File indexing completed on 2024-04-21 05:43:03

 /*
     SPDX-FileCopyrightText: 2001-2005, 2009 Otto Bruggeman <bruggie@gmail.com>
     SPDX-FileCopyrightText: 2001-2003 John Firebaugh <jfirebaugh@kde.org>
     SPDX-FileCopyrightText: 2007-2011 Kevin Kofler <kevin.kofler@chello.at>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "komparenavtreepart.h"
 
 #include <QDebug>
 #include <QTreeWidgetItemIterator>
 
 #include <KLocalizedString>
 #include <KPluginMetaData>
 #include <KPluginFactory>
 
 #include <KompareDiff2/Difference>
 #include <KompareDiff2/DiffModel>
 #include <KompareDiff2/DiffModelList>
 #include <KompareDiff2/ModelList>
 
 #include <komparenavviewdebug.h>
 
 #define COL_SOURCE        0
 #define COL_DESTINATION   1
 #define COL_DIFFERENCE    2
 
 using namespace KompareDiff2;
 
 KompareNavTreePart::KompareNavTreePart(QWidget* parentWidget, QObject* parent,
                                        const KPluginMetaData& metaData, const QVariantList&)
     : KParts::ReadOnlyPart(parent, metaData),
       m_splitter(nullptr),
       m_modelList(nullptr),
       m_srcDirTree(nullptr),
       m_destDirTree(nullptr),
       m_fileList(nullptr),
       m_changesList(nullptr),
       m_srcRootItem(nullptr),
       m_destRootItem(nullptr),
       m_selectedModel(nullptr),
       m_selectedDifference(nullptr),
       m_source(),
       m_destination(),
       m_info(nullptr)
 {
     m_splitter = new QSplitter(Qt::Horizontal, parentWidget);
 
     setWidget(m_splitter);
 
     m_srcDirTree = new QTreeWidget(m_splitter);
     m_srcDirTree->setHeaderLabel(i18nc("@title:column", "Source Folder"));
     m_srcDirTree->setRootIsDecorated(false);
     m_srcDirTree->setSortingEnabled(true);
     m_srcDirTree->sortByColumn(0, Qt::AscendingOrder);
 
     m_destDirTree = new QTreeWidget(m_splitter);
     m_destDirTree->setHeaderLabel(i18nc("@title:column", "Destination Folder"));
     m_destDirTree->setRootIsDecorated(false);
     m_destDirTree->setSortingEnabled(true);
     m_destDirTree->sortByColumn(0, Qt::AscendingOrder);
 
     m_fileList = new QTreeWidget(m_splitter);
     m_fileList->setHeaderLabels(QStringList {
         i18nc("@title:column", "Source File"),
         i18nc("@title:column", "Destination File")
     } );
     m_fileList->setAllColumnsShowFocus(true);
     m_fileList->setRootIsDecorated(false);
     m_fileList->setSortingEnabled(true);
     m_fileList->sortByColumn(0, Qt::AscendingOrder);
 
     m_changesList = new QTreeWidget(m_splitter);
     m_changesList->setHeaderLabels(QStringList {
         i18nc("@title:column", "Source Line"),
         i18nc("@title:column", "Destination Line"),
         i18nc("@title:column", "Difference"),
     } );
     m_changesList->setAllColumnsShowFocus(true);
     m_changesList->setRootIsDecorated(false);
     m_changesList->setSortingEnabled(true);
     m_changesList->sortByColumn(0, Qt::AscendingOrder);
 
     connect(m_srcDirTree, &QTreeWidget::currentItemChanged,
             this, &KompareNavTreePart::slotSrcDirTreeSelectionChanged);
     connect(m_destDirTree, &QTreeWidget::currentItemChanged,
             this, &KompareNavTreePart::slotDestDirTreeSelectionChanged);
     connect(m_fileList, &QTreeWidget::currentItemChanged,
             this, &KompareNavTreePart::slotFileListSelectionChanged);
     connect(m_changesList, &QTreeWidget::currentItemChanged,
             this, &KompareNavTreePart::slotChangesListSelectionChanged);
 }
 
