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tdebase/konqueror/sidebar/trees/dirtree_module/dirtree_module.cpp

650 lines
22 KiB

/* This file is part of the KDE project
Copyright (C) 2000 David Faure <faure@kde.org>
2002 Michael Brade <brade@kde.org>
Copyright (C) 2003 Waldo Bastian <bastian@kde.org>
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 "dirtree_module.h"
#include "dirtree_item.h"
#include <kdebug.h>
#include <kprotocolinfo.h>
#include <kdesktopfile.h>
#include <kmessagebox.h>
#include <kiconloader.h>
#include <kdirlister.h>
#include "konqsidebariface_p.h"
KonqSidebarDirTreeModule::KonqSidebarDirTreeModule( KonqSidebarTree * parentTree , bool showHidden)
: KonqSidebarTreeModule( parentTree, showHidden ), m_dirLister(0L), m_topLevelItem(0L)
{
bool universalMode=false;
/* Doesn't work reliable :-(
KonqSidebarPlugin * plugin = parentTree->part();
// KonqSidebarPlugin::universalMode() is protected :-|
if ( plugin->parent() ) {
KonqSidebarIface * ksi = static_cast<KonqSidebarIface*>( plugin->parent()->qt_cast( "KonqSidebarIface" ) );
universalMode = ksi ? ksi->universalMode() : false;
} */
KConfig * config = new KConfig( universalMode ? "konqsidebartng_kicker.rc" : "konqsidebartng.rc" );
config->setGroup("");
m_showArchivesAsFolders = config->readBoolEntry("ShowArchivesAsFolders",true);
delete config;
}
KonqSidebarDirTreeModule::~KonqSidebarDirTreeModule()
{
// KDirLister may still emit canceled while being deleted.
if (m_dirLister)
{
disconnect( m_dirLister, TQT_SIGNAL( canceled( const KURL & ) ),
this, TQT_SLOT( slotListingStopped( const KURL & ) ) );
delete m_dirLister;
}
}
KURL::List KonqSidebarDirTreeModule::selectedUrls()
{
KURL::List lst;
KonqSidebarDirTreeItem *selection = static_cast<KonqSidebarDirTreeItem *>( m_pTree->selectedItem() );
if( !selection )
{
kdError() << "KonqSidebarDirTreeModule::selectedUrls: no selection!" << endl;
return lst;
}
lst.append(selection->fileItem()->url());
return lst;
}
void KonqSidebarDirTreeModule::addTopLevelItem( KonqSidebarTreeTopLevelItem * item )
{
if(m_topLevelItem) // We can handle only one at a time !
kdError() << "KonqSidebarDirTreeModule::addTopLevelItem: Impossible, we can have only one toplevel item !" << endl;
KDesktopFile cfg( item->path(), true );
cfg.setDollarExpansion(true);
KURL targetURL;
targetURL.setPath(item->path());
if ( cfg.hasLinkType() )
{
targetURL = cfg.readURL();
// some services might want to make their URL configurable in kcontrol
TQString configured = cfg.readEntry("X-KDE-ConfiguredURL");
if (!configured.isEmpty()) {
TQStringList list = TQStringList::split(':', configured);
KConfig config(list[0]);
if (list[1] != "noGroup") config.setGroup(list[1]);
TQString conf_url = config.readEntry(list[2]);
if (!conf_url.isEmpty()) {
targetURL = conf_url;
}
}
}
else if ( cfg.hasDeviceType() )
{
// Determine the mountpoint
TQString mp = cfg.readEntry("MountPoint");
if ( mp.isEmpty() )
return;
targetURL.setPath(mp);
}
else
return;
bool bListable = KProtocolInfo::supportsListing( targetURL );
//kdDebug(1201) << targetURL.prettyURL() << " listable : " << bListable << endl;
if ( !bListable )
{
item->setExpandable( false );
item->setListable( false );
}
item->setExternalURL( targetURL );
addSubDir( item );
m_topLevelItem = item;
}
void KonqSidebarDirTreeModule::openTopLevelItem( KonqSidebarTreeTopLevelItem * item )
{
if ( !item->childCount() && item->isListable() )
openSubFolder( item );
}
void KonqSidebarDirTreeModule::addSubDir( KonqSidebarTreeItem *item )
{
TQString id = item->externalURL().url(-1);
kdDebug(1201) << this << " KonqSidebarDirTreeModule::addSubDir " << id << endl;
m_dictSubDirs.insert(id, item );
KonqSidebarDirTreeItem *ditem = dynamic_cast<KonqSidebarDirTreeItem*>(item);
if (ditem)
m_ptrdictSubDirs.insert(ditem->fileItem(), item);
}
// Remove <key, item> from dict, taking into account that there maybe
// other items with the same key.
