C++ QFileDialog::setAcceptMode方法代码示例

  void runEvent()
  {
    if( open )
      {
	widget->setAcceptMode( QFileDialog::AcceptOpen );
	widget->setFileMode( QFileDialog::ExistingFile );
      }
    else
      {
	widget->setAcceptMode( QFileDialog::AcceptSave );
	widget->setFileMode( QFileDialog::AnyFile );	
      }
  }

void MainWindow::save_file_locally()
{
  QFileDialog dlg;

  dlg.setAcceptMode(QFileDialog::AcceptSave);
  dlg.exec();
}

 void askForFile() {
    QFileDialog * dialog = new QFileDialog(aView());
    connect(dialog, SIGNAL(fileSelected(QString)), SLOT(loadFile(QString)));
    dialog->setAcceptMode(QFileDialog::AcceptOpen);
    dialog->setAttribute(Qt::WA_DeleteOnClose);
    dialog->show();
 }

void Advanced::saveParams()
{
    QFileDialog dialogRaster;
        dialogRaster.setAcceptMode(QFileDialog::AcceptSave);
        dialogRaster.setFileMode(QFileDialog::AnyFile);
        dialogRaster.setDirectory(QDir::toNativeSeparators(QCoreApplication::applicationDirPath()));
        dialogRaster.setFilter(QDir::Files);
        dialogRaster.setWindowTitle("Save Projection Parameters");
        dialogRaster.setNameFilter("Config files (*.config)");
        dialogRaster.exec();

        QString filename = dialogRaster.selectedFiles().first();
        if (filename.isEmpty())
            return;
        else
        {
            QFile file(filename);
            if (!file.open(QIODevice::WriteOnly))
            {
                QMessageBox::information(this, tr("Unable to open file"), file.errorString());
                return;
            }

            QDataStream out (&file);
            out.setVersion(12);
            //out << ;//Write DATA here
        }
}

void MainWindow::open_file_locally()
{
  QFileDialog dlg;

  dlg.setAcceptMode(QFileDialog::AcceptOpen);
  dlg.exec();
}

void MainWindow::onChangeDataDirectory()
{
    QFileDialog dlg;

    dlg.setAcceptMode(QFileDialog::AcceptOpen);
    dlg.setFileMode(QFileDialog::Directory);
    dlg.setOption(QFileDialog::ShowDirsOnly, true);

    if (dlg.exec()) {
        QString path = dlg.selectedFiles().at(0);
        DatabaseDlg dbdlg(QDir(path), this);

        if (dbdlg.exec()) {
            Parser *p = new Parser(path, m_output);

            p->restrictYears(dbdlg.getSelectedYears());

            activateWindow();
            raise();

            p->moveToThread(&m_thread);

            connect(&m_thread, SIGNAL(finished()), p, SLOT(deleteLater()));
            connect(p, SIGNAL(finished()), this, SLOT(onParseFinished()));
            connect(this, SIGNAL(parse()), p, SLOT(parse()));

            m_thread.start();

            emit parse();
        }
    }
}

void ProjectManager::SaveProjectAs()
{
    if(m_pBoek == NULL)
    {
        QMessageBox box(QMessageBox::Information, "Geen project", "Er is geen project geopend!");
        box.exec();
        return;
    }

    QFileDialog fileDialog;
    fileDialog.setFileMode(QFileDialog::AnyFile);
    fileDialog.setAcceptMode(QFileDialog::AcceptSave);

    if(fileDialog.exec())
    {
        QStringList files = fileDialog.selectedFiles();
        if(files.size() >= 1)
        {
            m_saveLocation = files.first();
            save(m_saveLocation);
        }
        else
        {
            qWarning("No files selected in QFileDialog but user still managed to click save?");
        }
    }
}

void MainWindow::on_actionAdd_File_triggered()
{
	this->settings->beginGroup(QStringLiteral("paths"));

