+/* === S Y N F I G ========================================================= */
+/*! \file widget_canvaschooser.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "widget_canvaschooser.h"
+#include <gtkmm/menu.h>
+#include "app.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace studio;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Widget_CanvasChooser::Widget_CanvasChooser()
+{
+}
+
+Widget_CanvasChooser::~Widget_CanvasChooser()
+{
+}
+
+void
+Widget_CanvasChooser::set_parent_canvas(etl::handle<synfig::Canvas> x)
+{
+ assert(x);
+ parent_canvas=x;
+}
+
+void
+Widget_CanvasChooser::set_value_(etl::handle<synfig::Canvas> data)
+{
+ set_value(data);
+ activate();
+}
+
+void
+Widget_CanvasChooser::set_value(etl::handle<synfig::Canvas> data)
+{
+ assert(parent_canvas);
+ canvas=data;
+
+ canvas_menu=manage(new class Gtk::Menu());
+
+ synfig::Canvas::Children::iterator iter;
+ synfig::Canvas::Children &children(parent_canvas->children());
+ String label;
+
+ if(canvas)
+ {
+ label=canvas->get_name().empty()?canvas->get_id():canvas->get_name();
+ canvas_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(label));
+ }
+
+ for(iter=children.begin();iter!=children.end();iter++)
+ if(*iter!=canvas)
+ {
+ label=(*iter)->get_name().empty()?(*iter)->get_id():(*iter)->get_name();
+ canvas_menu->items().push_back(
+ Gtk::Menu_Helpers::MenuElem(
+ label,
+ sigc::bind(
+ sigc::mem_fun(
+ *this,
+ &Widget_CanvasChooser::set_value_
+ ),
+ *iter
+ )
+ )
+ );
+ }
+ canvas_menu->items().push_back(
+ Gtk::Menu_Helpers::MenuElem(
+ _("Other..."),
+ sigc::mem_fun(*this,&Widget_CanvasChooser::chooser_menu)
+ )
+ );
+ set_menu(*canvas_menu);
+
+ if(canvas)
+ set_history(0);
+}
+
+const etl::handle<synfig::Canvas> &
+Widget_CanvasChooser::get_value()
+{
+ return canvas;
+}
+
+void
+Widget_CanvasChooser::chooser_menu()
+{
+ String canvas_name;
+
+ if (!App::dialog_entry(_("Choose Canvas"),_("Enter the relative name of the canvas that you want"),canvas_name))
+ {
+ // the user hit 'cancel', so set the parameter back to its previous value
+ set_value_(canvas);
+ return;
+ }
+
+ if (canvas_name == "")
+ {
+ App::dialog_error_blocking(_("Error"),_("No canvas name was specified"));
+ set_value_(canvas);
+ return;
+ }
+
+ Canvas::Handle new_canvas;
+ try
+ {
+ new_canvas=parent_canvas->find_canvas(canvas_name);
+ set_value_(new_canvas);
+ }
+ catch(std::runtime_error x)
+ {
+ App::dialog_error_blocking(_("Error:Exception Thrown"),x.what());
+ set_value_(canvas);
+ }
+ catch(...)
+ {
+ App::dialog_error_blocking(_("Error"),_("Unknown Exception"));
+ set_value_(canvas);
+ }
+}