viewmodel.rb

class MangaViewModel < FreightViewModel

  signal :update_progress

  region :mangas
  region :chapters
  region :page
  region :control_box

  service :download
  service :scheduler
  service :caching

  attr_reader :status
  attr_reader :version

  def self.container_options
    return { :model => :singleton }
  end

  def initialize
    @status   = "Ready."
    @progress = 0
    super
    @view.update
  end

  def set_elements(elements)
    mangas.set_mangas(elements) unless mangas.mangas
  end

  def get_elements
    return mangas.mangas
  end

  def on_pick_manga
    viewmodel = FindMangaViewModel.new
    viewmodel.on_ok = method(:add_manga)
    viewmodel.show
  end

  def on_show_about
    Freightrain[:about_view_model].show
  end
  
  def mangas_on_selected(manga)
    chapters.manga_selected(manga)
  end

  def chapters_on_progress_changed(message = "Ready.", total = 1, completed = 0)
    fire :update_progress, message, total, completed
  end

  def mangas_on_progress_changed(message = "Ready.", total = 1, completed = 0)
    fire :update_progress, message, total, completed
  end

  def update_progress(message, total, completed)
    @status     = message
    @completed  = completed
    @total      = total   
    @view.update
  end

  def chapters_on_selected(chapter)
    control_box.chapter_changed(chapter)
    mangas.update_status
  end

  def page_on_ask_next_page
    control_box.next_page
  end

  def control_box_on_page_changed(changed_page)
    page.page_changed(changed_page)
  end

  def progress
    return 0 if @completed == @total
    return @completed.to_f / @total.to_f
  end

  def percentage
    return "" if progress == 0
    return (progress * 100).to_i.to_s + " %"
  end
  
  def version
    return "v. 1.2.2"
  end
  
  def add_manga(manga)
    mangas.add_manga(manga)
  end
  
end