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# kfiledetailview.cpp

    00001 // -*- c++ -*-
    00002 /* This file is part of the KDE libraries
    00003    Copyright (C) 1997 Stephan Kulow <coolo@kde.org>
    00004                  2000, 2001 Carsten Pfeiffer <pfeiffer@kde.org>
    00005
    00006    This library is free software; you can redistribute it and/or
    00007    modify it under the terms of the GNU Library General Public
    00008    License as published by the Free Software Foundation; either
    00009    version 2 of the License, or (at your option) any later version.
    00010
    00011    This library is distributed in the hope that it will be useful,
    00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014    Library General Public License for more details.
    00015
    00016    You should have received a copy of the GNU Library General Public License
    00017    along with this library; see the file COPYING.LIB.   If not, write to
    00018    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00019    Boston, MA 02111-1307, USA.
    00020 */
    00021
    00022 #include <qevent.h>
    00023 #include <qkeycode.h>
    00024 #include <qheader.h>
    00025 #include <qpainter.h>
    00026 #include <qpixmap.h>
    00027
    00028 #include <kapplication.h>
    00029 #include <kfileitem.h>
    00030 #include <kglobal.h>
    00031 #include <kglobalsettings.h>
    00032 #include <kicontheme.h>
    00033 #include <klocale.h>
    00034 #include <kdebug.h>
    00035
    00036 #include "kfiledetailview.h"
    00037 #include "config-kfile.h"
    00038
    00039 #define COL_NAME 0
    00040 #define COL_SIZE 1
    00041 #define COL_DATE 2
    00042 #define COL_PERM 3
    00043 #define COL_OWNER 4
    00044 #define COL_GROUP 5
    00045
    00046 KFileDetailView::KFileDetailView(QWidget *parent, const char *name)
    00047     : KListView(parent, name), KFileView()
    00048 {
    00049     m_sortingCol = COL_NAME;
    00050     m_blockSortingSignal = false;
    00051     setViewName( i18n("Detailed View") );
    00052
    00053     addColumn( i18n( "Name" ) );
    00054     addColumn( i18n( "Size" ) );
    00055     addColumn( i18n( "Date" ) );
    00056     addColumn( i18n( "Permissions" ) );
    00057     addColumn( i18n( "Owner" ) );
    00058     addColumn( i18n( "Group" ) );
    00059     setShowSortIndicator( TRUE );
    00060     setAllColumnsShowFocus( TRUE );
    00061
    00062     connect( header(), SIGNAL( sectionClicked(int)),
    00063              SLOT(slotSortingChanged(int) ));
    00064
    00065
    00066     connect( this, SIGNAL( returnPressed(QListViewItem *) ),
    00067              SLOT( slotActivate( QListViewItem *) ) );
    00068
    00069     connect( this, SIGNAL( clicked(QListViewItem *, const QPoint&, int)),
    00070              SLOT( selected( QListViewItem *) ) );
    00071     connect( this, SIGNAL( doubleClicked(QListViewItem *, const QPoint&, int)),
    00072              SLOT( slotActivate( QListViewItem *) ) );
    00073
    00074     connect( this, SIGNAL(contextMenuRequested( QListViewItem *,
    00075                                                 const QPoint &, int )),
    00076              this, SLOT( slotActivateMenu( QListViewItem *, const QPoint& )));
    00077
    00078     KFile::SelectionMode sm = KFileView::selectionMode();
    00079     switch ( sm ) {
    00080     case KFile::Multi:
    00081         QListView::setSelectionMode( QListView::Multi );
    00082         break;
    00083     case KFile::Extended:
    00084         QListView::setSelectionMode( QListView::Extended );
    00085         break;
    00086     case KFile::NoSelection:
    00087         QListView::setSelectionMode( QListView::NoSelection );
    00088         break;
    00089     default: // fall through
    00090     case KFile::Single:
    00091         QListView::setSelectionMode( QListView::Single );
