File indexing completed on 2025-03-09 03:57:05

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2009-11-11
  * Description : a modifier for setting a default value if option parsing failed
  *
  * SPDX-FileCopyrightText: 2009-2012 by Andi Clemens <andi dot clemens at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "defaultvaluemodifier.h"
 
 // Qt includes
 
 #include <QGridLayout>
 #include <QLabel>
 #include <QPointer>
 #include <QLineEdit>
 #include <QApplication>
 #include <QStyle>
 #include <QRegularExpression>
 
 // KDE includes
 
 #include <klocalizedstring.h>
 
 namespace Digikam
 {
 
 DefaultValueDialog::DefaultValueDialog(Rule* parent)
     : RuleDialog(parent),
       valueInput(nullptr)
 {
     const int spacing       = qMin(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing),
                                    QApplication::style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing));
 
     QString defaultValueStr = i18n("Default Value");
 
     QLabel* const srcLabel  = new QLabel(defaultValueStr + QLatin1Char(':'));
     valueInput              = new QLineEdit(this);
     valueInput->setToolTip(i18n("<p>Set a default value for empty strings.<br/>"
                                 "When applied to a renaming option, "
                                 "an empty string will be replaced by the value you specify here.</p>"));
 
     QWidget* const mainWidget     = new QWidget(this);
     QGridLayout* const mainLayout = new QGridLayout(this);
     mainLayout->addWidget(srcLabel,   0, 0);
     mainLayout->addWidget(valueInput, 0, 1);
     mainLayout->setContentsMargins(spacing, spacing, spacing, spacing);
     mainLayout->setSpacing(spacing);
     mainLayout->setRowStretch(1, 10);
     mainWidget->setLayout(mainLayout);
 
     setSettingsWidget(mainWidget);
 
     valueInput->setFocus();
 }
 
 DefaultValueDialog::~DefaultValueDialog()
 {
 }
 
 // --------------------------------------------------------
 
 DefaultValueModifier::DefaultValueModifier()
     : Modifier(i18nc("default value for empty strings", "Default Value..."),
                i18n("Set a default value for empty strings"),
                QLatin1String("edit-undo"))
 {
     addToken(QLatin1String("{default:\"||value||\"}"), description());
 
     QRegularExpression reg(QLatin1String("\\{default:\"(.+)\"\\}"));
     reg.setPatternOptions(QRegularExpression::InvertedGreedinessOption);
     setRegExp(reg);
 }
 
 void DefaultValueModifier::slotTokenTriggered(const QString& token)
 {
     Q_UNUSED(token)
 
     QString result;
 
     QPointer<DefaultValueDialog> dlg = new DefaultValueDialog(this);
 
     if (dlg->exec() == QDialog::Accepted)
     {
         QString valueStr = dlg->valueInput->text();
 
         if (!valueStr.isEmpty())
         {
             result = QString::fromUtf8("{default:\"%1\"}").arg(valueStr);
         }
     }
 
     delete dlg;
 
     Q_EMIT signalTokenTriggered(result);
 }
 
 QString DefaultValueModifier::parseOperation(ParseSettings& settings, const QRegularExpressionMatch& match)
 {
     if (!settings.str2Modify.isEmpty())
     {
         return settings.str2Modify;
     }
 
     QString defaultStr = match.captured(1).isEmpty() ? QString() : match.captured(1);
 
     return defaultStr;
 }
 
 } // namespace Digikam
 
 #include "moc_defaultvaluemodifier.cpp"