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Diffstat (limited to 'kio/kfile/kfiletreebranch.cpp')
| -rw-r--r-- | kio/kfile/kfiletreebranch.cpp | 528 |
1 files changed, 0 insertions, 528 deletions
diff --git a/kio/kfile/kfiletreebranch.cpp b/kio/kfile/kfiletreebranch.cpp deleted file mode 100644 index 352bd875e..000000000 --- a/kio/kfile/kfiletreebranch.cpp +++ /dev/null @@ -1,528 +0,0 @@ -/* This file is part of the KDEproject - Copyright (C) 2000 David Faure <faure@kde.org> - 2000 Carsten Pfeiffer <pfeiffer@kde.org> - 2002 Klaas Freitag <freitag@suse.de> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License version 2 as published by the Free Software Foundation. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include <tqfile.h> - -#include <kfileitem.h> -#include <kdebug.h> -#include <kde_file.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> - -#include "kfiletreeviewitem.h" -#include "kfiletreebranch.h" - - -/* --- KFileTreeViewToplevelItem --- */ -KFileTreeBranch::KFileTreeBranch( KFileTreeView *parent, const KURL& url, - const TQString& name, - const TQPixmap& pix, bool showHidden, - KFileTreeViewItem *branchRoot ) - - : KDirLister( false ), - m_root( branchRoot ), - m_startURL( url ), - m_name ( name ), - m_rootIcon( pix ), - m_openRootIcon( pix ), - m_recurseChildren(true), - m_showExtensions(true) -{ - kdDebug( 250) << "Creating branch for url " << url.prettyURL() << endl; - - /* if non exists, create one */ - if( ! branchRoot ) - { - m_root = new KFileTreeViewItem( parent, - new KFileItem( url, "inode/directory", - S_IFDIR ), - this ); - } - - m_root->setExpandable( true ); - m_root->setPixmap( 0, pix ); - m_root->setText( 0, name ); - - setShowingDotFiles( showHidden ); - - connect( this, TQT_SIGNAL( refreshItems(const KFileItemList&)), - this, TQT_SLOT ( slotRefreshItems( const KFileItemList& ))); - - connect( this, TQT_SIGNAL( newItems(const KFileItemList&)), - this, TQT_SLOT ( addItems( const KFileItemList& ))); - - connect( this, TQT_SIGNAL( completed(const KURL& )), - this, TQT_SLOT(slCompleted(const KURL&))); - - connect( this, TQT_SIGNAL( started( const KURL& )), - this, TQT_SLOT( slotListerStarted( const KURL& ))); - - connect( this, TQT_SIGNAL( deleteItem( KFileItem* )), - this, TQT_SLOT( slotDeleteItem( KFileItem* ))); - - connect( this, TQT_SIGNAL( canceled(const KURL&) ), - this, TQT_SLOT( slotCanceled(const KURL&) )); - - connect( this, TQT_SIGNAL( clear()), - this, TQT_SLOT( slotDirlisterClear())); - - connect( this, TQT_SIGNAL( clear(const KURL&)), - this, TQT_SLOT( slotDirlisterClearURL(const KURL&))); - - connect( this, TQT_SIGNAL( redirection( const KURL& , const KURL& ) ), - this, TQT_SLOT( slotRedirect( const KURL&, const KURL& ))); - - m_openChildrenURLs.append( url ); -} - -void KFileTreeBranch::setOpenPixmap( const TQPixmap& pix ) -{ - m_openRootIcon = pix; - - if( root()->isOpen()) - { - root()->setPixmap( 0, pix ); - } -} - -void KFileTreeBranch::slotListerStarted( const KURL &url ) -{ - /* set the parent correct if it is zero. */ - kdDebug( 250) << "Starting to list " << url.prettyURL() << endl; -} - - -KFileTreeViewItem *KFileTreeBranch::parentKFTVItem( KFileItem *item ) -{ - KFileTreeViewItem *parent = 0; - - if( ! item ) return 0; - - /* If it is a directory, check, if it exists in the dict. If not, go one up - * and check again. - */ - KURL url = item->url(); - // kdDebug(250) << "Item's url is " << url.prettyURL() << endl; - KURL dirUrl( url ); - dirUrl.setFileName( TQString::null ); - // kdDebug(250) << "Directory url is " << dirUrl.prettyURL() << endl; - - parent = findTVIByURL( dirUrl ); - // kdDebug(250) << "Returning as parent item <" << parent << ">" << endl; - return( parent ); -} - - -void KFileTreeBranch::slotRefreshItems( const KFileItemList& list ) -{ - KFileItemListIterator it( list ); - kdDebug(250) << "Refreshing " << list.count() << " items !" << endl; - KFileItem *currItem; - KFileTreeViewItem *item = 0; - - while ( (currItem = it.current()) != 0 ) - { - item = findTVIByURL(currItem->url()); - if (item) { - item->setPixmap(0, item->fileItem()->pixmap( KIcon::SizeSmall )); - item->setText( 0, item->fileItem()->text()); - } - ++it; - } -} - -void KFileTreeBranch::addItems( const KFileItemList& list ) -{ - KFileItemListIterator it( list ); - kdDebug(250) << "Adding " << list.count() << " items !" << endl; - KFileItem *currItem; - KFileTreeViewItemList treeViewItList; - KFileTreeViewItem *parentItem = 0; - - while ( (currItem = it.current()) != 0 ) - { - parentItem = parentKFTVItem( currItem ); - - - /* Only create a new KFileTreeViewItem if it does not yet exist */ - KFileTreeViewItem *newKFTVI = - static_cast<KFileTreeViewItem *>(currItem->extraData( this )); - - if( ! newKFTVI ) - { - newKFTVI = createTreeViewItem( parentItem, currItem ); - if (!newKFTVI) - { - // TODO: Don't fail if parentItem == 0 - ++it; - continue; - } - currItem->setExtraData( this, newKFTVI ); - - /* Cut off the file extension in case it is not a directory */ - if( !m_showExtensions && !currItem->isDir() ) /* Need to cut the extension */ - { - TQString name = currItem->text(); - int mPoint = name.findRev( '.' ); - if( mPoint > 0 ) - name = name.left( mPoint ); - newKFTVI->setText( 0, name ); - } - } - - /* Now try to find out if there are children for dirs in the treeview */ - /* This stats a directory on the local file system and checks the */ - /* hardlink entry in the stat-buf. This works only for local directories. */ - if( dirOnlyMode() && !m_recurseChildren && currItem->isLocalFile( ) && currItem->isDir() ) - { - KURL url = currItem->url(); - TQString filename = url.directory( false, true ) + url.fileName(); - /* do the stat trick of Carsten. The problem is, that the hardlink - * count only contains directory links. Thus, this method only seem - * to work in dir-only mode */ - kdDebug(250) << "Doing stat on " << filename << endl; - KDE_struct_stat statBuf; - if( KDE_stat( TQFile::encodeName( filename ), &statBuf ) == 0 ) - { - int hardLinks = statBuf.st_nlink; /* Count of dirs */ - kdDebug(250) << "stat succeeded, hardlinks: " << hardLinks << endl; - // If the link count is > 2, the directory likely has subdirs. If it's < 2 - // it's something weird like a mounted SMB share. In that case we don't know - // if there are subdirs, thus show it as expandable. - - if( hardLinks != 2 ) - { - newKFTVI->setExpandable(true); - } - else - { - newKFTVI->setExpandable(false); - } - if( hardLinks >= 2 ) // "Normal" directory with subdirs - { - kdDebug(250) << "Emitting for " << url.prettyURL() << endl; - emit( directoryChildCount( newKFTVI, hardLinks-2)); // parentItem, hardLinks-1 )); - } - } - else - { - kdDebug(250) << "stat of " << filename << " failed !" << endl; - } - } - ++it; - - treeViewItList.append( newKFTVI ); - } - - emit newTreeViewItems( this, treeViewItList ); -} - -KFileTreeViewItem* KFileTreeBranch::createTreeViewItem( KFileTreeViewItem *parent, - KFileItem *fileItem ) -{ - KFileTreeViewItem *tvi = 0; - if( parent && fileItem ) - { - tvi = new KFileTreeViewItem( parent, - fileItem, - this ); - } - else - { - kdDebug(250) << "createTreeViewItem: Have no parent" << endl; - } - return( tvi ); -} - -void KFileTreeBranch::setChildRecurse( bool t ) -{ - m_recurseChildren = t; - if( t == false ) - m_openChildrenURLs.clear(); -} - - -void KFileTreeBranch::setShowExtensions( bool