using GLib;
using Gtk;

/*
 *
 * Implements a Widget for GTK containing a list
 * of selectable items with scrollbar and treeview.
 *
 */

public class GtkUtils.List : GLib.Object
{
  TreeView tv;
  TreeViewColumn col;
  CellRendererText cr;
  ListStore ls;

  public ScrolledWindow widget {get;set;}
  public signal void action();

  construct {
	widget = new ScrolledWindow(null, null);
	widget.set_policy(PolicyType.AUTOMATIC, PolicyType.AUTOMATIC);

	tv = new TreeView();
	tv.set_reorderable(true);
	tv.set_rules_hint(true);
	tv.model = ls = new ListStore(1, typeof(string));

	widget.add(tv);
  }

  public void update()
  {
	action();
  }

  public List with_title(string title)
  {
	tv.insert_column_with_attributes(0, title,
		new CellRendererText(), "text", 0, null);
	return this;
  }

  public void add(string item)
  {
	TreeIter iter;

	ls.append(ref iter);
	ls.set(ref iter, 0, item);
  }

  public string get()
  {
	TreeIter iter;
	TreeModel model;
	string str = "";

	TreeSelection sel = tv.get_selection();

	if (sel.count_selected_rows() == 1) {
		sel.get_selected(ref model, ref iter);
		ls.get(ref iter, 0, out str);
	}

	return str;
  }

  public void clear()
  {
	ls.clear();
  }
}