src/pkg/YQPkgLangList.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPkgLangList.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
  26 #include "YQi18n.h"
  27 #include "utf8.h"
  28 #include "YQPkgLangList.h"
  29
  30 using std::set;
  31
  32
  33 YQPkgLangList::YQPkgLangList( QWidget * parent )
  34     : YQPkgObjList( parent )
  35 {
  36     y2debug( "Creating language list" );
  37
  38     int numCol = 0;
  39     addColumn( ""               );      _statusCol      = numCol++;
  40
  41     // Translators: Table column heading for language ISO code like "de_DE", "en_US"
  42     // Please keep this short to avoid stretching the column too wide!
  43     addColumn( _( "Code"        ) );    _nameCol        = numCol++;
  44
  45     // Full (human readable) language / country name like "German (Austria)"
  46     addColumn( _( "Language" ) );       _summaryCol     = numCol++;
  47     setAllColumnsShowFocus( true );
  48
  49     connect( this,      SIGNAL( selectionChanged        ( Q3ListViewItem * ) ),
  50              this,      SLOT  ( filter()                                    ) );
  51
  52     fillList();
  53     selectSomething();
  54
  55     y2debug( "Creating language list done" );
  56 }
  57
  58
  59 YQPkgLangList::~YQPkgLangList()
  60 {
  61     // NOP
  62 }
  63
  64
  65 void
  66 YQPkgLangList::fillList()
  67 {
  68     clear();
  69     y2debug( "Filling language list" );
  70
  71
  72     for ( ZyppPoolIterator it = zyppLangBegin();
  73           it != zyppLangEnd();
  74           ++it )
  75     {
  76         ZyppLang zyppLang = tryCastToZyppLang( (*it)->theObj() );
  77
  78         if ( zyppLang )
  79             addLangItem( *it, zyppLang );
  80         else
  81             y2error( "Found non-Language selectable" );
  82     }
  83
  84     y2debug( "Language list filled" );
  85 }
  86
  87
  88 void
  89 YQPkgLangList::filterIfVisible()
  90 {
  91     if ( isVisible() )
  92         filter();
  93 }
  94
  95
  96 void
  97 YQPkgLangList::filter()
  98 {
  99     emit filterStart();
 100
 101     if ( selection() )
 102     {
 103         ZyppLang lang = selection()->zyppLang();
 104
 105         if ( lang )
 106         {
 107             string currentLang = lang->name();
 108
 109             //
 110             // Iterate over all selectables in pool
 111             //
 112
 113             for ( ZyppPoolIterator it = zyppPkgBegin();
 114                   it != zyppPkgEnd();
 115                   ++it )
 116             {
 117                 ZyppObj zyppObj = (*it)->theObj();
 118
 119                 if ( zyppObj )
 120                 {
 121                     //
 122                     // Iterate over all "freshens" dependencies of this object
 123                     //
 124
 125                     zypp::CapSet freshens = zyppObj->dep( zypp::Dep::FRESHENS );
 126
 127                     for ( zypp::CapSet::const_iterator cap_it = freshens.begin();
 128                           cap_it != freshens.end();
 129                           ++cap_it )
 130                     {
 131                         if ( (*cap_it).index() == currentLang ) // obj freshens this language
 132                         {
 133                             ZyppPkg pkg = tryCastToZyppPkg( zyppObj );
 134
 135                             if ( pkg )
 136                             {
 137                                 y2debug( "Found pkg %s for lang %s",
 138                                          pkg->name().c_str(), currentLang.c_str() );
 139
 140                                 emit filterMatch( *it, pkg );
 141                             }
 142                             else
 143                             {
 144                                 y2warning( "Found non-pkg obj %s for lang %s",
 145                                            pkg->name().c_str(), currentLang.c_str() );
 146                             }
 147                         }
 148                     }
 149                 }
 150             }
 151         }
 152     }
 153
 154     emit filterFinished();
 155 }
 156
 157
 158 void
 159 YQPkgLangList::addLangItem( ZyppSel     selectable,
 160                             ZyppLang    zyppLang )
 161 {
 162     if ( ! selectable )
 163     {
 164         y2error( "NULL ZyppSel!" );
 165         return;
 166     }
 167
 168     new YQPkgLangListItem( this, selectable, zyppLang );
 169 }
 170
 171
 172 YQPkgLangListItem *
 173 YQPkgLangList::selection() const
 174 {
 175     Q3ListViewItem * item = selectedItem();
 176
 177     if ( ! item )
 178         return 0;
 179
 180     return dynamic_cast<YQPkgLangListItem *> (item);
 181 }
 182
 183
 184
 185
 186
 187
 188 YQPkgLangListItem::YQPkgLangListItem( YQPkgLangList *   langList,
 189                                       ZyppSel           selectable,
 190                                       ZyppLang          lang            )
 191     : YQPkgObjListItem( langList, selectable, lang )
 192     , _langList( langList )
 193     , _zyppLang( lang )
 194 {
 195 }
 196
 197
 198
 199 YQPkgLangListItem::~YQPkgLangListItem()
 200 {
 201     // NOP
 202 }
 203
 204
 205 void
 206 YQPkgLangListItem::applyChanges()
 207 {
 208     solveResolvableCollections();
 209 }
 210
 211
 212
 213
 214 #include "YQPkgLangList.moc"