#include "ohpPlugins/rateHistoMapWidget.h"

RateHistoMapWidget::RateHistoMapWidget(QWidget* parent,const char* name):
	QWidget(parent,name),parent(parent),thisWidgetsName(name)
{
	QWidget::setMinimumSize(800,600);
	
	m_topLayout = new QVBoxLayout(this,0,1,"topLayout");
	
	m_canvasWidget = new TQtWidget(this,"canvasWidget");
	m_topLayout->addWidget(m_canvasWidget,1);
	
}

RateHistoMapWidget::~RateHistoMapWidget(void){

}


void RateHistoMapWidget::DisplayHistogram(void){
	
	TFile* file = new TFile("plots.root","READONLY");
	
	// Get a list of keys that reference the histograms in this file
	TList* keyList = file->GetListOfKeys();
	if(keyList->GetEntries() == 0){
		std::cerr << "[RateHistoMapWidget::DisplayHistogram]: ERROR reading key list.\n";
		return;
	}
	
	unsigned int key = 0;
	TKey* histoKey = (TKey*)keyList->At(key);
	TH2* histo = (TH2*)histoKey->ReadObj();
	
	m_canvasWidget->GetCanvas()->cd();
	
	histo->Draw("colz");
	
	m_canvasWidget->GetCanvas()->Update();
	
	
}