File indexing completed on 2024-04-14 15:51:32

 /***************************************************************************
                           krenamefile.cpp  -  description
                              -------------------
     begin                : Wed Apr 18 2007
     copyright            : (C) 2007 by Dominik Seichter
     email                : domseichter@web.de
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "krenamefile.h"
 
 #include <kio/previewjob.h>
 #include <KJobWidgets>
 
 /** A singleton class that loads icons for urls in a synchronous way
  */
 class KRenamePreviewProvider
 {
 
 public:
     /** Get the KRenamePreviewProvider instance. This is a singleton
      *  as only one KRenamePreviewProvider may exist for one application.
      */
     static KRenamePreviewProvider *Instance()
     {
         if (!s_instance) {
             s_instance = new KRenamePreviewProvider();
         }
 
         return s_instance;
     }
 
     QPixmap loadIcon(const QUrl &url)
     {
         return KIO::pixmapForUrl(url);
     }
 
 private:
     /** Create a KRenamePreviewProvider
      */
     KRenamePreviewProvider()
     {
     }
 
     ~KRenamePreviewProvider()
     {
     }
 
 private:
     static KRenamePreviewProvider *s_instance;
 };
 
 KRenamePreviewProvider *KRenamePreviewProvider::s_instance = nullptr;
 
 const int KRenameFile::DEFAULT_ICON_SIZE = 64;
 int KRenameFile::m_iconSize = 0; // read from config file
 const char *KRenameFile::EXTRA_DATA_KEY = "KRenameFile::EXTRA_DATA_KEY";
 
 KRenameFile::KRenameFile(const QUrl &src, ESplitMode eSplitMode, unsigned int dot)
     : m_bValid(false), m_error(0), m_manualMode(eManualChangeMode_None)
 {
     KIO::StatJob *statJob = KIO::stat(src, KIO::StatJob::DestinationSide, 2);
     statJob->exec();
     if (statJob->error()) {
         return;
     }
 
     KFileItem file(statJob->statResult(), src);
 
     m_bValid     = file.isReadable();
     m_bDirectory = file.isDir();
 
     m_fileItem = file;
     initFileDescription(m_src, src, eSplitMode, dot);
 }
 
 KRenameFile::KRenameFile(const QUrl &src, bool directory, ESplitMode eSplitMode, unsigned int dot)
     : m_bDirectory(directory), m_bValid(true), m_error(0), m_manualMode(eManualChangeMode_None)
 {
     initFileDescription(m_src, src, eSplitMode, dot);
 }
 
 KRenameFile::KRenameFile(const KFileItem &item, ESplitMode eSplitMode, unsigned int dot)
     : m_bDirectory(item.isDir()), m_bValid(item.isReadable()), m_error(0), m_manualMode(eManualChangeMode_None)
 {
     m_fileItem = item;
 
     initFileDescription(m_src, item.url(), eSplitMode, dot);
 }
 
 KRenameFile::KRenameFile(const KRenameFile &rhs)
 {
     this->operator=(rhs);
 }
 
 const KRenameFile &KRenameFile::operator=(const KRenameFile &rhs)
 {
     m_bDirectory = rhs.m_bDirectory;
     m_src        = rhs.m_src;
     m_dst        = rhs.m_dst;
 
     m_bValid     = rhs.m_bValid;
     m_icon       = rhs.m_icon;
     m_error      = rhs.m_error;
     m_manual     = rhs.m_manual;
     m_manualMode = rhs.m_manualMode;
 
     return *this;
 }
 
 bool KRenameFile::operator==(const KFileItem &item) const
 {
     return this->fileItem() == item;
 }
 
 void KRenameFile::setIconSize(int size)
 {
     m_iconSize = size;
 }
 
 int KRenameFile::iconSize()
 {
     return m_iconSize;
 }
 
 int KRenameFile::getDefaultIconSize()
 {
     return DEFAULT_ICON_SIZE;
 }
 
 void KRenameFile::setCurrentSplitMode(ESplitMode eSplitMode, unsigned int dot)
 {
     QUrl    url      = m_src.url;
     QString filename = m_src.filename;
     if (!m_src.extension.isEmpty()) {
         filename = filename + '.' + m_src.extension;
     }
 
     url.setPath(m_src.directory + '/' + filename);
 
