#include "CompositeHandle.h"
#include "CompositeWidgetManager.h"
#include <iostream>


CompositeHandle::CompositeHandle(CompositeWidgetManager* cw) :_cw(cw), 
_operate(cw->GetcanvasO()),
_N(cw->GetcanvasN()),
_light(cw->GetcanvasFX()),
_background(cw->GetcanvasBackGround()),
_num(0),
_move(false)
{
}

CompositeHandle::~CompositeHandle(void)
{
}


bool CompositeHandle::handle(const osgGA::GUIEventAdapter&ea, osgGA::GUIActionAdapter& aa)
{
	if (_num != 0)
	{
		_cw->_local_y = sin(_angle);
		_cw->_local_x = cos(_angle);

		_angle = _angle + _num;
		_cw->SendPosition();

		if ((_num >= 0 && _angle >= osg::PI_2) || (_num < 0 && _angle < osg::PI_2))
		{
			_cw->_local_y = sin(osg::PI_2);
			_cw->_local_x = cos(osg::PI_2);

			_cw->SendPosition();

			_num = 0;
			_cw->_autoHome = false; 
			_cw->_N = false;
		}
		return false;
	}
	else
	{
		switch (ea.getEventType())
		{
		case osgGA::GUIEventAdapter::DRAG:
		{
			if (_cw->_state == CompositeWidgetManager::MOUSE_DRAG)
			{
				_cw->SendPosition();
			}
			break;
		}
		case osgGA::GUIEventAdapter::PUSH:
		{
			_cw->_N = false;

			break;
		}
		case osgGA::GUIEventAdapter::DOUBLECLICK:
		{
			if (_cw->_N == true)
			{
				_num = (45 - _N->getRotate())*osg::PI / (100 * 180);

				if (_num != 0)
				{
					_angle = (_N->getRotate() - 45)*osg::PI / 180 + osg::PI_2;

					_cw->_autoHome = true;
				}
				return true;
			}
			else if (ea.getX() >= _cw->_center_x - 42 &&
				ea.getX() < _cw->_center_x + 42 &&
				ea.getY() > _cw->_center_y - 42 &&
				ea.getY() < _cw->_center_y + 42)
			{
				return true;
			}

			break;
		}
		default:
			break;
		}

		switch (_cw->_state)
		{
		case CompositeWidgetManager::MOUSE_PUSH:
		{
			if (_cw->_N != true || _cw->_autoHome == false)
			{
				_cw->SendPosition();

				if (_cw->_local_y < 0)
				{
					if (_cw->_local_x > 0)
					{
						_light->setRotate(45 - (180 - 90 * asinf(_cw->_local_x / sqrtf(_cw->_local_x*_cw->_local_x + _cw->_local_y*_cw->_local_y)) / osg::PI_2));
					}
					else 
					{
						_light->setRotate(45 - (-180 - 90 * asinf(_cw->_local_x / sqrtf(_cw->_local_x*_cw->_local_x + _cw->_local_y*_cw->_local_y)) / osg::PI_2));
					}
				}
				else 
				{
					_light->setRotate(45 - 90 * asinf(_cw->_local_x / sqrtf(_cw->_local_x*_cw->_local_x + _cw->_local_y*_cw->_local_y)) / osg::PI_2);
				}

				_light->getByName("light")->setColor(1, 1, 1, 0.5); 
				_light->resize();
			}
			break;
		}
		case CompositeWidgetManager::MOUSE_RELEASE:
		{
			_cw->_state = CompositeWidgetManager::DEFAULT;

			_light->getByName("light")->setColor(1, 1, 1, 0);
			break;
		}
		case CompositeWidgetManager::MOUSE_DRAG:
		{
			break;
		}
		default:
		{
			if (ea.getX() > _cw->_center_x - 50 &&
				ea.getY() > _cw->_center_y - 200)
			{
				if (_cw->_center == 1)
				{
					_operate->getByName("center")->setColor(1, 1, 1, 1);
				}
				_background->getByName("backGround4")->setColor(1, 1, 1, 1);
			}
			else {
				if (_cw->_center == 1)
				{
					_operate->getByName("center")->setColor(1, 1, 1, 0.1);
				}
				_background->getByName("backGround4")->setColor(1, 1, 1, 0);
			}
		}
		break;
		}
	}
	return false;
}