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tdeutils/ark/filelistview.cpp

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/*
ark -- archiver for the KDE project
Copyright (C)
2005: Henrique Pinto <henrique.pinto@kdemail.net>
2003: Georg Robbers <Georg.Robbers@urz.uni-hd.de>
2001: Corel Corporation (author: Michael Jarrett, michaelj@corel.com)
1999-2000: Corel Corporation (author: Emily Ezust, emilye@corel.com)
1999: Francois-Xavier Duranceau duranceau@kde.org
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// TQt includes
#include <tqpainter.h>
#include <tqwhatsthis.h>
#include <tqheader.h>
// KDE includes
#include <klocale.h>
#include <kglobal.h>
#include <kdebug.h>
#include <kglobalsettings.h>
#include <kmimetype.h>
#include "filelistview.h"
#include "arch.h"
/////////////////////////////////////////////////////////////////////
// FileLVI implementation
/////////////////////////////////////////////////////////////////////
FileLVI::FileLVI( KListView* lv )
: KListViewItem( lv ), m_fileSize( 0 ), m_packedFileSize( 0 ),
m_ratio( 0 ), m_timeStamp( TQDateTime() ), m_entryName( TQString() )
{
}
FileLVI::FileLVI( KListViewItem* lvi )
: KListViewItem( lvi ), m_fileSize( 0 ), m_packedFileSize( 0 ),
m_ratio( 0 ), m_timeStamp( TQDateTime() ), m_entryName( TQString() )
{
}
TQString FileLVI::key( int column, bool ascending ) const
{
if ( column == 0 )
return fileName();
else
return TQListViewItem::key( column, ascending );
}
int FileLVI::compare( TQListViewItem * i, int column, bool ascending ) const
{
FileLVI * item = static_cast< FileLVI * >( i );
if ( ( this->childCount() > 0 ) && ( item->childCount() == 0 ) )
return -1;
if ( ( this->childCount() == 0 ) && ( item->childCount() > 0 ) )
return 1;
if ( column == 0 )
return KListViewItem::compare( i, column, ascending );
columnName colName = ( static_cast< FileListView * > ( listView() ) )->nameOfColumn( column );
switch ( colName )
{
case sizeCol:
{
return ( m_fileSize < item->fileSize() ? -1 :
( m_fileSize > item->fileSize() ? 1 : 0 )
);
break;
}
case ratioStrCol:
{
return ( m_ratio < item->ratio() ? -1 :
( m_ratio > item->ratio() ? 1 : 0 )
);
break;
}
case packedStrCol:
{
return ( m_packedFileSize < item->packedFileSize() ? -1 :
( m_packedFileSize > item->packedFileSize() ? 1 : 0 )
);
break;
}
case timeStampStrCol:
{
return ( m_timeStamp < item->timeStamp() ? -1 :
( m_timeStamp > item->timeStamp() ? 1 : 0 )
);
break;
}
default:
return KListViewItem::compare( i, column, ascending );
}
}
void FileLVI::setText( int column, const TQString &text )
{
columnName colName = ( static_cast< FileListView * > ( listView() ) )->nameOfColumn( column );
if ( column == 0 )
{
TQString name = text;
if ( name.endsWith( "/" ) )
name = name.left( name.length() - 1 );
if ( name.startsWith( "/" ) )
name = name.mid( 1 );
int pos = name.findRev( '/' );
if ( pos != -1 )
name = name.right( name.length() - pos - 1 );
TQListViewItem::setText( column, name );
m_entryName = text;
}
else if ( colName == sizeCol )
{
m_fileSize = text.toULongLong();
TQListViewItem::setText( column, KIO::convertSize( m_fileSize ) );
}
else if ( colName == packedStrCol )
{
m_packedFileSize = text.toULongLong();
TQListViewItem::setText( column, KIO::convertSize( m_packedFileSize ) );
}
else if ( colName == ratioStrCol )
{
int l = text.length() - 1;
if ( l>0 && text[l] == '%' )
m_ratio = text.left(l).toDouble();
else
m_ratio = text.toDouble();
TQListViewItem::setText( column, i18n( "Packed Ratio", "%1 %" )
.arg(KGlobal::locale()->formatNumber( m_ratio, 1 ) )
);
}
else if ( colName == timeStampStrCol )
{
if ( text.isEmpty() )
TQListViewItem::setText(column, text);
else
{
m_timeStamp = TQDateTime::fromString( text, Qt::ISODate );
TQListViewItem::setText( column, KGlobal::locale()->formatDateTime( m_timeStamp ) );
}
}
else
TQListViewItem::setText(column, text);
}
static FileLVI* folderLVI( KListViewItem *parent, const TQString& name )
{
FileLVI *folder = new FileLVI( parent );
folder->setText( 0, name );
