/* === S Y N F I G ========================================================= */

/*!	\file valuenodedynamiclistloop.cpp

**	\brief Template File

**

**	$Id$

**

**	\legal

**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley

**	Copyright (c) 2008 Chris Moore

**	Copyright (c) 2012 Carlos Lรณpez

**

**	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></config.h>

#endif

#include <synfig general.h=""></synfig>

#include "valuenodedynamiclistloop.h"

#include <synfigapp canvasinterface.h=""></synfigapp>

#include <synfigapp localization.h=""></synfigapp>

#include <synfig valuenode_composite.h="" valuenodes=""></synfig>

#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::ValueNodeDynamicListLoop);

ACTION_SET_NAME(Action::ValueNodeDynamicListLoop,"ValueNodeDynamicListLoop");

ACTION_SET_LOCAL_NAME(Action::ValueNodeDynamicListLoop,N_("Loop"));

ACTION_SET_TASK(Action::ValueNodeDynamicListLoop,"loop");

ACTION_SET_CATEGORY(Action::ValueNodeDynamicListLoop,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE);

ACTION_SET_PRIORITY(Action::ValueNodeDynamicListLoop,0);

ACTION_SET_VERSION(Action::ValueNodeDynamicListLoop,"0.0");

ACTION_SET_CVS_ID(Action::ValueNodeDynamicListLoop,"$Id$");

/* === 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::ValueNodeDynamicListLoop::ValueNodeDynamicListLoop():

	old_loop_value()

{ }

Action::ParamVocab

Action::ValueNodeDynamicListLoop::get_param_vocab()

{

	ParamVocab ret(Action::CanvasSpecific::get_param_vocab());

	ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)

		.set_local_name(_("ValueNode"))

	);

	return ret;

}

bool

Action::ValueNodeDynamicListLoop::is_candidate(const ParamList &x)

{

	if (!candidate_check(get_param_vocab(),x))

		return false;

	ValueNode::Handle value_node;

	ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());

	if(value_desc.parent_is_value_node())

	{

		value_node = value_desc.get_parent_value_node();

		// let's check if the parent is a composite (if user clicked on tangent duck)

		if(ValueNode_Composite::Handle::cast_dynamic(value_node))

		{

			ValueNode_Composite::Handle compo(ValueNode_Composite::Handle::cast_dynamic(value_node));

			ValueNode_BLine::Handle bline=NULL;

			std::set<node*>::iterator iter;</node*>

			// now check if the grand parent is a dynamic list 'bline' type

			for(iter=compo->parent_set.begin();iter!=compo->parent_set.end();++iter)

				{

					bline=ValueNode_BLine::Handle::cast_dynamic(*iter);

					if(bline)

						break;

				}

			if(bline)

				value_node=bline;

		}

	}

	else

		value_node = x.find("value_node")->second.get_value_node();

	// We need a dynamic list.

	return (ValueNode_DynamicList::Handle::cast_dynamic(value_node) &&

			// We need the list not to be looped.

			!ValueNode_DynamicList::Handle::cast_dynamic(value_node)->get_loop());

}

bool

Action::ValueNodeDynamicListLoop::set_param(const synfig::String& name, const Action::Param ¶m)

{

	if(!value_node && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)

	{

		ValueDesc value_desc(param.get_value_desc());

		if(!value_desc.parent_is_value_node())

			return false;

		// Let's check if it is a dynamic list

		value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());

		if (!value_node)

		{

			// we didn't found a dynamic list, let's check whether the parent is a composite

			if(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_parent_value_node()))

			{

				ValueNode_Composite::Handle compo(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_parent_value_node()));

				ValueNode_BLine::Handle bline=NULL;

				std::set<node*>::iterator iter;</node*>

				// now check if the grand parent is a 'bline' type

				for(iter=compo->parent_set.begin();iter!=compo->parent_set.end();++iter)

					{

						bline=ValueNode_BLine::Handle::cast_dynamic(*iter);

						if(bline)

							break;

					}

				if(bline)

					value_node=bline;

			}

		}

		if(!value_node)

			return false;

		return true;

	}

	if(!value_node && name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)

	{

		value_node=ValueNode_DynamicList::Handle::cast_dynamic(param.get_value_node());

		if(!value_node)

			return false;

		return true;

	}

	return Action::CanvasSpecific::set_param(name,param);

}

bool

Action::ValueNodeDynamicListLoop::is_ready()const

{

	if(!value_node)

		return false;

	return Action::CanvasSpecific::is_ready();

}

void

Action::ValueNodeDynamicListLoop::perform()

{

	old_loop_value=value_node->get_loop();

	if(old_loop_value==true)

	{

		set_dirty(false);

		return;

	}

	set_dirty(true);

	value_node->set_loop(true);

	value_node->changed();

}

void

Action::ValueNodeDynamicListLoop::undo()

{

	if(old_loop_value==value_node->get_loop())

	{

		set_dirty(false);

		return;

	}

	set_dirty(true);

	value_node->set_loop(old_loop_value);

	value_node->changed();

}