    00092         break;
    00093     }
    00094
    00095     // for highlighting
    00096     if ( sm == KFile::Multi || sm == KFile::Extended )
    00097         connect( this, SIGNAL( selectionChanged() ),
    00098                  SLOT( slotSelectionChanged() ));
    00099     else
    00100         connect( this, SIGNAL( selectionChanged( QListViewItem * ) ),
    00101                  SLOT( highlighted( QListViewItem * ) ));
    00102
    00103     setSorting( sorting() );
    00104
    00105
    00106     m_resolver =
    00107         new KMimeTypeResolver<KFileListViewItem,KFileDetailView>( this );
    00108 }
    00109
    00110 KFileDetailView::~KFileDetailView()
    00111 {
    00112     delete m_resolver;
    00113 }
    00114
    00115 void KFileDetailView::setSelected( const KFileItem *info, bool enable )
    00116 {
    00117     if ( !info )
    00118         return;
    00119
    00120     // we can only hope that this casts works
    00121     KFileListViewItem *item = (KFileListViewItem*)info->extraData( this );
    00122
    00123     if ( item )
    00124         KListView::setSelected( item, enable );
    00125 }
    00126
    00127 void KFileDetailView::setCurrentItem( const KFileItem *item )
    00128 {
    00129     if ( !item )
    00130         return;
    00131     KFileListViewItem *it = (KFileListViewItem*) item->extraData( this );
    00132     if ( it )
    00133         KListView::setCurrentItem( it );
    00134 }
    00135
    00136 KFileItem * KFileDetailView::currentFileItem() const
    00137 {
    00138     KFileListViewItem *current = static_cast<KFileListViewItem*>( currentItem() );
    00139     if ( current )
    00140         return current->fileInfo();
    00141
    00142     return 0L;
    00143 }
    00144
    00145 void KFileDetailView::clearSelection()
    00146 {
    00147     KListView::clearSelection();
    00148 }
    00149
    00150 void KFileDetailView::selectAll()
    00151 {
    00152     if (KFileView::selectionMode() == KFile::NoSelection ||
    00153         KFileView::selectionMode() == KFile::Single)
    00154         return;
    00155
    00156     KListView::selectAll( true );
    00157 }
    00158
    00159 void KFileDetailView::invertSelection()
    00160 {
    00161     KListView::invertSelection();
    00162 }
    00163
    00164 void KFileDetailView::slotActivateMenu (QListViewItem *item,const QPoint& pos )
    00165 {
    00166     if ( !item ) {
    00167         sig->activateMenu( 0, pos );
    00168         return;
    00169     }
    00170     KFileListViewItem *i = (KFileListViewItem*) item;
    00171     sig->activateMenu( i->fileInfo(), pos );
    00172 }
    00173
    00174 void KFileDetailView::clearView()
    00175 {
    00176     m_resolver->m_lstPendingMimeIconItems.clear();
    00177     KListView::clear();
    00178 }
    00179
    00180 void KFileDetailView::insertItem( KFileItem *i )
    00181 {
    00182     KFileView::insertItem( i );
    00183
    00184     KFileListViewItem *item = new KFileListViewItem( (QListView*) this, i );
    00185
    00186     setSortingKey( item, i );
    00187
    00188     i->setExtraData( this, item );
    00189
    00190     if ( !i->isMimeTypeKnown() )
    00191         m_resolver->m_lstPendingMimeIconItems.append( item );
    00192 }
    00193
    00194 void KFileDetailView::slotActivate( QListViewItem *item )
    00195 {
    00196     if ( !item )
    00197         return;
    00198
    00199     const KFileItem *fi = ( (KFileListViewItem*)item )->fileInfo();
    00200     if ( fi )
    00201         sig->activate( fi );
    00202 }
    00203
    00204 void KFileDetailView::selected( QListViewItem *item )
    00205 {
    00206     if ( !item )
    00207         return;
    00208
    00209     if ( KGlobalSettings::singleClick() ) {
