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00020 #include <qapplication.h>
00021 #include <qheader.h>
00022 #include <qtimer.h>
00023 #include <kdebug.h>
00024 #include <kdirnotify_stub.h>
00025 #include <kglobalsettings.h>
00026 #include <kfileitem.h>
00027 #include <kfileview.h>
00028 #include <kmimetype.h>
00029 #include <kstandarddirs.h>
00030 #include <stdlib.h>
00031 #include <assert.h>
00032 #include <kio/job.h>
00033 #include <kio/global.h>
00034 #include <kurldrag.h>
00035 #include <kiconloader.h>
00036
00037
00038 #include "kfiletreeview.h"
00039 #include "kfiletreebranch.h"
00040 #include "kfiletreeviewitem.h"
00041
00042 KFileTreeView::KFileTreeView( QWidget *parent, const char *name )
00043 : KListView( parent, name ),
00044 m_wantOpenFolderPixmaps( true ),
00045 m_toolTip( this )
00046 {
00047 setSelectionModeExt( KListView::Single );
00048
00049 m_animationTimer = new QTimer( this );
00050 connect( m_animationTimer, SIGNAL( timeout() ),
00051 this, SLOT( slotAnimation() ) );
00052
00053 m_currentBeforeDropItem = 0;
00054 m_dropItem = 0;
00055
00056 m_autoOpenTimer = new QTimer( this );
00057 connect( m_autoOpenTimer, SIGNAL( timeout() ),
00058 this, SLOT( slotAutoOpenFolder() ) );
00059
00060
00061 connect( this, SIGNAL( executed( QListViewItem * ) ),
00062 this, SLOT( slotExecuted( QListViewItem * ) ) );
00063 connect( this, SIGNAL( expanded ( QListViewItem *) ),
00064 this, SLOT( slotExpanded( QListViewItem *) ));
00065 connect( this, SIGNAL( collapsed( QListViewItem *) ),
00066 this, SLOT( slotCollapsed( QListViewItem* )));
00067
00068
00069
00070 connect( this, SIGNAL( selectionChanged() ),
00071 this, SLOT( slotSelectionChanged() ) );
00072 connect( this, SIGNAL( onItem( QListViewItem * )),
00073 this, SLOT( slotOnItem( QListViewItem * ) ) );
00074 connect( this, SIGNAL(itemRenamed(QListViewItem*, const QString &, int)),
00075 this, SLOT(slotItemRenamed(QListViewItem*, const QString &, int)));
00076
00077
00078 m_bDrag = false;
00079 m_branches.setAutoDelete( true );
00080
00081 m_openFolderPixmap = SmallIcon( "folder_open" );
00082 }
00083
00084 KFileTreeView::~KFileTreeView()
00085 {
00086
00087
00088
00089 hide();
00090 clear();
00091 m_branches.clear();
00092 }
00093
00094
00095 bool KFileTreeView::isValidItem( QListViewItem *item)
00096 {
00097 if (!item)
00098 return false;
00099 QPtrList<QListViewItem> lst;
00100 QListViewItemIterator it( this );
00101 while ( it.current() )
00102 {
00103 if ( it.current() == item )
00104 return true;
00105 ++it;
00106 }
00107 return false;
00108 }
00109
00110 void KFileTreeView::contentsDragEnterEvent( QDragEnterEvent *ev )
00111 {
00112 if ( ! acceptDrag( ev ) )
00113 {
00114 ev->ignore();
00115 return;
00116 }
00117 ev->acceptAction();
00118 m_currentBeforeDropItem = selectedItem();
00119
00120 QListViewItem *item = itemAt( contentsToViewport( ev->pos() ) );
00121 if( item )
00122 {
00123 m_dropItem = item;
00124 m_autoOpenTimer->start( KFileView::autoOpenDelay() );
00125 }
00126 else
00127 {
00128 m_dropItem = 0;
00129 }
00130 }
00131
00132 void KFileTreeView::contentsDragMoveEvent( QDragMoveEvent *e )
00133 {
00134 if( ! acceptDrag( e ) )
00135 {
00136 e->ignore();
00137 return;
00138 }
00139 e->acceptAction();
00140
00141
00142 QListViewItem *afterme;
00143 QListViewItem *parent;
00144
00145 findDrop( e->pos(), parent, afterme );
00146
00147
