+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenodereplace.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 "valuenodereplace.h"
-#include <synfigapp/canvasinterface.h>
-
-#include <synfigapp/general.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::ValueNodeReplace);
-ACTION_SET_NAME(Action::ValueNodeReplace,"ValueNodeReplace");
-ACTION_SET_LOCAL_NAME(Action::ValueNodeReplace,N_("Replace ValueNode"));
-ACTION_SET_TASK(Action::ValueNodeReplace,"replace");
-ACTION_SET_CATEGORY(Action::ValueNodeReplace,Action::CATEGORY_VALUENODE|Action::CATEGORY_DRAG);
-ACTION_SET_PRIORITY(Action::ValueNodeReplace,0);
-ACTION_SET_VERSION(Action::ValueNodeReplace,"0.0");
-ACTION_SET_CVS_ID(Action::ValueNodeReplace,"$Id$");
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-void swap_guid(const ValueNode::Handle& a,const ValueNode::Handle& b)
-{
- synfig::GUID old_a(a->get_guid());
- a->set_guid(synfig::GUID());
-
- synfig::GUID old_b(b->get_guid());
- b->set_guid(synfig::GUID());
-
- a->set_guid(old_b);
- b->set_guid(old_a);
-}
-
-/* === M E T H O D S ======================================================= */
-
-Action::ValueNodeReplace::ValueNodeReplace():
- is_undoable(true)
-{
-}
-
-Action::ParamVocab
-Action::ValueNodeReplace::get_param_vocab()
-{
- ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
-
- ret.push_back(ParamDesc("dest",Param::TYPE_VALUENODE)
- .set_local_name(_("Destination ValueNode"))
- .set_desc(_("ValueNode to replaced"))
- );
-
- ret.push_back(ParamDesc("src",Param::TYPE_VALUENODE)
- .set_local_name(_("Source ValueNode"))
- .set_desc(_("ValueNode that will replace the destination"))
- );
-
- return ret;
-}
-
-bool
-Action::ValueNodeReplace::is_candidate(const ParamList &x)
-{
- return candidate_check(get_param_vocab(),x);
-}
-
-bool
-Action::ValueNodeReplace::set_param(const synfig::String& name, const Action::Param ¶m)
-{
- if(name=="dest" && param.get_type()==Param::TYPE_VALUENODE)
- {
- dest_value_node=param.get_value_node();
-
- return true;
- }
-
- if(name=="src" && param.get_type()==Param::TYPE_VALUENODE)
- {
- src_value_node=param.get_value_node();
-
- return true;
- }
-
- return Action::CanvasSpecific::set_param(name,param);
-}
-
-bool
-Action::ValueNodeReplace::is_ready()const
-{
- if(!dest_value_node || !src_value_node)
- return false;
- return Action::CanvasSpecific::is_ready();
-}
-
-void
-Action::ValueNodeReplace::perform()
-{
- set_dirty(true);
-
- if(dest_value_node == src_value_node)
- throw Error(_("Attempted to replace valuenode with itself"));
-
- if(dest_value_node->get_type() != src_value_node->get_type())
- throw Error(_("You cannot replace ValueNodes with different types!"));
-
- is_undoable=true;
-
- if(!src_value_node->is_exported())
- {
- src_value_node->set_id(dest_value_node->get_id());
- src_value_node->set_parent_canvas(dest_value_node->get_parent_canvas());
-
- ValueNode::RHandle value_node(src_value_node);
-
- if(!value_node.runique() && value_node.rcount()>1)
- is_undoable=false; // !!!
- }
- else
- is_undoable=false; // !!!
-
- if(!is_undoable)
- synfig::warning("ValueNodeReplace: Circumstances make undoing this action impossible at the current time. :(");
-
- ValueNode::RHandle value_node(dest_value_node);
-
- if(value_node.runique() || value_node.rcount()<=1)
- throw Error(_("Nothing to replace."));
-
- int replacements;
-
- replacements=value_node->replace(src_value_node);
- assert(replacements);
- if(!replacements)
- throw Error(_("Action Failure. This is a bug. Please report it."));
- swap_guid(dest_value_node,src_value_node);
-
- //src_value_node->parent_set.swap(dest_value_node->parent_set);
-
- // synfig::info(get_local_name()+_(": ")+strprintf(_("Replaced %d ValueNode instances"),replacements));
-
- // Signal that a layer has been inserted
- if(get_canvas_interface())
- {
- get_canvas_interface()->signal_value_node_replaced()(dest_value_node,src_value_node);
- }
- else synfig::warning("CanvasInterface not set on action");
-
-}
-
-void
-Action::ValueNodeReplace::undo()
-{
- if(!is_undoable)
- throw Error(_("This action cannot be undone under these circumstances."));
-
- set_dirty(true);
-
- if(dest_value_node == src_value_node)
- throw Error(_("Attempted to replace valuenode with itself"));
-
- if(dest_value_node->get_type() != src_value_node->get_type())
- throw Error(_("You cannot replace ValueNodes with different types!"));
-
- ValueNode::RHandle value_node(src_value_node);
-
- if(value_node.runique() || value_node.rcount()<=1)
- throw Error(_("Nothing to replace."));
-
- int replacements;
-
- replacements=value_node->replace(dest_value_node);
- assert(replacements);
- if(!replacements)
- throw Error(_("Action Failure. This is a bug. Please report it."));
- swap_guid(dest_value_node,src_value_node);
-
- //src_value_node->parent_set.swap(dest_value_node->parent_set);
-
- // synfig::info(get_local_name()+_(": (Undo) ")+strprintf(_("Replaced %d ValueNode instances"),replacements));
-
- src_value_node->set_id(String());
- src_value_node->set_parent_canvas(0);
-
- // Signal that a layer has been inserted
- if(get_canvas_interface())
- {
- get_canvas_interface()->signal_value_node_replaced()(src_value_node,dest_value_node);
- }
- else synfig::warning("CanvasInterface not set on action");
-
-}
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