AbstractExportAnalysisDialog.cpp

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//SpikeStream includes
#include "AbstractExportAnalysisDialog.h"
#include "Globals.h"
#include "SpikeStreamException.h"
using namespace spikestream;

//Qt includes
#include <QDebug>
#include <QFile>
#include <QFileDialog>
#include <QLayout>
#include <QLabel>
#include <QMessageBox>
#include <QPushButton>
#include <QTextStream>


AbstractExportAnalysisDialog::AbstractExportAnalysisDialog(const QString& analysisName, QWidget* parent) : QDialog(parent){
        //Store name
        this->analysisName = analysisName;

        //Create layouts
        QVBoxLayout* mainVerticalBox = new QVBoxLayout(this);
        QGridLayout* gridLayout = new QGridLayout();
        gridLayout->setMargin(10);

        //Add the file selection components
        gridLayout->addWidget(new QLabel("File: "), 0, 0);
        fileLineEdit = new QLineEdit();
        fileLineEdit->setMinimumSize(250, 30);
        gridLayout->addWidget(fileLineEdit, 0, 1);
        QPushButton* fileButt = new QPushButton("Browse");
        connect (fileButt, SIGNAL(clicked()), this, SLOT(getFile()));
        gridLayout->addWidget(fileButt, 0, 2);

        //Add the export type selection combo
        gridLayout->addWidget(new QLabel("Export type: "), 1, 0);
        exportTypeCombo = new QComboBox();
        exportTypeCombo->addItem("Tab separated fields");
        gridLayout->addWidget(exportTypeCombo, 1, 1);

        //Add the grid layout to the dialog
        mainVerticalBox->addLayout(gridLayout);

        //Add Ok and Cancel buttons
        QHBoxLayout *okCanButtonBox = new QHBoxLayout();
        QPushButton *okPushButton = new QPushButton("Ok");
        connect(okPushButton, SIGNAL(clicked()), this, SLOT(okButtonClicked()));
        QPushButton *cancelPushButton = new QPushButton("Cancel");
        connect(cancelPushButton, SIGNAL(clicked()), this, SLOT(reject()));
        okCanButtonBox->addWidget(okPushButton);
        okCanButtonBox->addWidget(cancelPushButton);
        mainVerticalBox->addLayout(okCanButtonBox);
}


AbstractExportAnalysisDialog::~AbstractExportAnalysisDialog(){
}


/*----------------------------------------------------------*/
/*-----                  PRIVATE SLOTS                 -----*/
/*----------------------------------------------------------*/

void AbstractExportAnalysisDialog::okButtonClicked(){
        //Check file has been entered
        if(fileLineEdit->text().isEmpty()){
                qCritical()<<"No file selected for saving.";
                return;
        }

        if(!Globals::isAnalysisLoaded(analysisName)){
                qCritical()<<"No analysis loaded; nothing to export.";
                return;
        }

        //If file exists, check to see if user wants to overwrite file
        if(QFile::exists(fileLineEdit->text())){
                int response = QMessageBox::warning(this, "Overwrite File?", fileLineEdit->text() + " already exists.\nAre you sure that you want to overwrite it?", QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Cancel);
                if(response != QMessageBox::Ok)
                        return;
        }

        try{
                switch(exportTypeCombo->currentIndex()){
                        case 0: exportCommaSeparated(fileLineEdit->text());
                        break;
                        default: throw SpikeStreamException("Export type not recognized.");
                }
        }
        catch(SpikeStreamException& ex){
                qCritical()<<ex.getMessage();
        }

        //If we have reached this point, info should be ok
        accept();
}


void AbstractExportAnalysisDialog::getFile(){
        QString filePath = getFilePath("*.dat");

        //Fix extension
        if(filePath.indexOf(".") == -1)
                fileLineEdit->setText(filePath + ".dat");
        else
                fileLineEdit->setText(filePath);
}


/*----------------------------------------------------------*/
/*-----                PRIVATE METHODS                 -----*/
/*----------------------------------------------------------*/

QString AbstractExportAnalysisDialog::getFilePath(QString fileFilter){
        QFileDialog dialog(this);
        dialog.setDirectory(Globals::getWorkingDirectory());
        dialog.setFileMode(QFileDialog::AnyFile);
        dialog.setNameFilter( QString("Data files (" + fileFilter + ")") );
        dialog.setViewMode(QFileDialog::Detail);
        QStringList fileNames;
        if (dialog.exec())
                fileNames = dialog.selectedFiles();
        if(fileNames.size() > 0)
                return fileNames[0];
        else
                return QString("");
}