RecentFilesDialog.cpp

/*
 * Marvelous OTF2 Traces Interactive Visualizer (MOTIV)
 * Copyright (C) 2023 Florian Gallrein, Björn Gehrke
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "RecentFilesDialog.hpp"
 
#include <QPushButton>
#include <QFileDialog>
#include <QVBoxLayout>
#include <QSettings>
#include <QListView>
#include <QStringListModel>
#include <QLabel>
 
#include "src/models/AppSettings.hpp"
#include "Otf2FileDialog.hpp"
 
RecentFilesDialog::RecentFilesDialog(QString *dest) : dest(dest) {
    auto layout = new QVBoxLayout;
    layout->setAlignment(Qt::AlignTop);
    this->setLayout(layout);
 
    auto pushButton = new QPushButton;
    pushButton->setText(tr("&Open"));
    layout->addWidget(pushButton);
 
    auto fileDialog = new Otf2FileDialog(this);
 
    QObject::connect(pushButton, &QPushButton::clicked, fileDialog, &Otf2FileDialog::exec);
    QObject::connect(fileDialog, &QFileDialog::fileSelected,  [this](const QString &selectedFile){
        if (!selectedFile.isEmpty()) {
            AppSettings::getInstance().recentlyOpenedFilesPush(selectedFile);
            *this->dest = selectedFile;
            this->accept();
        }
    });
 
    auto label = new QLabel(QObject::tr("Recently opened files:"));
    layout->addWidget(label);
 
    auto recentlyOpenedFiles = AppSettings::getInstance().recentlyOpenedFiles();
 
    if(recentlyOpenedFiles.isEmpty()) {
        auto listEmptyLabel = new QLabel(QObject::tr("No recent files"));
        listEmptyLabel->setStyleSheet("QLabel { color : gray; }");
        layout->addWidget(listEmptyLabel);
    } else {
        auto listView = new QListView;
        listView->setEditTriggers(QListView::NoEditTriggers);
        layout->addWidget(listView);
 
        auto stringListModel = new QStringListModel;
        stringListModel->setStringList(recentlyOpenedFiles);
        listView->setModel(stringListModel);
 
        connect(listView, &QAbstractItemView::doubleClicked, [this](const QModelIndex &idx){
           *this->dest = idx.data().toString();
           this->accept();
        });
 
//        auto clearButton = new QPushButton(tr("&Clear"));
//        layout->addWidget(clearButton);
//        connect(clearButton, &QPushButton::clicked, [] {
//            AppSettings::getInstance().recentlyOpenedFilesClear();
//        });
    }
}