sievescriptlistbox.cpp 22 KB
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/*
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   Copyright (C) 2013-2017 Laurent Montel <montel@kde.org>
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   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
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   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
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   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
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*/
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#include "sievescriptlistbox.h"
#include "sievescriptdescriptiondialog.h"
#include "sieveglobalvariablewidget.h"
#include "sieveforeverypartwidget.h"
#include "sievescriptpage.h"
#include "sieveincludewidget.h"
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#include <QHBoxLayout>
#include <KMessageBox>
#include <KLocalizedString>
#include <QInputDialog>
#include <QPushButton>
#include <KIconLoader>
#include <QIcon>

#include <QVBoxLayout>
#include <QListWidget>
#include <QPointer>
#include <QDomElement>
#include "libksieve_debug.h"

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namespace {
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inline const QString defaultScriptName()
{
    return QStringLiteral("SCRIPTNAME: ");
}
}

using namespace KSieveUi;

SieveScriptListItem::SieveScriptListItem(const QString &text, QListWidget *parent)
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    : QListWidgetItem(text, parent)
    , mScriptPage(nullptr)
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{
}

SieveScriptListItem::~SieveScriptListItem()
{
}

void SieveScriptListItem::setDescription(const QString &desc)
{
    mDescription = desc;
}

QString SieveScriptListItem::description() const
{
    return mDescription;
}

SieveScriptPage *SieveScriptListItem::scriptPage() const
{
    return mScriptPage;
}

void SieveScriptListItem::setScriptPage(SieveScriptPage *page)
{
    mScriptPage = page;
}

QString SieveScriptListItem::generatedScript(QStringList &requires) const
{
    QString script;
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    if (!mDescription.trimmed().isEmpty()) {
        const QStringList commentList = mDescription.split(QLatin1Char('\n'));
        for (const QString &str : commentList) {
            if (str.isEmpty()) {
                script += QLatin1Char('\n');
            } else {
                script += QLatin1Char('#') + str + QLatin1Char('\n');
            }
        }
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    }
    if (mScriptPage) {
        mScriptPage->generatedScript(script, requires);
    }
    return script;
}

SieveScriptListBox::SieveScriptListBox(const QString &title, QWidget *parent)
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    : QGroupBox(title, parent)
    , mSieveGraphicalModeWidget(nullptr)
    , mScriptNumber(0)
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{
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    QVBoxLayout *layout = new QVBoxLayout(this);
    mSieveListScript = new QListWidget(this);
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    layout->addWidget(mSieveListScript);

    //----------- the first row of buttons
    QWidget *hb = new QWidget(this);
    QHBoxLayout *hbHBoxLayout = new QHBoxLayout(hb);
    hbHBoxLayout->setMargin(0);
    hbHBoxLayout->setSpacing(4);

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    mBtnTop = new QPushButton(hb);
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    hbHBoxLayout->addWidget(mBtnTop);
    mBtnTop->setIcon(QIcon::fromTheme(QStringLiteral("go-top")));
    mBtnTop->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnTop->setMinimumSize(mBtnTop->sizeHint() * 1.2);

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    mBtnUp = new QPushButton(hb);
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    hbHBoxLayout->addWidget(mBtnUp);
    mBtnUp->setAutoRepeat(true);
    mBtnUp->setIcon(QIcon::fromTheme(QStringLiteral("go-up")));
    mBtnUp->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnUp->setMinimumSize(mBtnUp->sizeHint() * 1.2);
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    mBtnDown = new QPushButton(hb);
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    hbHBoxLayout->addWidget(mBtnDown);
    mBtnDown->setAutoRepeat(true);
    mBtnDown->setIcon(QIcon::fromTheme(QStringLiteral("go-down")));
    mBtnDown->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnDown->setMinimumSize(mBtnDown->sizeHint() * 1.2);

