X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=sidebyside;f=synfig-studio%2Ftrunk%2Fsrc%2Fsynfigapp%2Factions%2Fvaluenodereplace.cpp;fp=synfig-studio%2Ftrunk%2Fsrc%2Fsynfigapp%2Factions%2Fvaluenodereplace.cpp;h=ce0f0c15e597c84722854acc6bfe615350335f4f;hb=02252941b29de64037116f4d37991a38d9ff0d94;hp=0000000000000000000000000000000000000000;hpb=34f6fabfcefdc878ba3c08b82358ae4aef439e99;p=synfig.git

diff --git a/synfig-studio/trunk/src/synfigapp/actions/valuenodereplace.cpp b/synfig-studio/trunk/src/synfigapp/actions/valuenodereplace.cpp
new file mode 100644
index 0000000..ce0f0c1
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+++ b/synfig-studio/trunk/src/synfigapp/actions/valuenodereplace.cpp
@@ -0,0 +1,222 @@
+/* === S Y N F I G ========================================================= */
+/*!	\file valuenodereplace.cpp
+**	\brief Template File
+**
+**	$Id: valuenodereplace.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+**
+**	\legal
+**	Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+**	This software and associated documentation
+**	are CONFIDENTIAL and PROPRIETARY property of
+**	the above-mentioned copyright holder.
+**
+**	You may not copy, print, publish, or in any
+**	other way distribute this software without
+**	a prior written agreement with
+**	the copyright holder.
+**	\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>
+
+#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,"value_node_replace");
+ACTION_SET_LOCAL_NAME(Action::ValueNodeReplace,"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: valuenodereplace.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
+
+/* === 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)
+{
+	GUID old_a(a->get_guid());
+	a->set_guid(GUID());
+
+	GUID old_b(b->get_guid());
+	b->set_guid(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_canidate(const ParamList &x)
+{
+	return canidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::ValueNodeReplace::set_param(const synfig::String& name, const Action::Param &param)
+{
+	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);
+	
+	// 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_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");
+	
+}