/* === S Y N F I G ========================================================= */
/*! \file layerencapsulateswitch.cpp
** \brief Template File
**
** $Id$
**
** \legal
** ......... ... 2014 Ivan Mahonin
**
** 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 "layerencapsulateswitch.h"
#include "layeradd.h"
#include "layerremove.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_NO_GET_LOCAL_NAME(Action::LayerEncapsulateSwitch);
ACTION_SET_NAME(Action::LayerEncapsulateSwitch,"LayerEncapsulateSwitch");
ACTION_SET_LOCAL_NAME(Action::LayerEncapsulateSwitch,N_("Group Layer into Switch"));
ACTION_SET_TASK(Action::LayerEncapsulateSwitch,"encapsulate_switch");
ACTION_SET_CATEGORY(Action::LayerEncapsulateSwitch,Action::CATEGORY_LAYER);
ACTION_SET_PRIORITY(Action::LayerEncapsulateSwitch,0);
ACTION_SET_VERSION(Action::LayerEncapsulateSwitch,"0.0");
ACTION_SET_CVS_ID(Action::LayerEncapsulateSwitch,"$Id$");
/* === 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::LayerEncapsulateSwitch::LayerEncapsulateSwitch()
{
}
synfig::String
Action::LayerEncapsulateSwitch::get_local_name()const
{
return get_layer_descriptions(layers, _("Group Layer into Switch"), _("Group Layers into Switch"));
}
Action::ParamVocab
Action::LayerEncapsulateSwitch::get_param_vocab()
{
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
.set_local_name(_("Layer"))
.set_desc(_("Layer to be grouped"))
.set_supports_multiple()
);
ret.push_back(ParamDesc("description",Param::TYPE_STRING)
.set_local_name(_("Description"))
.set_desc(_("Description of new switch"))
.set_optional()
);
return ret;
}
bool
Action::LayerEncapsulateSwitch::is_candidate(const ParamList &x)
{
return candidate_check(get_param_vocab(),x);
}
bool
Action::LayerEncapsulateSwitch::set_param(const synfig::String& name, const Action::Param ¶m)
{
if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
{
layers.push_back(param.get_layer());
return true;
}
if(name=="description" && param.get_type()==Param::TYPE_STRING)
{
description = param.get_string();
return true;
}
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::LayerEncapsulateSwitch::is_ready()const
{
if(layers.empty())
return false;
return Action::CanvasSpecific::is_ready();
}
int
Action::LayerEncapsulateSwitch::lowest_depth()const
{
std::list<synfig::Layer::Handle>::const_iterator iter;
int lowest_depth(0x7fffffff);
for(iter=layers.begin();iter!=layers.end();++iter)
{
int depth((*iter)->get_depth());
if(depth<lowest_depth)
lowest_depth=depth;
}
if(lowest_depth==0x7fffffff)
return 0;
return lowest_depth;
}
void
Action::LayerEncapsulateSwitch::prepare()
{
if(!first_time())
return;
if(layers.empty())
throw Error(_("No layers to group"));
// First create the new canvas and layer
if(!child_canvas)
child_canvas=Canvas::create_inline(get_canvas());
Layer::Handle new_layer(Layer::create("switch"));
if (!description.empty()) new_layer->set_description(description);
new_layer->set_param("canvas",child_canvas);
new_layer->set_param("layer_name",layers.front()->get_description());
int target_depth(lowest_depth());
// Add the layer
{
Action::Handle action(LayerAdd::create());
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("new",new_layer);
add_action(action);
}
// Move the layer
{
Action::Handle action(Action::create("LayerMove"));
assert(action);
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("layer",new_layer);
action->set_param("new_index",target_depth);
add_action(action);
}
std::list<synfig::Layer::Handle>::reverse_iterator i;
for(i=layers.rbegin();i!=layers.rend();++i)
{
Layer::Handle layer(*i);
Canvas::Handle subcanvas(layer->get_canvas());
// Find the iterator for the layer
Canvas::iterator iter=find(subcanvas->begin(),subcanvas->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."));
if(!subcanvas)
throw Error(_("This layer doesn't have a parent canvas"));
// If the subcanvas isn't the same as the canvas,
// then it had better be an inline canvas. If not,
// bail
if(get_canvas()!=subcanvas && !subcanvas->is_inline())
throw Error(_("This layer doesn't belong to this canvas anymore"));
if(get_canvas()!=subcanvas)
throw Error(_("get_canvas()!=subcanvas"));
// Remove the layer from the old canvas
{
Action::Handle action(LayerRemove::create());
action->set_param("canvas",subcanvas);
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("layer",layer);
add_action(action);
}
// Add the layer to the new canvas
{
Action::Handle action(LayerAdd::create());
action->set_param("canvas",child_canvas);
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("new",layer);
add_action(action);
}
}
}