    00210         const KFileItem *fi = ( (KFileListViewItem*)item )->fileInfo();
    00211         if ( fi && (fi->isDir() || !onlyDoubleClickSelectsFiles()) )
    00212             sig->activate( fi );
    00213     }
    00214 }
    00215
    00216 void KFileDetailView::highlighted( QListViewItem *item )
    00217 {
    00218     if ( !item )
    00219         return;
    00220
    00221     const KFileItem *fi = ( (KFileListViewItem*)item )->fileInfo();
    00222     if ( fi )
    00223         sig->highlightFile( fi );
    00224 }
    00225
    00226
    00227 void KFileDetailView::setSelectionMode( KFile::SelectionMode sm )
    00228 {
    00229     disconnect( this, SIGNAL( selectionChanged() ));
    00230     disconnect( this, SIGNAL( selectionChanged( QListViewItem * ) ));
    00231
    00232     KFileView::setSelectionMode( sm );
    00233
    00234     switch ( KFileView::selectionMode() ) {
    00235     case KFile::Multi:
    00236         QListView::setSelectionMode( QListView::Multi );
    00237         break;
    00238     case KFile::Extended:
    00239         QListView::setSelectionMode( QListView::Extended );
    00240         break;
    00241     case KFile::NoSelection:
    00242         QListView::setSelectionMode( QListView::NoSelection );
    00243         break;
    00244     default: // fall through
    00245     case KFile::Single:
    00246         QListView::setSelectionMode( QListView::Single );
    00247         break;
    00248     }
    00249
    00250     if ( sm == KFile::Multi || sm == KFile::Extended )
    00251         connect( this, SIGNAL( selectionChanged() ),
    00252                  SLOT( slotSelectionChanged() ));
    00253     else
    00254         connect( this, SIGNAL( selectionChanged( QListViewItem * )),
    00255                  SLOT( highlighted( QListViewItem * )));
    00256 }
    00257
    00258 bool KFileDetailView::isSelected( const KFileItem *i ) const
    00259 {
    00260     if ( !i )
    00261         return false;
    00262
    00263     KFileListViewItem *item = (KFileListViewItem*) i->extraData( this );
    00264     return (item && item->isSelected());
    00265 }
    00266
    00267
    00268 void KFileDetailView::updateView( bool b )
    00269 {
    00270     if ( !b )
    00271         return;
    00272
    00273     QListViewItemIterator it( (QListView*)this );
    00274     for ( ; it.current(); ++it ) {
    00275         KFileListViewItem *item=static_cast<KFileListViewItem *>(it.current());
    00276         item->setPixmap( 0, item->fileInfo()->pixmap(KIcon::SizeSmall) );
    00277     }
    00278 }
    00279
    00280 void KFileDetailView::updateView( const KFileItem *i )
    00281 {
    00282     if ( !i )
    00283         return;
    00284
    00285     KFileListViewItem *item = (KFileListViewItem*) i->extraData( this );
    00286     if ( !item )
    00287         return;
    00288
    00289     item->init();
    00290     setSortingKey( item, i );
    00291
    00292     //item->repaint(); // only repaints if visible
    00293 }
    00294
    00295 void KFileDetailView::setSortingKey( KFileListViewItem *item,
    00296                                      const KFileItem *i )
    00297 {
    00298     // see also setSorting()
    00299     QDir::SortSpec spec = KFileView::sorting();
    00300
    00301     if ( spec & QDir::Time )
    00302         item->setKey( sortingKey( i->time( KIO::UDS_MODIFICATION_TIME ),
    00303                                   i->isDir(), spec ));
    00304     else if ( spec & QDir::Size )
    00305         item->setKey( sortingKey( i->size(), i->isDir(), spec ));
    00306
    00307     else // Name or Unsorted
    00308         item->setKey( sortingKey( i->text(), i->isDir(), spec ));
    00309 }
    00310
    00311
    00312 void KFileDetailView::removeItem( const KFileItem *i )
    00313 {
    00314     if ( !i )
    00315         return;