folder->setPixmap( 0, KMimeType::mimeType( "inode/directory" )->pixmap( KIcon::Small ) );
return folder;
}
static FileLVI* folderLVI( KListView *parent, const TQString& name )
{
FileLVI *folder = new FileLVI( parent );
folder->setText( 0, name );
folder->setPixmap( 0, KMimeType::mimeType( "inode/directory" )->pixmap( KIcon::Small ) );
return folder;
}
/////////////////////////////////////////////////////////////////////
// FileListView implementation
/////////////////////////////////////////////////////////////////////
FileListView::FileListView(TQWidget *parent, const char* name)
: KListView(parent, name)
{
TQWhatsThis::add( this,
i18n( "This area is for displaying information about the files contained within an archive." )
);
setMultiSelection( true );
setSelectionModeExt( FileManager );
setItemsMovable( false );
setRootIsDecorated( true );
setShowSortIndicator( true );
setItemMargin( 3 );
header()->hide(); // Don't show the header until there is something to be shown in it
m_pressed = false;
}
int FileListView::addColumn ( const TQString & label, int width )
{
int index = KListView::addColumn( label, width );
if ( label == SIZE_COLUMN.first )
{
m_columnMap[ index ] = sizeCol;
}
else if ( label == PACKED_COLUMN.first )
{
m_columnMap[ index ] = packedStrCol;
}
else if ( label == RATIO_COLUMN.first )
{
m_columnMap[ index ] = ratioStrCol;
}
else if ( label == TIMESTAMP_COLUMN.first )
{
m_columnMap[ index ] = timeStampStrCol;
}
else
{
m_columnMap[ index ] = otherCol;
}
return index;
}
void FileListView::removeColumn( int index )
{
for ( unsigned int i = index; i < m_columnMap.count() - 2; i++ )
{
m_columnMap.replace( i, m_columnMap[ i + 1 ] );
}
m_columnMap.remove( m_columnMap[ m_columnMap.count() - 1 ] );
KListView::removeColumn( index );
}
columnName FileListView::nameOfColumn( int index )
{
return m_columnMap[ index ];
}
TQStringList FileListView::selectedFilenames()
{
TQStringList files;
FileLVI *item = static_cast<FileLVI*>( firstChild() );
while ( item )
{
if ( item->isSelected() )
{
// If the item has children, add each child and the item
if ( item->childCount() > 0 )
{
files += item->fileName();
files += childrenOf( item );
/* If we got here, then the logic for "going to the next item"
* is a bit different: as we already dealt with all the children,
* the "next item" is the next sibling of the current item, not
* its first child. If the current item has no siblings, then
* the next item is the next sibling of its parent, and so on.
*/
FileLVI *nitem = static_cast<FileLVI*>( item->nextSibling() );
while ( !nitem && item->parent() )
{
item = static_cast<FileLVI*>( item->parent() );
if ( item->parent() )
nitem = static_cast<FileLVI*>( item->parent()->nextSibling() );
}
item = nitem;
continue;
}
else
{
// If the item has no children, just add it to the list
files += item->fileName();
}
}
// Go to the next item
item = static_cast<FileLVI*>( item->itemBelow() );
}
return files;
}
TQStringList FileListView::fileNames()
{
TQStringList files;
TQListViewItemIterator it( this );
while ( it.current() )
{
FileLVI *item = static_cast<FileLVI*>( it.current() );
files += item->fileName();
++it;
}
return files;
}
bool FileListView::isSelectionEmpty()
{
FileLVI * flvi = (FileLVI*)firstChild();
while (flvi)
{
if( flvi->isSelected() )
return false;
else
flvi = (FileLVI*)flvi->itemBelow();
}
return true;
}
void
FileListView::contentsMousePressEvent(TQMouseEvent *e)
{
if( e->button()==Qt::LeftButton )
{
m_pressed = true;
m_presspos = e->pos();
}
KListView::contentsMousePressEvent(e);
}
void
FileListView::contentsMouseReleaseEvent(TQMouseEvent *e)
{
m_pressed = false;
KListView::contentsMouseReleaseEvent(e);
}
void
FileListView::contentsMouseMoveEvent(TQMouseEvent *e)
{
if(!m_pressed)
{
KListView::contentsMouseMoveEvent(e);
}
else if( ( m_presspos - e->pos() ).manhattanLength() > KGlobalSettings::dndEventDelay() )
{
m_pressed = false; // Prevent triggering again
if(isSelectionEmpty())
{
return;
}
TQStringList dragFiles = selectedFilenames();