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    mBtnBottom = new QPushButton(hb);
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    hbHBoxLayout->addWidget(mBtnBottom);
    mBtnBottom->setIcon(QIcon::fromTheme(QStringLiteral("go-bottom")));
    mBtnBottom->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnBottom->setMinimumSize(mBtnBottom->sizeHint() * 1.2);

    mBtnUp->setToolTip(i18nc("Move selected filter up.", "Up"));
    mBtnDown->setToolTip(i18nc("Move selected filter down.", "Down"));
    mBtnTop->setToolTip(i18nc("Move selected filter to the top.", "Top"));
    mBtnBottom->setToolTip(i18nc("Move selected filter to the bottom.", "Bottom"));

    layout->addWidget(hb);

    hb = new QWidget(this);
    hbHBoxLayout = new QHBoxLayout(hb);
    hbHBoxLayout->setMargin(0);
    hbHBoxLayout->setSpacing(4);

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    mBtnNew = new QPushButton(hb);
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    hbHBoxLayout->addWidget(mBtnNew);
    mBtnNew->setIcon(QIcon::fromTheme(QStringLiteral("document-new")));
    mBtnNew->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnNew->setToolTip(i18n("New Script"));
    mBtnNew->setMinimumSize(mBtnNew->sizeHint() * 1.2);

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    mBtnDelete = new QPushButton(hb);
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    hbHBoxLayout->addWidget(mBtnDelete);
    mBtnDelete->setIcon(QIcon::fromTheme(QStringLiteral("edit-delete")));
    mBtnDelete->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnDelete->setToolTip(i18n("Delete Script"));
    mBtnDelete->setMinimumSize(mBtnDelete->sizeHint() * 1.2);

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    mBtnRename = new QPushButton(hb);
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    mBtnRename->setToolTip(i18n("Rename Script"));
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    mBtnRename->setIcon(QIcon::fromTheme(QStringLiteral("edit-rename")));
    mBtnRename->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnRename->setMinimumSize(mBtnRename->sizeHint() * 1.2);
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    hbHBoxLayout->addWidget(mBtnRename);

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    mBtnDescription = new QPushButton(hb);
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    mBtnDescription->setToolTip(i18n("Edit Script Description"));
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    mBtnDescription->setIcon(QIcon::fromTheme(QStringLiteral("edit-comment")));
    mBtnDescription->setIconSize(QSize(KIconLoader::SizeSmall, KIconLoader::SizeSmall));
    mBtnDescription->setMinimumSize(mBtnDescription->sizeHint() * 1.2);

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    hbHBoxLayout->addWidget(mBtnDescription);

    layout->addWidget(hb);

    connect(mBtnNew, &QPushButton::clicked, this, &SieveScriptListBox::slotNew);
    connect(mBtnDelete, &QPushButton::clicked, this, &SieveScriptListBox::slotDelete);
    connect(mBtnRename, &QPushButton::clicked, this, &SieveScriptListBox::slotRename);
    connect(mBtnDescription, &QPushButton::clicked, this, &SieveScriptListBox::slotEditDescription);

    connect(mBtnUp, &QPushButton::clicked, this, &SieveScriptListBox::slotUp);
    connect(mBtnDown, &QPushButton::clicked, this, &SieveScriptListBox::slotDown);
    connect(mBtnTop, &QPushButton::clicked, this, &SieveScriptListBox::slotTop);
    connect(mBtnBottom, &QPushButton::clicked, this, &SieveScriptListBox::slotBottom);

    connect(mSieveListScript, &QListWidget::itemSelectionChanged, this, &SieveScriptListBox::updateButtons);
    connect(mSieveListScript, &QListWidget::itemActivated, this, &SieveScriptListBox::slotItemActived);
    connect(mSieveListScript, &QListWidget::itemDoubleClicked, this, &SieveScriptListBox::slotEditDescription);
    updateButtons();
}

SieveScriptListBox::~SieveScriptListBox()
{
}

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void SieveScriptListBox::setSieveEditorGraphicalModeWidget(SieveEditorGraphicalModeWidget *graphicalModeWidget)
{
    mSieveGraphicalModeWidget = graphicalModeWidget;
}