    00316
    00317     KFileListViewItem *item = (KFileListViewItem*) i->extraData( this );
    00318     m_resolver->m_lstPendingMimeIconItems.remove( item );
    00319     delete item;
    00320
    00321     KFileView::removeItem( i );
    00322 }
    00323
    00324 void KFileDetailView::slotSortingChanged( int col )
    00325 {
    00326     QDir::SortSpec sort = sorting();
    00327     int sortSpec = -1;
    00328     bool reversed = col == m_sortingCol && (sort & QDir::Reversed) == 0;
    00329     m_sortingCol = col;
    00330
    00331     switch( col ) {
    00332         case COL_NAME:
    00333             sortSpec = (sort & ~QDir::SortByMask | QDir::Name);
    00334             break;
    00335         case COL_SIZE:
    00336             sortSpec = (sort & ~QDir::SortByMask | QDir::Size);
    00337             break;
    00338         case COL_DATE:
    00339             sortSpec = (sort & ~QDir::SortByMask | QDir::Time);
    00340             break;
    00341
    00342         // the following columns have no equivalent in QDir, so we set it
    00343         // to QDir::Unsorted and remember the column (m_sortingCol)
    00344         case COL_OWNER:
    00345         case COL_GROUP:
    00346         case COL_PERM:
    00347             // grmbl, QDir::Unsorted == SortByMask.
    00348             sortSpec = (sort & ~QDir::SortByMask);// | QDir::Unsorted;
    00349             break;
    00350         default:
    00351             break;
    00352     }
    00353
    00354     if ( reversed )
    00355         sortSpec |= QDir::Reversed;
    00356     else
    00357         sortSpec &= ~QDir::Reversed;
    00358
    00359     if ( sort & QDir::IgnoreCase )
    00360         sortSpec |= QDir::IgnoreCase;
    00361     else
    00362         sortSpec &= ~QDir::IgnoreCase;
    00363
    00364
    00365     KFileView::setSorting( static_cast<QDir::SortSpec>( sortSpec ) );
    00366
    00367     KFileItem *item;
    00368     KFileItemListIterator it( *items() );
    00369
    00370     if ( sortSpec & QDir::Time ) {
    00371         for ( ; (item = it.current()); ++it )
    00372             viewItem(item)->setKey( sortingKey( item->time( KIO::UDS_MODIFICATION_TIME ), item->isDir(), sortSpec ));
    00373     }
    00374
    00375     else if ( sortSpec & QDir::Size ) {
    00376         for ( ; (item = it.current()); ++it )
    00377             viewItem(item)->setKey( sortingKey( item->size(), item->isDir(),
    00378                                                 sortSpec ));
    00379     }
    00380     else { // Name or Unsorted -> use column text
    00381         for ( ; (item = it.current()); ++it ) {
    00382             KFileListViewItem *i = viewItem( item );
    00383             i->setKey( sortingKey( i->text(m_sortingCol), item->isDir(),
    00384                                    sortSpec ));
    00385         }
    00386     }
    00387
    00388     KListView::setSorting( m_sortingCol, !reversed );
    00389     KListView::sort();
    00390
    00391     if ( !m_blockSortingSignal )
    00392         sig->changeSorting( static_cast<QDir::SortSpec>( sortSpec ) );
    00393 }
    00394
    00395
    00396 void KFileDetailView::setSorting( QDir::SortSpec spec )
    00397 {
    00398     int col = 0;
    00399     if ( spec & QDir::Time )
    00400         col = COL_DATE;
    00401     else if ( spec & QDir::Size )
    00402         col = COL_SIZE;
    00403     else if ( spec & QDir::Unsorted )
    00404         col = m_sortingCol;
    00405     else
    00406         col = COL_NAME;
    00407
    00408     // inversed, because slotSortingChanged will reverse it
    00409     if ( spec & QDir::Reversed )
    00410         spec = (QDir::SortSpec) (spec & ~QDir::Reversed);
    00411     else
    00412         spec = (QDir::SortSpec) (spec | QDir::Reversed);
    00413
    00414     m_sortingCol = col;