 KompareNavTreePart::~KompareNavTreePart()
 {
     m_modelList = nullptr;
     m_selectedModel = nullptr;
     m_selectedDifference = nullptr;
 }
 
 void KompareNavTreePart::slotKompareInfo(KompareDiff2::Info* info)
 {
     m_info = info;
 }
 
 void KompareNavTreePart::slotModelsChanged(const DiffModelList* modelList)
 {
     qCDebug(KOMPARENAVVIEW) << "Models (" << modelList << ") have changed... scanning the models... " ;
 
     if (modelList)
     {
         m_modelList = modelList;
         m_srcDirTree->clear();
         m_destDirTree->clear();
         m_fileList->clear();
         m_changesList->clear();
         buildTreeInMemory();
     }
     else
     {
         m_modelList = modelList;
         m_srcDirTree->clear();
         m_destDirTree->clear();
         m_fileList->clear();
         m_changesList->clear();
     }
 }
 
 void KompareNavTreePart::buildTreeInMemory()
 {
     qCDebug(KOMPARENAVVIEW) << "BuildTreeInMemory called" ;
 
     if (m_modelList->count() == 0)
     {
         qCDebug(KOMPARENAVVIEW) << "No models... weird shit..." ;
         return; // avoids a crash on clear()
     }
 
     if (!m_info)
     {
         qCDebug(KOMPARENAVVIEW) << "No Info... weird shit..." ;
         return;
     }
 
     QString srcBase;
     QString destBase;
 
     DiffModel* model;
     model = m_modelList->first();
     m_selectedModel = nullptr;
 
     switch (m_info->mode)
     {
     case KompareDiff2::ShowingDiff:
         // BUG: 107489 No common root because it is a multi directory relative path diff
         // We need to detect this and create a different rootitem / or so or should we always add this?
         // Trouble we run into is that the directories do not start with a /
         // so we have an unknown top root dir
         // Thinking some more about it i guess it is best to use "" as base and simply show some string
         // like Unknown filesystem path as root text but only in the case of dirs starting without a /
         srcBase = model->sourcePath();
         destBase = model->destinationPath();
         // FIXME: these tests will not work on windows, we need something else
         if (srcBase[0] != QLatin1Char('/'))
             srcBase.clear();
         if (destBase[0] != QLatin1Char('/'))
             destBase.clear();
         break;
     case KompareDiff2::ComparingFiles:
         srcBase  = model->sourcePath();
         destBase = model->destinationPath();
         break;
     case KompareDiff2::ComparingDirs:
         srcBase = m_info->localSource;
         if (!srcBase.endsWith(QLatin1Char('/')))
             srcBase += QLatin1Char('/');
         destBase = m_info->localDestination;
         if (!destBase.endsWith(QLatin1Char('/')))
             destBase += QLatin1Char('/');
         break;
     case KompareDiff2::BlendingFile:
     case KompareDiff2::BlendingDir:
     default:
         qCDebug(KOMPARENAVVIEW) << "Oops needs to implement this..." ;
     }
 
 //     qCDebug(KOMPARENAVVIEW) << "srcBase  = " << srcBase ;
 //     qCDebug(KOMPARENAVVIEW) << "destBase = " << destBase ;
 
     m_srcRootItem  = new KDirLVI(m_srcDirTree, srcBase);
     m_destRootItem = new KDirLVI(m_destDirTree, destBase);
 
     QString srcPath;
     QString destPath;
 
     // Create the tree from the models
     DiffModelListConstIterator modelIt = m_modelList->begin();
     DiffModelListConstIterator mEnd    = m_modelList->end();
 
     for (; modelIt != mEnd; ++modelIt)
     {
         model = *modelIt;
         srcPath  = model->sourcePath();
         destPath = model->destinationPath();
 
         qCDebug(KOMPARENAVVIEW) << "srcPath  = " << srcPath  ;
         qCDebug(KOMPARENAVVIEW) << "destPath = " << destPath ;
         m_srcRootItem->addModel(srcPath, model, &m_modelToSrcDirItemDict);
         m_destRootItem->addModel(destPath, model, &m_modelToDestDirItemDict);
     }
 //     m_srcDirTree->setSelected( m_srcDirTree->firstChild(), true );
 }
 
 void KompareNavTreePart::buildDirectoryTree()
 {
 // FIXME: afaict this can be deleted
 //     qCDebug(KOMPARENAVVIEW) << "BuildDirTree called" ;
 }
 