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void SieveScriptListBox::slotItemActived(QListWidgetItem *item)
{
    if (item) {
        SieveScriptListItem *itemScript = static_cast<SieveScriptListItem *>(item);
        Q_EMIT activatePage(itemScript->scriptPage());
    }
}

void SieveScriptListBox::updateButtons()
{
    const int currentIndex = mSieveListScript->currentRow();
    const bool theFirst = (currentIndex == 0);
    const int numberOfElement(mSieveListScript->count());
    const bool theLast = (currentIndex >= numberOfElement - 1);

    const QList<QListWidgetItem *> lst = mSieveListScript->selectedItems();
    mBtnDelete->setEnabled(!lst.isEmpty());
    mBtnRename->setEnabled(lst.count() == 1);
    mBtnDescription->setEnabled(lst.count() == 1);
    mBtnBottom->setEnabled(!lst.isEmpty() && !theLast);
    mBtnTop->setEnabled(!lst.isEmpty() && !theFirst);
    mBtnDown->setEnabled(!lst.isEmpty() && !theLast);
    mBtnUp->setEnabled(!lst.isEmpty() && !theFirst);
}

SieveScriptPage *SieveScriptListBox::createNewScript(const QString &newName, const QString &description)
{
    SieveScriptListItem *item = new SieveScriptListItem(newName, mSieveListScript);
    item->setDescription(description);
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    SieveScriptPage *page = new SieveScriptPage(mSieveGraphicalModeWidget);
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    item->setScriptPage(page);
    Q_EMIT addNewPage(page);
    Q_EMIT enableButtonOk(true);
    mSieveListScript->setCurrentItem(item);
    updateButtons();
    return page;
}

void SieveScriptListBox::slotNew()
{
    const QString newName = QInputDialog::getText(this, i18n("New Script"), i18n("Add new name:"));
    if (!newName.trimmed().isEmpty()) {
        createNewScript(newName);
        Q_EMIT valueChanged();
    }
}

void SieveScriptListBox::slotDelete()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
        if (KMessageBox::warningYesNo(this, i18n("Do you want to delete \"%1\" script?", item->text()), i18n("Delete script")) == KMessageBox::Yes) {
            SieveScriptListItem *itemScript = static_cast<SieveScriptListItem *>(item);
            Q_EMIT removePage(itemScript->scriptPage());
            delete item;
            Q_EMIT enableButtonOk(mSieveListScript->count() > 0);
            updateButtons();
            Q_EMIT valueChanged();
        }
    }
}

void SieveScriptListBox::slotRename()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
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        QString newName = QInputDialog::getText(this, i18n("Rename"), i18n("Add new name:"), QLineEdit::Normal, item->text());
        newName = newName.trimmed();
        if (!newName.isEmpty()) {
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            item->setText(newName);
            Q_EMIT valueChanged();
        }
    }
}

void SieveScriptListBox::slotEditDescription()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
        SieveScriptListItem *sieveItem = static_cast<SieveScriptListItem *>(item);
        QPointer<SieveScriptDescriptionDialog> dlg = new SieveScriptDescriptionDialog(this);
        dlg->setDescription(sieveItem->description());
        if (dlg->exec()) {
            sieveItem->setDescription(dlg->description());
            Q_EMIT valueChanged();
        }
        delete dlg;
    }
}

void SieveScriptListBox::slotTop()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
        const int currentIndex = mSieveListScript->currentRow();
        if (currentIndex != 0) {
            item = mSieveListScript->takeItem(currentIndex);
            mSieveListScript->insertItem(0, item);
            mSieveListScript->setCurrentItem(item);
            Q_EMIT valueChanged();
        }
    }
}

void SieveScriptListBox::slotBottom()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
        const int currentIndex = mSieveListScript->currentRow();
        if (currentIndex != mSieveListScript->count() - 1) {
            item = mSieveListScript->takeItem(currentIndex);
            mSieveListScript->insertItem(mSieveListScript->count(), item);
            mSieveListScript->setCurrentItem(item);
            Q_EMIT valueChanged();
        }
    }
}

void SieveScriptListBox::slotDown()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
        const int currentIndex = mSieveListScript->currentRow();
        if (currentIndex < mSieveListScript->count() - 1) {
            item = mSieveListScript->takeItem(currentIndex);
            mSieveListScript->insertItem(currentIndex + 1, item);
            mSieveListScript->setCurrentItem(item);
            Q_EMIT valueChanged();
        }
    }
}

void SieveScriptListBox::slotUp()
{
    QListWidgetItem *item = mSieveListScript->currentItem();
    if (item) {
        const int currentIndex = mSieveListScript->currentRow();
        if (currentIndex >= 1) {
            item = mSieveListScript->takeItem(currentIndex);
            mSieveListScript->insertItem(currentIndex - 1, item);
            mSieveListScript->setCurrentItem(item);
            Q_EMIT valueChanged();
        }
    }
}

