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krusader/krusader/VFS/virt_vfs.cpp

342 lines
9.9 KiB

/***************************************************************************
virt_vfs.cpp - description
-------------------
begin : Fri Dec 5 2003
copyright : (C) 2003 by Shie Erlich & Rafi Yanai
email :
***************************************************************************/
/***************************************************************************
* *
* 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 <unistd.h>
#include <time.h>
#include <tdefileitem.h>
#include <tdeglobalsettings.h>
#include <kurl.h>
#include <tdemessagebox.h>
#include <tdelocale.h>
#include <kdirsize.h>
#include <kstandarddirs.h>
#include "krpermhandler.h"
#include "../krusader.h"
#include "../defaults.h"
#include "virt_vfs.h"
#define VIRT_VFS_DB "virt_vfs.db"
TQDict<KURL::List> virt_vfs::virtVfsDict;
TDEConfig* virt_vfs::virt_vfs_db=0;
virt_vfs::virt_vfs( TQObject* panel, bool quiet ) : vfs( panel, quiet ) {
// set the writable attribute
isWritable = true;
virtVfsDict.setAutoDelete( true );
if ( virtVfsDict.isEmpty() ) {
restore();
}
vfs_type = VIRT;
}
virt_vfs::~virt_vfs() {}
bool virt_vfs::populateVfsList( const KURL& origin, bool /*showHidden*/ ) {
vfs_origin = origin;
vfs_origin.adjustPath(-1);
path = origin.path( -1 ).mid( 1 );
if ( path.isEmpty() ) path = "/";
KURL::List* urlList = virtVfsDict[ path ];
if ( !urlList ) {
urlList = new KURL::List();
virtVfsDict.insert( path, urlList );
virtVfsDict[ "/" ] ->append( KURL::fromPathOrURL( "virt:/" + path ) );
}
if ( urlList->isEmpty() ) return true;
KURL::List::iterator it;
for ( it = urlList->begin() ; it != urlList->end() ; /*++it*/ ) {
KURL url = *it;
// translate url->vfile and remove urls that no longer exist from the list
vfile* vf = stat(url);
if ( !vf ) {
it = urlList->remove( it );
// the iterator is advanced automaticly
continue;
}
foundVfile( vf );
++it;
}
save();
return true;
}
void virt_vfs::vfs_addFiles( KURL::List *fileUrls, TDEIO::CopyJob::CopyMode /*mode*/, TQObject* /*toNotify*/, TQString /*dir*/, PreserveMode /*pmode*/ ) {
if ( path == "/" ) {
if ( !quietMode )
KMessageBox::error( krApp, i18n( "You can't copy files directly to the 'virt:/' directory.\nYou can create a sub directory and copy your files into it." ), i18n( "Error" ) );
return ;
}
KURL::List* urlList = virtVfsDict[ path ];
for( unsigned i=0; i != fileUrls->count(); i++ ) {
if( !urlList->contains( (*fileUrls)[ i ] ) )
urlList->push_back( (*fileUrls)[ i ] );
}
vfs_refresh();
}
void virt_vfs::vfs_delFiles( TQStringList *fileNames ) {
if ( path == "/" ) {
for ( uint i = 0 ; i < fileNames->count(); ++i ) {
TQString filename = ( *fileNames ) [ i ];
virtVfsDict[ "/" ] ->remove( TQString("virt:/")+filename );
virtVfsDict.remove( filename );
}
vfs_refresh();
return ;
}
KURL::List filesUrls;
KURL url;
// names -> urls
for ( uint i = 0 ; i < fileNames->count(); ++i ) {
TQString filename = ( *fileNames ) [ i ];
filesUrls.append( vfs_getFile( filename ) );
}
TDEIO::Job *job;
// delete of move to trash ?
