#include "ZoomManager.h"

#include "config.h"
#include "common/SpdLogger.h"
#include "viewer/OsgViewUI.h"
#include "common/RecourceHelper.h"

ZoomManager::ZoomManager(void)
{
	zoom = 0.0;
	state = ZoomManager::DEFAULT;

	_canvasZoom = new	osgWidget::Canvas("Zoom");
	_canvasZoom->setOrigin(733, 350);
	_canvasZoom->getBackground()->setColor(0, 0, 0, 0);
	_canvasZoom->setVisibilityMode(osgWidget::Window::VM_ENTIRE);
	_canvasZoom->setStrata(osgWidget::Window::STRATA_FOREGROUND);

	const std::string texturePath = RecourceHelper::Get().GetResourcesPath().toStdString();
	_lessen = new ZoomWidget("lessen", 18, 20, texturePath + "/northarrow/zoom_down.png", "lessen", osgWidget::Widget::LAYER_TOP, this);
	_enlargement = new ZoomWidget("enlargement", 18, 20, texturePath + "/northarrow/zoom_up.png", "enlargement", osgWidget::Widget::LAYER_TOP, this);
	_zoomBackground = new BackGroundWidget("zoomBackground", 18, 144, texturePath + "/northarrow/zoomactive.png");
	_bar = new	ZoomWidget("bar", 17, 10, texturePath + "/northarrow/zoombar_norm.png", "bar", osgWidget::Widget::LAYER_TOP, this);
	_bar_ = new	BackGroundWidget("bar_", 18, 12, texturePath + "/northarrow/zoombar_norm_.png");
	_zoomBackground_shadow = new BackGroundWidget("background_shadow", 18, 144, texturePath + "/northarrow/zoombackground.png");

	_canvasZoom->addWidget(_lessen, 0, 0);
	_canvasZoom->addWidget(_enlargement, 0, 124);
	_canvasZoom->addWidget(_bar_, 0, 66);
	_canvasZoom->addWidget(_bar, 0, 67);
	_canvasZoom->addWidget(_zoomBackground, 0, 0);
	_canvasZoom->addWidget(_zoomBackground_shadow, 0, 0);
}

ZoomManager::~ZoomManager(void)
{
	delete	_canvasZoom;

	delete	_lessen;
	delete	_enlargement;
	delete	_zoomBackground;
	delete	_bar;
	delete	_bar_;
	delete  _zoomBackground_shadow;

}

void ZoomManager::ResetCanvasPosition(double x, double y)
{
	_canvasZoom->setOrigin(x - 100 + 33, y - 250);
	_canvasZoom->resize();
}

void ZoomManager::SendZoom()
{
	_zoomNum[0] = zoom;

	//emit signalZoom(QVariant(_zoomNum[0]));
}

void ZoomManager::AttachViewUI(OsgViewUI* ui) {
	dyt_check(nullptr != ui);

	ui->addChild(_canvasZoom);
}