00148 QListViewItem *item = afterme ? afterme : parent;
00149
00150 if( item && item->isSelectable() )
00151 {
00152 setSelected( item, true );
00153 if( item != m_dropItem ) {
00154 m_autoOpenTimer->stop();
00155 m_dropItem = item;
00156 m_autoOpenTimer->start( KFileView::autoOpenDelay() );
00157 }
00158 }
00159 else
00160 {
00161 m_autoOpenTimer->stop();
00162 m_dropItem = 0;
00163 }
00164 }
00165
00166 void KFileTreeView::contentsDragLeaveEvent( QDragLeaveEvent * )
00167 {
00168
00169 if ( isValidItem(m_currentBeforeDropItem) )
00170 {
00171 setSelected( m_currentBeforeDropItem, true );
00172 ensureItemVisible( m_currentBeforeDropItem );
00173 }
00174 else if ( isValidItem(m_dropItem) )
00175 setSelected( m_dropItem, false );
00176 m_currentBeforeDropItem = 0;
00177 m_dropItem = 0;
00178
00179 }
00180
00181 void KFileTreeView::contentsDropEvent( QDropEvent *e )
00182 {
00183
00184 m_autoOpenTimer->stop();
00185 m_dropItem = 0;
00186
00187 kdDebug(250) << "contentsDropEvent !" << endl;
00188 if( ! acceptDrag( e ) ) {
00189 e->ignore();
00190 return;
00191 }
00192
00193 e->acceptAction();
00194 QListViewItem *afterme;
00195 QListViewItem *parent;
00196 findDrop(e->pos(), parent, afterme);
00197
00198
00199
00200
00201 if (e->source() == viewport() && itemsMovable())
00202 movableDropEvent(parent, afterme);
00203 else
00204 {
00205 emit dropped(e, afterme);
00206 emit dropped(this, e, afterme);
00207 emit dropped(e, parent, afterme);
00208 emit dropped(this, e, parent, afterme);
00209
00210 KURL::List urls;
00211 KURLDrag::decode( e, urls );
00212 emit dropped( this, e, urls );
00213
00214 KURL parentURL;
00215 if( parent )
00216 parentURL = static_cast<KFileTreeViewItem*>(parent)->url();
00217 else
00218
00219
00220 return;
00221
00222 emit dropped( urls, parentURL );
00223 emit dropped( this , e, urls, parentURL );
00224 }
00225 }
00226
00227 bool KFileTreeView::acceptDrag(QDropEvent* e ) const
00228 {
00229
00230 bool ancestOK= acceptDrops();
00231
00232 ancestOK = ancestOK && itemsMovable();
00233
00234
00235
00236
00237
00238
00239
00240
00241
00242 return ancestOK && KURLDrag::canDecode( e ) &&
00243
00244 ( e->action() == QDropEvent::Copy
00245 || e->action() == QDropEvent::Move
00246 || e->action() == QDropEvent::Link );
00247 }
00248
00249
00250
00251 QDragObject * KFileTreeView::dragObject()
00252 {
00253
00254 KURL::List urls;
00255 const QPtrList<QListViewItem> fileList = selectedItems();
00256 QPtrListIterator<QListViewItem> it( fileList );
00257 for ( ; it.current(); ++it )
00258 {
00259 urls.append( static_cast<KFileTreeViewItem*>(it.current())->url() );
00260 }
00261 QPoint hotspot;
00262 QPixmap pixmap;
00263 if( urls.count() > 1 ){
00264 pixmap = DesktopIcon( "kmultiple", 16 );
00265 }
00266 if( pixmap.isNull() )
00267 pixmap = currentKFileTreeViewItem()->fileItem()->pixmap( 16 );
00268 hotspot.setX( pixmap.width() / 2 );
00269 hotspot.setY( pixmap.height() / 2 );
00270 QDragObject* dragObject = new KURLDrag( urls, this );
00271 if( dragObject )
00272 dragObject->setPixmap( pixmap, hotspot );
00273 return dragObject;
00274 }
00275
00276
00277
00278 void KFileTreeView::slotCollapsed( QListViewItem *item )
00279 {
00280 KFileTreeViewItem *kftvi = static_cast<KFileTreeViewItem*>(item);
00281 kdDebug(250) << "hit slotCollapsed" << endl;
00282 if( kftvi && kftvi->isDir())
00283 {
00284 item->setPixmap( 0, itemIcon(kftvi));
