99 lines
3.0 KiB
Ruby
99 lines
3.0 KiB
Ruby
require 'pdfkit'
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require File.dirname(__FILE__) + '/helper.rb'
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module Jekyll
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module PDF
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class Document < Jekyll::Page
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include Helper
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def initialize(site, base, page)
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@site = site
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@base = base
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@dir = File.dirname(page.url)
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@name = File.basename(page.url, File.extname(page.url)) + '.pdf'
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@settings = site.config.key?('pdf') ? site.config['pdf'].clone : {}
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@partials = %w[cover header_html footer_html]
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process(@name)
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self.data = page.data.clone
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self.content = page.content.clone
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# Set layout to the PDF layout
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data['layout'] = layout
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# Get PDF settings from the layouts
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Jekyll::Utils.deep_merge_hashes!(@settings, get_config(data))
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PDFKit.configure do |config|
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config.verbose = site.config['verbose']
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end
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# Set pdf_url variable in the source page (for linking to the PDF version)
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page.data['pdf_url'] = url
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# Set html_url variable in the source page (for linking to the HTML version)
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data['html_url'] = page.url
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# create the partial objects
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@partials.each do |partial|
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@settings[partial] = Jekyll::PDF::Partial.new(self, @settings[partial]) unless @settings[partial].nil?
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end
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end
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# Recursively merge settings from the page, layout, site config & jekyll-pdf defaults
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def get_config(data)
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settings = data['pdf'].is_a?(Hash) ? data['pdf'] : {}
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layout = @site.layouts[data['layout']].data.clone unless data['layout'].nil?
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# No parent layout found - return settings hash
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return settings if layout.nil?
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# Merge settings with parent layout settings
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layout['pdf'] ||= {}
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Jekyll::Utils.deep_merge_hashes!(layout['pdf'], settings)
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get_config(layout)
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end
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# Write the PDF file
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# todo: remove pdfkit dependency
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def write(dest_prefix, _dest_suffix = nil)
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render(@site.layouts, @site.site_payload) if output.nil?
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path = File.join(dest_prefix, CGI.unescape(url))
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dest = File.dirname(path)
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# Create directory
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FileUtils.mkdir_p(dest) unless File.exist?(dest)
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# write partials
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@partials.each do |partial|
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@settings[partial].write unless @settings[partial].nil?
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end
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# Debugging - create html version of PDF
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File.open("#{path}.html", 'w') { |f| f.write(output) } if @settings['debug']
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@settings.delete('debug')
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@settings.delete('layout')
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# Build PDF file
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fix_relative_paths
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kit = PDFKit.new(output, @settings)
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file = kit.to_file(path)
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end
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def layout
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# Set page layout to the PDF layout
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layout = data['pdf_layout'] || @settings['layout']
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# Check if a PDF version exists for the current layout (e.g. layout_pdf)
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if layout.nil? && !data['layout'].nil? && File.exist?('_layouts/' + data['layout'] + '_pdf.html')
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layout = data['layout'] + '_pdf'
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end
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layout || 'pdf'
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end
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end
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end
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end
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