 QString KompareNavTreePart::compareFromEndAndReturnSame(
     const QString& string1,
     const QString& string2)
 {
     QString result;
 
     int srcLen = string1.length();
     int destLen = string2.length();
 
     while (srcLen != 0 && destLen != 0)
     {
         if (string1[--srcLen] == string2[--destLen])
             result.prepend(string1[srcLen]);
         else
             break;
     }
 
     if (srcLen != 0 && destLen != 0 && result.startsWith(QLatin1Char('/')))
         result = result.remove(0, 1);   // strip leading /, we need it later
 
     return result;
 }
 
 void KompareNavTreePart::slotSetSelection(const DiffModel* model, const Difference* diff)
 {
     qCDebug(KOMPARENAVVIEW) << "KompareNavTreePart::slotSetSelection model = " << model << ", diff = " << diff ;
     if (model == m_selectedModel)
     {
         // model is the same, so no need to update that...
         if (diff != m_selectedDifference)
         {
             m_selectedDifference = diff;
             setSelectedDifference(diff);
         }
         return;
     }
 
     // model is different so we need to find the right dirs, file and changeitems to select
     // if m_selectedModel == NULL then everything needs to be done as well
     if (!m_selectedModel || model->sourcePath() != m_selectedModel->sourcePath())
     {   // dirs are different, so we need to update the dirviews as well
         m_selectedModel = model;
         m_selectedDifference = diff;
 
         setSelectedDir(model);
         setSelectedFile(model);
         setSelectedDifference(diff);
         return;
     }
 
     if (!m_selectedModel || model->sourceFile() != m_selectedModel->sourceFile())
     {
         m_selectedModel = model;
         setSelectedFile(model);
 
         m_selectedDifference = diff;
         setSelectedDifference(diff);
     }
 }
 
 void KompareNavTreePart::setSelectedDir(const DiffModel* model)
 {
     KDirLVI* currentDir;
     currentDir = m_modelToSrcDirItemDict[ model ];
     qCDebug(KOMPARENAVVIEW) << "Manually setting selection in srcdirtree with currentDir = " << currentDir ;
     m_srcDirTree->blockSignals(true);
     m_srcDirTree->setCurrentItem(currentDir);
     m_srcDirTree->scrollToItem(currentDir);
     m_srcDirTree->blockSignals(false);
 
     currentDir = m_modelToDestDirItemDict[ model ];
     qCDebug(KOMPARENAVVIEW) << "Manually setting selection in destdirtree with currentDir = " << currentDir ;
     m_destDirTree->blockSignals(true);
     m_destDirTree->setCurrentItem(currentDir);
     m_destDirTree->scrollToItem(currentDir);
     m_destDirTree->blockSignals(false);
 
     m_fileList->blockSignals(true);
     currentDir->fillFileList(m_fileList, &m_modelToFileItemDict);
     m_fileList->blockSignals(false);
 }
 
 void KompareNavTreePart::setSelectedFile(const DiffModel* model)
 {
     KFileLVI* currentFile;
     currentFile = m_modelToFileItemDict[ model ];
     qCDebug(KOMPARENAVVIEW) << "Manually setting selection in filelist" ;
     m_fileList->blockSignals(true);
     m_fileList->setCurrentItem(currentFile);
     m_fileList->scrollToItem(currentFile);
     m_fileList->blockSignals(false);
 
     m_changesList->blockSignals(true);
     currentFile->fillChangesList(m_changesList, &m_diffToChangeItemDict);
     m_changesList->blockSignals(false);
 }
 
 void KompareNavTreePart::setSelectedDifference(const Difference* diff)
 {
     KChangeLVI* currentDiff;
     currentDiff = m_diffToChangeItemDict[ diff ];
     qCDebug(KOMPARENAVVIEW) << "Manually setting selection in changeslist to " << currentDiff ;
     m_changesList->blockSignals(true);
     m_changesList->setCurrentItem(currentDiff);
     m_changesList->scrollToItem(currentDiff);
     m_changesList->blockSignals(false);
 }
 