00285 }
00286 }
00287
00288 void KFileTreeView::slotExpanded( QListViewItem *item )
00289 {
00290 kdDebug(250) << "slotExpanded here !" << endl;
00291
00292 if( ! item ) return;
00293
00294 KFileTreeViewItem *it = static_cast<KFileTreeViewItem*>(item);
00295 KFileTreeBranch *branch = it->branch();
00296
00297
00298 if( it->isDir() && branch && item->childCount() == 0 )
00299 {
00300
00301 kdDebug(250 ) << "starting to open " << it->url().prettyURL() << endl;
00302 startAnimation( it );
00303 bool branchAnswer = branch->populate( it->url(), it );
00304 kdDebug(250) << "Branches answer: " << branchAnswer << endl;
00305 if( ! branchAnswer )
00306 {
00307 kdDebug(250) << "ERR: Could not populate!" << endl;
00308 stopAnimation( it );
00309 }
00310 }
00311
00312
00313 if( it->isDir() && isOpen( item ) )
00314 {
00315 kdDebug(250)<< "Setting open Pixmap" << endl;
00316 item->setPixmap( 0, itemIcon( it ));
00317 }
00318 }
00319
00320
00321
00322 void KFileTreeView::slotExecuted( QListViewItem *item )
00323 {
00324 if ( !item )
00325 return;
00326
00327
00328
00329 if( static_cast<KFileTreeViewItem*>(item)->isDir())
00330 {
00331 item->setOpen( !item->isOpen() );
00332 }
00333 }
00334
00335
00336 void KFileTreeView::slotAutoOpenFolder()
00337 {
00338 m_autoOpenTimer->stop();
00339
00340 if ( !isValidItem(m_dropItem) || m_dropItem->isOpen() )
00341 return;
00342
00343 m_dropItem->setOpen( true );
00344 m_dropItem->repaint();
00345 }
00346
00347
00348 void KFileTreeView::slotSelectionChanged()
00349 {
00350 if ( !m_dropItem )
00351 {
00352 }
00353 }
00354
00355
00356 KFileTreeBranch* KFileTreeView::addBranch( const KURL &path, const QString& name,
00357 bool showHidden )
00358 {
00359 const QPixmap& folderPix = KMimeType::mimeType("inode/directory")->pixmap( KIcon::Small );
00360
00361 return addBranch( path, name, folderPix, showHidden);
00362 }
00363
00364 KFileTreeBranch* KFileTreeView::addBranch( const KURL &path, const QString& name,
00365 const QPixmap& pix, bool showHidden )
00366 {
00367 kdDebug(250) << "adding another root " << path.prettyURL() << endl;
00368
00369
00370 KFileTreeBranch *newBranch = new KFileTreeBranch( this, path, name, pix,
00371 showHidden );
00372 return addBranch(newBranch);
00373 }
00374
00375 KFileTreeBranch *KFileTreeView::addBranch(KFileTreeBranch *newBranch)
00376 {
00377 connect( newBranch, SIGNAL(populateFinished( KFileTreeViewItem* )),
00378 this, SLOT( slotPopulateFinished( KFileTreeViewItem* )));
00379
00380 connect( newBranch, SIGNAL( newTreeViewItems( KFileTreeBranch*,
00381 const KFileTreeViewItemList& )),
00382 this, SLOT( slotNewTreeViewItems( KFileTreeBranch*,
00383 const KFileTreeViewItemList& )));
00384
00385 m_branches.append( newBranch );
00386 return( newBranch );
00387 }
00388
00389 KFileTreeBranch *KFileTreeView::branch( const QString& searchName )
00390 {
00391 KFileTreeBranch *branch = 0;
00392 QPtrListIterator<KFileTreeBranch> it( m_branches );
00393
00394 while ( (branch = it.current()) != 0 ) {
00395 ++it;
00396 QString bname = branch->name();
00397 kdDebug(250) << "This is the branches name: " << bname << endl;
00398 if( bname == searchName )
00399 {
00400 kdDebug(250) << "Found branch " << bname << " and return ptr" << endl;
00401 return( branch );
00402 }
00403 }
00404 return ( 0L );
00405 }
00406
00407 KFileTreeBranchList& KFileTreeView::branches()
00408 {