visible ) -{ - m_showExtensions = visible; -} - -bool KFileTreeBranch::showExtensions( ) const -{ - return( m_showExtensions ); -} - -/* - * The signal that tells that a directory was deleted may arrive before the signal - * for its children arrive. Thus, we must walk through the children of a dir and - * remove them before removing the dir itself. - */ -void KFileTreeBranch::slotDeleteItem( KFileItem *it ) -{ - if( !it ) return; - kdDebug(250) << "Slot Delete Item hitted for " << it->url().prettyURL() << endl; - - KFileTreeViewItem *kfti = static_cast<KFileTreeViewItem*>(it->extraData(this)); - - if( kfti ) - { - kdDebug( 250 ) << "Child count: " << kfti->childCount() << endl; - if( kfti->childCount() > 0 ) - { - KFileTreeViewItem *child = static_cast<KFileTreeViewItem*>(kfti->firstChild()); - - while( child ) - { - kdDebug(250) << "Calling child to be deleted !" << endl; - KFileTreeViewItem *nextChild = static_cast<KFileTreeViewItem*>(child->nextSibling()); - slotDeleteItem( child->fileItem()); - child = nextChild; - } - } - - kdDebug(250) << "Found corresponding KFileTreeViewItem" << endl; - if( m_lastFoundURL.equals(it->url(), true )) - { - m_lastFoundURL = KURL(); - m_lastFoundItem = 0L; - } - delete( kfti ); - } - else - { - kdDebug(250) << "Error: kfiletreeviewitem: "<< kfti << endl; - } -} - - -void KFileTreeBranch::slotCanceled( const KURL& url ) -{ - // ### anything else to do? - // remove the url from the childrento-recurse-list - m_openChildrenURLs.remove( url); - - // stop animations etc. - KFileTreeViewItem *item = findTVIByURL(url); - if (!item) return; // Uh oh... - emit populateFinished(item); -} - -void KFileTreeBranch::slotDirlisterClear() -{ - kdDebug(250)<< "*** Clear all !" << endl; - /* this slots needs to clear all listed items, but NOT the root item */ - if( m_root ) - deleteChildrenOf( m_root ); -} - -void KFileTreeBranch::slotDirlisterClearURL( const KURL& url ) -{ - kdDebug(250)<< "*** Clear for URL !" << url.prettyURL() << endl; - KFileItem *item = findByURL( url ); - if( item ) - { - KFileTreeViewItem *ftvi = - static_cast<KFileTreeViewItem *>(item->extraData( this )); - deleteChildrenOf( ftvi ); - } -} - -void KFileTreeBranch::deleteChildrenOf( TQListViewItem *parent ) -{ - // for some strange reason, slotDirlisterClearURL() sometimes calls us - // with a 0L parent. - if ( !parent ) - return; - - while ( parent->firstChild() ) - delete parent->firstChild(); -} - -void KFileTreeBranch::slotRedirect( const KURL& oldUrl, const KURL&newUrl ) -{ - if( oldUrl.equals( m_startURL, true )) - { - m_startURL = newUrl; - } -} - -KFileTreeViewItem* KFileTreeBranch::findTVIByURL( const KURL& url ) -{ - KFileTreeViewItem *resultItem = 0; - - if( m_startURL.equals(url, true) ) - { - kdDebug(250) << "findByURL: Returning root as a parent !" << endl; - resultItem = m_root; - } - else if( m_lastFoundURL.equals( url, true )) - { - kdDebug(250) << "findByURL: Returning from lastFoundURL!" << endl; - resultItem = m_lastFoundItem; - } - else - { - kdDebug(250) << "findByURL: searching by dirlister: " << url.url() << endl; - - KFileItem *it = findByURL( url ); - - if( it ) - { - resultItem = static_cast<KFileTreeViewItem*>(it->extraData(this)); - m_lastFoundItem = resultItem; - m_lastFoundURL = url; - } - } - - return( resultItem ); -} - - -void KFileTreeBranch::slCompleted( const KURL& url ) -{ - kdDebug(250) << "SlotCompleted hit for " << url.prettyURL() << endl; - KFileTreeViewItem *currParent = findTVIByURL( url ); - if( ! currParent ) return; - - kdDebug(250) << "current parent " << currParent << " is already listed: " - << currParent->alreadyListed() << endl; - - emit( populateFinished(currParent)); - emit( directoryChildCount(currParent, currParent->childCount())); - - /* This