static void remove(TQDict<KonqSidebarTreeItem> &dict, const TQString &key, KonqSidebarTreeItem *item)
{
TQPtrList<KonqSidebarTreeItem> *otherItems = 0;
while(true) {
KonqSidebarTreeItem *takeItem = dict.take(key);
if (!takeItem || (takeItem == item))
{
if (!otherItems)
return;
// Insert the otherItems back in
for(KonqSidebarTreeItem *otherItem; (otherItem = otherItems->take(0));)
{
dict.insert(key, otherItem);
}
delete otherItems;
return;
}
// Not the item we are looking for
if (!otherItems)
otherItems = new TQPtrList<KonqSidebarTreeItem>();
otherItems->prepend(takeItem);
}
}
// Looks up key in dict and returns it in item, if there are multiple items
// with the same key, additional items are returned in itemList which should
// be deleted by the caller.
static void lookupItems(TQDict<KonqSidebarTreeItem> &dict, const TQString &key, KonqSidebarTreeItem *&item, TQPtrList<KonqSidebarTreeItem> *&itemList)
{
itemList = 0;
item = dict.take(key);
if (!item)
return;
while(true)
{
KonqSidebarTreeItem *takeItem = dict.take(key);
if (!takeItem)
{
//
// Insert itemList back in
if (itemList)
{
for(KonqSidebarTreeItem *otherItem = itemList->first(); otherItem; otherItem = itemList->next())
dict.insert(key, otherItem);
}
dict.insert(key, item);
return;
}
if (!itemList)
itemList = new TQPtrList<KonqSidebarTreeItem>();
itemList->prepend(takeItem);
}
}
// Remove <key, item> from dict, taking into account that there maybe
// other items with the same key.
static void remove(TQPtrDict<KonqSidebarTreeItem> &dict, void *key, KonqSidebarTreeItem *item)
{
TQPtrList<KonqSidebarTreeItem> *otherItems = 0;
while(true) {
KonqSidebarTreeItem *takeItem = dict.take(key);
if (!takeItem || (takeItem == item))
{
if (!otherItems)
return;
// Insert the otherItems back in
for(KonqSidebarTreeItem *otherItem; (otherItem = otherItems->take(0));)
{
dict.insert(key, otherItem);
}
delete otherItems;
return;
}
// Not the item we are looking for
if (!otherItems)
otherItems = new TQPtrList<KonqSidebarTreeItem>();
otherItems->prepend(takeItem);
}
}
// Looks up key in dict and returns it in item, if there are multiple items
// with the same key, additional items are returned in itemList which should
// be deleted by the caller.
static void lookupItems(TQPtrDict<KonqSidebarTreeItem> &dict, void *key, KonqSidebarTreeItem *&item, TQPtrList<KonqSidebarTreeItem> *&itemList)
{
itemList = 0;
item = dict.take(key);
if (!item)
return;
while(true)
{
KonqSidebarTreeItem *takeItem = dict.take(key);
if (!takeItem)
{
//
// Insert itemList back in
if (itemList)
{
for(KonqSidebarTreeItem *otherItem = itemList->first(); otherItem; otherItem = itemList->next())
dict.insert(key, otherItem);
}
dict.insert(key, item);
return;
}
if (!itemList)
itemList = new TQPtrList<KonqSidebarTreeItem>();
itemList->prepend(takeItem);
}
}
void KonqSidebarDirTreeModule::removeSubDir( KonqSidebarTreeItem *item, bool childrenOnly )
{
kdDebug(1201) << this << " KonqSidebarDirTreeModule::removeSubDir item=" << item << endl;
if ( item->firstChild() )
{
KonqSidebarTreeItem * it = static_cast<KonqSidebarTreeItem *>(item->firstChild());
KonqSidebarTreeItem * next = 0L;
while ( it ) {
next = static_cast<KonqSidebarTreeItem *>(it->nextSibling());
removeSubDir( it );
delete it;
it = next;
}
}
if ( !childrenOnly )
{
TQString id = item->externalURL().url(-1);
remove(m_dictSubDirs, id, item);
while (!(item->alias.isEmpty()))
{
remove(m_dictSubDirs, item->alias.front(), item);
item->alias.pop_front();
}
KonqSidebarDirTreeItem *ditem = dynamic_cast<KonqSidebarDirTreeItem*>(item);
