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Contents
module Liquid
class TableRow < Block
Syntax = /(\w+)\s+in\s+(#{AllowedVariableCharacters}+)/
def initialize(markup, tokens)
super
if markup =~ Syntax
@variable_name = $1
@collection_name = $2
@attributes = {}
markup.scan(TagAttributes) do |key, value|
@attributes[key] = value
end
else
raise SyntaxError.new("Syntax Error in 'table_row loop' - Valid syntax: table_row [item] in [collection] cols=3")
end
end
def render(context)
collection = context[@collection_name] or return ''
if @attributes['limit'] or @attributes['offset']
limit = context[@attributes['limit']] || -1
offset = context[@attributes['offset']] || 0
collection = collection[offset.to_i..(limit.to_i + offset.to_i - 1)]
end
length = collection.length
cols = context[@attributes['cols']].to_i
row = 1
col = 0
result = ["<tr class=\"row1\">\n"]
context.stack do
collection.each_with_index do |item, index|
context[@variable_name] = item
context['tablerowloop'] = {
'length' => length,
'index' => index + 1,
'index0' => index,
'rindex' => length - index,
'rindex0' => length - index -1,
'first' => (index == 0),
'last' => (index == length - 1) }
result << ["<td class=\"col#{col += 1}\">"] + render_all(@nodelist, context) + ['</td>']
if col == cols and not (index == length - 1)
col = 0
result << ["</tr>\n<tr class=\"row#{row += 1}\">"]
end
end
end
result + ["</tr>\n"]
end
end
Template.register_tag('tablerow', TableRow)
end
Version data entries
20 entries across 20 versions & 7 rubygems