/* === S Y N F I G ========================================================= */
/*! \file valuenodelinkdisconnect.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 "valuenodelinkdisconnect.h"
#include <synfigapp/canvasinterface.h>
#include <synfig/valuenodes/valuenode_const.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::ValueNodeLinkDisconnect);
ACTION_SET_NAME(Action::ValueNodeLinkDisconnect,"ValueNodeLinkDisconnect");
ACTION_SET_LOCAL_NAME(Action::ValueNodeLinkDisconnect,N_("Disconnect ValueNode Link"));
ACTION_SET_TASK(Action::ValueNodeLinkDisconnect,"disconnect");
ACTION_SET_CATEGORY(Action::ValueNodeLinkDisconnect,Action::CATEGORY_VALUENODE);
ACTION_SET_PRIORITY(Action::ValueNodeLinkDisconnect,0);
ACTION_SET_VERSION(Action::ValueNodeLinkDisconnect,"0.0");
ACTION_SET_CVS_ID(Action::ValueNodeLinkDisconnect,"$Id$");
/* === 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::ValueNodeLinkDisconnect::ValueNodeLinkDisconnect():
index(-1), // Initially set it to negative one so that we know when it has changed
time(0)
{
}
Action::ParamVocab
Action::ValueNodeLinkDisconnect::get_param_vocab()
{
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
ret.push_back(ParamDesc("parent_value_node",Param::TYPE_VALUENODE)
.set_local_name(_("Parent ValueNode"))
);
ret.push_back(ParamDesc("index",Param::TYPE_INTEGER)
.set_local_name(_("Index"))
);
ret.push_back(ParamDesc("time",Param::TYPE_TIME)
.set_local_name(_("Time"))
.set_optional()
);
return ret;
}
bool
Action::ValueNodeLinkDisconnect::is_candidate(const ParamList &x)
{
return candidate_check(get_param_vocab(),x);
}
bool
Action::ValueNodeLinkDisconnect::set_param(const synfig::String& name, const Action::Param ¶m)
{
if(name=="parent_value_node" && param.get_type()==Param::TYPE_VALUENODE)
{
parent_value_node=LinkableValueNode::Handle::cast_dynamic(param.get_value_node());
return static_cast<bool>(parent_value_node);
}
if(name=="index" && param.get_type()==Param::TYPE_INTEGER)
{
index=param.get_integer();
return true;
}
if(name=="time" && param.get_type()==Param::TYPE_TIME)
{
time=param.get_time();
return true;
}
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::ValueNodeLinkDisconnect::is_ready()const
{
if(!parent_value_node || index==-1)
return false;
return Action::CanvasSpecific::is_ready();
}
void
Action::ValueNodeLinkDisconnect::perform()
{
if(parent_value_node->link_count()<=index)
throw Error(_("Bad index, too big. LinkCount=%d, Index=%d"),parent_value_node->link_count(),index);
old_value_node=parent_value_node->get_link(index);
if(!parent_value_node->set_link(index,ValueNode_Const::create((*old_value_node)(time))))
throw Error(_("Parent would not accept link"));
/*
if(get_canvas()->get_time()!=time)
set_dirty(true);
else
set_dirty(false);
if(get_canvas_interface())
{
get_canvas_interface()->signal_value_node_changed()(parent_value_node);
}
*/
}
void
Action::ValueNodeLinkDisconnect::undo()
{
if(parent_value_node->link_count()<=index)
throw Error(_("Bad index, too big. LinkCount=%d, Index=%d"),parent_value_node->link_count(),index);
if(!parent_value_node->set_link(index,old_value_node))
throw Error(_("Parent would not accept old link"));
/*if(get_canvas()->get_time()!=time)
set_dirty(true);
else
set_dirty(false);
if(get_canvas_interface())
{
get_canvas_interface()->signal_value_node_changed()(parent_value_node);
}*/
}