Class: PlayList

Inherits:
Object
  • Object
show all
Includes:
Observable
Defined in:
lib/gswax/playlist.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PlayList

Returns a new instance of PlayList.



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# File 'lib/gswax/playlist.rb', line 14

def initialize
	@selected = []
	@listview = ListView.new		# def in share.rb
	@listview.list.reorderable = true
	@listview.add_observer(self, :on_list_signals)
	init_ui
end

Instance Attribute Details

#listview ⇒ Object

Returns the value of attribute listview.



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# File 'lib/gswax/playlist.rb', line 12

def listview
  @listview
end

Instance Method Details

#add(entry, position = "append") ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 78

def add(entry, position = "append")
	if entry.class == String
		@listview.add_to_list(entry, position)
	elsif entry.class == Array
		entry.each{|e| @listview.add_to_list(e, position)}
	end
	@clear_list_btn.sensitive = true
	@save_list_btn.sensitive = true
end

#call_browser ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 111

def call_browser
	changed; notify_observers("BROWSER")
end

#clear_list ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 127

def clear_list
	if confirm("clear playlist?")
		@listview.store.clear
		@clear_list_btn.sensitive = false
		@save_list_btn.sensitive = false
		changed; notify_observers("CLEAR_LIST")
	end
end

#close_window ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 178

def close_window
	@win.destroy
end

#init_ui ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 22

def init_ui
	@win = Gtk::Window.new
	@win.set_size_request(500, 500)
	@win.icon = Gdk::Pixbuf.new File.join(DIR, '../static/gshoes-icon.png')
	@win.title = 'Playlist'
	@win.signal_connect("destroy"){changed; notify_observers("PLAYLIST_CLOSED")}
	
	@main = Gtk::VBox.new(false, 5)

	show_list
	
	@win.add(@main)
	@win.show_all
end

#load_list ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 136

def load_list
	list = []
	playlist_dir = File.join(Settings.brains_dir, "playlists")
	unless Dir.exists?(playlist_dir)
		Dir.mkdir(playlist_dir)
	end
	Dir.chdir(playlist_dir){
		@openfile = ask_open_file
	}
	if @openfile
		File.open(@openfile, "r"){|file|
			file.each_line{|line| list << line.chomp}
		}
	end
	
	@listview.store.clear
	add(list)
	
	list.insert(0, @openfile)
	list.insert(0, "LOAD_LIST")
	changed; notify_observers(list)
end

#on_browser_signals(signal) ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 99

def on_browser_signals(signal)
	case signal[0]
		when "PREPEND"
			add(signal[1..-1], "prepend")
		when "APPEND"
			add(signal[1..-1])
		when "PLAY_NOW"
			add(signal[1])
	end
	changed; notify_observers(signal)	
end

#on_list_signals(*signal) ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 88

def on_list_signals(*signal)
	case signal[0]
		when "changed"
			@remove_tracks_btn.sensitive = true
		when "row-activated"
			iter = @listview.store.get_iter(signal[2])
			entry = iter[1]
			changed; notify_observers(["PLAY_NOW", entry])
	end
end

#remove_tracks ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 115

def remove_tracks
	tracks = []

	@listview.list_selection.selected_rows.each{|path|
		iter = @listview.store.get_iter(path)
		tracks << iter[1]
		@listview.store.remove(iter)
	}
	tracks.insert(0, "REMOVE")
	changed; notify_observers(tracks)
end

#save_list ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 159

def save_list
	unless Dir.exists?(File.dirname(File.expand_path(__FILE__)) + "/playlists/")
		Dir.mkdir(File.dirname(File.expand_path(__FILE__)) + "/playlists/")
	end
	Dir.chdir(File.dirname(File.expand_path(__FILE__)) + "/playlists/"){
		@savefile = ask_save_file
	}
	
	if @savefile
		@listview.list_selection.select_all
		File.open(@savefile, "w+"){|file|
			@listview.list_selection.selected_each{|mod, path, iter| file.puts iter[1]}
		}
		@listview.list_selection.unselect_all
	
		changed; notify_observers(["SAVE_LIST", @savefile])
	end
end

#show_list ⇒ Object 



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# File 'lib/gswax/playlist.rb', line 37

def show_list
	list_panel = Gtk::ScrolledWindow.new
	list_panel.set_size_request(500, 460)
	
	hadjust = list_panel.hadjustment
	vadjust = list_panel.vadjustment
	viewport = Gtk::Viewport.new(hadjust, vadjust)
	list_panel.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_ALWAYS)
	list_panel.add_with_viewport(@listview.list)
	
	btn_panel = Gtk::HBox.new(true, 2)
	
	add_tracks_btn = Gtk::Button.new("add tracks")
	add_tracks_btn.signal_connect("clicked"){call_browser}
	
	@remove_tracks_btn = Gtk::Button.new("remove tracks")
	@remove_tracks_btn.signal_connect("clicked"){remove_tracks}
	@remove_tracks_btn.sensitive = false
	
	@clear_list_btn = Gtk::Button.new("clear list")
	@clear_list_btn.signal_connect("clicked"){clear_list}
	@clear_list_btn.sensitive = false
	
	load_list_btn = Gtk::Button.new("load list")
	load_list_btn.signal_connect("clicked"){load_list}
	
	@save_list_btn = Gtk::Button.new("save list")
	@save_list_btn.signal_connect("clicked"){save_list}
	@save_list_btn.sensitive = false
	
	btn_panel.pack_start(add_tracks_btn, true, true, 1)
	btn_panel.pack_start(@remove_tracks_btn, true, true, 1)
	btn_panel.pack_start(@clear_list_btn, true, true, 1)
	btn_panel.pack_start(load_list_btn, true, true,	1)
	btn_panel.pack_start(@save_list_btn, true, true, 1)
	
	
	@main.pack_start(list_panel, true, true, 0)
	@main.pack_end(btn_panel, true, true, 0)
end