 void KompareNavTreePart::slotSetSelection(const Difference* diff)
 {
 //     qCDebug(KOMPARENAVVIEW) << "Scotty i need more power !!" ;
     if (m_selectedDifference != diff)
     {
 //         qCDebug(KOMPARENAVVIEW) << "But sir, i am giving you all she's got" ;
         m_selectedDifference = diff;
         setSelectedDifference(diff);
     }
 }
 
 void KompareNavTreePart::slotSrcDirTreeSelectionChanged(QTreeWidgetItem* item)
 {
     if (!item)
         return;
 
     qCDebug(KOMPARENAVVIEW) << "Sent by the sourceDirectoryTree with item = " << item ;
     m_srcDirTree->scrollToItem(item);
     KDirLVI* dir = static_cast<KDirLVI*>(item);
     // order the dest tree view to set its selected item to the same as here
     QString path;
     // We start with an empty path and after the call path contains the full path
     path = dir->fullPath(path);
     KDirLVI* selItem = m_destRootItem->setSelected(path);
     m_destDirTree->blockSignals(true);
     m_destDirTree->setCurrentItem(selItem);
     m_destDirTree->scrollToItem(selItem);
     m_destDirTree->blockSignals(false);
     // fill the changes list
     dir->fillFileList(m_fileList, &m_modelToFileItemDict);
 }
 
 void KompareNavTreePart::slotDestDirTreeSelectionChanged(QTreeWidgetItem* item)
 {
     if (!item)
         return;
 
     qCDebug(KOMPARENAVVIEW) << "Sent by the destinationDirectoryTree with item = " << item ;
     m_destDirTree->scrollToItem(item);
     KDirLVI* dir = static_cast<KDirLVI*>(item);
     // order the src tree view to set its selected item to the same as here
     QString path;
     // We start with an empty path and after the call path contains the full path
     path = dir->fullPath(path);
     KDirLVI* selItem = m_srcRootItem->setSelected(path);
     m_srcDirTree->blockSignals(true);
     m_srcDirTree->setCurrentItem(selItem);
     m_srcDirTree->scrollToItem(selItem);
     m_srcDirTree->blockSignals(false);
     // fill the changes list
     dir->fillFileList(m_fileList, &m_modelToFileItemDict);
 }
 
 void KompareNavTreePart::slotFileListSelectionChanged(QTreeWidgetItem* item)
 {
     if (!item)
         return;
 
     qCDebug(KOMPARENAVVIEW) << "Sent by the fileList with item = " << item ;
 
     KFileLVI* file = static_cast<KFileLVI*>(item);
     m_selectedModel = file->model();
     m_changesList->blockSignals(true);
     file->fillChangesList(m_changesList, &m_diffToChangeItemDict);
     m_changesList->blockSignals(false);
 
     if (m_changesList->currentItem())
     {
         // FIXME: This is ugly...
         m_selectedDifference = (static_cast<KChangeLVI*>(m_changesList->currentItem()))->difference();
     }
 
     Q_EMIT selectionChanged(m_selectedModel, m_selectedDifference);
 }
 
 void KompareNavTreePart::slotChangesListSelectionChanged(QTreeWidgetItem* item)
 {
     if (!item)
         return;
 
     qCDebug(KOMPARENAVVIEW) << "Sent by the changesList" ;
 
     KChangeLVI* change = static_cast<KChangeLVI*>(item);
     m_selectedDifference = change->difference();
 
