/* === S Y N F I G ========================================================= */
/*! \file waypointset.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 "waypointset.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::WaypointSet);
ACTION_SET_NAME(Action::WaypointSet,"WaypointSet");
ACTION_SET_LOCAL_NAME(Action::WaypointSet,N_("Set Waypoint"));
ACTION_SET_TASK(Action::WaypointSet,"set");
ACTION_SET_CATEGORY(Action::WaypointSet,Action::CATEGORY_WAYPOINT);
ACTION_SET_PRIORITY(Action::WaypointSet,0);
ACTION_SET_VERSION(Action::WaypointSet,"0.0");
ACTION_SET_CVS_ID(Action::WaypointSet,"$Id$");
/* === 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::WaypointSet::WaypointSet()
{
set_dirty(true);
}
Action::ParamVocab
Action::WaypointSet::get_param_vocab()
{
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
.set_local_name(_("Destination ValueNode (Animated)"))
);
ret.push_back(ParamDesc("waypoint",Param::TYPE_WAYPOINT)
.set_local_name(_("Waypoint"))
.set_desc(_("Waypoint to be changed"))
.set_supports_multiple()
);
return ret;
}
bool
Action::WaypointSet::is_candidate(const ParamList &x)
{
return candidate_check(get_param_vocab(),x);
}
bool
Action::WaypointSet::set_param(const synfig::String& name, const Action::Param ¶m)
{
if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
{
value_node=ValueNode_Animated::Handle::cast_dynamic(param.get_value_node());
return static_cast<bool>(value_node);
}
if(name=="waypoint" && param.get_type()==Param::TYPE_WAYPOINT)
{
//NOTE: at the moment there is no error checking for multiple sets!!!
waypoints.push_back(param.get_waypoint());
return true;
}
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::WaypointSet::is_ready()const
{
if(!value_node || waypoints.empty())
return false;
return Action::CanvasSpecific::is_ready();
}
void
Action::WaypointSet::perform()
{
WaypointList::iterator iter;
#if 1
vector<WaypointList::iterator> iters;
vector<Waypoint>::iterator i = waypoints.begin(), end = waypoints.end();
for(; i != end; ++i)
{
try { iters.push_back(value_node->find(*i)); }
catch (const synfig::Exception::NotFound&)
{
throw Error(_("Unable to find waypoint"));
}
}
//check to see which valuenodes are going to override because of the time...
ValueNode_Animated::findresult timeiter;
for(i = waypoints.begin(); i != end; ++i)
{
timeiter = value_node->find_time(i->get_time());
bool candelete = timeiter.second;
//we only want to track overwrites (not waypoints that are also being modified)
if(candelete)
{
for(vector<WaypointList::iterator>::iterator ii = iters.begin(); ii != iters.end(); ++ii)
{
if(timeiter.first == *ii)
{
candelete = false;
break;
}
}
}
//if we can still delete it after checking, record it, and then remove them all later
if(candelete)
{
Waypoint w = *timeiter.first;
overwritten_waypoints.push_back(w);
}
}
//overwrite all the valuenodes we're supposed to set
{
i = waypoints.begin();
for(vector<WaypointList::iterator>::iterator ii = iters.begin(); ii != iters.end() && i != end; ++ii, ++i)
{
old_waypoints.push_back(**ii);
**ii = *i; //set the point to the corresponding point in the normal waypoint list
}
}
//remove all the points we're supposed to be overwriting
{
vector<Waypoint>::iterator oi = overwritten_waypoints.begin(),
oend = overwritten_waypoints.end();
for(; oi != oend; ++oi)
{
// possible earlier waypoints removed and added again, but for now
// we do not need to delete them, because we move them in rescaling function
// and that function cannot find waypoint to move
//value_node->erase(*oi);
}
}
#else
try { iter=value_node->find(waypoint); }
catch(synfig::Exception::NotFound)
{
throw Error(_("Unable to find waypoint"));
}
//find the value at the old time before we replace it
ValueNode_Animated::findresult timeiter;
timeiter = value_node->find_time(waypoint.get_time());
//we only want to track overwrites (not inplace modifications)
if(timeiter.second && waypoint.get_uid() == timeiter.first->get_uid())
{
timeiter.second = false;
}
//copy and overwrite
old_waypoint=*iter;
*iter=waypoint;
//if we've found a unique one then we need to erase it, but store it first
if(timeiter.second)
{
time_overwrite = true;
overwritten_wp = *timeiter.first;
value_node->erase(overwritten_wp);
}
#endif
// Signal that a valuenode has been changed
value_node->changed();
}
void
Action::WaypointSet::undo()
{
WaypointList::iterator iter;
#if 1
vector<Waypoint>::iterator i = old_waypoints.begin(), end = old_waypoints.end();
for(; i != end; ++i)
{
try { iter = value_node->find(*i); }
catch (const synfig::Exception::NotFound&)
{
throw Error(_("Unable to find waypoint"));
}
//overwrite with old one
*iter = *i;
}
//add back in all the points that we removed before...
{
vector<Waypoint>::iterator oi = overwritten_waypoints.begin(),
oend = overwritten_waypoints.end();
for(; oi != oend; ++oi)
{
value_node->add(*oi);
}
}
#else
try { iter=value_node->find(old_waypoint); }
catch(synfig::Exception::NotFound)
{
throw Error(_("Unable to find waypoint"));
}
*iter=old_waypoint;
if(time_overwrite)
{
value_node->add(overwritten_wp);
}
#endif
// Signal that a valuenode has been changed
value_node->changed();
}