     this->initFileDescription(m_src, url, eSplitMode, dot);
 }
 
 void KRenameFile::initFileDescription(TFileDescription &rDescription, const QUrl &url,
                                       ESplitMode eSplitMode, unsigned int dot) const
 {
     int splitPos = -1;
     QString path = url.path();
     QString file;
 
     if (!m_bValid) {
         return;
     }
 
     rDescription.url       = url;
     rDescription.directory = path;
 
     if (!m_bDirectory) {
         // split directory/filename
         splitPos = path.lastIndexOf('/');
         if (splitPos == -1) {
             // only a filename?? can this happen?
             file = path;
             path.clear();
         } else {
             file = path.right(path.length() - splitPos - 1);
             path = path.left(splitPos);
         }
 
         // split filename.extension
         splitPos = -1;
         if (eSplitMode == eSplitMode_FirstDot) {
             splitPos = file.indexOf('.');
         } else if (eSplitMode == eSplitMode_LastDot) {
             splitPos = file.lastIndexOf('.');
         } else if (eSplitMode == eSplitMode_NoExtension) {
             splitPos = file.length();
         } else {
             if (dot) {
                 int i = 0;
                 splitPos = 0;
                 do {
                     splitPos = file.indexOf('.', splitPos + 1);
                     ++i;
                 } while (i < static_cast<int>(dot) && splitPos != -1);
             } else
                 // if dot == 0, do not take an extension
             {
                 splitPos = file.length();
             }
         }
 
         if (splitPos == -1) {
             splitPos = file.length();
         }
 
         rDescription.filename  = file.left(splitPos);
         rDescription.extension = "";
         if (splitPos != file.length()) {
             rDescription.extension = file.right(file.length() - splitPos - 1);
         }
         rDescription.directory = path;
     } else {
         if (rDescription.directory.endsWith('/')) {
             rDescription.directory = rDescription.directory.left(rDescription.directory.length() - 1);
         }
 
         int lastSlash = rDescription.directory.lastIndexOf('/');
         rDescription.filename  = rDescription.directory.right(rDescription.directory.length() - lastSlash - 1);
         rDescription.directory = rDescription.directory.left(lastSlash);
         rDescription.extension = "";
     }
 
     /*
     qDebug("URL : %s", url.toDisplayString().toLatin1().data() );
     qDebug("Path: %s", rDescription.directory.toLatin1().data());
     qDebug("File: %s", rDescription.filename.toLatin1().data());
     qDebug("Ext : %s", rDescription.extension.toLatin1().data());
     qDebug("Split %i", splitPos );
     qDebug("Dot   %i", dot );
     qDebug("=====");
     */
 }
 
 void KRenameFile::loadPreviewIcon()
 {
     m_icon = KRenamePreviewProvider::Instance()->loadIcon(m_src.url);
 }
 
 int KRenameFile::dots() const
 {
     int dots = 0;
 
     dots += m_src.filename.count('.');
     dots += m_src.extension.count('.');
 
     if (!m_src.extension.isEmpty()) {
         ++dots;
     }
 
     return dots;
 }
 
 const QUrl KRenameFile::srcUrl() const
 {
     if (m_overrideDir.isNull()) {
         return m_src.url;
     } else {
         QUrl changed = m_src.url;
         QString filename = m_src.filename;
         if (!m_src.extension.isEmpty()) {
             filename += '.';
             filename += m_src.extension;
         }
 
         changed.setPath(m_overrideDir + '/' +  filename);
         return changed;
     }
 }
 
 const KFileItem &KRenameFile::fileItem() const
 {
     if (m_fileItem.isNull()) {
         // No file item has been constructed
         // create one first.
         KIO::StatJob *statJob = KIO::stat(m_src.url, KIO::StatJob::DestinationSide, 2);
         statJob->exec();
         if (!statJob->error()) {
             KFileItem file(statJob->statResult(), m_src.url);
             const_cast<KRenameFile *>(this)->m_fileItem = file;
         }
     }
 
     /*
     // Update extra as often as possible
     // As the address is changed through sorting and moving files
     // It is only valid if no moving of data has happened!
     const_cast<KRenameFile*>(this)->m_fileItem.setExtraData( KRenameFile::EXTRA_DATA_KEY,
                                                              const_cast<KRenameFile*>(this) );
     */
     return m_fileItem;
 }