krConfig->setGroup( "General" );
if ( krConfig->readBoolEntry( "Move To Trash", _MoveToTrash ) ) {
#if KDE_IS_VERSION(3,4,0)
job = TDEIO::trash( filesUrls, true );
#else
job = new TDEIO::CopyJob( filesUrls, TDEGlobalSettings::trashPath(), TDEIO::CopyJob::Move, false, true );
#endif
connect( job, TQT_SIGNAL( result( TDEIO::Job* ) ), krApp, TQT_SLOT( changeTrashIcon() ) );
} else
job = new TDEIO::DeleteJob( filesUrls, false, true );
// refresh will remove the deleted files...
connect( job, TQT_SIGNAL( result( TDEIO::Job* ) ), this, TQT_SLOT( vfs_refresh( TDEIO::Job* ) ) );
}
void virt_vfs::vfs_removeFiles( TQStringList *fileNames ) {
if ( path == "/" )
return;
// removing the URLs from the collection
for ( uint i = 0 ; i < fileNames->count(); ++i ) {
KURL::List* urlList = virtVfsDict[ path ];
if( urlList )
urlList->remove( vfs_getFile( ( *fileNames ) [ i ] ) );
}
vfs_refresh();
}
KURL::List* virt_vfs::vfs_getFiles( TQStringList* names ) {
KURL url;
KURL::List* urls = new KURL::List();
for ( TQStringList::Iterator name = names->begin(); name != names->end(); ++name ) {
url = vfs_getFile( *name );
urls->append( url );
}
return urls;
}
KURL virt_vfs::vfs_getFile( const TQString& name ) {
vfile * vf = vfs_search( name );
if ( !vf ) return KURL(); // empty
KURL url = vf->vfile_getUrl();
if ( vf->vfile_isDir() ) url.adjustPath( + 1 );
return url;
}
void virt_vfs::vfs_mkdir( const TQString& name ) {
if ( path != "/" ) {
if ( !quietMode )
KMessageBox::error( krApp, i18n( "Creating new directories is allowed only in the 'virt:/' directory." ), i18n( "Error" ) );
return ;
}
KURL::List* temp = new KURL::List();
virtVfsDict.insert( name, temp );
virtVfsDict[ "/" ] ->append( TQString( "virt:/" )+name );
vfs_refresh();
}
void virt_vfs::vfs_rename( const TQString& fileName, const TQString& newName ) {
KURL::List fileUrls;
KURL url , dest;
vfile* vf = vfs_search( fileName );
if ( !vf ) return ; // not found
if ( path == "/" ) {
virtVfsDict[ "/" ] ->append( TQString( "virt:/" ) + newName );
virtVfsDict[ "/" ] ->remove( TQString( "virt:/" ) + fileName );
virtVfsDict.insert( newName, virtVfsDict.take( fileName ) );
vfs_refresh();
return ;
}
url = vf->vfile_getUrl();
fileUrls.append( url );
dest = fromPathOrURL( newName );
// add the new url to the list
// the the list is refreshed only existing files remain -
// so we don't have to worry if the job was successful
virtVfsDict[ path ] ->append( dest );
TDEIO::Job *job = new TDEIO::CopyJob( fileUrls, dest, TDEIO::CopyJob::Move, true, false );
connect( job, TQT_SIGNAL( result( TDEIO::Job* ) ), this, TQT_SLOT( vfs_refresh( TDEIO::Job* ) ) );
}
void virt_vfs::slotStatResult( TDEIO::Job* job ) {
if( !job || job->error() ) entry = TDEIO::UDSEntry();
else entry = static_cast<TDEIO::StatJob*>(job)->statResult();
busy = false;
}
vfile* virt_vfs::stat( const KURL& url ) {
if( url.protocol() == "virt" ){
TQString path = url.path().mid(1);
if( path.isEmpty() ) path = "/";
vfile * temp = new vfile( path, 0, "drwxr-xr-x", time( 0 ), false, getuid(), getgid(), "inode/directory", "", 0 );
temp->vfile_setUrl( url );
return temp;
}
