kdat/TapeInfoWidget.cpp

   1 // KDat - a tar-based DAT archiver
   2 // Copyright (C) 1998-2000  Sean Vyain, svyain@mail.tds.net
   3 // Copyright (C) 2001-2002  Lawrence Widman, kdat@cardiothink.com
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19 #include <stdlib.h>
  20 #include <time.h>
  21
  22 #include <QComboBox>
  23 #include <QLabel>
  24 #include <QLayout>
  25 #include <QLineEdit>
  26 //Added by qt3to4:
  27 #include <QVBoxLayout>
  28 #include <QHBoxLayout>
  29
  30 #include <kglobal.h>
  31 #include <klocale.h>
  32 #include <kpushbutton.h>
  33 #include <KStandardGuiItem>
  34
  35 #include "Options.h"
  36 #include "Tape.h"
  37 #include "TapeInfoWidget.h"
  38 #include "Util.h"
  39
  40 #include "TapeInfoWidget.moc"
  41
  42 TapeInfoWidget::TapeInfoWidget( QWidget* parent, const char* name )
  43         : QWidget( parent, name ),
  44           _tape( 0 )
  45 {
  46     QLabel* lbl1 = new QLabel( i18n( "Tape name:" ), this );
  47     QLabel* lbl2 = new QLabel( i18n( "Tape size:" ), this );
  48     QLabel* lbl3 = new QLabel( i18n( "Tape ID:" ), this );
  49     QLabel* lbl4 = new QLabel( i18n( "Created on:" ), this );
  50     QLabel* lbl5 = new QLabel( i18n( "Last modified:" ), this );
  51     QLabel* lbl6 = new QLabel( i18n( "Archive count:" ), this );
  52     QLabel* lbl7 = new QLabel( i18n( "Space used:" ), this );
  53
  54     int max = lbl1->sizeHint().width();
  55     if ( lbl2->sizeHint().width() > max ) max = lbl2->sizeHint().width();
  56     if ( lbl3->sizeHint().width() > max ) max = lbl3->sizeHint().width();
  57     if ( lbl4->sizeHint().width() > max ) max = lbl4->sizeHint().width();
  58     if ( lbl5->sizeHint().width() > max ) max = lbl5->sizeHint().width();
  59     if ( lbl6->sizeHint().width() > max ) max = lbl6->sizeHint().width();
  60     if ( lbl7->sizeHint().width() > max ) max = lbl7->sizeHint().width();
  61
  62     lbl1->setFixedSize( max, lbl1->sizeHint().height() );
  63     lbl2->setFixedSize( max, lbl2->sizeHint().height() );
  64     lbl3->setFixedSize( max, lbl3->sizeHint().height() );
  65     lbl4->setFixedSize( max, lbl4->sizeHint().height() );
  66     lbl5->setFixedSize( max, lbl5->sizeHint().height() );
  67     lbl6->setFixedSize( max, lbl6->sizeHint().height() );
  68     lbl7->setFixedSize( max, lbl7->sizeHint().height() );
  69
  70     _tapeName = new QLineEdit( this );
  71     _tapeName->setFixedHeight( _tapeName->sizeHint().height() );
  72
  73     _tapeSize = new QLineEdit( this );
  74     _tapeSize->setFixedSize( 48, _tapeSize->sizeHint().height() );
  75
  76     _tapeSizeUnits = new QComboBox( this );
  77     _tapeSizeUnits->setFixedSize( 48, _tapeSizeUnits->sizeHint().height() );
  78     _tapeSizeUnits->insertItem( "MB" );
  79     _tapeSizeUnits->insertItem( "GB" );
  80
  81     _tapeID = new QLabel( "???", this );
  82     _tapeID->setFixedHeight( _tapeID->sizeHint().height() );
  83
  84     _ctime = new QLabel( "???", this );
  85     _ctime->setFixedHeight( _ctime->sizeHint().height() );
  86
  87     _mtime = new QLabel( "???", this );
  88     _mtime->setFixedHeight( _mtime->sizeHint().height() );
  89
  90     _archiveCount = new QLabel( "???", this );
  91     _archiveCount->setFixedHeight( _archiveCount->sizeHint().height() );
  92
  93     _spaceUsed = new QLabel( "???", this );
  94     _spaceUsed->setFixedHeight( _spaceUsed->sizeHint().height() );
  95
  96     _apply = new KPushButton( KStandardGuiItem::apply(), this );
  97     _apply->setFixedSize( 80, _apply->sizeHint().height() );
  98     _apply->setEnabled( FALSE );
  99
 100     QVBoxLayout* l1 = new QVBoxLayout( this, 4, 4 );
 101
 102     QHBoxLayout* l1_1 = new QHBoxLayout();
 103     l1->addLayout( l1_1 );
 104     l1_1->addWidget( lbl1 );
 105     l1_1->addWidget( _tapeName, 1 );
 106
 107     QHBoxLayout* l1_2 = new QHBoxLayout();
 108     l1->addLayout( l1_2 );
 109     l1_2->addWidget( lbl2 );
 110     l1_2->addWidget( _tapeSize );
 111     l1_2->addWidget( _tapeSizeUnits );
 112     l1_2->addStretch( 1 );
 113
 114     QHBoxLayout* l1_3 = new QHBoxLayout();
 115     l1->addLayout( l1_3 );
 116     l1_3->addWidget( lbl3 );
 117     l1_3->addWidget( _tapeID );
 118
 119     QHBoxLayout* l1_4 = new QHBoxLayout();
 120     l1->addLayout( l1_4 );
 121     l1_4->addWidget( lbl4 );
 122     l1_4->addWidget( _ctime );
 123
 124     QHBoxLayout* l1_5 = new QHBoxLayout();