     Q_EMIT selectionChanged(m_selectedDifference);
 }
 
 void KompareNavTreePart::slotApplyDifference(bool /*apply*/)
 {
     KChangeLVI* clvi = m_diffToChangeItemDict[m_selectedDifference];
     if (clvi)
         clvi->setDifferenceText();
 }
 
 void KompareNavTreePart::slotApplyAllDifferences(bool /*apply*/)
 {
     QHash<const KompareDiff2::Difference*, KChangeLVI*>::ConstIterator it = m_diffToChangeItemDict.constBegin();
     QHash<const KompareDiff2::Difference*, KChangeLVI*>::ConstIterator end = m_diffToChangeItemDict.constEnd();
 
     qCDebug(KOMPARENAVVIEW) << "m_diffToChangeItemDict.count() = " << m_diffToChangeItemDict.count() ;
 
     for (; it != end ; ++it)
     {
         it.value()->setDifferenceText();
     }
 }
 
 void KompareNavTreePart::slotApplyDifference(const Difference* diff, bool /*apply*/)
 {
     // this applies to the currently selected difference
     KChangeLVI* clvi = m_diffToChangeItemDict[diff];
     if (clvi)
         clvi->setDifferenceText();
 }
 
 void KChangeLVI::setDifferenceText()
 {
     QString text;
     switch (m_difference->type()) {
     case Difference::Change:
         // Shouldn't this simply be diff->sourceLineCount() ?
         // because you change the _number of lines_ lines in source, not in dest
         if (m_difference->applied())
             text = i18np("Applied: Changes made to %1 line undone", "Applied: Changes made to %1 lines undone",
                          m_difference->sourceLineCount());
         else
             text = i18np("Changed %1 line", "Changed %1 lines",
                          m_difference->sourceLineCount());
         break;
     case Difference::Insert:
         if (m_difference->applied())
             text = i18np("Applied: Insertion of %1 line undone", "Applied: Insertion of %1 lines undone",
                          m_difference->destinationLineCount());
         else
             text = i18np("Inserted %1 line", "Inserted %1 lines",
                          m_difference->destinationLineCount());
         break;
     case Difference::Delete:
         if (m_difference->applied())
             text = i18np("Applied: Deletion of %1 line undone", "Applied: Deletion of %1 lines undone",
                          m_difference->sourceLineCount());
         else
             text = i18np("Deleted %1 line", "Deleted %1 lines",
                          m_difference->sourceLineCount());
         break;
     default:
         qCDebug(KOMPARENAVVIEW) << "Unknown or Unchanged enum value when checking for diff->type() in KChangeLVI's constructor" ;
         text.clear();
     }
 
     setText(2, text);
 }
 
 KChangeLVI::KChangeLVI(QTreeWidget* parent, Difference* diff) : QTreeWidgetItem(parent)
 {
     m_difference = diff;
 
     setText(0, QString::number(diff->sourceLineNumber()));
     setText(1, QString::number(diff->destinationLineNumber()));
 
     setDifferenceText();
 }
 
 bool KChangeLVI::operator<(const QTreeWidgetItem& item) const
 {
     int column = treeWidget()->sortColumn();
     QString text1 = text(column);
     QString text2 = item.text(column);
 
     // Compare the numbers.
     if (column < 2 && text1.length() != text2.length())
         return text1.length() < text2.length();
     return text1 < text2;
 }
 
 KChangeLVI::~KChangeLVI()
 {
 }
 
 KFileLVI::KFileLVI(QTreeWidget* parent, DiffModel* model) : QTreeWidgetItem(parent)
 {
     m_model = model;
 
     QString src = model->sourceFile();
     QString dst = model->destinationFile();
 
     setText(0, src);
     setText(1, dst);
     setIcon(0, QIcon::fromTheme(getIcon(src)));
     setIcon(1, QIcon::fromTheme(getIcon(dst)));
 }
 
 bool KFileLVI::hasExtension(const QString& extensions, const QString& fileName)
 {
     const QStringList extList = extensions.split(QLatin1Char(' '));
     for (const QString& ext : extList) {
         if (fileName.endsWith(ext, Qt::CaseInsensitive)) {
             return true;
         }
     }
     return false;
 }
 
