diff options
Diffstat (limited to 'libk3b/projects/datacd/k3bdiritem.cpp')
| -rw-r--r-- | libk3b/projects/datacd/k3bdiritem.cpp | 406 |
1 files changed, 406 insertions, 0 deletions
diff --git a/libk3b/projects/datacd/k3bdiritem.cpp b/libk3b/projects/datacd/k3bdiritem.cpp new file mode 100644 index 0000000..3ea3236 --- /dev/null +++ b/libk3b/projects/datacd/k3bdiritem.cpp @@ -0,0 +1,406 @@ +/* + * + * $Id: k3bdiritem.cpp 652578 2007-04-11 14:21:04Z trueg $ + * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org> + * + * This file is part of the K3b project. + * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org> + * + * 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. + * See the file "COPYING" for the exact licensing terms. + */ + + +#include "k3bdiritem.h" +#include "k3bdatadoc.h" +#include "k3bsessionimportitem.h" +#include "k3bfileitem.h" + +#include <qstring.h> +#include <qptrlist.h> + +#include <kdebug.h> + + +K3bDirItem::K3bDirItem(const QString& name, K3bDataDoc* doc, K3bDirItem* parentDir) + : K3bDataItem( doc, parentDir ), + m_size(0), + m_followSymlinksSize(0), + m_blocks(0), + m_followSymlinksBlocks(0), + m_files(0), + m_dirs(0) +{ + m_k3bName = name; + + // add automagically like a qlistviewitem + if( parent() ) + parent()->addDataItem( this ); +} + + +K3bDirItem::K3bDirItem( const K3bDirItem& item ) + : K3bDataItem( item ), + m_size(0), + m_followSymlinksSize(0), + m_blocks(0), + m_followSymlinksBlocks(0), + m_files(0), + m_dirs(0), + m_localPath( item.m_localPath ) +{ + for( QPtrListIterator<K3bDataItem> it( item.children() ); *it; ++it ) + addDataItem( (*it)->copy() ); +} + +K3bDirItem::~K3bDirItem() +{ + // delete all children + // doing this by hand is much saver than using the + // auto-delete feature since some of the items' destructors + // may change the list + K3bDataItem* i = m_children.first(); + while( i ) { + // it is important to use takeDataItem here to be sure + // the size gets updated properly + takeDataItem(i); + delete i; + i = m_children.first(); + } + + // this has to be done after deleting the children + // because the directory itself has a size of 0 in K3b + // and all it's files' sizes have already been substracted + take(); +} + + +K3bDataItem* K3bDirItem::copy() const +{ + return new K3bDirItem( *this ); +} + + +K3bDirItem* K3bDirItem::getDirItem() const +{ + return const_cast<K3bDirItem*>(this); +} + +K3bDirItem* K3bDirItem::addDataItem( K3bDataItem* item ) +{ + // check if we are a subdir of item + if( K3bDirItem* dirItem = dynamic_cast<K3bDirItem*>(item) ) { + if( dirItem->isSubItem( this ) ) { + kdDebug() << "(K3bDirItem) trying to move a dir item down in it's own tree." << endl; + return this; + } + } + + if( m_children.findRef( item ) == -1 ) { + if( item->isFile() ) { + // do we replace an old item? + QString name = item->k3bName(); + int cnt = 1; + while( K3bDataItem* oldItem = find( name ) ) { + if( !oldItem->isDir() && oldItem->isFromOldSession() ) { + // in this case we remove this item from it's parent and save it in the new one + // to be able to recover it + oldItem->take(); + static_cast<K3bSessionImportItem*>(oldItem)->setReplaceItem( static_cast<K3bFileItem*>(item) ); + static_cast<K3bFileItem*>(item)->setReplacedItemFromOldSession( oldItem ); + break; + } + else { + // + // add a counter to the filename + // + if( item->k3bName()[item->k3bName().length()-4] == '.' ) + name = item->k3bName().left( item->k3bName().length()-4 ) + QString::number(cnt++) + item->k3bName().right(4); + else + name = item->k3bName() + QString::number(cnt++); + } + } + item->setK3bName( name ); + } + + m_children.append( item->take() ); + updateSize( item, false ); + if( item->isDir() ) + updateFiles( ((K3bDirItem*)item)->numFiles(), ((K3bDirItem*)item)->numDirs()+1 ); + else + updateFiles( 1, 0 ); + + item->m_parentDir = this; + + // inform the doc + if( doc() ) + doc()->itemAddedToDir( this, item ); + } + + return this; +} + + +K3bDataItem* K3bDirItem::takeDataItem( K3bDataItem* item ) +{ + int x = m_children.findRef( item ); + if( x > -1 ) { + K3bDataItem* item = m_children.take(); + updateSize( item, true ); + if( item->isDir() ) + updateFiles( -1*((K3bDirItem*)item)->numFiles(), -1*((K3bDirItem*)item)->numDirs()-1 ); + else + updateFiles( -1, 0 ); + + item->m_parentDir = 0; + + // inform the doc + if( doc() ) + doc()->itemRemovedFromDir( this, item ); + + if( item->isFile() ) { + // restore the item imported from an old session + if( static_cast<K3bFileItem*>(item)->replaceItemFromOldSession() ) + addDataItem( static_cast<K3bFileItem*>(item)->replaceItemFromOldSession() ); + } + + return item; + } + else + return 0; +} + + +K3bDataItem* K3bDirItem::nextSibling() const +{ + if( !m_children.isEmpty() ) + return m_children.getFirst(); + else + return K3bDataItem::nextSibling(); +} + + +K3bDataItem* K3bDirItem::nextChild( K3bDataItem* prev ) const +{ + // search for prev in children + if( m_children.findRef( prev ) < 0 ) { + return 0; + } + else + return m_children.next(); +} + + +bool K3bDirItem::alreadyInDirectory( const QString& filename ) const +{ + return (find( filename ) != 0); +} + + +K3bDataItem* K3bDirItem::find( const QString& filename ) const +{ + for( QPtrListIterator<K3bDataItem> it( m_children ); it.current(); ++it ) { + if( it.current()->k3bName() == filename ) + return it.current(); + } + return 0; +} + + +K3bDataItem* K3bDirItem::findByPath( const QString& p ) +{ + if( p.isEmpty() || p == "/" ) + return this; + + QString path = p; + if( path.startsWith("/") ) + path = path.mid(1); + int pos = path.find( "/" ); + if( pos < 0 ) + return find( path ); + else { + // do it recursivly + K3bDataItem* item = find( path.left(pos) ); + if( item && item->isDir() ) + return ((K3bDirItem*)item)->findByPath( path.mid( pos+1 ) ); + else + return 0; + } +} + + +bool K3bDirItem::mkdir( const QString& dirPath ) +{ + // + // An absolut path always starts at the root item + // + if( dirPath[0] == '/' ) { + if( parent() ) + return parent()->mkdir( dirPath ); + else + return mkdir( dirPath.mid( 1 ) ); + } + + if( findByPath( dirPath ) ) + return false; + + QString restPath; + QString dirName; + int pos = dirPath.find( '/' ); + if( pos == -1 ) { + dirName = dirPath; + } + else { + dirName = dirPath.left( pos ); + restPath = dirPath.mid( pos+1 ); + } + + K3bDataItem* dir = find( dirName ); + if( !dir ) + dir = new K3bDirItem( dirName, doc(), this ); + else if( !dir->isDir() ) + return false; + + if( !restPath.isEmpty() ) + return static_cast<K3bDirItem*>(dir)->mkdir( restPath ); + + return true; +} + + +KIO::filesize_t K3bDirItem::itemSize( bool followsylinks ) const +{ + if( followsylinks ) + return m_followSymlinksSize; + else + return m_size; +} + + +K3b::Msf K3bDirItem::itemBlocks( bool followSymlinks ) const +{ + if( followSymlinks ) + return m_followSymlinksBlocks; + else + return m_blocks; +} + + +bool K3bDirItem::isSubItem( K3bDataItem* item ) const +{ + if( dynamic_cast<K3bDirItem*>(item) == this ) + return true; + + K3bDirItem* d = item->parent(); + while( d ) { + if( d == this ) { + return true; + } + d = d->parent(); + } + + return false; +} + + +long K3bDirItem::numFiles() const +{ + return m_files; +} + + +long K3bDirItem::numDirs() const +{ + return m_dirs; +} + + +bool K3bDirItem::isRemoveable() const +{ + if( !K3bDataItem::isRemoveable() ) + return false; + + for( QPtrListIterator<K3bDataItem> it( m_children ); it.current(); ++it ) { + if( !it.current()->isRemoveable() ) + return false; + } + + return true; +} + + +void K3bDirItem::updateSize( K3bDataItem* item, bool removed ) +{ + if ( !item->isFromOldSession() ) { + if( removed ) { + m_followSymlinksSize -= item->itemSize( true ); + m_size -= item->itemSize( false ); + m_followSymlinksBlocks -= item->itemBlocks( true ).lba(); + m_blocks -= item->itemBlocks( false ).lba(); + } + else { + m_followSymlinksSize += item->itemSize( true ); + m_size += item->itemSize( false ); + m_followSymlinksBlocks += item->itemBlocks( true ).lba(); + m_blocks += item->itemBlocks( false ).lba(); + } + } + + if( parent() ) + parent()->updateSize( item, removed ); +} + +void K3bDirItem::updateFiles( long files, long dirs ) +{ + m_files += files; + m_dirs += dirs; + if( parent() ) + parent()->updateFiles( files, dirs ); +} + + +bool K3bDirItem::isFromOldSession() const +{ + for( QPtrListIterator<K3bDataItem> it( m_children ); it.current(); ++it ) { + if( (*it)->isFromOldSession() ) + return true; + } + return false; +} + + +bool K3bDirItem::writeToCd() const +{ + // check if this dir contains items to write + for( QPtrListIterator<K3bDataItem> it( m_children ); it.current(); ++it ) { + if( (*it)->writeToCd() ) + return true; + } + return K3bDataItem::writeToCd(); +} + + +K3bRootItem::K3bRootItem( K3bDataDoc* doc ) + : K3bDirItem( "root", doc, 0 ) +{ +} + + +K3bRootItem::~K3bRootItem() +{ +} + + +const QString& K3bRootItem::k3bName() const +{ + return doc()->isoOptions().volumeID(); +} + + +void K3bRootItem::setK3bName( const QString& text ) +{ + doc()->setVolumeID( text ); +} |