	QFileDialog *dialog = new QFileDialog(this);
	DialogMaster::masterDialog(dialog);
	dialog->setWindowTitle(tr("Open Icon Archive"));
	dialog->setAcceptMode(QFileDialog::AcceptOpen);
	dialog->setFileMode(QFileDialog::ExistingFiles);
	dialog->setDirectory(this->settings->value(QStringLiteral("openPath")).toString());

	QStringList mTypes = byteToStringList(QImageReader::supportedMimeTypes());
	mTypes.append(QStringLiteral("application/octet-stream"));
	dialog->setMimeTypeFilters(mTypes);

	QString selFilter = this->settings->value(QStringLiteral("openFilter")).toString();
	qDebug() << selFilter;
	if(selFilter.isEmpty()) {
#if defined(Q_OS_WIN)
	dialog->selectMimeTypeFilter(QStringLiteral("image/vnd.microsoft.icon"));
#elif defined(Q_OS_OSX)
	dialog->selectMimeTypeFilter(QStringLiteral("image/x-icns"));
#else
	dialog->selectMimeTypeFilter(QStringLiteral("image/png"));
#endif
	} else
		dialog->selectNameFilter(selFilter);

	this->settings->endGroup();
	dialog->open(this, SLOT(fileSelected(QStringList)));
}

File FileDialogs::openPlaylist()
{
    QStringList filters;
    filters << filterByType(File::M3U)
            << filterByType(File::CSV)
            << filterByType(File::JS);

    QFileDialog dialog;
    dialog.setAcceptMode(QFileDialog::AcceptOpen);
    dialog.setFileMode(QFileDialog::ExistingFile);
    dialog.setNameFilters(filters);

    QString fileName;
    File::Type type = File::Unknown;
    if (dialog.exec()) {
        fileName = dialog.selectedFiles()[0];

        for (int i = 0; i < 50; i++) {
            if (dialog.selectedNameFilter() == filterByType(File::Type(i))) {
                type = File::Type(i);
            }
        }
    }

    File file;
    file.path = fileName;
    file.type = type;
    return file;
}

bool ImageViewer::saveAsLabelledResult(QString &pathResult)
{
    if(!_srcOcvImage) return false;
    if(!_displayImage) return false;
    if(!_result_display) return false;

    QFileDialog *fDlg = new QFileDialog(this);
    fDlg->setWindowTitle(tr("保存标注结果"));
    fDlg->setAcceptMode(QFileDialog::AcceptSave);
    fDlg->setFileMode(QFileDialog::AnyFile);
    fDlg->setViewMode(QFileDialog::Detail);
    fDlg->setDirectory(QDir::currentPath());

    fDlg->setFilter(MOLI_IMAGE_FILTER);
    fDlg->setDefaultSuffix("png");

    if(fDlg->exec() == QDialog::Accepted)
    {
        QString filename = fDlg->selectedFiles()[0];
        if(_result_display->save(filename))
        {
            pathResult = filename;
            return true;
        }
        else return false;
    }
    else return true;
}

File FileDialogs::savePlaylist()
{
    QStringList filters;
    filters << filterByType(File::M3U)
            << filterByType(File::M3UClean)
            << filterByType(File::M3UUdpxy)
            << filterByType(File::CSV)
            << filterByType(File::JS);

    QFileDialog dialog;
    dialog.setAcceptMode(QFileDialog::AcceptSave);
    dialog.setFileMode(QFileDialog::AnyFile);
    dialog.setConfirmOverwrite(true);
    dialog.setNameFilters(filters);

    QString fileName;
    File::Type type = File::Unknown;
    if (dialog.exec()) {
        fileName = dialog.selectedFiles()[0];

        for (int i = 0; i < 50; i++) {
            if (dialog.selectedNameFilter() == filterByType(File::Type(i))) {
                type = File::Type(i);
            }
        }
    }