 const QString KFileLVI::getIcon(const QString& fileName)
 {
     // C++, C
     if (hasExtension(QStringLiteral(".h .hpp"), fileName)) {
         return QStringLiteral("text-x-c++hdr");
     }
     if (hasExtension(QStringLiteral(".cpp"), fileName)) {
         return QStringLiteral("text-x-c++src");
     }
     if (hasExtension(QStringLiteral(".c"), fileName)) {
         return QStringLiteral("text-x-csrc");
     }
     // Python
     if (hasExtension(QStringLiteral(".py .pyw"), fileName)) {
         return QStringLiteral("text-x-python");
     }
     // C#
     if (hasExtension(QStringLiteral(".cs"), fileName)) {
         return QStringLiteral("text-x-csharp");
     }
     // Objective-C
     if (hasExtension(QStringLiteral(".m"), fileName)) {
         return QStringLiteral("text-x-objcsrc");
     }
     // Java
     if (hasExtension(QStringLiteral(".java"), fileName)) {
         return QStringLiteral("text-x-java");
     }
     // Script
     if (hasExtension(QStringLiteral(".sh"), fileName)) {
         return QStringLiteral("text-x-script");
     }
     // Makefile
     if (hasExtension(QStringLiteral(".cmake Makefile"), fileName)) {
         return QStringLiteral("text-x-makefile");
     }
     // Ada
     if (hasExtension(QStringLiteral(".ada .ads .adb"), fileName)) {
         return QStringLiteral("text-x-adasrc");
     }
     // Pascal
     if (hasExtension(QStringLiteral(".pas"), fileName)) {
         return QStringLiteral("text-x-pascal");
     }
     // Patch
     if (hasExtension(QStringLiteral(".diff"), fileName)) {
         return QStringLiteral("text-x-patch");
     }
     // Tcl
     if (hasExtension(QStringLiteral(".tcl"), fileName)) {
         return QStringLiteral("text-x-tcl");
     }
     // Text
     if (hasExtension(QStringLiteral(".txt"), fileName)) {
         return QStringLiteral("text-plain");
     }
     // Xml
     if (hasExtension(QStringLiteral(".xml"), fileName)) {
         return QStringLiteral("text-xml");
     }
     // unknown or no file extension
     return QStringLiteral("text-plain");
 }
 
 void KFileLVI::fillChangesList(QTreeWidget* changesList, QHash<const KompareDiff2::Difference*, KChangeLVI*>* diffToChangeItemDict)
 {
     changesList->clear();
     diffToChangeItemDict->clear();
 
     const DifferenceList* differences = m_model->differences();
     DifferenceListConstIterator diffIt = differences->constBegin();
     DifferenceListConstIterator dEnd   = differences->constEnd();
 
     for (; diffIt != dEnd; ++diffIt)
     {
         KChangeLVI* change = new KChangeLVI(changesList, *diffIt);
         diffToChangeItemDict->insert(*diffIt, change);
     }
 
     changesList->setCurrentItem(changesList->topLevelItem(0));
 }
 
 KFileLVI::~KFileLVI()
 {
 }
 
 KDirLVI::KDirLVI(QTreeWidget* parent, const QString& dir) : QTreeWidgetItem(parent)
 {
 //     qCDebug(KOMPARENAVVIEW) << "KDirLVI (QTreeWidget) constructor called with dir = " << dir ;
     m_rootItem = true;
     m_dirName = dir;
     setIcon(0, QIcon::fromTheme(QStringLiteral("folder")));
     setExpanded(true);
     if (m_dirName.isEmpty())
         setText(0, i18nc("@item directory name not known", "Unknown"));
     else
         setText(0, m_dirName);
 }
 
 KDirLVI::KDirLVI(KDirLVI* parent, const QString& dir) : QTreeWidgetItem(parent)
 {
 //     qCDebug(KOMPARENAVVIEW) << "KDirLVI (KDirLVI) constructor called with dir = " << dir ;
     m_rootItem = false;
     m_dirName = dir;
     setIcon(0, QIcon::fromTheme(QStringLiteral("folder")));
     setExpanded(true);
     setText(0, m_dirName);
 }
 
 // addModel always removes it own path from the beginning
 void KDirLVI::addModel(QString& path, DiffModel* model, QHash<const KompareDiff2::DiffModel*, KDirLVI*>* modelToDirItemDict)
 {
 //     qCDebug(KOMPARENAVVIEW) << "KDirLVI::addModel called with path = " << path << " from KDirLVI with m_dirName = " << m_dirName ;
 
     if (!m_dirName.isEmpty())
     {
         if (path.indexOf(m_dirName) > -1)
             path = path.remove(path.indexOf(m_dirName), m_dirName.length());
     }
 
