C++ KStandardDirs::locateLocal方法代码示例

void DesktopThemeDetails::removeTheme()
{
    bool removeTheme = true;
    KConfigGroup cfg = KConfigGroup(KSharedConfig::openConfig("plasmarc"), "Theme");
    QString activeTheme = cfg.readEntry("name", "default");
    const QString theme = m_theme->currentIndex().data(ThemeModel::PackageNameRole).toString();
    const QString themeName = m_theme->currentIndex().data(Qt::DisplayRole).toString();


    if (m_themeCustomized) {
        if(KMessageBox::questionYesNo(this, i18n("Theme items have been changed.  Do you still wish remove the \"%1\" theme?", themeName), i18n("Remove Desktop Theme")) == KMessageBox::No) {
            removeTheme = false;
        }
    } else {
        if (theme == "default") {
            KMessageBox::information(this, i18n("Removal of the default desktop theme is not allowed."), i18n("Remove Desktop Theme"));
            removeTheme = false;
        } else {
            if(KMessageBox::questionYesNo(this, i18n("Are you sure you wish remove the \"%1\" theme?", themeName), i18n("Remove Desktop Theme")) == KMessageBox::No) {
                removeTheme = false;
            }
        }

    }
    KStandardDirs dirs;
    if (removeTheme) {
        if (theme == activeTheme) {
            setDesktopTheme("default");
            activeTheme = "default";
        }
        if (QDir(dirs.locateLocal("data", "desktoptheme/" + theme, false)).exists()) {
            KIO::DeleteJob *deleteTheme = KIO::del(QUrl::fromLocalFile(dirs.locateLocal("data", "desktoptheme/" + theme, false)), KIO::HideProgressInfo);
            KIO::NetAccess::synchronousRun(deleteTheme, this);
        }
    }
    m_themeModel->reload();
    reloadConfig();
    m_theme->setCurrentIndex(m_themeModel->indexOf(activeTheme));
}

void DesktopThemeDetails::clearCustomized(const QString& themeRoot) {
    KStandardDirs dirs;

    if ((isCustomized(themeRoot))) {
        // Remove both possible unnamed customized directories
        if (QDir(dirs.locateLocal("data", "desktoptheme/.customized", false)).exists()) {
            KIO::DeleteJob *clearCustom = KIO::del(QUrl::fromLocalFile(dirs.locateLocal("data", "desktoptheme/.customized", false)), KIO::HideProgressInfo);
            KIO::NetAccess::synchronousRun(clearCustom, this);
        }
        if (QDir(dirs.locateLocal("data", "desktoptheme/.customized1", false)).exists()) {
            KIO::DeleteJob *clearCustom1 = KIO::del(QUrl::fromLocalFile(dirs.locateLocal("data", "desktoptheme/.customized1", false)), KIO::HideProgressInfo);
            KIO::NetAccess::synchronousRun(clearCustom1, this);
        }
    } else {
        if (QDir(dirs.locateLocal("data", "desktoptheme/" + themeRoot, false)).exists()) {
            KIO::DeleteJob *clearCustom = KIO::del(QUrl::fromLocalFile(dirs.locateLocal("data", "desktoptheme/" + themeRoot, false)), KIO::HideProgressInfo);
            KIO::NetAccess::synchronousRun(clearCustom, this);
        }
    }
}

void DesktopThemeDetails::loadThemeItems()
{
    // Set up items, item paths and  icons
    m_items.clear(); // clear theme items
    m_itemPaths.clear(); // clear theme item paths
    m_itemIcons.clear();
    for (int i = 0; themeCollectionName[i].m_type; ++i) {
        m_items[themeCollectionName[i].m_type] = i;
        m_itemPaths[i] = themeCollectionName[i].m_themeItemPath;
        m_itemIcons[i] = themeCollectionName[i].m_iconName;
    }