if (ditem)
remove(m_ptrdictSubDirs, ditem->fileItem(), item);
}
}
void KonqSidebarDirTreeModule::openSubFolder( KonqSidebarTreeItem *item )
{
kdDebug(1201) << this << " openSubFolder( " << item->externalURL().prettyURL() << " )" << endl;
if ( !m_dirLister ) // created on demand
{
m_dirLister = new KDirLister( true );
//m_dirLister->setDirOnlyMode( true );
// TQStringList mimetypes;
// mimetypes<<TQString("inode/directory");
// m_dirLister->setMimeFilter(mimetypes);
connect( m_dirLister, TQT_SIGNAL( newItems( const KFileItemList & ) ),
this, TQT_SLOT( slotNewItems( const KFileItemList & ) ) );
connect( m_dirLister, TQT_SIGNAL( refreshItems( const KFileItemList & ) ),
this, TQT_SLOT( slotRefreshItems( const KFileItemList & ) ) );
connect( m_dirLister, TQT_SIGNAL( deleteItem( KFileItem * ) ),
this, TQT_SLOT( slotDeleteItem( KFileItem * ) ) );
connect( m_dirLister, TQT_SIGNAL( completed( const KURL & ) ),
this, TQT_SLOT( slotListingStopped( const KURL & ) ) );
connect( m_dirLister, TQT_SIGNAL( canceled( const KURL & ) ),
this, TQT_SLOT( slotListingStopped( const KURL & ) ) );
connect( m_dirLister, TQT_SIGNAL( redirection( const KURL &, const KURL & ) ),
this, TQT_SLOT( slotRedirection( const KURL &, const KURL & ) ) );
}
if ( !item->isTopLevelItem() &&
static_cast<KonqSidebarDirTreeItem *>(item)->hasStandardIcon() )
{
int size = KGlobal::iconLoader()->currentSize( KIcon::Small );
TQPixmap pix = DesktopIcon( "folder_open", size );
m_pTree->startAnimation( item, "kde", 6, &pix );
}
else
m_pTree->startAnimation( item );
listDirectory( item );
}
void KonqSidebarDirTreeModule::listDirectory( KonqSidebarTreeItem *item )
{
// This causes a reparsing, but gets rid of the trailing slash
TQString strUrl = item->externalURL().url(-1);
KURL url( strUrl );
TQPtrList<KonqSidebarTreeItem> *itemList;
KonqSidebarTreeItem * openItem;
lookupItems(m_dictSubDirs, strUrl, openItem, itemList);
while(openItem)
{
if (openItem->childCount())
break;
openItem = itemList ? itemList->take(0) : 0;
}
delete itemList;
if (openItem)
{
// We have this directory listed already, just copy the entries as we
// can't use the dirlister, it would invalidate the old entries
int size = KGlobal::iconLoader()->currentSize( KIcon::Small );
KonqSidebarTreeItem * parentItem = item;
KonqSidebarDirTreeItem *oldItem = static_cast<KonqSidebarDirTreeItem *> (openItem->firstChild());
while(oldItem)
{
KFileItem * fileItem = oldItem->fileItem();
if (! fileItem->isDir() )
{
KMimeType::Ptr ptr;
if ( fileItem->url().isLocalFile() && (((ptr=fileItem->determineMimeType())!=0) && (ptr->is("inode/directory") || m_showArchivesAsFolders) && ((!ptr->property("X-KDE-LocalProtocol").toString().isEmpty()) ))) {
kdDebug()<<"Something not really a directory"<<endl;
} else {
// kdError() << "Item " << fileItem->url().prettyURL() << " is not a directory!" << endl;
continue;
}
}
KonqSidebarDirTreeItem *dirTreeItem = new KonqSidebarDirTreeItem( parentItem, m_topLevelItem, fileItem );
dirTreeItem->setPixmap( 0, fileItem->pixmap( size ) );
dirTreeItem->setText( 0, KIO::decodeFileName( fileItem->name() ) );
oldItem = static_cast<KonqSidebarDirTreeItem *> (oldItem->nextSibling());
}
m_pTree->stopAnimation( item );
return;
}
m_dirLister->setShowingDotFiles( showHidden());
if (tree()->isOpeningFirstChild()) m_dirLister->setAutoErrorHandlingEnabled(false,0);
else m_dirLister->setAutoErrorHandlingEnabled(true,tree());
m_dirLister->openURL( url, true /*keep*/ );
}
void KonqSidebarDirTreeModule::slotNewItems( const KFileItemList& entries )
{
