output_folder, "src")) do
    File.open("index.html", "w") { |html|
      html <<%{
        <!DOCTYPE HTML>
        <html>
          <head>
            <link rel="stylesheet" href="#{@name}.css" type="text/css" media="screen" charset="utf-8">
            <script src="#{@name}.js" type="text/javascript" charset="utf-8"></script>
          </head>
  
          <body>
          </body>
          <script type="text/javascript" charset="utf-8">
            distil.onready(function(){

              var controller= new #{@name}.#{@controller_name}({
                                  nibName: '#{@name}'
                                });
              controller.view();
  
            });
  
          </script>
        </html>
      }.remove_indent
    }
  end
  
  Dir.chdir(@nib_output_folder) do
    File.open("#{@controller_name}.js", "w") { |controller_file|
      controller_file << controller.declaration
    }
    File.open("#{@name}.js", "w") { |nib_file|
      nib_file << nib.declaration
    }
    File.open("#{@name}.css", "w") { |css_file|
      css_file << css
    }
    File.open("#{@name}.html", "w") { |html_file|
      html_file << doc.css("body > *:first-child")[0].serialize
    }
  end
  
  Dir.chdir(@output_folder) do
    system 'distil'
  end
  
end

#css ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 95

def css
  text= File.read(@css_path)
  dirname= File.dirname(@css_path)
  text.gsub!(CSS_IMAGE_URL_REGEX) { |match|
    image_file= File.join(dirname, $1)

    if (!File.exists?(image_file))
      match
    else
      new_image_file= File.join(@images_output_folder, File.basename(image_file))
      FileUtils.mkdir_p(File.dirname(new_image_file))
      FileUtils.cp image_file, new_image_file
      "url(\"#{relative_path(new_image_file)}\")"
    end
  }
  text
end

#doc ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 74

def doc
  return @doc if @doc
  
  html= File.read(@markup_path)
  @doc= Nokogiri::HTML(html)
end

#fixup_html ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 113

def fixup_html
  base= doc.css("base")
  base= base ? base.attribute("href") : nil
  
  content= doc.css("body > *:first-child")[0]
  content.traverse { |node|
    next unless node.attributes
    node.attributes.each { |attr, value|
      if 0==attr.index("apple-")
        node.remove_attribute(attr)
      end
    }
  }
  
  dirname= File.dirname(@markup_path)
  dirname= File.join(dirname, base) if base
  
  content.css("[src]").each { |node|
    image_file= File.join(dirname, node.attribute('src'))
    new_image_file= File.join(@images_output_folder, File.basename(image_file))
    FileUtils.mkdir_p(File.dirname(new_image_file))
    FileUtils.cp image_file, new_image_file
    node["src"]= relative_path(new_image_file)
  }
  
  nib.views.each { |view|
    # Use a copy of the view's items, because the iterator isn't stable if
    # items are removed while iterating.
    items= view.items.clone
    items.each { |item|
      html= doc.css(item.name)[0]
      item.fixup_html(html)
    }
  }
end

#nib ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 86

def nib
  return @nib if @nib
  
  @nib= Nib::Nib.new(@name, controller)
  @nib.add_view_from_path(@parts_spec_path)
  @nib.add_datasources_from_path(@datasources_spec_path)
  @nib
end

#path_relative_to_folder(path, folder) ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 52

def path_relative_to_folder(path, folder)
  path= File.expand_path(path)
  outputFolder= File.expand_path(folder).to_s
  
  # Remove leading slash and split into parts
  file_parts= path.slice(1..-1).split('/');
  output_parts= outputFolder.slice(1..-1).split('/');

  common_prefix_length= 0

  file_parts.each_index { |i|
    common_prefix_length= i
    break if file_parts[i]!=output_parts[i]
  }

  return '../'*(output_parts.length-common_prefix_length) + file_parts[common_prefix_length..-1].join('/')
end

#relative_path(path) ⇒ Object 



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# File 'lib/dashcode-converter/project.rb', line 70

def relative_path(path)
  path_relative_to_folder(path, @nib_output_folder)
end