KFileItem* kfi;
if ( url.isLocalFile() ) {
kfi = new KFileItem( KFileItem::Unknown, KFileItem::Unknown, url, true );
}
else {
busy = true;
TDEIO::StatJob* statJob = TDEIO::stat( url, false );
connect( statJob, TQT_SIGNAL( result( TDEIO::Job* ) ), this, TQT_SLOT( slotStatResult( TDEIO::Job* ) ) );
while ( busy && vfs_processEvents() );
if( entry.isEmpty() ) return 0; // statJob failed
kfi = new KFileItem(entry, url, true );
}
if ( !kfi->time( TDEIO::UDS_MODIFICATION_TIME ) ){
delete kfi;
return 0; // file not found
}
vfile *temp;
// get file statistics
TQString name;
if( url.isLocalFile() )
name = url.path();
else
name = url.prettyURL();
TDEIO::filesize_t size = kfi->size();
time_t mtime = kfi->time( TDEIO::UDS_MODIFICATION_TIME );
bool symLink = kfi->isLink();
mode_t mode = kfi->mode() | kfi->permissions();
TQString perm = KRpermHandler::mode2TQString( mode );
// set the mimetype
TQString mime = TQString();
TQString symDest = "";
if ( symLink ) {
symDest = kfi->linkDest();
if ( kfi->isDir() ) perm[ 0 ] = 'd';
}
// create a new virtual file object
if ( kfi->user().isEmpty() )
temp = new vfile( name, size, perm, mtime, symLink, getuid(), getgid(), mime, symDest, mode );
else {
TQString currentUser = url.user();
if ( currentUser.contains( "@" ) ) /* remove the FTP proxy tags from the username */
currentUser.truncate( currentUser.find( '@' ) );
if ( currentUser.isEmpty() )
currentUser = KRpermHandler::uid2user( getuid() );
temp = new vfile( name, size, perm, mtime, symLink, kfi->user(), kfi->group(), currentUser, mime, symDest, mode );
}
temp->vfile_setUrl( kfi->url() );
delete kfi;
return temp;
}
TDEConfig* virt_vfs::getVirtDB(){
if( !virt_vfs_db ){
virt_vfs_db = new TDEConfig(VIRT_VFS_DB,false,"data");
}
return virt_vfs_db;
}
bool virt_vfs::save(){
TDEConfig* db = getVirtDB();
db->setGroup("virt_db");
TQDictIterator<KURL::List> it( virtVfsDict ); // See TQDictIterator
for( ; it.current(); ++it ){
KURL::List::iterator url;
TQStringList entry;
for ( url = it.current()->begin() ; url != it.current()->end() ; ++url ) {
entry.append( (*url).prettyURL() );
}
db->writeEntry(it.currentKey(),entry);
}
db->sync();
return true;
}
bool virt_vfs::restore(){
TDEConfig* db = getVirtDB();
db->setGroup("virt_db");
TQMap<TQString, TQString> map = db->entryMap("virt_db");
TQMap<TQString, TQString>::Iterator it;
KURL::List* urlList;
for ( it = map.begin(); it != map.end(); ++it ) {
urlList = new KURL::List( db->readListEntry(it.key()) );
virtVfsDict.insert( it.key(),urlList );
}
if( !virtVfsDict["/" ]){
urlList = new KURL::List();
virtVfsDict.insert( "/", urlList );
}
return true;
}
void virt_vfs::vfs_calcSpace( TQString name , TDEIO::filesize_t* totalSize, unsigned long* totalFiles, unsigned long* totalDirs, bool* stop ) {
if ( stop && *stop ) return ;
if( path == "/" ) {
KURL::List* urlList = virtVfsDict[ name ];
if ( urlList )
for( unsigned i=0; (i != urlList->size()) && !(*stop); i++ )
calculateURLSize( (*urlList)[ i ], totalSize, totalFiles, totalDirs, stop );
return;
}
return vfs::vfs_calcSpace( name, totalSize, totalFiles, totalDirs, stop );
}
#include "virt_vfs.moc"