/* === S Y N F I G ========================================================= */
/*! \file canvasremove.cpp
** \brief Template File
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** 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 "canvasremove.h"
#include <synfigapp/canvasinterface.h>
#include <synfigapp/localization.h>
#endif
using namespace std;
using namespace etl;
using namespace synfig;
using namespace synfigapp;
using namespace Action;
/* === M A C R O S ========================================================= */
ACTION_INIT(Action::CanvasRemove);
ACTION_SET_NAME(Action::CanvasRemove,"CanvasRemove");
ACTION_SET_LOCAL_NAME(Action::CanvasRemove,N_("Remove Canvas"));
ACTION_SET_TASK(Action::CanvasRemove,"remove");
ACTION_SET_CATEGORY(Action::CanvasRemove,Action::CATEGORY_CANVAS);
ACTION_SET_PRIORITY(Action::CanvasRemove,0);
ACTION_SET_VERSION(Action::CanvasRemove,"0.0");
ACTION_SET_CVS_ID(Action::CanvasRemove,"$Id$");
/* === G L O B A L S ======================================================= */
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
Action::CanvasRemove::CanvasRemove()
{
}
Action::ParamVocab
Action::CanvasRemove::get_param_vocab()
{
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
return ret;
}
bool
Action::CanvasRemove::is_candidate(const ParamList &x)
{
if(candidate_check(get_param_vocab(),x))
{
Canvas::Handle canvas=x.find("canvas")->second.get_canvas();
assert(canvas);
// We cannot remove the root canvas.
if(canvas->is_root())
return false;
return true;
}
return false;
}
bool
Action::CanvasRemove::set_param(const synfig::String& name, const Action::Param ¶m)
{
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::CanvasRemove::is_ready()const
{
return Action::CanvasSpecific::is_ready();
}
void
Action::CanvasRemove::perform()
{
// We cannot remove the root canvas.
if(get_canvas()->is_root())
throw Error(_("You cannot remove the root canvas!"));
if(get_canvas()->is_inline())
throw Error(_("You cannot remove a canvas from a Group!"));
parent_canvas=get_canvas()->parent();
canvas_id=get_canvas()->get_id();
assert(parent_canvas);
parent_canvas->remove_child_canvas(get_canvas());
if(get_canvas_interface())
{
get_canvas_interface()->signal_canvas_removed()(get_canvas());
}
else synfig::warning("CanvasInterface not set on action");
}
void
Action::CanvasRemove::undo()
{
parent_canvas->add_child_canvas(get_canvas(), canvas_id);
if(get_canvas_interface())
{
get_canvas_interface()->signal_canvas_added()(get_canvas());
}
else synfig::warning("CanvasInterface not set on action");
}