/* === S Y N F I G ========================================================= */
/*! \file layeradd.cpp
** \brief Template File
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2008 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 "layeradd.h"
#include <synfigapp/canvasinterface.h>
#include <synfigapp/general.h>
#include <synfig/layer_pastecanvas.h>
#include <synfig/valuenodes/valuenode_composite.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_NO_GET_LOCAL_NAME(Action::LayerAdd);
ACTION_SET_NAME(Action::LayerAdd,"LayerAdd");
ACTION_SET_LOCAL_NAME(Action::LayerAdd,N_("Add Layer"));
ACTION_SET_TASK(Action::LayerAdd,"add");
ACTION_SET_CATEGORY(Action::LayerAdd,Action::CATEGORY_LAYER);
ACTION_SET_PRIORITY(Action::LayerAdd,0);
ACTION_SET_VERSION(Action::LayerAdd,"0.0");
ACTION_SET_CVS_ID(Action::LayerAdd,"$Id$");
/* === 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::LayerAdd::LayerAdd()
{
}
synfig::String
Action::LayerAdd::get_local_name()const
{
if (layer)
return strprintf("%s '%s'", _("Add Layer"), layer->get_local_name().c_str());
else
return _("Add Layer");
}
Action::ParamVocab
Action::LayerAdd::get_param_vocab()
{
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
ret.push_back(ParamDesc("new",Param::TYPE_LAYER)
.set_local_name(_("New Layer"))
.set_desc(_("Layer to be added"))
);
return ret;
}
bool
Action::LayerAdd::is_candidate(const ParamList &x)
{
return candidate_check(get_param_vocab(),x);
}
bool
Action::LayerAdd::set_param(const synfig::String& name, const Action::Param ¶m)
{
if(name=="new" && param.get_type()==Param::TYPE_LAYER)
{
layer=param.get_layer();
return true;
}
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::LayerAdd::is_ready()const
{
if(!layer)
return false;
return Action::CanvasSpecific::is_ready();
}
void
Action::LayerAdd::perform()
{
// Set the layer's canvas
layer->set_canvas(get_canvas());
// Push the layer onto the front of the canvas
get_canvas()->push_front(layer);
// Mark ourselves as dirty if necessary
//set_dirty(layer->active());
if (etl::handle<Layer_PasteCanvas>::cast_dynamic(layer)
&& layer->dynamic_param_list().count("transformation") == 0)
layer->connect_dynamic_param("transformation",
ValueNode_Composite::create(
layer->get_param("transformation"),
get_canvas() ));
// Signal that a layer has been inserted
if(get_canvas_interface())
{
get_canvas_interface()->signal_layer_inserted()(layer,0);
}
else synfig::warning("CanvasInterface not set on action");
}
void
Action::LayerAdd::undo()
{
// Find the iterator for the layer
Canvas::iterator iter=find(get_canvas()->begin(),get_canvas()->end(),layer);
// If we couldn't find the layer in the canvas, then bail
if(*iter!=layer)
throw Error(_("This layer doesn't exist anymore."));
// Remove the layer from the canvas
get_canvas()->erase(iter);
// Mark ourselves as dirty if necessary
//set_dirty(layer->active());
// Signal that a layer has been inserted
if(get_canvas_interface())
{
get_canvas_interface()->signal_layer_removed()(layer);
}
else synfig::warning("CanvasInterface not set on action");
}