QString SieveScriptListBox::generatedScript(QString &requires) const
{
    QString resultScript;
    QStringList lstRequires;
    const int numberOfScripts(mSieveListScript->count());
    for (int i = 0; i < numberOfScripts; ++i) {
        SieveScriptListItem *item = static_cast<SieveScriptListItem *>(mSieveListScript->item(i));
        if (i != 0) {
            resultScript += QLatin1String("\n\n");
        }
        resultScript += QLatin1Char('#') + defaultScriptName() + item->text() + QLatin1Char('\n');
        resultScript += item->generatedScript(lstRequires);
    }
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    resultScript += QLatin1Char('\n');
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    QStringList endRequires;
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    for (const QString &r : qAsConst(lstRequires)) {
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        if (!endRequires.contains(r)) {
            endRequires.append(r);
            requires += QStringLiteral("require \"%1\";\n").arg(r);
        }
    }

    return resultScript;
}

void SieveScriptListBox::clear()
{
    mScriptNumber = 0;
    Q_EMIT enableButtonOk(false);
    //Clear tabpage
    mSieveListScript->clear();
    updateButtons();
}

void SieveScriptListBox::loadScript(const QDomDocument &doc, QString &error)
{
    clear();
    QDomElement docElem = doc.documentElement();
    QDomNode n = docElem.firstChild();
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    SieveScriptPage *currentPage = nullptr;
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    ParseSieveScriptTypeBlock typeBlock = TypeUnknown;
    loadBlock(n, currentPage, typeBlock, error);
}