kdDebug(1201) << this << " KonqSidebarDirTreeModule::slotNewItems " << entries.count() << endl;
Q_ASSERT(entries.count());
KFileItem * firstItem = const_cast<KFileItemList&>(entries).last(); // qlist sucks for constness
// Find parent item - it's the same for all the items
KURL dir( firstItem->url().url(-1) );
dir.setFileName( "" );
kdDebug(1201) << this << " KonqSidebarDirTreeModule::slotNewItems dir=" << dir.url(-1) << endl;
TQPtrList<KonqSidebarTreeItem> *parentItemList;
KonqSidebarTreeItem * parentItem;
lookupItems(m_dictSubDirs, dir.url(-1), parentItem, parentItemList);
if ( !parentItem ) // hack for dnssd://domain/type/service listed in dnssd:/type/ dir
{
dir.setHost( TQString::null );
lookupItems( m_dictSubDirs, dir.url(-1), parentItem, parentItemList );
}
if( !parentItem )
{
KMessageBox::error( tree(), i18n("Cannot find parent item %1 in the tree. Internal error.").arg( dir.url(-1) ) );
return;
}
kdDebug()<<"number of additional parent items:"<< (parentItemList?parentItemList->count():0)<<endl;
int size = KGlobal::iconLoader()->currentSize( KIcon::Small );
do
{
kdDebug()<<"Parent Item URL:"<<parentItem->externalURL()<<endl;
TQPtrListIterator<KFileItem> kit ( entries );
for( ; kit.current(); ++kit )
{
KFileItem * fileItem = *kit;
if (! fileItem->isDir() )
{
KMimeType::Ptr ptr;
if ( fileItem->url().isLocalFile() && (( (ptr=fileItem->determineMimeType())!=0) && (ptr->is("inode/directory") || m_showArchivesAsFolders) && ((!ptr->property("X-KDE-LocalProtocol").toString().isEmpty()) ))) {
kdDebug()<<"Something really a directory"<<endl;
} else {
//kdError() << "Item " << fileItem->url().prettyURL() << " is not a directory!" << endl;
continue;
}
}
KonqSidebarDirTreeItem *dirTreeItem = new KonqSidebarDirTreeItem( parentItem, m_topLevelItem, fileItem );
dirTreeItem->setPixmap( 0, fileItem->pixmap( size ) );
dirTreeItem->setText( 0, KIO::decodeFileName( fileItem->name() ) );
}
} while ((parentItem = parentItemList ? parentItemList->take(0) : 0));
delete parentItemList;
}
void KonqSidebarDirTreeModule::slotRefreshItems( const KFileItemList &entries )
{
int size = KGlobal::iconLoader()->currentSize( KIcon::Small );
TQPtrListIterator<KFileItem> kit ( entries );
kdDebug(1201) << "KonqSidebarDirTreeModule::slotRefreshItems " << entries.count() << " entries. First: " << kit.current()->url().url() << endl;
for( ; kit.current(); ++kit )
{
KFileItem *fileItem = kit.current();
TQPtrList<KonqSidebarTreeItem> *itemList;
KonqSidebarTreeItem * item;
lookupItems(m_ptrdictSubDirs, fileItem, item, itemList);
if (!item)
{
if ( fileItem->isDir() ) // don't warn for files
kdWarning(1201) << "KonqSidebarDirTreeModule::slotRefreshItems can't find old entry for " << kit.current()->url().url(-1) << endl;
continue;
}
do
{
if ( item->isTopLevelItem() ) // we only have dirs and one toplevel item in the dict
{
kdWarning(1201) << "KonqSidebarDirTreeModule::slotRefreshItems entry for " << kit.current()->url().url(-1) << " matches against toplevel." << endl;
break;
}
KonqSidebarDirTreeItem * dirTreeItem = static_cast<KonqSidebarDirTreeItem *>(item);
// Item renamed ?
if ( dirTreeItem->id != fileItem->url().url( -1 ) )
{
// We need to update the URL in m_dictSubDirs, and to get rid of the child items, so remove and add.
// Then remove + delete
removeSubDir( dirTreeItem, true /*children only*/ );
remove(m_dictSubDirs, dirTreeItem->id, dirTreeItem);
dirTreeItem->reset(); // Reset id
dirTreeItem->setPixmap( 0, fileItem->pixmap( size ) );
dirTreeItem->setText( 0, KIO::decodeFileName( fileItem->name() ) );
// Make sure the item doesn't get inserted twice!
