Class: CML::Converters::JSAwesome

Inherits:
Object
  • Object
show all
Defined in:
lib/cml/converters/jsawesome.rb

Instance Method Summary collapse

Constructor Details

#initialize(json) ⇒ JSAwesome

Returns a new instance of JSAwesome.



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# File 'lib/cml/converters/jsawesome.rb', line 4

def initialize(json)
  parsed = JSON.parse(json)
  @json = parsed[0] || []
  @labels = parsed[1] || {}
  @tags = []
end

Instance Method Details

#convert ⇒ Object 



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# File 'lib/cml/converters/jsawesome.rb', line 11

def convert
  @json.map do |k,v|
    if k.is_a?(Array)
      (k << v).map {|k,v| process(k,v)}
    else
      process(k,v)
    end
  end.join("\n") + meta
end

#label(k) ⇒ Object 



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# File 'lib/cml/converters/jsawesome.rb', line 30

def label(k)
  k = k.to_s.sub(/^[_#*^~]?\+?/,'')
  l = @labels[k]
  label = l.is_a?(Hash) ? l["label"] : l if l
  label ||= k.capitalize.gsub(/_/,' ')
end

#meta ⇒ Object 



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# File 'lib/cml/converters/jsawesome.rb', line 21

def meta
  (@labels["gold"] || {}).select do |k,v|
    next if k =~ /^_/
    !@tags.map {|t| t.name }.include?(k)
  end.map do |k,v|
    tag("meta", k, {:meta => true})
  end.compact.join("\n")
end

#process(k, v) ⇒ Object 



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# File 'lib/cml/converters/jsawesome.rb', line 68

def process(k,v)
  select_default = @labels['{}'] || "Choose Category"
  cml = case v
  #a select tag or group of radios/checkboxes
  when Array
    if(k =~ /^[^_]/)
      if $~[0] == "*"
        parent = "radios"
        child = "radio"
      elsif $~[0] == "^"
        parent = "checkboxes"
        child = "checkbox"
      else
        parent = "select"
        child = "option"
      end
      tag(parent, k, {:children => v.map { |c| [child, c, {:nested => child}]}, :parent => parent })
    #Multiple hidden fields...
    elsif(k =~ /^_/)
      v.map { |c| tag("hidden", c, :parent => true)}.join("\n")
    end
  else
    if(k =~ /^#/)
      tag("textarea", k, {"default" => v, :parent => true})
    elsif(k =~ /^_/)
      tag("hidden", k, {"value" => v, :parent => true})
    elsif(k =~ /^\^/)
      tag("checkbox", k, {"default" => v, :parent => true})
    else
      tag("text", k, {"default" => v, :parent => true})
    end
  end
end

#tag(tag, val, opts = {}) ⇒ Object 



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# File 'lib/cml/converters/jsawesome.rb', line 37

def tag(tag, val, opts = {})
  val = Array(val)
  return nil unless val[0]
  parts = val[0].split("|")
  key = parts[0].to_s.sub(/^[_#*^~]?\+?/,'')
  label = label(parts[0])
  parts << key if label != key.capitalize.gsub(/_/,' ') || opts[:meta]
  attrs = opts[:meta] ? [] : ["label=\"#{label}\""]
  attrs << "#{opts[:nested] ? "value" : "name"}=\"#{parts[1]}\"" if parts[1]
  attrs << "checked=\"true\"" if val[1]
  attrs << "validates=\"required\"" if @labels[key] && @labels[key]["required"]
  opts.reject {|k,v| v.to_s.strip.length == 0 || k.is_a?(Symbol) }.each do |k,v|
    attrs << "#{k}=\"#{v}\""
  end
  if @labels["gold"] && @labels["gold"][key]
    opts["gold"] = {}
    src = @labels["gold"][key]
    opts["gold"]["src"] = src
    opts["gold"]["regex"], opts["gold"]["flags"] = Array(@labels["gold"]["_"+src+"_regex"])
    opts["gold"]["strict"] = @labels["gold"]["_"+src+"_strict"]
  else
    opts["gold"] = false
  end
  
  tag = Parser.tag_class(tag).new("<cml:#{tag} #{attrs.join(" ")} />")
  tag.gold = opts["gold"]
  opts[:children].each { |c| tag.cml.add_child(tag(*c).cml) } if opts[:children]
  @tags << tag if opts[:parent]
  tag
end