100 lines
3.1 KiB
Ruby
100 lines
3.1 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 = ['cover','header_html','footer_html']
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self.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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self.data['layout'] = layout
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# Get PDF settings from the layouts
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Jekyll::Utils.deep_merge_hashes!(@settings, self.getConfig(self.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'] = self.url
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# Set html_url variable in the source page (for linking to the HTML version)
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self.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]) if @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 getConfig(data)
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settings = data['pdf'].is_a?(Hash) ? data['pdf'] : {}
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layout = @site.layouts[data['layout']].data.clone if 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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return self.getConfig(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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self.render(@site.layouts, @site.site_payload) if self.output == nil
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path = File.join(dest_prefix, CGI.unescape(self.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 if @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(self.output) } if @settings["debug"]
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@settings.delete("debug")
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# Build PDF file
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fix_relative_paths
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kit = PDFKit.new(self.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 = self.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 && self.data['layout'] != nil && File.exist?("_layouts/" + self.data['layout'] + "_pdf.html")
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layout = self.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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