Merge pull request #59 from scottbale/showoff

README.rdoc

@@ -371,7 +371,7 @@ So far, ShowOff has been used in the following presentations (and many others):
 * Red Dirt Ruby Conference May 2010 - Plain Old Tokyo Storage - Jeremy Hinegardner
   http://github.com/copiousfreetime/plain-old-tokyo-storage-presentation
   http://plain-old-tokyo-storage.heroku.com/
-* Lambda Lounge - JavaScript Functions : The Good Parts - Idioms for Encapsulation and Inheritance - Scott Bale
+* Lambda Lounge and StrangeLoop 2010 - JavaScript Functions : The Good Parts - Idioms for Encapsulation and Inheritance - Scott Bale
   http://github.com/scottbale/JavaScript-Function-Idioms
 * Open Source Bridge 2010 - Creating a low-cost clustered virtualization environment w/ Ganeti - Lance Albertson
   http://github.com/ramereth/presentation-ganeti
@@ -423,6 +423,7 @@ etc).
 * json
 * GLI gem
 * Firefox or Chrome to present
+* PDFKit (optional, for generating PDF of presentation) https://github.com/jdpace/PDFKit
 
 = Contributing
 

lib/showoff.rb

@@ -13,9 +13,9 @@
 end
 
 begin
-  require 'princely'
+  require 'pdfkit'
 rescue LoadError
-  puts 'pdf generation disabled - install princely'
+  puts 'pdf generation disabled - install PDFKit'
 end
 
 begin
@@ -233,6 +233,10 @@ def inline_js(jses, pre = nil)
       js_content
     end
 
+    def inline_all_js(jses_directory)
+       inline_js(Dir.entries(File.join(File.dirname(__FILE__), '..', jses_directory)).find_all{|filename| filename.length > 2 }, jses_directory)
+    end
+
     def index(static=false)
       if static
         @title = ShowOffUtils.showoff_title
@@ -288,14 +292,18 @@ def onepage(static=false)
       erb :onepage
     end
 
-    def pdf(static=false)
+    def pdf(static=true)
       @slides = get_slides_html(static)
-      @no_js = true
+      @no_js = false
       html = erb :onepage
-      p = Princely.new
       # TODO make a random filename
-      p.pdf_from_string_to_file(html, '/tmp/preso.pdf')
-      File.new('/tmp/preso.pdf')
+
+      # PDFKit.new takes the HTML and any options for wkhtmltopdf
+      # run `wkhtmltopdf --extended-help` for a full list of options
+      kit = PDFKit.new(html, :page_size => 'Letter', :orientation => 'Landscape')
+
+      # Save the PDF to a file
+      file = kit.to_file('/tmp/preso.pdf')
     end
 
   end

views/onepage.erb

@@ -18,6 +18,7 @@
 
   <% if !@no_js %>
     <%= inline_js(['jquery-1.4.2.min.js', 'jquery-print.js', 'showoff.js', 'onepage.js', 'sh_main.min.js', 'core.js', 'showoffcore.js'], 'public/js') %>
+    <%= inline_all_js('public/js/sh_lang') %>
     <script type="text/javascript">
     $(document).ready(function() {
       setupOnePage()