/****************************************************************************
**
** Copyright (C) 2020 Minnesota Department of Transportation
** Office of Materials & Road Research
** 1400 Gervais Avenue
** Saint Paul, Minnesota 55109-2044
** USA
** http://www.dot.state.mn.us/app/pavecool
**
**
** $QT_BEGIN_LICENSE:GPL$
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** If you did not receive a copy of the GNU General Public License
** see http://www.gnu.org/licenses
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "pcfiledlg.h"
#include "ui_pcfiledlg.h"

pcFileDlg::pcFileDlg(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::pcFileDlg)
{
    ui->setupUi(this);
    tfilters << "*.xls" << "*.csv" << "*.txt" << "*.pc3" << "*.pdf";
}

pcFileDlg::~pcFileDlg()
{
    delete ui;
}

void pcFileDlg::updateView()
{
    tdisp = dispName(tdisp);
    ui->fileEdit->setText(tdisp);
    ui->dirLabel->setText(tdir);
    if(ntype > 2) // cs3 or pdf
    {
        ui->typeLabel->setHidden(true);
        ui->typeCombo->setHidden(true);
    }
    else ui->typeCombo->setCurrentIndex(ntype);
    tfilt.clear();
    tfilt << tfilters[ntype];
    pdir.setCurrent(tdir);
    pdir.setNameFilters(tfilt);
    pdir.setSorting(QDir::Name);
    if(bopen) ui->fileButtonBox->setStandardButtons(QDialogButtonBox::Open | QDialogButtonBox::Cancel);
    ui->fileList->clear();
    ui->fileList->addItems(pdir.entryList());
}

void pcFileDlg::on_fileEdit_textEdited(const QString &arg1)
{
    ttmp = arg1;
}

void pcFileDlg::on_fileEdit_editingFinished()
{
    if(!ttmp.isEmpty())
    {
        tdisp = dispName(ttmp);
        ui->fileEdit->setText(tdisp);
    }
}

void pcFileDlg::on_fileList_itemClicked(QListWidgetItem *item)
{
    tdisp = dispName(item->text());
    ui->fileEdit->setText(tdisp);
}

void pcFileDlg::on_fileButtonBox_clicked(QAbstractButton *button)
{
    tsave = tdir + "/" + tfilt[0];
    tsave = tsave.replace("*", tdisp);
    QFileInfo mInfo(tsave);

    if(button->text() == "Save" && mInfo.exists())
    {
        QMessageBox msg;
        msg.setText(mInfo.fileName() + " " + tr("already exists."));
        msg.setInformativeText(tr("Replace") + " " + mInfo.fileName() + "?");
        msg.setStandardButtons(QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
        msg.setDefaultButton(QMessageBox::No);
        int nret = msg.exec();
        if(nret == QMessageBox::Yes) accept();
        else if(nret == QMessageBox::Cancel) reject();
    }
    else if(button->text() != "Cancel") accept();
}

void pcFileDlg::on_typeCombo_currentIndexChanged(int index)
{
    ntype = index;
    updateView();
}

QString pcFileDlg::dispName(const QString &fName)
{// remove extension
    QString ttmp = fName;
    int nlen = ttmp.length();
    if(nlen > 4 && ttmp.at(nlen-4) == '.') ttmp = ttmp.left(nlen-4);
    return ttmp;
}