DiskIOView.cpp

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#include "DiskIOView.h"
 
#include <cmath>
#include <filesystem>
 
#include <QCoreApplication>
#include <QFileDialog>
#include <QHBoxLayout>
#include <QPushButton>
#include <QSpacerItem>
#include <QLabel>
 
#include <SimoxUtility/algorithm/string/string_tools.h>
 
#include <ArmarXCore/core/exceptions/local/ExpressionException.h>
 
#include <RobotAPI/libraries/armem/server/ltm/Memory.h>
#include <RobotAPI/libraries/armem/server/ltm/persistence/MemoryPersistenceStrategy.h>
#include <RobotAPI/libraries/armem/server/ltm/persistence/disk/DiskPersistence.h>
#include <RobotAPI/libraries/armem/server/query_proc/ltm/disk/ltm.h>
 
namespace armarx::armem::gui::view
{
 
    DiskIOView::DiskIOView()
    {
        _latestDirectory = QString::fromStdString("/tmp/MemoryExport");
 
        _loadFromDiskButton = new QPushButton(" Load Query from Disk into WM", this);
        _loadFromDiskButton->setIcon(QIcon(":/icons/document-open.svg"));
        _storeOnDiskButton = new QPushButton(" Store shown Data on Disk", this);
        _storeOnDiskButton->setIcon(QIcon(":/icons/document-save.svg"));
 
        _loadingLabel = new QLabel("Query loading...", this);
        _loadingLabel->setStyleSheet("color: gray");
        _loadingLabel->setVisible(false);
 
        // Allow horizontal shrinking of buttons
        std::vector<QPushButton*> buttons{_storeOnDiskButton, _loadFromDiskButton};
        for (QPushButton* button : buttons)
        {
            button->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
        }
 
        this->setSizePolicy(QSizePolicy::Policy::Preferred, QSizePolicy::Policy::Fixed);
 
        QHBoxLayout* layout = new QHBoxLayout();
        this->setLayout(layout);
 
        const int margin = 0;
        layout->setContentsMargins(margin, margin, margin, margin);
 
        layout->addWidget(_loadingLabel);
        layout->addWidget(_loadFromDiskButton);
        layout->addWidget(_storeOnDiskButton);
 
 
        // Connections
 
        connect(_loadFromDiskButton,
                &QPushButton::pressed,
                [this]()
                {
                    QString directory = chooseDirectoryDialog();
                    if (directory.size() > 0)
                    {
                        _loadingLabel->setVisible(true);
                        _loadFromDiskButton->setEnabled(false);
 
                        emit requestedLoadFromDisk(directory);
 
                    }
                    
                });
        connect(_storeOnDiskButton,
                &QPushButton::pressed,
                [this]()
                {
                    QString directory = chooseDirectoryDialog();
                    if (directory.size() > 0)
                    {
                        emit requestedStoreOnDisk(directory);
                    }
                });
    }
 
    QString
    DiskIOView::chooseDirectoryDialog()
    {
        _latestDirectory = QFileDialog::getExistingDirectory(this,
                                                             "Open query result",
                                                             _latestDirectory,
                                                             QFileDialog::ShowDirsOnly |
                                                                 QFileDialog::DontResolveSymlinks);
 
        return _latestDirectory;
    }
 
    void DiskIOView::loadFinished()
    {
        _loadingLabel->setVisible(false);
        _loadFromDiskButton->setEnabled(true);
    }
 
} // namespace armarx::armem::gui::view