Class: Liquid::TableRow

Inherits:
Block show all
Defined in:
lib/liquid/tags/table_row.rb

Defined Under Namespace

Classes: ParseTreeVisitor

Constant Summary collapse

Syntax = 
/(\w+)\s+in\s+(#{QuotedFragment}+)/o

Constants inherited from Block

Block::MAX_DEPTH

Instance Attribute Summary collapse

Attributes inherited from Tag

#line_number, #nodelist, #parse_context, #tag_name

Instance Method Summary collapse

Methods inherited from Block

#blank?, #block_delimiter, #block_name, #nodelist, #parse, #unknown_tag

Methods inherited from Tag

#blank?, #name, #parse, parse, #raw

Methods included from ParserSwitching

#parse_with_selected_parser

Constructor Details

#initialize(tag_name, markup, options) ⇒ TableRow

Returns a new instance of TableRow.



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# File 'lib/liquid/tags/table_row.rb', line 7

def initialize(tag_name, markup, options)
  super
  if markup =~ Syntax
    @variable_name = $1
    @collection_name = Expression.parse($2)
    @attributes = {}
    markup.scan(TagAttributes) do |key, value|
      @attributes[key] = Expression.parse(value)
    end
  else
    raise SyntaxError.new(options[:locale].t("errors.syntax.table_row".freeze))
  end
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/liquid/tags/table_row.rb', line 5

def attributes
  @attributes
end

#collection_name ⇒ Object (readonly)

Returns the value of attribute collection_name.



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# File 'lib/liquid/tags/table_row.rb', line 5

def collection_name
  @collection_name
end

#variable_name ⇒ Object (readonly)

Returns the value of attribute variable_name.



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# File 'lib/liquid/tags/table_row.rb', line 5

def variable_name
  @variable_name
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/liquid/tags/table_row.rb', line 21

def render(context)
  collection = context.evaluate(@collection_name) or return ''.freeze

  from = @attributes.key?('offset'.freeze) ? context.evaluate(@attributes['offset'.freeze]).to_i : 0
  to = @attributes.key?('limit'.freeze) ? from + context.evaluate(@attributes['limit'.freeze]).to_i : nil

  collection = Utils.slice_collection(collection, from, to)

  length = collection.length

  cols = context.evaluate(@attributes['cols'.freeze]).to_i

  result = "<tr class=\"row1\">\n"
  context.stack do
    tablerowloop = Liquid::TablerowloopDrop.new(length, cols)
    context['tablerowloop'.freeze] = tablerowloop

    collection.each do |item|
      context[@variable_name] = item

      result << "<td class=\"col#{tablerowloop.col}\">" << super << '</td>'

      if tablerowloop.col_last && !tablerowloop.last
        result << "</tr>\n<tr class=\"row#{tablerowloop.row + 1}\">"
      end

      tablerowloop.send(:increment!)
    end
  end
  result << "</tr>\n"
  result
end