Class: ClosureTemplates

Inherits:
Object
  • Object
show all
Defined in:
lib/closure-templates.rb

Constant Summary collapse

@@files = 
{}
@@template_dir = 
nil
@@output_dir = 
nil
@@tofu = 
nil
@@initialized = 
false
@@recompile = 
nil
@@soyJsSrcOptions = 
nil
@@attr_method = 
nil

Class Method Summary collapse

Class Method Details

.compile ⇒ Object 



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# File 'lib/closure-templates.rb', line 74

def self.compile
  @@files = {}
  files_in_order = []
  sfs_builder = SoyFileSet::Builder.new
  Dir.glob("#{@@template_dir}/**/*.soy") do |file|
    files_in_order << file
    @@files[file] = File.mtime(file).to_i
    sfs_builder.add(java.io.File.new(file))
  end
  if @@files.keys.size == 0
    # no templates
    @@tofu = nil
  else
    sfs = sfs_builder.build

    # ruby
    @@tofu = sfs.compileToJavaObj(true)

    # javascript
    sfs.compileToJsSrc(@@soyJsSrcOptions, nil).each_with_index do |js_out, index|
      file_path = File.join(@@output_dir, files_in_order[index].gsub(/^#{@@template_dir}\//, '').gsub(/soy$/, 'js'))
      File.open(file_path, 'w') do |f|
        f.write(js_out)
      end
    end
  end
end

.config(opts) ⇒ Object 



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# File 'lib/closure-templates.rb', line 22

def self.config(opts)
  @@template_dir    = opts[:template_directory] || 'templates'
  @@output_dir      = opts[:output_directory] || 'closure_js'
  @@recompile       = !opts[:recompile].nil? ? opts[:recompile] : true
  @@attr_method     = opts[:attribute_method] || 'attributes'
  @@soyJsSrcOptions = SoyJsSrcOptions.new

  @@soyJsSrcOptions.setShouldProvideRequireSoyNamespaces(true)
  FileUtils.mkdir(@@output_dir) unless File.directory?(@@output_dir)
  self.compile

  @@initialized = true
end

.convert_for_closure(val) ⇒ Object 



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# File 'lib/closure-templates.rb', line 63

def self.convert_for_closure(val)
  val = val.send(@@attr_method) if val.respond_to?(@@attr_method)
  if val.is_a?(Hash)
    val.keys.each do |k|
      v = val.delete(k)
      val[k.to_s] = v.is_a?(Integer) ? v.to_java(:int) : v
    end
  end
  val
end

.render(template, assigns = {}) ⇒ Object 



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# File 'lib/closure-templates.rb', line 36

def self.render(template, assigns = {})
  if !@@initialized
    raise "ERROR: Not configured!\nConfigure by calling 'ClosureTemplates.config(:template_directory => path_to_templates, :output_directory => path_to_where_js_should_go)' before calling render.\n"
  end
  if @@tofu.nil?
    raise "ERROR: No templates found in #{@@template_dir}"
  end
  if @@recompile
    @@files.keys.each do |f|
      if File.mtime(f).to_i > @@files[f]
        self.compile
        break
      end
    end
  end
  locals = assigns.dup
  locals.keys.each do |key|
    val = locals.delete(key)
    if val.is_a?(Array)
      locals[key.to_s] = val.map { |v| convert_for_closure(v) }
    else
      locals[key.to_s] = convert_for_closure(val)
    end
  end
  @@tofu.render(template, locals, nil)
end