Class: Sh::Browse

Inherits:
Object show all
Defined in:
lib/sh_browse.rb

Constant Summary collapse

@@instance = 
nil

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(view) ⇒ Browse

Returns a new instance of Browse.



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# File 'lib/sh_browse.rb', line 5

def initialize view
	Sh::Log.warning 'Instance of Browse already created!' if @@instance
	@@instance = self
  @tree = TreeView.new
  @tree.selection.mode = Gtk::SELECTION_MULTIPLE

  ren_artist = CellRendererText.new
  col_artist = TreeViewColumn.new('Songs', ren_artist)
  col_artist.set_cell_data_func(ren_artist) do |tvc, cell, model, iter|
    cell.text = ''
    data = iter[0]
    if data.is_a? Sh::Song
      if data.title
        cell.text = sprintf("%.2d\t%s", data.track_num, data.title)
      else
        cell.text = data.path.split('/').last
      end
    else
      cell.text = data.to_s
    end
  end
  @tree.append_column col_artist

  @model = TreeStore.new(Object, Array)
#      TODO: use this
#      @model.set_default_sort_func do |a, b|
#        oa, ob = a[0], b[0]
#        oa.to_s <=> ob.to_s
#      end
#      @model.set_sort_column_id(TreeSortable::DEFAULT_SORT_COLUMN_ID,
#      	Gtk::SORT_ASCENDING)
  @tree.model = @model

  GLib::Timeout.add(1000) do
    fill_model
    false
  end

  @tree.signal_connect('button-press-event') do |widget, event|
    # Right-click
    if event.button == 3
      path = @tree.get_path_at_pos(event.x, event.y).first
      data = @model.get_iter(path)[0]
      selection = @tree.selection
      selected_rows = selection.selected_rows
      clicked_in_selection = false
      selected_rows.each do |sel|
        clicked_in_selection = sel.indices == path.indices
        break if clicked_in_selection
      end

      unless clicked_in_selection
        # Change the selection
        selection.unselect_all
        selection.select_path(path)
        selected_rows = selection.selected_rows
      end

      #puts selected_rows

      if data.is_a? Sh::Song
        song = data
        menu = Menu.new
        
        Actions.get(:song).each do |action|
       	pbtn = nil
       	if action[:stock_image]
       		pbtn = ImageMenuItem.new(action.name)
       		pbtn.image = Image.new(action[:stock_image], IconSize::MENU)
       	else
         	pbtn = MenuItem.new(action.name)
         end
       	menu.append pbtn
			if action.tags.include? :playlist
				pmnu = Gtk::Menu.new
				Sh::Playlists.load_playlists.each do |playlist|
        	pbtn_playlist = Gtk::MenuItem.new playlist.name
        	pbtn_playlist.signal_connect('activate') do |widget|
        		action.execute song, playlist
        	end
        	pmnu.append pbtn_playlist
        end
        pbtn.submenu = pmnu
			else
       	pbtn.signal_connect('activate') do |widget|
       		action.execute song
       	end
       end
        end
        
        menu.show_all
        menu.popup(nil, nil, event.button, event.time)
      end
    end
  end
  @tree.signal_connect('row_activated') do |widget, path, col|
    iter = @tree.model.get_iter(path)
    parent = iter.parent
    song = iter[0]
    if song.is_a? Sh::Song
      view.stop
      queue = []
      while iter.parent == parent
        queue << iter[0]
        iter.next!
      end
      prev = []
      iter = parent.first_child
      until iter.path.indices == path.indices
        prev << iter[0]
        iter.next!
      end
      queue.insert 0, *prev
      view.queue = queue
      view.queue_pos = prev.size
      view.play
    else
      view.stop
      view.queue = iter[1].dup
      view.play
    end
  end

  @scroll = ScrolledWindow.new(nil, nil)
  @scroll.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
  @scroll.add @tree
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/sh_browse.rb', line 133

def self.instance
	return @@instance
end

Instance Method Details

#fill_model ⇒ Object 



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# File 'lib/sh_browse.rb', line 197

def fill_model
	@model.clear
  artist_node = album_node = track_node = nil
  $db.songs.sort_by {|a| (a.to_s || '')}.each do |song|
    artist = song.artist
    if not artist_node or artist_node[0].db_id != artist.db_id
      artist_node = @model.append nil
      artist_node[0] = artist
      # Required for proper handling of multiple artists with on album
      album_node = nil
    end
    artist_node[1] ||= []
    artist_node[1] << song

    album = song.album
    if not album_node or album_node[0].db_id != album.db_id
      album_node = @model.append artist_node
      album_node[0] = album
    end
    album_node[1] ||= []
    album_node[1] << song

    track_node = @model.append album_node
    track_node[0] = song
    track_node[1] = [song]

    Kelp.process_events
  end
end

#insert_song(song) ⇒ Object 



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# File 'lib/sh_browse.rb', line 160

def insert_song song
  artist_node = album_node = prev_song_node = nil
  @model.each do |model, path, iter|
    data = iter[0]

    if data.is_a? Artist
      artist_node = iter if data.db_id == song.artist.db_id
    elsif artist_node and data.is_a? Album
      album_node = iter if iter.parent == artist_node and data.db_id == song.album.db_id
    end

    if album_node and iter.parent == album_node and data.is_a? Song
      if data.track_num < song.track_num
        prev_song_node = iter
      end
    end
  end
  # Artist node
  unless artist_node
    artist_node = @model.append nil
    artist_node[0] = song.artist
    artist_node[1] = []
  end
  artist_node[1] << song
  # Album node
  unless album_node
    album_node = @model.append artist_node
    album_node[0] = song.album
    album_node[1] = []
  end
  album_node[1] << song
  # Song node
  song_node = @model.insert_after(album_node, prev_song_node)
  song_node[0] = song
  song_node[1] = [song]
end

#remove_song(song) ⇒ Object 



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# File 'lib/sh_browse.rb', line 137

def remove_song song
  song_node = nil
  if song.is_a? TreeIter
    song_node = song
  else
    @model.each do |model, path, iter|
      if iter[0] == song
        song_node = iter
      end
    end
  end
  
  if song_node
    album_node = song_node.parent
    artist_node = album_node.parent
    @model.remove song_node
    album_node[1].delete song
    @model.remove album_node unless album_node.has_child?
    artist_node[1].delete song
    @model.remove artist_node unless artist_node.has_child?
  end
end

#widget ⇒ Object 



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# File 'lib/sh_browse.rb', line 227

def widget
  return @scroll
end