75 lines
2.2 KiB
Ruby
75 lines
2.2 KiB
Ruby
module Locomotive
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module Liquid
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module Tags
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class Extends < ::Liquid::Extends
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attr_accessor :page_id # parent page id
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def initialize(tag_name, markup, tokens, context)
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if markup =~ Syntax
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@template_name = $1.gsub('\'', '').strip
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else
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raise SyntaxError.new("Error in tag 'extends' - Valid syntax: extends [template]")
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end
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@context = context
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retrieve_parent_page
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# before parsing the embedded tokens, get editable elements from parent page
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@context[:page].merge_editable_elements_from_page(@context[:parent_page])
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super
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# puts "** after extends, @context[:templates] = #{@context[:templates].inspect}"
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end
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private
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def parse_parent_template
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page = @context[:parent_page]
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template = page.template
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# merge blocks ?
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blocks = find_blocks(template.root.nodelist)
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blocks.each_value do |block|
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block.send(:instance_variable_set, :"@context", @context)
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block.end_tag
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end
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@context[:snippets] = page.snippet_dependencies
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@context[:templates] = ([*page.template_dependencies] + [@page_id]).compact
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# puts "@context[:templates] = #{[*page.template_dependencies].inspect} + #{[@page_id].inspect} = #{@context[:templates].inspect}"
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template
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end
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def retrieve_parent_page
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if @template_name == 'parent'
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if @context[:cached_parent]
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@context[:parent_page] = @context[:cached_parent]
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@context[:cached_parent] = nil
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else
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@context[:parent_page] = @context[:page].parent
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end
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else
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@context[:parent_page] = @context[:cached_pages].try(:[], @template_name) ||
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@context[:site].pages.where(:fullpath => @template_name).first
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end
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raise PageNotFound.new("Page with fullpath '#{@template_name}' was not found") if @context[:parent_page].nil?
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# puts "** @page_id = #{@context[:parent_page].id}"
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@page_id = @context[:parent_page].id
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end
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end
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::Liquid::Template.register_tag('extends', Extends)
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end
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end
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end |