src/pkg/YQPkgSelList.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPkgSelList.cc
  14
  15   Author:     Stefan Hundhammer <sh@suse.de>
  16
  17   Textdomain "packages-qt"
  18
  19 /-*/
  20
  21
  22 #define y2log_component "qt-pkg"
  23 #include <ycp/y2log.h>
  24 #include <qregexp.h>
  25 #include <zypp/ZYppFactory.h>
  26 #include <zypp/Resolver.h>
  27
  28
  29 #include "YQi18n.h"
  30 #include "utf8.h"
  31 #include "YQPkgSelList.h"
  32
  33
  34 YQPkgSelList::YQPkgSelList( QWidget * parent, bool autoFill, bool autoFilter )
  35     : YQPkgObjList( parent )
  36 {
  37     y2debug( "Creating selection list" );
  38
  39     int numCol = 0;
  40     addColumn( ""               );      _statusCol      = numCol++;
  41     addColumn( _( "Selection" ) );      _summaryCol     = numCol++;
  42     setAllColumnsShowFocus( true );
  43
  44     _satisfiedIconCol   = _summaryCol;
  45     _brokenIconCol      = _summaryCol;
  46
  47     if ( autoFilter )
  48     {
  49         connect( this, SIGNAL( selectionChanged( QTreeWidgetItem * ) ),
  50                  this, SLOT  ( filter()                            ) );
  51     }
  52
  53     if ( autoFill )
  54     {
  55         fillList();
  56         selectSomething();
  57     }
  58
  59     y2debug( "Creating selection list done" );
  60 }
  61
  62
  63 YQPkgSelList::~YQPkgSelList()
  64 {
  65     // NOP
  66 }
  67
  68
  69 void
  70 YQPkgSelList::fillList()
  71 {
  72     clear();
  73     y2debug( "Filling selection list" );
  74
  75
  76     for ( ZyppPoolIterator it = zyppSelectionsBegin();
  77           it != zyppSelectionsEnd();
  78           ++it )
  79     {
  80         ZyppSelection zyppSelection = tryCastToZyppSelection( (*it)->theObj() );
  81
  82         if ( zyppSelection )
  83         {
  84             if ( zyppSelection->visible() && ! zyppSelection->isBase() )
  85             {
  86                 addPkgSelItem( *it, zyppSelection );
  87             }
  88         }
  89         else
  90         {
  91             y2error( "Found non-Selection selectable" );
  92         }
  93     }
  94
  95     y2debug( "Selection list filled" );
  96 }
  97
  98
  99 void
 100 YQPkgSelList::filterIfVisible()
 101 {
 102     if ( isVisible() )
 103         filter();
 104 }
 105
 106
 107 void
 108 YQPkgSelList::filter()
 109 {
 110     emit filterStart();
 111
 112     if ( selection() )  // The seleted QListViewItem
 113     {
 114         ZyppSelection zyppSelection = selection()->zyppSelection();
 115
 116         if ( zyppSelection )
 117         {
 118             set<string> wanted = zyppSelection->install_packages();
 119
 120             for ( ZyppPoolIterator it = zyppPkgBegin();
 121                   it != zyppPkgEnd();
 122                   ++it )
 123             {
 124                 string name = (*it)->theObj()->name();
 125
 126                 if ( contains( wanted, name ) )
 127                 {
 128                     ZyppPkg zyppPkg = tryCastToZyppPkg( (*it)->theObj() );
 129
 130                     if ( zyppPkg )
 131                     {
 132                         emit filterMatch( *it, zyppPkg );
 133                     }
 134                 }
 135             }
 136         }
 137     }
 138
 139     emit filterFinished();
 140 }
 141
 142
 143 void
 144 YQPkgSelList::addPkgSelItem( ZyppSel            selectable,
 145                              ZyppSelection      zyppSelection )
 146 {
 147     if ( ! selectable )
 148     {
 149         y2error( "NULL ZyppSel!" );
 150         return;
 151     }
 152
 153     YQPkgSelListItem * item = new YQPkgSelListItem( this, selectable, zyppSelection );
 154     applyExcludeRules( item );
 155 }
 156
 157
 158 YQPkgSelListItem *
 159 YQPkgSelList::selection() const
 160 {
 161     QTreeWidgetItem * item = selectedItem();
 162
 163     if ( ! item )
 164         return 0;
 165
 166     return dynamic_cast<YQPkgSelListItem *> (item);
 167 }
 168
 169
 170
 171
 172
 173
 174 YQPkgSelListItem::YQPkgSelListItem( YQPkgSelList *      pkgSelList,
 175                                     ZyppSel             selectable,
 176                                     ZyppSelection       zyppSelection )
 177     : YQPkgObjListItem( pkgSelList, selectable, zyppSelection )
 178     , _pkgSelList( pkgSelList )
 179     , _zyppSelection( zyppSelection )
 180 {
 181     if ( ! _zyppSelection )
 182         _zyppSelection = tryCastToZyppSelection( selectable->theObj() );
 183
 184     QString text = fromUTF8( _zyppSelection->summary() );
 185
 186     // You don't want to know why we need this.
 187     text.replace( QRegExp( "Graphical Basis System" ), "Graphical Base System" );
 188     text.replace( QRegExp( "Gnome" ), "GNOME" );
 189
 190     setText( summaryCol(), text );
 191
 192     setStatusIcon();
 193 }
 194
 195
 196 YQPkgSelListItem::~YQPkgSelListItem()
 197 {
 198     // NOP
 199 }
 200
 201
 202 void
 203 YQPkgSelListItem::applyChanges()
 204 {
 205     solveResolvableCollections();
 206 }
 207
 208
 209 /**
 210  * Comparison function used for sorting the list.
 211  * Returns:
 212  * -1 if this <  other
 213  *  0 if this == other
 214  * +1 if this >  other
 215  **/
 216 int
 217 YQPkgSelListItem::compare( QTreeWidgetItem *    otherListViewItem,
 218                            int                  col,
 219                            bool                 ascending ) const
 220 {
 221     YQPkgSelListItem * other = ( YQPkgSelListItem * ) otherListViewItem;
 222
 223     if ( ! _zyppSelection || ! other || ! other->zyppSelection() )
 224         return 0;
 225
 226     return _zyppSelection->order().compare( other->zyppSelection()->order() );
 227 }
 228
 229
 230
 231 #include "YQPkgSelList.moc"