void SieveScriptListBox::loadBlock(QDomNode &n, SieveScriptPage *currentPage, ParseSieveScriptTypeBlock typeBlock, QString &error)
{
    QString scriptName;
    QString comment;
    bool hasCreatedAIfBlock = false;
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    bool previousElementWasAComment = false;
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    while (!n.isNull()) {
        QDomElement e = n.toElement();
        if (!e.isNull()) {
            const QString tagName = e.tagName();
            //qCDebug(LIBKSIEVE_LOG)<<" tagName "<<tagName;
            if (tagName == QLatin1String("control")) {
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                previousElementWasAComment = false;
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                //Create a new page when before it was "onlyactions"
                if (typeBlock == TypeBlockAction) {
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                    currentPage = nullptr;
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                }
                if (e.hasAttribute(QStringLiteral("name"))) {
                    const QString controlType = e.attribute(QStringLiteral("name"));
                    //qCDebug(LIBKSIEVE_LOG)<<" controlType"<<controlType;
                    if (controlType == QLatin1String("if")) {
                        typeBlock = TypeBlockIf;
                        if (!currentPage || hasCreatedAIfBlock) {
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                        }
                        hasCreatedAIfBlock = true;
                        comment.clear();
                        currentPage->blockIfWidget()->loadScript(e, false, error);
                    } else if (controlType == QLatin1String("elsif")) {
                        typeBlock = TypeBlockElsif;
                        if (!currentPage) {
                            qCDebug(LIBKSIEVE_LOG) << " script is not correct missing if block";
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                        }
                        SieveScriptBlockWidget *blockWidget = currentPage->addScriptBlock(KSieveUi::SieveWidgetPageAbstract::BlockElsIf);
                        if (blockWidget) {
                            blockWidget->loadScript(e, false, error);
                        }
                    } else if (controlType == QLatin1String("else")) {
                        typeBlock = TypeBlockElse;
                        if (!currentPage) {
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                            qCDebug(LIBKSIEVE_LOG) << " script is not correct missing if block";
                        }
                        SieveScriptBlockWidget *blockWidget = currentPage->addScriptBlock(KSieveUi::SieveWidgetPageAbstract::BlockElse);
                        if (blockWidget) {
                            blockWidget->loadScript(e, false, error);
                        }
                        //We are sure that we can't have another elsif
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                        currentPage = nullptr;
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                    } else if (controlType == QLatin1String("foreverypart")) {
                        typeBlock = TypeBlockForeachBlock;
                        if (!currentPage) {
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                            comment.clear();
                        }
                        if (currentPage->forEveryPartWidget()) {
                            currentPage->forEveryPartWidget()->loadScript(e, error);
                        } else {
                            error += i18n("forEveryPart is not supported by your server") + QLatin1Char('\n');
                        }
                        //TODO verify it.
                        QDomNode block = e.firstChildElement(QStringLiteral("block")).firstChild();
                        loadBlock(block, currentPage, typeBlock, error);
                    } else if (controlType == QLatin1String("require")) {
                        //Nothing. autogenerated
                    } else {
                        qCDebug(LIBKSIEVE_LOG) << " unknown controlType :" << controlType;
                    }
                }
            } else if (tagName == QLatin1String("comment")) {
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                previousElementWasAComment = true;
                if (e.hasAttribute(QStringLiteral("hash"))) {
                    //TODO
                } else if (e.hasAttribute(QStringLiteral("bracket"))) {
                    //TODO
                }
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                QString str(e.text());
                if (str.contains(defaultScriptName())) {
                    scriptName = str.remove(defaultScriptName());
                } else {
                    if (!comment.isEmpty()) {
                        comment += QLatin1Char('\n');
                    }
                    comment += e.text();
                }
            } else if (tagName == QLatin1String("action")) {
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                previousElementWasAComment = false;
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                if (e.hasAttribute(QStringLiteral("name"))) {
                    const QString actionName = e.attribute(QStringLiteral("name"));
                    if (actionName == QLatin1String("include")) {
                        if (!currentPage || (typeBlock == TypeBlockIf) || (typeBlock == TypeBlockElse) || (typeBlock == TypeBlockElsif)) {
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                            comment.clear();
                        }
                        typeBlock = TypeBlockInclude;
                        if (currentPage->includeWidget()) {
                            currentPage->includeWidget()->loadScript(e, error);
                        } else {
                            qCDebug(LIBKSIEVE_LOG) << " include not supported";
                        }
                    } else if (actionName == QLatin1String("global")) {
                        if (!currentPage || (typeBlock == TypeBlockIf) || (typeBlock == TypeBlockElse) || (typeBlock == TypeBlockElsif)) {
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                            comment.clear();
                        }
                        typeBlock = TypeBlockGlobal;
                        if (currentPage->globalVariableWidget()) {
                            currentPage->globalVariableWidget()->loadScript(e, error);
                        } else {
                            qCDebug(LIBKSIEVE_LOG) << " globalVariable not supported";
                        }
                    } else if (actionName == QLatin1String("set") && (typeBlock == TypeBlockGlobal)) {
                        if (currentPage->globalVariableWidget()) {
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                            if (!currentPage->globalVariableWidget()->loadSetVariable(e, error)) {
                                qCDebug(LIBKSIEVE_LOG) << "It's not a global variable";
                                if (!currentPage || (typeBlock == TypeBlockIf) || (typeBlock == TypeBlockElse) || (typeBlock == TypeBlockElsif)) {
                                    currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                                }
                                typeBlock = TypeBlockAction;
                                comment.clear();
                                currentPage->blockIfWidget()->loadScript(e, true, error);
                            }
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                        } else {
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                            qCDebug(LIBKSIEVE_LOG) << " set not supported";
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                        }
                    } else {
                        if (!currentPage || (typeBlock == TypeBlockIf) || (typeBlock == TypeBlockElse) || (typeBlock == TypeBlockElsif)) {
                            currentPage = createNewScript(scriptName.isEmpty() ? createUniqName() : scriptName, comment);
                        }
                        typeBlock = TypeBlockAction;
                        comment.clear();
                        currentPage->blockIfWidget()->loadScript(e, true, error);
                    }
                }
            } else if (tagName == QLatin1String("crlf")) {
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                //If it was a comment previously you will create a \n
                if (previousElementWasAComment) {
                    comment += QLatin1Char('\n');
                }
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            } else {
                qCDebug(LIBKSIEVE_LOG) << " unknown tagname" << tagName;
            }
        }
        n = n.nextSibling();
    }
}

QString SieveScriptListBox::createUniqName()
{
    const QString pattern = i18n("Script part %1", mScriptNumber);
    ++mScriptNumber;
    return pattern;
}