is a walk through the children of the last populated directory. - * Here we start the dirlister on every child of the dir and wait for its - * finish. When it has finished, we go to the next child. - * This must be done for non local file systems in dirOnly- and Full-Mode - * and for local file systems only in full mode, because the stat trick - * (see addItem-Method) does only work for dirs, not for files in the directory. - */ - /* Set bit that the parent dir was listed completely */ - currParent->setListed(true); - - kdDebug(250) << "recurseChildren: " << m_recurseChildren << endl; - kdDebug(250) << "isLocalFile: " << m_startURL.isLocalFile() << endl; - kdDebug(250) << "dirOnlyMode: " << dirOnlyMode() << endl; - - - if( m_recurseChildren && (!m_startURL.isLocalFile() || ! dirOnlyMode()) ) - { - bool wantRecurseUrl = false; - /* look if the url is in the list for url to recurse */ - for ( KURL::List::Iterator it = m_openChildrenURLs.begin(); - it != m_openChildrenURLs.end(); ++it ) - { - /* it is only interesting that the url _is_in_ the list. */ - if( (*it).equals( url, true ) ) - wantRecurseUrl = true; - } - - KFileTreeViewItem *nextChild = 0; - kdDebug(250) << "Recursing " << url.prettyURL() << "? " << wantRecurseUrl << endl; - - if( wantRecurseUrl && currParent ) - { - - /* now walk again through the tree and populate the children to get +-signs */ - /* This is the starting point. The visible folder has finished, - processing the children has not yet started */ - nextChild = static_cast<KFileTreeViewItem*> - (static_cast<TQListViewItem*>(currParent)->firstChild()); - - if( ! nextChild ) - { - /* This happens if there is no child at all */ - kdDebug( 250 ) << "No children to recuse" << endl; - } - - /* Since we have listed the children to recurse, we can remove the entry - * in the list of the URLs to see the children. - */ - m_openChildrenURLs.remove(url); - } - - if( nextChild ) /* This implies that idx > -1 */ - { - /* Next child is defined. We start a dirlister job on every child item - * which is a directory to find out how much children are in the child - * of the last opened dir - */ - - /* Skip non directory entries */ - while( nextChild ) - { - if( nextChild->isDir() && ! nextChild->alreadyListed()) - { - KFileItem *kfi = nextChild->fileItem(); - if( kfi && kfi->isReadable()) - { - KURL recurseUrl = kfi->url(); - kdDebug(250) << "Starting to recurse NOW " << recurseUrl.prettyURL() << endl; - openURL( recurseUrl, true ); - } - } - nextChild = static_cast<KFileTreeViewItem*>(static_cast<TQListViewItem*>(nextChild->nextSibling())); - // kdDebug(250) << "Next child " << m_nextChild << endl; - } - } - } - else - { - kdDebug(250) << "skipping to recurse in complete-slot" << endl; - } -} - -/* This slot is called when a treeviewitem is expanded in the gui */ -bool KFileTreeBranch::populate( const KURL& url, KFileTreeViewItem *currItem ) -{ - bool ret = false; - if( ! currItem ) - return ret; - - kdDebug(250) << "Populating <" << url.prettyURL() << ">" << endl; - - /* Add this url to the list of urls to recurse for children */ - if( m_recurseChildren ) - { - m_openChildrenURLs.append( url ); - kdDebug(250) << "Appending to list " << url.prettyURL() << endl; - } - - if( ! currItem->alreadyListed() ) - { - /* start the lister */ - ret = openURL( url, true ); - } - else - { - kdDebug(250) << "Children already existing in treeview!" << endl; - slCompleted( url ); - ret = true; - } - return ret; -} - -void KFileTreeBranch::virtual_hook( int id, void* data ) -{ KDirLister::virtual_hook( id, data ); } - -#include "kfiletreebranch.moc" - |