You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
529 lines
17 KiB
529 lines
17 KiB
/* 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 <tdefileitem.h>
|
|
#include <kdebug.h>
|
|
#include <kde_file.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include "tdefiletreeviewitem.h"
|
|
#include "tdefiletreebranch.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( TDEIcon::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: tdefiletreeviewitem: "<< 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 "tdefiletreebranch.moc"
|
|
|