00409 return( m_branches );
00410 }
00411
00412
00413 bool KFileTreeView::removeBranch( KFileTreeBranch *branch )
00414 {
00415 if(m_branches.contains(branch))
00416 {
00417 delete (branch->root());
00418 m_branches.remove( branch );
00419 return true;
00420 }
00421 else
00422 {
00423 return false;
00424 }
00425 }
00426
00427 void KFileTreeView::setDirOnlyMode( KFileTreeBranch* branch, bool bom )
00428 {
00429 if( branch )
00430 {
00431 branch->setDirOnlyMode( bom );
00432 }
00433 }
00434
00435
00436 void KFileTreeView::slotPopulateFinished( KFileTreeViewItem *it )
00437 {
00438 if( it && it->isDir())
00439 stopAnimation( it );
00440 }
00441
00442 void KFileTreeView::slotNewTreeViewItems( KFileTreeBranch* branch, const KFileTreeViewItemList& itemList )
00443 {
00444 if( ! branch ) return;
00445 kdDebug(250) << "hitting slotNewTreeViewItems" << endl;
00446
00447
00448
00449
00450
00451
00452
00453
00454 if( ! m_nextUrlToSelect.isEmpty() )
00455 {
00456 KFileTreeViewItemListIterator it( itemList );
00457
00458 bool end = false;
00459 for( ; !end && it.current(); ++it )
00460 {
00461 KURL url = (*it)->url();
00462
00463 if( m_nextUrlToSelect.equals(url, true ))
00464 {
00465 setCurrentItem( static_cast<QListViewItem*>(*it) );
00466 m_nextUrlToSelect = KURL();
00467 end = true;
00468 }
00469 }
00470 }
00471 }
00472
00473 QPixmap KFileTreeView::itemIcon( KFileTreeViewItem *item, int gap ) const
00474 {
00475 QPixmap pix;
00476 kdDebug(250) << "Setting icon for column " << gap << endl;
00477
00478 if( item )
00479 {
00480
00481 KFileTreeBranch *brnch = item->branch();
00482 if( item == brnch->root() )
00483 {
00484 pix = brnch->pixmap();
00485 if( m_wantOpenFolderPixmaps && brnch->root()->isOpen() )
00486 {
00487 pix = brnch->openPixmap();
00488 }
00489 }
00490 else
00491 {
00492
00493 pix = item->fileItem()->pixmap( KIcon::SizeSmall );
00494
00495
00496
00497 if( item->isDir() && m_wantOpenFolderPixmaps )
00498 {
00499 if( isOpen( static_cast<QListViewItem*>(item)))
00500 pix = m_openFolderPixmap;
00501 }
00502 }
00503 }
00504
00505 return pix;
00506 }
00507
00508
00509 void KFileTreeView::slotAnimation()
00510 {
00511 MapCurrentOpeningFolders::Iterator it = m_mapCurrentOpeningFolders.begin();
00512 MapCurrentOpeningFolders::Iterator end = m_mapCurrentOpeningFolders.end();
00513 for (; it != end;)
00514 {
00515 KFileTreeViewItem *item = it.key();
00516 if (!isValidItem(item))
00517 {
00518 MapCurrentOpeningFolders::Iterator deleteIt = it;
00519 ++it;
00520 m_mapCurrentOpeningFolders.remove(item);
00521 continue;
00522 }
00523
00524 uint & iconNumber = it.data().iconNumber;
00525 QString icon = QString::fromLatin1( it.data().iconBaseName ).append( QString::number( iconNumber ) );
00526
00527 item->setPixmap( 0, SmallIcon( icon ));
00528
00529 iconNumber++;
00530 if ( iconNumber > it.data().iconCount )
00531 iconNumber = 1;
00532
00533 ++it;
00534 }
00535 }
00536
00537
00538 void KFileTreeView::startAnimation( KFileTreeViewItem * item, const char * iconBaseName, uint iconCount )
00539 {
00540
00541 if( ! item )
00542 {
00543 kdDebug(250) << " startAnimation Got called without valid item !" << endl;
00544 return;
00545 }
00546
00547 m_mapCurrentOpeningFolders.insert( item,
00548 AnimationInfo( iconBaseName,
00549 iconCount,
00550 itemIcon(item, 0) ) );
00551 if ( !m_animationTimer->isActive() )
00552 m_animationTimer->start( 50 );
00553 }