emit startDragRequest( dragFiles );
KListView::contentsMouseMoveEvent(e);
}
}
FileLVI*
FileListView::item(const TQString& filename) const
{
FileLVI * flvi = (FileLVI*) firstChild();
while (flvi)
{
TQString curFilename = flvi->fileName();
if (curFilename == filename)
return flvi;
flvi = (FileLVI*) flvi->nextSibling();
}
return 0;
}
void FileListView::addItem( const TQStringList & entries )
{
FileLVI *flvi, *parent = findParent( entries[0] );
if ( parent )
flvi = new FileLVI( parent );
else
flvi = new FileLVI( this );
int i = 0;
for (TQStringList::ConstIterator it = entries.begin(); it != entries.end(); ++it)
{
flvi->setText(i, *it);
++i;
}
KMimeType::Ptr mimeType = KMimeType::findByPath( entries.first(), 0, true );
flvi->setPixmap( 0, mimeType->pixmap( KIcon::Small ) );
}
void FileListView::selectAll()
{
TQListView::selectAll( true );
}
void FileListView::unselectAll()
{
TQListView::selectAll( false );
}
void FileListView::setHeaders( const ColumnList& columns )
{
clearHeaders();
for ( ColumnList::const_iterator it = columns.constBegin();
it != columns.constEnd();
++it )
{
TQPair< TQString, TQt::AlignmentFlags > pair = *it;
int colnum = addColumn( pair.first );
setColumnAlignment( colnum, pair.second );
}
setResizeMode( TQListView::LastColumn );
header()->show();
}
void FileListView::clearHeaders()
{
header()->hide();
while ( columns() > 0 )
{
removeColumn( 0 );
}
}
int FileListView::totalFiles()
{
int numFiles = 0;
TQListViewItemIterator it( this );
while ( it.current() )
{
if ( it.current()->childCount() == 0 )
++numFiles;
++it;
}
return numFiles;
}
int FileListView::selectedFilesCount()
{
int numFiles = 0;
TQListViewItemIterator it( this, TQListViewItemIterator::Selected );
while ( it.current() )
{
++numFiles;
++it;
}
return numFiles;
}
KIO::filesize_t FileListView::totalSize()
{
KIO::filesize_t size = 0;
TQListViewItemIterator it(this);
while ( it.current() )
{
FileLVI *item = static_cast<FileLVI*>( it.current() );
size += item->fileSize();
++it;
}
return size;
}
KIO::filesize_t FileListView::selectedSize()
{
KIO::filesize_t size = 0;
TQListViewItemIterator it( this, TQListViewItemIterator::Selected );
while ( it.current() )
{
FileLVI *item = static_cast<FileLVI*>( it.current() );
size += item->fileSize();
++it;
}
return size;
}
FileLVI* FileListView::findParent( const TQString& fullname )
{
TQString name = fullname;
if ( name.endsWith( "/" ) )
name = name.left( name.length() -1 );
if ( name.startsWith( "/" ) )
name = name.mid( 1 );
// Checks if this entry needs a parent
if ( !name.contains( '/' ) )
return static_cast< FileLVI* >( 0 );
// Get a list of ancestors
TQString parentFullname = name.left( name.findRev( '/' ) );
TQStringList ancestorList = TQStringList::split( '/', parentFullname );
// Checks if the listview contains the first item in the list of ancestors
TQListViewItem *item = firstChild();
while ( item )
{
if ( item->text( 0 ) == ancestorList[0] )
break;
item = item->nextSibling();
}
// If the list view does not contain the item, create it
if ( !item )
{
item = folderLVI( this, ancestorList[0] );
}
// We've already dealt with the first item, remove it
ancestorList.pop_front();
while ( ancestorList.count() > 0 )
{
TQString name = ancestorList[0];
FileLVI *parent = static_cast< FileLVI*>( item );
item = parent->firstChild();
while ( item )
{
if ( item->text(0) == name )
break;
item = item->nextSibling();
}
if ( !item )
{
item = folderLVI( parent, name );
}
ancestorList.pop_front();
}
item->setOpen( true );
return static_cast< FileLVI* >( item );
}
TQStringList FileListView::childrenOf( FileLVI* parent )
{
Q_ASSERT( parent );
TQStringList children;
FileLVI *item = static_cast<FileLVI*>( parent->firstChild() );
while ( item )
{
if ( item->childCount() == 0 )
{
children += item->fileName();
}
else
{
children += item->fileName();
children += childrenOf( item );
}
item = static_cast<FileLVI*>( item->nextSibling() );
}
return children;
}
#include "filelistview.moc"
// kate: space-indent off; tab-width 4;