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Contents
module Liquid
class TableRow < Block
Syntax = /(\w+)\s+in\s+(#{QuotedFragment}+)/o
attr_reader :variable_name, :collection_name, :attributes
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
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
class ParseTreeVisitor < Liquid::ParseTreeVisitor
def children
super + @node.attributes.values + [@node.collection_name]
end
end
end
Template.register_tag('tablerow'.freeze, TableRow)
end
Version data entries
6 entries across 6 versions & 3 rubygems