// dirTreeItem->id points to the new name
remove(m_dictSubDirs, dirTreeItem->id, dirTreeItem);
m_dictSubDirs.insert(dirTreeItem->id, dirTreeItem);
}
else
{
dirTreeItem->setPixmap( 0, fileItem->pixmap( size ) );
dirTreeItem->setText( 0, KIO::decodeFileName( fileItem->name() ) );
}
} while ((item = itemList ? itemList->take(0) : 0));
delete itemList;
}
}
void KonqSidebarDirTreeModule::slotDeleteItem( KFileItem *fileItem )
{
kdDebug(1201) << "KonqSidebarDirTreeModule::slotDeleteItem( " << fileItem->url().url(-1) << " )" << endl;
// All items are in m_ptrdictSubDirs, so look it up fast
TQPtrList<KonqSidebarTreeItem> *itemList;
KonqSidebarTreeItem * item;
lookupItems(m_ptrdictSubDirs, fileItem, item, itemList);
while(item)
{
removeSubDir( item );
delete item;
item = itemList ? itemList->take(0) : 0;
}
delete itemList;
}
void KonqSidebarDirTreeModule::slotRedirection( const KURL & oldUrl, const KURL & newUrl )
{
kdDebug(1201) << "******************************KonqSidebarDirTreeModule::slotRedirection(" << newUrl.prettyURL() << ")" << endl;
TQString oldUrlStr = oldUrl.url(-1);
TQString newUrlStr = newUrl.url(-1);
TQPtrList<KonqSidebarTreeItem> *itemList;
KonqSidebarTreeItem * item;
lookupItems(m_dictSubDirs, oldUrlStr, item, itemList);
if (!item)
{
kdWarning(1201) << "NOT FOUND oldUrl=" << oldUrlStr << endl;
return;
}
do
{
if (item->alias.contains(newUrlStr)) continue;
kdDebug()<<"Redirectiong element"<<endl;
// We need to update the URL in m_dictSubDirs
m_dictSubDirs.insert( newUrlStr, item );
item->alias << newUrlStr;
kdDebug(1201) << "Updating url of " << item << " to " << newUrlStr << endl;
} while ((item = itemList ? itemList->take(0) : 0));
delete itemList;
}
void KonqSidebarDirTreeModule::slotListingStopped( const KURL & url )
{
kdDebug(1201) << "KonqSidebarDirTree::slotListingStopped " << url.url(-1) << endl;
TQPtrList<KonqSidebarTreeItem> *itemList;
KonqSidebarTreeItem * item;
lookupItems(m_dictSubDirs, url.url(-1), item, itemList);
while(item)
{
if ( item->childCount() == 0 )
{
item->setExpandable( false );
item->repaint();
}
m_pTree->stopAnimation( item );
item = itemList ? itemList->take(0) : 0;
}
delete itemList;
kdDebug(1201) << "m_selectAfterOpening " << m_selectAfterOpening.prettyURL() << endl;
if ( !m_selectAfterOpening.isEmpty() && url.isParentOf( m_selectAfterOpening ) )
{
KURL theURL( m_selectAfterOpening );
m_selectAfterOpening = KURL();
followURL( theURL );
}
}
void KonqSidebarDirTreeModule::followURL( const KURL & url )
{
// Check if we already know this URL
KonqSidebarTreeItem * item = m_dictSubDirs[ url.url(-1) ];
if (item) // found it -> ensure visible, select, return.
{
m_pTree->ensureItemVisible( item );
m_pTree->setSelected( item, true );
return;
}
KURL uParent( url );
KonqSidebarTreeItem * parentItem = 0L;
// Go up to the first known parent
do
{
uParent = uParent.upURL();
parentItem = m_dictSubDirs[ uParent.url(-1) ];
} while ( !parentItem && !uParent.path().isEmpty() && uParent.path() != "/" );
// Not found !?!
if (!parentItem)
{
kdDebug() << "No parent found for url " << url.prettyURL() << endl;
return;
}
kdDebug(1202) << "Found parent " << uParent.prettyURL() << endl;
// That's the parent directory we found. Open if not open...
if ( !parentItem->isOpen() )
{
parentItem->setOpen( true );
if ( parentItem->childCount() && m_dictSubDirs[ url.url(-1) ] )
{
// Immediate opening, if the dir was already listed
followURL( url ); // equivalent to a goto-beginning-of-method
} else
{
m_selectAfterOpening = url;
kdDebug(1202) << "KonqSidebarDirTreeModule::followURL: m_selectAfterOpening=" << m_selectAfterOpening.url() << endl;
}
}
}
extern "C"
{
KDE_EXPORT KonqSidebarTreeModule *create_konq_sidebartree_dirtree(KonqSidebarTree* par,const bool showHidden)
{
return new KonqSidebarDirTreeModule(par,showHidden);
}
}
#include "dirtree_module.moc"