    00415     KFileView::setSorting( (QDir::SortSpec) spec );
    00416
    00417
    00418     // don't emit sortingChanged() when called via setSorting()
    00419     m_blockSortingSignal = true; // can't use blockSignals()
    00420     slotSortingChanged( col );
    00421     m_blockSortingSignal = false;
    00422 }
    00423
    00424 void KFileDetailView::ensureItemVisible( const KFileItem *i )
    00425 {
    00426     if ( !i )
    00427         return;
    00428
    00429     KFileListViewItem *item = (KFileListViewItem*) i->extraData( this );
    00430
    00431     if ( item )
    00432         KListView::ensureItemVisible( item );
    00433 }
    00434
    00435 // we're in multiselection mode
    00436 void KFileDetailView::slotSelectionChanged()
    00437 {
    00438     sig->highlightFile( 0L );
    00439 }
    00440
    00441 KFileItem * KFileDetailView::firstFileItem() const
    00442 {
    00443     KFileListViewItem *item = static_cast<KFileListViewItem*>( firstChild() );
    00444     if ( item )
    00445         return item->fileInfo();
    00446     return 0L;
    00447 }
    00448
    00449 KFileItem * KFileDetailView::nextItem( const KFileItem *fileItem ) const
    00450 {
    00451     if ( fileItem ) {
    00452         KFileListViewItem *item = viewItem( fileItem );
    00453         if ( item && item->itemBelow() )
    00454             return ((KFileListViewItem*) item->itemBelow())->fileInfo();
    00455         else
    00456             return 0L;
    00457     }
    00458     else
    00459         return firstFileItem();
    00460 }
    00461
    00462 KFileItem * KFileDetailView::prevItem( const KFileItem *fileItem ) const
    00463 {
    00464     if ( fileItem ) {
    00465         KFileListViewItem *item = viewItem( fileItem );
    00466         if ( item && item->itemAbove() )
    00467             return ((KFileListViewItem*) item->itemAbove())->fileInfo();
    00468         else
    00469             return 0L;
    00470     }
    00471     else
    00472         return firstFileItem();
    00473 }
    00474
    00475 void KFileDetailView::keyPressEvent( QKeyEvent *e )
    00476 {
    00477     KListView::keyPressEvent( e );
    00478
    00479     if ( e->key() == Key_Return || e->key() == Key_Enter ) {
    00480         if ( e->state() & ControlButton )
    00481             e->ignore();
    00482         else
    00483             e->accept();
    00484     }
    00485 }
    00486
    00487 //
    00488 // mimetype determination on demand
    00489 //
    00490 void KFileDetailView::mimeTypeDeterminationFinished()
    00491 {
    00492     // anything to do?
    00493 }
    00494
    00495 void KFileDetailView::determineIcon( KFileListViewItem *item )
    00496 {
    00497     (void) item->fileInfo()->determineMimeType();
    00498     updateView( item->fileInfo() );
    00499 }
    00500
    00501 void KFileDetailView::listingCompleted()
    00502 {
    00503     m_resolver->start();
    00504 }
    00506
    00507
    00508 void KFileListViewItem::init()
    00509 {
    00510     KFileListViewItem::setPixmap( COL_NAME, inf->pixmap(KIcon::SizeSmall));
    00511
    00512     setText( COL_NAME, inf->text() );
    00513     setText( COL_SIZE, KGlobal::locale()->formatNumber( inf->size(), 0));
    00514     setText( COL_DATE,  inf->timeString() );
    00515     setText( COL_PERM,  inf->permissionsString() );
    00516     setText( COL_OWNER, inf->user() );
    00517     setText( COL_GROUP, inf->group() );
    00518 }
    00519
    00520
    00521 void KFileDetailView::virtual_hook( int id, void* data )
    00522 { KListView::virtual_hook( id, data );
    00523   KFileView::virtual_hook( id, data ); }
    00524
    00525 #include "kfiledetailview.moc"

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:13:26 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001