/* === S Y N F I G ========================================================= */
/*! \file layermove.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 <synfig/general.h>
#include "layermove.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::LayerMove);
ACTION_SET_NAME(Action::LayerMove,"LayerMove");
ACTION_SET_LOCAL_NAME(Action::LayerMove,N_("Move Layer"));
ACTION_SET_TASK(Action::LayerMove,"move");
ACTION_SET_CATEGORY(Action::LayerMove,Action::CATEGORY_LAYER);
ACTION_SET_PRIORITY(Action::LayerMove,0);
ACTION_SET_VERSION(Action::LayerMove,"0.0");
ACTION_SET_CVS_ID(Action::LayerMove,"$Id$");
/* === G L O B A L S ======================================================= */
// static const int nindex=-1;
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
Action::LayerMove::LayerMove():
old_index(),
new_index(0xdeadbeef) // Dead beef? LOL
{ }
synfig::String
Action::LayerMove::get_local_name()const
{
if (layer)
return strprintf("%s '%s'", _("Move Layer"), layer->get_non_empty_description().c_str());
else
return _("Move Layer");
}
Action::ParamVocab
Action::LayerMove::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 moved"))
);
ret.push_back(ParamDesc("new_index",Param::TYPE_INTEGER)
.set_local_name(_("New Index"))
.set_desc(_("Where the layer is to be moved to"))
);
ret.push_back(ParamDesc("dest_canvas",Param::TYPE_CANVAS)
.set_local_name(_("Destination Canvas"))
.set_desc(_("The canvas the layer is to be moved to"))
.set_optional()
);
return ret;
}
bool
Action::LayerMove::is_candidate(const ParamList &x)
{
return candidate_check(get_param_vocab(),x);
}
bool
Action::LayerMove::set_param(const synfig::String& name, const Action::Param ¶m)
{
if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
{
layer=param.get_layer();
return true;
}
if(name=="new_index" && param.get_type()==Param::TYPE_INTEGER)
{
new_index=param.get_integer();
return true;
}
if(name=="dest_canvas" && param.get_type()==Param::TYPE_CANVAS)
{
dest_canvas=param.get_canvas();
return true;
}
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::LayerMove::is_ready()const
{
// synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
if(!layer || (unsigned)new_index==0xdeadbeef)
return false;
return Action::CanvasSpecific::is_ready();
}
void
Action::LayerMove::perform()
{
// synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
Canvas::Handle subcanvas(layer->get_canvas());
src_canvas=subcanvas;
if(!dest_canvas)
dest_canvas=subcanvas;
// Find the iterator for the layer
Canvas::iterator iter = subcanvas->find_index(layer, old_index);
if (*iter != layer)
throw Error(_("This layer doesn't exist anymore."));
// synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
// 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())
if(get_canvas()->get_root()!=dest_canvas->get_root() || get_canvas()->get_root()!=src_canvas->get_root())
throw Error(_("You cannot directly move layers across compositions"));
int depth = new_index < 0
? dest_canvas->size() + new_index + 1
: new_index;
set_dirty(layer->active());
// synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
// If we were to move it to where it is
if(old_index==depth && src_canvas==dest_canvas)
return;
if(depth>dest_canvas->size())
depth=dest_canvas->size();
if(depth<0)
depth=0;
src_canvas->erase(iter);
dest_canvas->insert(dest_canvas->byindex(depth), layer);
layer->set_canvas(dest_canvas);
layer->changed();
dest_canvas->changed(); if(dest_canvas!=src_canvas) src_canvas->changed();
// synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
if(get_canvas_interface())
{
if(src_canvas==dest_canvas)
{
if(new_index==old_index-1) // Raise
get_canvas_interface()->signal_layer_raised()(layer);
else if(new_index==old_index+1) // Lower
get_canvas_interface()->signal_layer_lowered()(layer);
else // Moved
{
get_canvas_interface()->signal_layer_moved()(layer,depth,dest_canvas);
}
}
else
{
get_canvas_interface()->signal_layer_moved()(layer,depth,dest_canvas);
}
}
else synfig::warning("CanvasInterface not set on action");
// synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
}
void
Action::LayerMove::undo()
{
// Find the iterator for the layer
int index = -1;
Canvas::iterator iter=dest_canvas->find_index(layer, index);
// If we couldn't find the layer in the canvas, then bail
if(*iter!=layer || (get_canvas()!=dest_canvas && !dest_canvas->is_inline()))
throw Error(_("This layer doesn't exist anymore."));
// If we were to move it to where it is
if(old_index==new_index && src_canvas==dest_canvas)
return;
// Mark ourselves as dirty if necessary
set_dirty(layer->active());
dest_canvas->erase(iter);
src_canvas->insert(src_canvas->byindex(old_index), layer);
layer->set_canvas(src_canvas);
layer->changed();
dest_canvas->changed(); if(dest_canvas!=src_canvas) src_canvas->changed();
// Execute any signals
if(get_canvas_interface())
{
if(src_canvas==dest_canvas)
{
if(new_index==old_index+1) // Raise
get_canvas_interface()->signal_layer_raised()(layer);
else if(new_index==old_index-1) // Lower
get_canvas_interface()->signal_layer_lowered()(layer);
else // Moved
{
get_canvas_interface()->signal_layer_moved()(layer,old_index,src_canvas);
}
}
else
{
get_canvas_interface()->signal_layer_moved()(layer,old_index,src_canvas);
//get_canvas_interface()->signal_layer_removed()(layer);
//get_canvas_interface()->signal_layer_inserted()(layer,old_index);
}
}
else synfig::warning("CanvasInterface not set on action");
}