/*
 * qCloneWidget.cpp
 *
 *  Created on: May 18, 2012
 *      Author: l_maliakal_d
 */

/** Qt Project Class Headers */
#include "qCloneWidget.h"
#include "qDefs.h"
#include "SlsQt1DPlot.h"
#include "SlsQt2DPlotLayout.h"
/** Qt Include Headers */
#include <QImage>
#include <QPainter>
#include <QFileDialog>
/** C++ Include Headers */
#include <iostream>
using namespace std;


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

qCloneWidget::qCloneWidget(QWidget *parent,int id,QString title,int numDim,SlsQt1DPlot*& plot1D,SlsQt2DPlotLayout*& plot2D,string FilePath):
		QMainWindow(parent),id(id),filePath(FilePath){
	/** Window title*/
	char winTitle[300],currTime[50];
	strcpy(currTime,GetCurrentTimeStamp());
	sprintf(winTitle,"Snapshot:%d  -  %s",id,currTime);
	setWindowTitle(QString(winTitle));

	/** Set up widget*/
	SetupWidgetWindow(title,numDim,plot1D,plot2D);
}

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

qCloneWidget::~qCloneWidget(){
	delete cloneplot1D;
	delete cloneplot2D;
	delete cloneBox;
	delete boxSave;
}

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

void qCloneWidget::SetupWidgetWindow(QString title,int numDim,SlsQt1DPlot*& plot1D,SlsQt2DPlotLayout*& plot2D){

	 menubar = new QMenuBar(this);
	 //menuFile = new QMenu("&File",menubar);
	 actionSave = new QAction("&Save",this);
	// menubar->addAction(menuFile->menuAction());
	 menubar->addAction(actionSave);
	 setMenuBar(menubar);


	/** Main Window Layout */
	 QWidget *centralWidget = new QWidget(this);
	 mainLayout = new QGridLayout(centralWidget);
	 centralWidget->setLayout(mainLayout);

	/** plot group box*/
	cloneBox = new QGroupBox(this);
	gridClone = new QGridLayout(cloneBox);
	cloneBox->setLayout(gridClone);
	cloneBox->setContentsMargins(0,0,0,0);
		cloneBox->setTitle(title);
		cloneBox->setAlignment(Qt::AlignHCenter);
		cloneBox->setFont(QFont("Sans Serif",11,QFont::Bold));
	/** According to dimensions, create appropriate 1D or 2Dplot */
	if(numDim==1){
		cloneplot1D = plot1D;
		gridClone->addWidget(cloneplot1D,0,0);
		cloneBox->setFlat(false);
		cloneBox->setContentsMargins(0,30,0,0);

	}else{
		cloneplot2D = plot2D;
		//cloneplot2D->setContentsMargins(0,0,0,0);
		gridClone->addWidget(cloneplot2D,0,0);
		cloneBox->setFlat(true);
		cloneBox->setContentsMargins(0,5,0,0);
	}

	/** Save group box */
/*
	boxSave = new QGroupBox("Save Image",this);
	boxSave->setFixedHeight(45);
	boxSave->setContentsMargins(0,8,0,0);
    layoutSave = new QHBoxLayout;
    boxSave->setLayout(layoutSave);
    	* Label file name
        lblFName = new QLabel("File Name:",this);
        layoutSave->addWidget(lblFName);
        * To get 0 spacing between the next 2 widgets file name and file format
        hLayoutSave = new QHBoxLayout();
        layoutSave->addLayout(hLayoutSave);
        	hLayoutSave->setSpacing(0);
        	* file name
        	dispFName = new QLineEdit(this);
        	dispFName->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
        	hLayoutSave->addWidget(dispFName);
        	* file format
        	comboFormat = new QComboBox(this);
        	comboFormat->setFrame(true);
        	comboFormat->addItem(".gif");
        	comboFormat->addItem(".pdf");
	    	comboFormat->addItem(".png");
	    	comboFormat->addItem(".gif+");
	    	comboFormat->addItem(".jpg");
	    	comboFormat->addItem(".ps");
	    	comboFormat->addItem(".eps");
	    	comboFormat->addItem(".xpm");
	    	comboFormat->addItem(".C");
	    	hLayoutSave->addWidget(comboFormat);
	    * save button
	    btnSave = new QPushButton("Save",this);
	    btnSave->setFocusPolicy(Qt::NoFocus);
	    layoutSave->addWidget(btnSave);
	    * automatic file name check box
	    chkAutoFName = new QCheckBox("Automatic File Name",this);
	    layoutSave->addWidget(chkAutoFName);
	    * automatic save all check box
	    chkSaveAll = new QCheckBox("Save All",this);
	    layoutSave->addWidget(chkSaveAll);
*/

	/** main window widgets */
	//mainLayout->addWidget(boxSave,0,0);
	mainLayout->addWidget(cloneBox,1,0);
	setCentralWidget(centralWidget);

	/** Save */
	connect(actionSave,SIGNAL(triggered()),this,SLOT(SavePlot()));
		//connect(btnSave, SIGNAL(clicked()),	this, SLOT(SavePlot()));

	setMinimumHeight(300);
	resize(500,350);
}

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

void qCloneWidget::SetCloneHists(int nHists,int histNBins,double* histXAxis,double* histYAxis[],string histTitle[]){
	/** for each plot*/
	for(int hist_num=0;hist_num<nHists;hist_num++){
		/** create hists */
		SlsQtH1D*  k;
		if(hist_num+1>cloneplot1D_hists.size()){
			cloneplot1D_hists.append(k=new SlsQtH1D("1d plot",histNBins,histXAxis,histYAxis[hist_num]));
			k->SetLineColor(hist_num+1);
		}else{
			k=cloneplot1D_hists.at(hist_num);
			k->SetData(histNBins,histXAxis,histYAxis[hist_num]);
		}
		k->setTitle(histTitle[hist_num].c_str());
		k->Attach(cloneplot1D);
	}
	//cloneplot1D->UnZoom();
}
//-------------------------------------------------------------------------------------------------------------------------------------------------

char* qCloneWidget::GetCurrentTimeStamp(){
	char output[30];
	char *result;

	//using sys cmds to get output or str
	FILE* sysFile = popen("date", "r");
	fgets(output, sizeof(output), sysFile);
	pclose(sysFile);

	result = output + 0;
	return result;
}

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

void qCloneWidget::SavePlot(){
	//QString fName = QString(filePath.c_str())+'/'+dispFName->text()+comboFormat->currentText();
	char cID[10];
	sprintf(cID,"%d",id);
	QString fName = QString(filePath.c_str())+"/Snapshot_"+QString(cID)+".png";
	QImage img(cloneBox->size().width(),cloneBox->size().height(),QImage::Format_RGB32);
	QPainter painter(&img);
	cloneBox->render(&painter);

    fName = QFileDialog::getSaveFileName(this,tr("Save Snapshot "),
    		fName,tr("Images (*.png *.xpm *.jpg)"));
    if (!fName.isEmpty())
    	if(!(img.save(fName)))
    		qDefs::ErrorMessage("ERROR: Attempt to save snapshot failed","Snapshot: WARNING");
}

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

void qCloneWidget::closeEvent(QCloseEvent* event){
	emit CloneClosedSignal(id);
	event->accept();
}

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