    // Get installed themes
    m_themes.clear(); // clear installed theme list
    m_themeRoots.clear(); // clear installed theme root paths
    KStandardDirs dirs;
    QStringList themes = dirs.findAllResources("data", "desktoptheme/*/metadata.desktop",
                                               KStandardDirs::NoDuplicates);
    themes.sort();
    int j=0;
    for (int i = 0; i < themes.size(); ++i) {
        QString theme = themes.at(i);
        int themeSepIndex = theme.lastIndexOf('/', -1);
        QString themeRoot = theme.left(themeSepIndex);
        int themeNameSepIndex = themeRoot.lastIndexOf('/', -1);
        QString packageName = themeRoot.right(themeRoot.length() - themeNameSepIndex - 1);
        KDesktopFile df(theme);
        QString name = df.readName();
        if (name.isEmpty()) {
            name = packageName;
        }

        if (!isCustomized(packageName) && (m_themeRoots.key(packageName, -1) == -1)) {
            m_themes[name] = j;
            m_themeRoots[j] = packageName;
            ++j;
        }
    }

    // Set up default item replacements
    m_itemThemeReplacements.clear();
    m_itemFileReplacements.clear();
    QString currentTheme = m_theme->currentIndex().data(ThemeModel::PackageNameRole).toString();

    if (!isCustomized(currentTheme)) {
        // Set default replacements to current theme
        QHashIterator<QString, int> i(m_items);
        while (i.hasNext()) {
            i.next();
            m_itemThemeReplacements[i.value()] = m_themeRoots.key(currentTheme);
        }
        m_baseTheme = currentTheme;
    } else {
        // Set default replacements to customized theme settings
        QFile customSettingsFile(dirs.locateLocal("data", "desktoptheme/" + currentTheme +"/settings"));
        if (customSettingsFile.open(QFile::ReadOnly)) {
            QTextStream in(&customSettingsFile);
            QString line;
            QStringList settingsPair;
            while (!in.atEnd()) {
                line = in.readLine();
                settingsPair = line.split('=');
                if (settingsPair.at(0) == "baseTheme") {
                    m_baseTheme = settingsPair.at(1);
                } else {
                    if (m_themeRoots.key(settingsPair.at(1), -1) != -1) { // theme for current item exists
                        m_itemThemeReplacements[m_items[settingsPair.at(0)]] = m_themeRoots.key(settingsPair.at(1));
                    } else if (QFile::exists(settingsPair.at(1))) {
                        m_itemThemeReplacements[m_items[settingsPair.at(0)]] = -1;
                        m_itemFileReplacements[m_items[settingsPair.at(0)]] = settingsPair.at(1);
                    }
                }
            }
            customSettingsFile.close();
        }
    }

    // Build displayed list of theme items
    m_themeItemList->setRowCount(m_items.size());
    m_themeItemList->setColumnCount(2);
    m_themeItemList->setHorizontalHeaderLabels(QStringList()<< i18n("Theme Item")<<i18n("Source"));
    QString displayedItem;
    QHashIterator<QString, int> i(m_items);
    while (i.hasNext()) {
        i.next();
        displayedItem = displayedItemText(i.value());
        m_themeItemList->setItem(i.value(), 0, new QTableWidgetItem(displayedItem));
        m_themeItemList->item(i.value(),0)->setIcon(QIcon::fromTheme(m_itemIcons[i.value()]));
        m_themeItemList->setCellWidget(i.value(), 1, new QComboBox());
        updateReplaceItemList(i.value());
        m_themeItemList->resizeColumnToContents(1);
    }
    m_themeItemList->setSelectionBehavior(QAbstractItemView::SelectRows);
    m_themeItemList->verticalHeader()->hide();
    m_themeItemList->horizontalHeader()->setStretchLastSection(true);
    m_themeItemList->horizontalHeader()->setMinimumSectionSize(120);
    m_themeItemList->horizontalHeader()->setResizeMode(1, QHeaderView::ResizeToContents);;
    m_themeItemList->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);;
    m_themeItemList->setCurrentCell(0, 1);
}

void DesktopThemeDetails::save()
{
    QString themeRoot;
    KStandardDirs dirs;
    if (m_newThemeName->text().isEmpty()) {
        themeRoot = ".customized";
        //Toggle customized theme directory name to ensure theme reload
        if (QDir(dirs.locateLocal("data", "desktoptheme/" + themeRoot + '/', false)).exists()) {
            themeRoot = themeRoot + '1';
        }
    } else {
        themeRoot = m_newThemeName->text().replace(' ',"_").remove(QRegExp("[^A-Za-z0-9_]"));
    }

