#ifdef _DEBUG
#define _STLP_DEBUG 1
#endif
#include "DeformationSelector.h"

using namespace ToonzExt;
using namespace std;

//-----------------------------------------------------------------------------

DeformationSelector::DeformationSelector()
{
}

//-----------------------------------------------------------------------------

DeformationSelector::~DeformationSelector()
{
}

//-----------------------------------------------------------------------------

DeformationSelector *
DeformationSelector::instance()
{
	static DeformationSelector singleton;
	return &singleton;
}

//-----------------------------------------------------------------------------

void DeformationSelector::add(StrokeDeformationImpl *deformation,
							  int priority)
{
	assert(deformation && "Not deformation available!!!");
	if (!deformation)
		return;
	Deformation val(deformation, priority);
	ref_.push_back(val);
}

//-----------------------------------------------------------------------------

StrokeDeformationImpl *
DeformationSelector::getDeformation(const ContextStatus *status)
{
	assert(status && "Not status available!!!");
	if (!status)
		return 0;

	Deformation candidate((StrokeDeformationImpl *)0, -1);

	// by default lower deformator is selected
	Deformation default_def((StrokeDeformationImpl *)0, -1);
	if (!ref_.empty())
		default_def = ref_[0];

	vector<Deformation>::iterator
		it,
		end = ref_.end();
	for (it = ref_.begin();
		 it != end;
		 ++it) {
		StrokeDeformationImpl
			*tmp = it->first;

		if (tmp->check(status)) {
			if (it->second >
				candidate.second) {
				candidate = *it;
				if (it->second < default_def.second)
					default_def = *it;
			}
		}
		if (tmp->getShortcutKey() ==
			status->key_event_) {
			return tmp;
		}
	}

	// if there is a good candidate return it
	if (candidate.first)
		return candidate.first;

	// else select a lower deformator (smooth)
	return default_def.first;
}

//-----------------------------------------------------------------------------
//  End Of File
//-----------------------------------------------------------------------------