    File file;
    file.path = fileName;
    file.type = type;
    return file;
}

void MainWindow::on_action_Export_Scenes_triggered()
{
    QFileDialog fileDialog;
    fileDialog.setWindowTitle(tr("Export"));
    // Set the dialog for saving files, sets the dialog button to "Save"
    fileDialog.setAcceptMode(QFileDialog::AcceptSave);
    // Set the dialog to display the Desktop folder as default location
    fileDialog.setDirectory(QStandardPaths::writableLocation(QStandardPaths::DesktopLocation));
    // Set the dialog to return the file name wheather the file exists or not
    fileDialog.setFileMode(QFileDialog::AnyFile);
    fileDialog.setNameFilter(tr("XML Data File") + " (*.xml)");

    bool wasFileSelected = fileDialog.exec();
    QString filePath;
    if (wasFileSelected) {
        filePath = fileDialog.selectedFiles().at(0);

        qDebug() << "Exporting file: " + filePath;
        try {
            _sceneDataFile->exportTo(filePath);
        }
        catch (SceneDataFileException& exception)
        {
            QMessageBox::critical(this,
                                  tr("ERROR: File Export Failed"),
                                  exception.getMessage());

            return; // If export failed
        }
    }
    else
    {
        return; // If no file was selected
    }
} // on_action_Export_Scenes_triggered()

void MainWindow::save_as()

{
  QFileDialog dialog;

  dialog.setAcceptMode(QFileDialog::AcceptSave);
  dialog.setFileMode(QFileDialog::AnyFile);
  dialog.setDefaultSuffix("xml");
  dialog.setNameFilter(tr("xml files (*.xml)"));

  if (dialog.exec() == QDialog::Accepted)
    {
      this->filename = dialog.selectedFiles().at(0);

      if (!this->save(this->filename))
        {
          this->filename = "";

          QMessageBox message;

          message.setText("Could not save the file.");
          message.exec();
        }
      else  // set the new window title
        {
          this->update_title();
          this->change_happened = false; // reset the change watcher
        }
    }
}

void MainWindow::saveFileAs()
{
    QFileDialog *saveWindow = new QFileDialog(this);
    FILE *saveFile;
    QTextStream *fileStream;
    QByteArray filenameFopen;

    saveWindow->setAcceptMode(QFileDialog::AcceptSave);
    saveWindow->setFileMode(QFileDialog::AnyFile);
    saveWindow->show();

    if(saveWindow->exec())
    {
        //convert Qstring to char* for the fopen function
        filenameFopen = saveWindow->selectedFiles()[0].toLocal8Bit();
        saveFile = fopen(filenameFopen.data(), "w");

        if(saveFile == NULL)
        {
            cout << "Erreur" << endl;
        }
        else
        {
            fileStream = new QTextStream(saveFile,QIODevice::ReadWrite);
            currentDocument->save(*fileStream, 4);
            fclose(saveFile);
            fileSaved = true;
        }
    }

}

void AppImportFile::open()
{
    const QString MetaIOImageFilter("MetaIO Image (*.mhd)"), DICOMImageFilter("DICOM Images (*.dcm)"), AllFilesFilter("All Files (*)");
    QStringList imagesFilter;
    imagesFilter << MetaIOImageFilter << DICOMImageFilter << AllFilesFilter;

    QFileDialog *openDialog = new QFileDialog(0);
    openDialog->setWindowTitle(tr("Select files to open..."));
    openDialog->setDirectory(m_workingDirectory);
    openDialog->setNameFilters(imagesFilter);
    openDialog->selectNameFilter (m_lastExtension);
    openDialog->setFileMode(QFileDialog::ExistingFiles);
    openDialog->setAcceptMode(QFileDialog::AcceptOpen);

    if (openDialog->exec() == QDialog::Accepted)
    {
        QStringList fileNames = openDialog->selectedFiles();

        emit selectedFiles(fileNames);

        m_workingDirectory = QFileInfo(fileNames.first()).dir().path();
        m_lastExtension = openDialog->selectedNameFilter();

        writeSettings();
    }
    delete openDialog;
}