    //Save theme items
    QFile customSettingsFile;
    bool customSettingsFileOpen = false;

    if (m_themeCustomized || !m_newThemeName->text().isEmpty()) {

        clearCustomized(themeRoot);

        //Copy all files from the base theme
        QString baseSource = dirs.locate("data", "desktoptheme/" + m_baseTheme + "/metadata.desktop");
        baseSource = baseSource.left(baseSource.lastIndexOf('/', -1));
        KIO::CopyJob *copyBaseTheme = KIO::copyAs(QUrl::fromLocalFile(baseSource), QUrl::fromLocalFile(dirs.locateLocal("data", "desktoptheme/" + themeRoot, true)), KIO::HideProgressInfo);
        KIO::NetAccess::synchronousRun(copyBaseTheme, this);

        //Prepare settings file for customized theme
        if (isCustomized(themeRoot)) {
            customSettingsFile.setFileName(dirs.locateLocal("data", "desktoptheme/" + themeRoot + "/settings"));
            customSettingsFileOpen = customSettingsFile.open(QFile::WriteOnly);
            if (customSettingsFileOpen) {
                QTextStream out(&customSettingsFile);
                out << "baseTheme=" + m_baseTheme + "\r\n";;
            }
        }
        QString settingsSource;

        //Copy each item theme file to new theme folder
        QHashIterator<int, int> i(m_itemThemeReplacements);
        while (i.hasNext()) {
            i.next();
            //Get root directory where item should reside (relative to theme root)
            QString itemRoot = "";
            if (m_itemPaths[i.key()].lastIndexOf('/', -1) != -1) {
                itemRoot= m_itemPaths[i.key()].left(m_itemPaths[i.key()].lastIndexOf('/', -1));
            }
            //Setup source and destination
            QString source;
            QString dest;
            if (i.value() != -1) {
                //Source is a theme
                source = "desktoptheme/" + m_themeRoots[i.value()] + '/' + m_itemPaths[i.key()] + '*';
                dest = "desktoptheme/" + themeRoot + '/' + itemRoot + '/';
                settingsSource = m_themeRoots[i.value()];
            } else {
               //Source is a file
                source = m_itemFileReplacements[i.key()];
                dest = "desktoptheme/" + themeRoot + '/' + itemRoot + '/';
                settingsSource = m_itemFileReplacements[i.key()];
            }


            //Delete item files at destination before copying (possibly there from base theme copy)
            const QStringList deleteFiles = dirs.findAllResources("data", "desktoptheme/" + themeRoot + '/' + m_itemPaths[i.key()] + '*',
                                            KStandardDirs::NoDuplicates);
            for (int j = 0; j < deleteFiles.size(); ++j) {
                KIO::DeleteJob *dj = KIO::del(QUrl::fromLocalFile(deleteFiles.at(j)), KIO::HideProgressInfo);
                KIO::NetAccess::synchronousRun(dj, this);
            }

            //Copy item(s)
            dest = dirs.locateLocal("data", dest, true);
            QStringList copyFiles;
            if (i.value() != -1) {
                copyFiles = dirs.findAllResources("data", source, KStandardDirs::NoDuplicates); //copy from theme
            } else {
                copyFiles << source; //copy from file
            }
            for (int j = 0; j < copyFiles.size(); ++j) {
                KIO::CopyJob *cj = KIO::copy(QUrl::fromLocalFile(copyFiles.at(j)), QUrl::fromLocalFile(dest), KIO::HideProgressInfo);
                KIO::NetAccess::synchronousRun(cj, this);
            }

            //Record settings file
            if (customSettingsFileOpen) {
                QTextStream out(&customSettingsFile);
                out << m_items.key(i.key()) + "=" + settingsSource +"\r\n";
            }
        }
        if (customSettingsFileOpen) customSettingsFile.close();

        // Create new theme FDO desktop file
        QFile::remove(dirs.locateLocal("data", "desktoptheme/" + themeRoot + "/metadata.desktop", false));
        KDesktopFile df(dirs.locateLocal("data", "desktoptheme/" + themeRoot + "/metadata.desktop"));
        KConfigGroup cg = df.desktopGroup();
        if (isCustomized(themeRoot)) {
            cg.writeEntry("Name",i18n("(Customized)"));
            cg.writeEntry("Comment", i18n("User customized theme"));
//.........这里部分代码省略.........