using Granite.Widgets;

class MainWindow : Gtk.Window {

    public MainWindow () {
        var library_category = new Granite.Widgets.SourceList.ExpandableItem ("Libraries");
        var store_category = new Granite.Widgets.SourceList.ExpandableItem ("Stores");
        var device_category = new Granite.Widgets.SourceList.ExpandableItem ("Devices");

        var music_item = new Granite.Widgets.SourceList.Item ("Music");

        library_category.add (music_item);

        var my_store_item = new Granite.Widgets.SourceList.ExpandableItem ("My Store");
        store_category.add (my_store_item);

        var my_store_podcast_item = new Granite.Widgets.SourceList.Item ("Podcasts");
        var my_store_music_item = new Granite.Widgets.SourceList.Item ("Music");

        my_store_item.add (my_store_music_item);
        my_store_item.add (my_store_podcast_item);

        var player1_item = new Granite.Widgets.SourceList.Item ("Player 1");
        var player2_item = new Granite.Widgets.SourceList.Item ("Player 2");
        var player3_item = new Granite.Widgets.SourceList.Item ("Player 3");
        var player4_item = new Granite.Widgets.SourceList.Item ("Player 4");
        var player5_item = new Granite.Widgets.SourceList.Item ("Player 5");
        var player6_item = new Granite.Widgets.SourceList.Item ("Player 6");
        var player7_item = new Granite.Widgets.SourceList.Item ("Player 7");
        var player8_item = new Granite.Widgets.SourceList.Item ("Player 8");

        device_category.add (player1_item);
        device_category.add (player2_item);
        device_category.add (player3_item);
        device_category.add (player4_item);
        device_category.add (player5_item);
        device_category.add (player6_item);
        device_category.add (player7_item);
        device_category.add (player8_item);

        var source_list = new Granite.Widgets.SourceList ();
        var root = source_list.root;

        root.add (library_category);
        root.add (store_category);
        root.add (device_category);

        var pane = new Granite.Widgets.ThinPaned ();
        pane.pack1 (source_list, true, false);

        add (pane);
    }
}

void main (string[] args) {
    Gtk.init (ref args);
    var win = new MainWindow ();
    win.destroy.connect (Gtk.main_quit);
    win.show_all ();
    Gtk.main ();
}