ecvRecentFiles.cpp

Go to the documentation of this file.

// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "ecvRecentFiles.h"
 
#include "MainWindow.h"
#include "ecvPersistentSettings.h"
#include "ecvSettingManager.h"
 
// QT
#include <QAction>
#include <QDir>
#include <QFile>
#include <QMenu>
#include <QString>
#include <QStringList>
 
QString ecvRecentFiles::s_settingKey("RecentFiles");
// const QString SEPERATOR = ";";
 
ecvRecentFiles::ecvRecentFiles(QWidget *parent) : QObject(parent) {
    m_menu = new QMenu(tr("Open Recent..."), parent);
    m_menu->setIcon(QIcon(":/Resources/images/svg/pqRecentFile.png"));
    m_actionClearMenu = new QAction(tr("Clear Menu"), this);
 
    connect(m_actionClearMenu, &QAction::triggered, this, [this]() {
        ecvSettingManager::removeKey(ecvPS::LoadFile(), s_settingKey);
 
        updateMenu();
    });
 
    updateMenu();
}
 
QMenu *ecvRecentFiles::menu() { return m_menu; }
 
void ecvRecentFiles::addFilePath(const QString &filePath) {
    QStringList list =
            ecvSettingManager::getValue(ecvPS::LoadFile(), s_settingKey)
                    .toStringList();
 
    list.removeAll(filePath);
    list.prepend(filePath);
 
    // only save the last ten files
    if (list.count() > 10) {
        list = list.mid(0, 10);
    }
    ecvSettingManager::setValue(ecvPS::LoadFile(), s_settingKey, list);
 
    updateMenu();
}
 
void ecvRecentFiles::updateMenu() {
    m_menu->clear();
 
    const QStringList recentList = listRecent();
 
    for (const QString &recentFile : recentList) {
        QAction *recentAction = new QAction(contractFilePath(recentFile), this);
 
        recentAction->setData(recentFile);
 
        connect(recentAction, &QAction::triggered, this,
                &ecvRecentFiles::openFileFromAction);
 
        m_menu->addAction(recentAction);
    }
 
    if (!m_menu->actions().isEmpty()) {
        m_menu->addSeparator();
        m_menu->addAction(m_actionClearMenu);
    }
 
    m_menu->setEnabled(!m_menu->actions().isEmpty());
}
 
void ecvRecentFiles::openFileFromAction() {
    QAction *action = qobject_cast<QAction *>(sender());
 
    Q_ASSERT(action);
 
    QString fileName = action->data().toString();
 
    if (!QFile::exists(fileName)) {
        return;
    }
 
    QStringList fileListOfOne{fileName};
 
    MainWindow::TheInstance()->addToDB(fileListOfOne);
}
 
QStringList ecvRecentFiles::listRecent() {
    QStringList list =
            ecvSettingManager::getValue(ecvPS::LoadFile(), s_settingKey)
                    .toStringList();
 
    QStringList::iterator iter = list.begin();
 
    while (iter != list.end()) {
        const QString filePath = *iter;
 
        if (!QFile::exists(filePath)) {
            iter = list.erase(iter);
            continue;
        }
 
        ++iter;
    }
 
    return list;
}
 
QString ecvRecentFiles::contractFilePath(const QString &filePath) {
    QString homePath = QDir::toNativeSeparators(QDir::homePath());
    QString newPath = QDir::toNativeSeparators(filePath);
 
    if (newPath.startsWith(homePath)) {
        return newPath.replace(0, QDir::homePath().length(), '~');
    }
 
    return filePath;
}
 
QString ecvRecentFiles::expandFilePath(const QString &filePath) {
    QString newPath = QDir::toNativeSeparators(filePath);
 
    if (newPath.startsWith('~')) {
        QString homePath = QDir::toNativeSeparators(QDir::homePath());
 
        return newPath.replace(0, 1, homePath);
    }
 
    return filePath;
}