 125     l1->addLayout( l1_5 );
 126     l1_5->addWidget( lbl5 );
 127     l1_5->addWidget( _mtime );
 128
 129     QHBoxLayout* l1_6 = new QHBoxLayout();
 130     l1->addLayout( l1_6 );
 131     l1_6->addWidget( lbl6 );
 132     l1_6->addWidget( _archiveCount );
 133
 134     QHBoxLayout* l1_7 = new QHBoxLayout();
 135     l1->addLayout( l1_7 );
 136     l1_7->addWidget( lbl7 );
 137     l1_7->addWidget( _spaceUsed );
 138
 139     l1->addStretch( 1 );
 140
 141     QHBoxLayout* l1_8 = new QHBoxLayout();
 142     l1->addLayout( l1_8 );
 143     l1_8->addStretch( 1 );
 144     l1_8->addWidget( _apply );
 145
 146     connect( _tapeName     , SIGNAL( textChanged( const QString & ) ), this, SLOT( slotTextChanged( const QString & ) ) );
 147     connect( _tapeSize     , SIGNAL( textChanged( const QString & ) ), this, SLOT( slotTextChanged( const QString & ) ) );
 148     connect( _tapeSizeUnits, SIGNAL( activated( int ) )          , this, SLOT( slotActivated( int ) ) );
 149     connect( _apply        , SIGNAL( clicked() )                 , this, SLOT( slotApply() ) );
 150 }
 151
 152 TapeInfoWidget::~TapeInfoWidget()
 153 {
 154 }
 155
 156 void TapeInfoWidget::setTape( Tape* tape )
 157 {
 158     _tape = tape;
 159
 160     if ( !_tape ) {
 161         return;
 162     }
 163
 164     _tapeName->setText( _tape->getName() );
 165
 166     int size = _tape->getSize();
 167     if ( ( size >= 1024*1024 ) && ( size % ( 1024*1024 ) == 0 ) ) {
 168         // GB
 169         size /= 1024*1024;
 170         _tapeSizeUnits->setCurrentItem( 1 );
 171     } else {
 172         // MB
 173         size /= 1024;
 174         _tapeSizeUnits->setCurrentItem( 0 );
 175     }
 176     QString tmp;
 177     tmp.setNum( size );
 178     _tapeSize->setText( tmp );
 179
 180     _tapeID->setText( _tape->getID() );
 181
 182     time_t tm = _tape->getCTime();
 183     tmp = ctime( &tm );
 184     tmp = tmp.trimmed();
 185     _ctime->setText( tmp );
 186
 187     tm = _tape->getMTime();
 188     tmp = ctime( &tm );
 189     tmp = tmp.trimmed();
 190     _mtime->setText( tmp );
 191
 192     tmp.setNum( _tape->getChildren().count() );
 193     _archiveCount->setText( tmp );
 194
 195     Q3PtrListIterator<Archive> i( _tape->getChildren() );
 196     int used = 1;
 197     for ( ; i.current(); ++i ) {
 198         used += i.current()->getEndBlock();
 199     }
 200     int blockSize = Options::instance()->getTapeBlockSize();
 201     if ( blockSize < 1024 ) {
 202         used /= 1024 / blockSize;
 203     } else if ( blockSize > 1024 ) {
 204         used *= blockSize / 1024;
 205     }
 206     if ( _tape->getSize() > 0 ) {
 207         tmp = QString::fromLatin1( "%1 / %2 (%3%)")
 208           .arg(Util::kbytesToString( used ))
 209           .arg(Util::kbytesToString( _tape->getSize() ))
 210           .arg(used * 100 / _tape->getSize() );
 211     } else {
 212         tmp = Util::kbytesToString( used );
 213     }
 214     _spaceUsed->setText( tmp );
 215 }
 216
 217 bool TapeInfoWidget::isModified()
 218 {
 219     if ( _tape->getName() != _tapeName->text() ) {
 220         return TRUE;
 221     }
 222
 223     int size = (int)KGlobal::locale()->readNumber( _tapeSize->text() );
 224     if ( _tapeSizeUnits->currentItem() == 0 ) {
 225         // MB
 226         size *= 1024;
 227     } else {
 228         // GB
 229         size *= 1024*1024;
 230     }
 231
 232     return _tape->getSize() != size;
 233 }
 234
 235 void TapeInfoWidget::slotTextChanged( const QString & )
 236 {
 237     if ( !_tape ) {
 238         return;
 239     }
 240
 241     _apply->setEnabled( isModified() );
 242 }
 243
 244 void TapeInfoWidget::slotActivated( int )
 245 {
 246     if ( !_tape ) {
 247         return;
 248     }
 249
 250     _apply->setEnabled( isModified() );
 251 }
 252
 253 void TapeInfoWidget::slotApply()
 254 {
 255     if ( !_tape ) {
 256         return;
 257     }
 258
 259     int size = (int)KGlobal::locale()->readNumber( _tapeSize->text() );
 260     if ( _tapeSizeUnits->currentItem() == 0 ) {
 261         // MB
 262         size *= 1024;
 263     } else {
 264         // GB
 265         size *= 1024*1024;
 266     }
 267
 268     if ( _tape->getName() != _tapeName->text() ) {
 269         _tape->setName( _tapeName->text() );
 270     }
 271
 272     if ( size != _tape->getSize() ) {
 273         _tape->setSize( size );
 274     }
 275
 276     _apply->setEnabled( FALSE );
 277 }