 //     qCDebug(KOMPARENAVVIEW) << "Path after removal of own dir (\"" << m_dirName << "\") = " << path ;
 
     if (path.isEmpty()) {
         m_modelList.append(model);
         modelToDirItemDict->insert(model, this);
         return;
     }
 
     KDirLVI* child;
 
     QString dir = path.mid(0, path.indexOf(QLatin1Char('/'), 0) + 1);
     child = findChild(dir);
     if (!child)
     {
         // does not exist yet so make it
 //         qCDebug(KOMPARENAVVIEW) << "KDirLVI::addModel creating new KDirLVI because not found" ;
         child = new KDirLVI(this, dir);
     }
 
     child->addModel(path, model, modelToDirItemDict);
 }
 
 KDirLVI* KDirLVI::findChild(const QString& dir)
 {
 //     qCDebug(KOMPARENAVVIEW) << "KDirLVI::findChild called with dir = " << dir ;
     KDirLVI* child;
     if ((child = static_cast<KDirLVI*>(this->child(0))) != nullptr)
     {   // has children, check if dir already exists, if so addModel
         QTreeWidgetItemIterator it(child);
         while (*it) {
             child = static_cast<KDirLVI*>(*it);
 
             if (dir == child->dirName())
                 return child;
             ++it;
         }
     }
 
     return nullptr;
 }
 
 void KDirLVI::fillFileList(QTreeWidget* fileList, QHash<const KompareDiff2::DiffModel*, KFileLVI*>* modelToFileItemDict)
 {
     fileList->clear();
 
     DiffModelListIterator modelIt = m_modelList.begin();
     DiffModelListIterator mEnd    = m_modelList.end();
     for (; modelIt != mEnd; ++modelIt)
     {
         KFileLVI* file = new KFileLVI(fileList, *modelIt);
         modelToFileItemDict->insert(*modelIt, file);
     }
 
     fileList->setCurrentItem(fileList->topLevelItem(0));
 }
 
 QString KDirLVI::fullPath(QString& path)
 {
 //     if (!path.isEmpty())
 //         qCDebug(KOMPARENAVVIEW) << "KDirLVI::fullPath called with path = " << path ;
 //     else
 //         qCDebug(KOMPARENAVVIEW) << "KDirLVI::fullPath called with empty path..." ;
 
     if (m_rootItem)   // don't bother adding rootItem's dir...
         return path;
 
     path = path.prepend(m_dirName);
 
     KDirLVI* lviParent = dynamic_cast<KDirLVI*>(parent());
     if (lviParent)
     {
         path = lviParent->fullPath(path);
     }
 
     return path;
 }
 
 KDirLVI* KDirLVI::setSelected(const QString& _dir)
 {
     QString dir(_dir);
 //     qCDebug(KOMPARENAVVIEW) << "KDirLVI::setSelected called with dir = " << dir ;
 
     // root item's dirName is never taken into account... remember that
     if (!m_rootItem)
     {
         dir = dir.remove(0, m_dirName.length());
     }
 
     if (dir.isEmpty())
     {
         return this;
     }
     KDirLVI* child = static_cast<KDirLVI*>(this->child(0));
     if (!child)
         return nullptr;
 
     QTreeWidgetItemIterator it(child);
     while (*it) {
         child = static_cast<KDirLVI*>(*it);
 
         if (dir.startsWith(child->dirName()))
             return child->setSelected(dir);
         ++it;
     }
 
     return nullptr;
 }
 
 KDirLVI::~KDirLVI()
 {
     m_modelList.clear();
 }
 
 K_PLUGIN_FACTORY_WITH_JSON(KompareNavTreePartFactory, "komparenavtreepart.json",
                            registerPlugin<KompareNavTreePart>();)
 
 #include "komparenavtreepart.moc"
 #include "moc_komparenavtreepart.cpp"