00554
00555 void KFileTreeView::stopAnimation( KFileTreeViewItem * item )
00556 {
00557 if( ! item ) return;
00558
00559 kdDebug(250) << "Stoping Animation !" << endl;
00560
00561 MapCurrentOpeningFolders::Iterator it = m_mapCurrentOpeningFolders.find(item);
00562 if ( it != m_mapCurrentOpeningFolders.end() )
00563 {
00564 if( item->isDir() && isOpen( item) )
00565 {
00566 kdDebug(250) << "Setting folder open pixmap !" << endl;
00567 item->setPixmap( 0, itemIcon( item ));
00568 }
00569 else
00570 {
00571 item->setPixmap( 0, it.data().originalPixmap );
00572 }
00573 m_mapCurrentOpeningFolders.remove( item );
00574 }
00575 else
00576 {
00577 if( item )
00578 kdDebug(250)<< "StopAnimation - could not find item " << item->url().prettyURL()<< endl;
00579 else
00580 kdDebug(250)<< "StopAnimation - item is zero !" << endl;
00581 }
00582 if (m_mapCurrentOpeningFolders.isEmpty())
00583 m_animationTimer->stop();
00584 }
00585
00586 KFileTreeViewItem * KFileTreeView::currentKFileTreeViewItem() const
00587 {
00588 return static_cast<KFileTreeViewItem *>( selectedItem() );
00589 }
00590
00591 KURL KFileTreeView::currentURL() const
00592 {
00593 KFileTreeViewItem *item = currentKFileTreeViewItem();
00594 if ( item )
00595 return currentKFileTreeViewItem()->url();
00596 else
00597 return KURL();
00598 }
00599
00600 void KFileTreeView::slotOnItem( QListViewItem *item )
00601 {
00602 KFileTreeViewItem *i = static_cast<KFileTreeViewItem *>( item );
00603 if( i )
00604 {
00605 const KURL url = i->url();
00606 if ( url.isLocalFile() )
00607 emit onItem( url.path() );
00608 else
00609 emit onItem( url.prettyURL() );
00610 }
00611 }
00612
00613 void KFileTreeView::slotItemRenamed(QListViewItem* item, const QString &name, int col)
00614 {
00615 (void) item;
00616 kdDebug(250) << "Do not bother: " << name << col << endl;
00617 }
00618
00619 KFileTreeViewItem *KFileTreeView::findItem( const QString& branchName, const QString& relUrl )
00620 {
00621 KFileTreeBranch *br = branch( branchName );
00622 return( findItem( br, relUrl ));
00623 }
00624
00625 KFileTreeViewItem *KFileTreeView::findItem( KFileTreeBranch* brnch, const QString& relUrl )
00626 {
00627 KFileTreeViewItem *ret = 0;
00628 if( brnch )
00629 {
00630 KURL url = brnch->rootUrl();
00631
00632 if( ! relUrl.isEmpty() && relUrl != QString::fromLatin1("/") )
00633 {
00634 QString partUrl( relUrl );
00635
00636 if( partUrl.endsWith("/"))
00637 partUrl.truncate( relUrl.length()-1 );
00638
00639 url.addPath( partUrl );
00640
00641 kdDebug(250) << "assembled complete dir string " << url.prettyURL() << endl;
00642
00643 KFileItem *fi = brnch->findByURL( url );
00644 if( fi )
00645 {
00646 ret = static_cast<KFileTreeViewItem*>( fi->extraData( brnch ));
00647 kdDebug(250) << "Found item !" <<ret << endl;
00648 }
00649 }
00650 else
00651 {
00652 ret = brnch->root();
00653 }
00654 }
00655 return( ret );
00656 }
00657
00660
00661
00662 void KFileTreeViewToolTip::maybeTip( const QPoint & )
00663 {
00664 #if 0
00665 QListViewItem *item = m_view->itemAt( point );
00666 if ( item ) {
00667 QString text = static_cast<KFileViewItem*>( item )->toolTipText();
00668 if ( !text.isEmpty() )
00669 tip ( m_view->itemRect( item ), text );
00670 }
00671 #endif
00672 }
00673
00674 void KFileTreeView::virtual_hook( int id, void* data )
00675 { KListView::virtual_hook( id, data ); }
00676
00677 #include "kfiletreeview.moc"