/* === 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 <synfig/general.h>
#include "widgets/widget_canvaschooser.h"
#include <gtkmm/menu.h>
#include "app.h"
#include <gui/localization.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():
canvas_menu(NULL)
{ }
Widget_CanvasChooser::~Widget_CanvasChooser()
{ }
void
Widget_CanvasChooser::set_parent_canvas(synfig::Canvas::Handle x)
{
assert(x);
parent_canvas=x;
}
void
Widget_CanvasChooser::set_value_(synfig::Canvas::Handle data)
{
set_value(data);
activate();
}
void
Widget_CanvasChooser::on_changed()
{
int i = get_active_row_number();
if (i < 0 || i > (int)canvases.size()) return;
// Check "Other..." item at the end
if (i == (int)canvases.size()) { chooser_menu(); return; }
if (canvas != canvases[i]) set_value_(canvases[i]);
}
void
Widget_CanvasChooser::set_value(synfig::Canvas::Handle data)
{
assert(parent_canvas);
canvas=data;
synfig::Canvas::Children::iterator iter;
synfig::Canvas::Children &children(parent_canvas->children());
String label;
set_active(-1);
remove_all();
canvases.clear();
if(canvas)
{
label=canvas->get_name().empty()?canvas->get_id():canvas->get_name();
canvases.push_back(canvas);
append(label);
}
for(iter=children.begin();iter!=children.end();iter++)
if(*iter!=canvas)
{
label=(*iter)->get_name().empty()?(*iter)->get_id():(*iter)->get_name();
canvases.push_back(*iter);
append(label);
}
append(_("Other..."));
if(canvas)
set_active(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"),
_("Canvas Name: "),
canvas_name,
_("Cancel"),
_("Choose"))
)
{
// the user hit 'cancel', so set the parameter back to its previous value
set_value_(canvas);
return;
}
if (canvas_name == "")
{
App::dialog_message_1b(
"ERROR",
_("No canvas name was specified"),
"details",
_("Close"));
set_value_(canvas);
return;
}
Canvas::Handle new_canvas;
try
{
String warnings;
new_canvas=parent_canvas->find_canvas(canvas_name, warnings);
set_value_(new_canvas);
}
catch(std::runtime_error& x)
{
App::dialog_message_1b(
"ERROR",
String(_("(Exception Thrown) Error selecting canvas:\n\n")) + x.what(),
"details",
_("Close"));
set_value_(canvas);
}
catch(...)
{
App::dialog_message_1b(
"ERROR",
_("Unknown Exception"),
"details",
_("Close"));
set_value_(canvas);
}
}