Class: Powerpoint::Presentation

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/powerpoint/presentation.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#copy_media, #pixle_to_pt, #read_template, #render_view, #require_arguments

Constructor Details

#initialize ⇒ Presentation

Returns a new instance of Presentation.



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# File 'lib/powerpoint/presentation.rb', line 11

def initialize
  @slides = []
end

Instance Attribute Details

#slides ⇒ Object (readonly)

Returns the value of attribute slides.



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# File 'lib/powerpoint/presentation.rb', line 9

def slides
  @slides
end

Instance Method Details

#add_intro(title, subtitile = nil) ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 15

def add_intro(title, subtitile = nil)
  existing_intro_slide = @slides.select {|s| s.class == Powerpoint::Slide::Intro}[0]
  slide = Powerpoint::Slide::Intro.new(presentation: self, title: title, subtitile: subtitile)
  if existing_intro_slide
    @slides[@slides.index(existing_intro_slide)] = slide 
  else
    @slides.insert 0, slide
  end
end

#add_pictorial_slide(title, image_path, coords = {}) ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 29

def add_pictorial_slide(title, image_path, coords = {})
  @slides << Powerpoint::Slide::Pictorial.new(presentation: self, title: title, image_path: image_path, coords: coords)
end

#add_picture_description_slide(title, image_path, content = []) ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 37

def add_picture_description_slide(title, image_path, content = [])
  @slides << Powerpoint::Slide::DescriptionPic.new(presentation: self, title: title, image_path: image_path, content: content)
end

#add_text_picture_slide(title, image_path, content = []) ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 33

def add_text_picture_slide(title, image_path, content = [])
  @slides << Powerpoint::Slide::TextPicSplit.new(presentation: self, title: title, image_path: image_path, content: content)
end

#add_textual_slide(title, content = []) ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 25

def add_textual_slide(title, content = [])
  @slides << Powerpoint::Slide::Textual.new(presentation: self, title: title, content: content)
end

#file_types ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 72

def file_types
  slides.map {|slide| slide.file_type if slide.respond_to? :file_type }.compact.uniq
end

#save(path) ⇒ Object 



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# File 'lib/powerpoint/presentation.rb', line 41

def save(path)
  Dir.mktmpdir do |dir|
    extract_path = "#{dir}/extract_#{Time.now.strftime("%Y-%m-%d-%H%M%S")}"

    # Copy template to temp path
    FileUtils.copy_entry(TEMPLATE_PATH, extract_path)

    # Remove keep files
    Dir.glob("#{extract_path}/**/.keep").each do |keep_file|
      FileUtils.rm_rf(keep_file)
    end

    # Render/save generic stuff
    render_view('content_type.xml.erb', "#{extract_path}/[Content_Types].xml")
    render_view('presentation.xml.rel.erb', "#{extract_path}/ppt/_rels/presentation.xml.rels")
    render_view('presentation.xml.erb', "#{extract_path}/ppt/presentation.xml")
    render_view('app.xml.erb', "#{extract_path}/docProps/app.xml")

    # Save slides
    slides.each_with_index do |slide, index|
      slide.save(extract_path, index + 1)
    end

    # Create .pptx file
    File.delete(path) if File.exist?(path)
    Powerpoint.compress_pptx(extract_path, path)
  end

  path
end