code_app/app/scanner/dialog_upgrade.cpp

#include "dialog_upgrade.h"
#include "ui_dialog_upgrade.h"
#include "base/HGUtility.h"
#include <QCryptographicHash>
#include <QMessageBox>
#include <QDir>
#include <QFile>

Dialog_upgrade::Dialog_upgrade(class VersionDll *versionDll, HGVersionInfo *versionInfo, HGUInt versionCount, QWidget *parent) :
    QDialog(parent)
    , ui(new Ui::Dialog_upgrade)
    , m_versionDll(versionDll)
    , m_versionInfo(versionInfo)
    , m_versionCount(versionCount)
{
    ui->setupUi(this);
    setWindowTitle(tr("upgrade online"));
    setWindowFlags(Qt::Dialog | Qt::WindowCloseButtonHint);
    this->layout()->setSizeConstraint(QLayout::SetFixedSize);

    ui->listWidget->setVisible(false);
    ui->pbtn_upgrade->setVisible(false);
    ui->pbtn_install->setVisible(false);
    ui->pbtn_cancel->setVisible(false);
    ui->label->setVisible(false);

    for(HGUInt i = 0; i < m_versionCount; ++i)
    {
        QListWidgetItem *listwidgetItem = new QListWidgetItem;
        listwidgetItem->setText(QString(m_versionInfo[i].version));

        std::string desc = m_versionInfo[i].desc;
        std::string bugInfo = m_versionInfo[i].bugInfo;

        if(desc.empty() && !bugInfo.empty())
        {
            listwidgetItem->setToolTip(tr("bug description: \n") + m_versionInfo[i].bugInfo);
        }
        if(!desc.empty() && bugInfo.empty())
        {
            listwidgetItem->setToolTip(tr("upgrade contents: \n") + m_versionInfo[i].desc);
        }
        if(!desc.empty() && !bugInfo.empty())
        {
            listwidgetItem->setToolTip(tr("upgrade contents: \n") + m_versionInfo[i].desc + tr("\nbug description: \n") + m_versionInfo[i].bugInfo);
        }

        ui->listWidget->addItem(listwidgetItem);
    }

    if(ui->listWidget->count() > 0)
    {
        ui->listWidget->setCurrentRow(0);
    }

    HGChar currVersion[64] = {0};
    m_versionDll->GetCurrVersion(HGVERSION_APPNAME_SCANNER, currVersion, 64);
    HGInt result = 0;
    std::string newestVersionNum = ui->listWidget->item(0)->text().toStdString().c_str();
    m_versionDll->CompareVersion(currVersion, newestVersionNum.c_str(), &result);
    if(result == 0 || result == 1)
    {
        ui->label_detectResult->setText(tr("The current version is the latest!  The current version number is : ") + currVersion);
        ui->pbtn_upgrade->setVisible(false);
    }
    else
    {
        ui->pbtn_upgrade->setVisible(true);
        ui->label_detectResult->setText(tr("Discover the new version : ") +
                                        ui->listWidget->item(0)->text().toStdString().c_str() +
                                        tr(" ,the current version is : ") + currVersion);
    }

}

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

QString Dialog_upgrade::getVersionNum()
{
    return m_versionNum;
}

void Dialog_upgrade::on_pbtn_install_clicked()
{
    QListWidgetItem *item = ui->listWidget->currentItem();
    on_listWidget_itemDoubleClicked(item);
}

void Dialog_upgrade::on_pbtn_cancel_clicked()
{
    close();
}

void Dialog_upgrade::on_listWidget_itemDoubleClicked(QListWidgetItem *item)
{
    HGChar currVersion[64] = {0};
    m_versionDll->GetCurrVersion(HGVERSION_APPNAME_SCANNER, currVersion, 64);

    std::string selectVersionNum = item->text().toStdString().c_str();
    HGInt result = 0;
    m_versionDll->CompareVersion(currVersion, selectVersionNum.c_str(), &result);
    if(result == 0)
    {
        QMessageBox::information(this, tr("tip"), tr("Already in current version"));
        return;
    }

    m_versionNum = item->text();

    accept();
}

void Dialog_upgrade::on_pbtn_selectVersion_clicked()
{
    if(ui->listWidget->count() == 0)
    {
        ui->pbtn_install->setVisible(false);
    }
    else
    {
        ui->pbtn_install->setVisible(true);
    }
    ui->pbtn_selectVersion->setVisible(false);
    ui->listWidget->setVisible(true);
    ui->pbtn_cancel->setVisible(true);
    ui->label->setVisible(true);
}

void Dialog_upgrade::on_pbtn_upgrade_clicked()
{
    QListWidgetItem *item = ui->listWidget->item(0);
    on_listWidget_itemDoubleClicked(item);
}