#include "toonzqt/functionkeyframenavigator.h"

// TnzQt includes
#include "toonzqt/framenavigator.h"

// TnzLib includes
#include "toonz/tframehandle.h"
#include "toonz/doubleparamcmd.h"

// TnzBase includes
#include "tdoubleparam.h"

// Qt includes
#include <QPushButton>
#include <QBoxLayout>
#include <QToolButton>
#include <QLabel>
#include <QAction>
#include <QIntValidator>

FunctionKeyframeNavigator::FunctionKeyframeNavigator(QWidget *parent)
	: KeyframeNavigator(parent)
{
}

void FunctionKeyframeNavigator::setCurve(TDoubleParam *curve)
{
	if (m_curve.getPointer() == curve)
		return;
	m_curve = curve;
	if (isVisible())
		update();
}

bool FunctionKeyframeNavigator::hasNext() const
{
	return m_curve && m_curve->getNextKeyframe(getCurrentFrame()) >= 0;
}

bool FunctionKeyframeNavigator::hasPrev() const
{
	return m_curve && m_curve->getPrevKeyframe(getCurrentFrame()) >= 0;
}

bool FunctionKeyframeNavigator::hasKeyframes() const
{
	return m_curve && m_curve->hasKeyframes();
}

bool FunctionKeyframeNavigator::isKeyframe() const
{
	return m_curve && m_curve->isKeyframe(getCurrentFrame());
}

void FunctionKeyframeNavigator::toggle()
{
	if (!m_curve)
		return;
	int frame = getCurrentFrame();
	double value = m_curve->getValue(frame);
	if (m_curve->isKeyframe(frame))
		KeyframeSetter::removeKeyframeAt(m_curve.getPointer(), frame);
	else {
		KeyframeSetter setter(m_curve.getPointer());
		setter.createKeyframe(frame);
	}
}

void FunctionKeyframeNavigator::goNext()
{
	if (!m_curve)
		return;
	int k = m_curve->getNextKeyframe(getCurrentFrame());
	if (k < 0)
		return;
	setCurrentFrame(m_curve->keyframeIndexToFrame(k));
}

void FunctionKeyframeNavigator::goPrev()
{
	if (!m_curve)
		return;
	int k = m_curve->getPrevKeyframe(getCurrentFrame());
	if (k < 0)
		return;
	setCurrentFrame(m_curve->keyframeIndexToFrame(k));
}

void FunctionKeyframeNavigator::showEvent(QShowEvent *e)
{
	KeyframeNavigator::showEvent(e);
}

void FunctionKeyframeNavigator::hideEvent(QHideEvent *e)
{
	KeyframeNavigator::hideEvent(e);
}