src/pkg/YQPkgRpmGroupTagsFilterView.cc

   1 /*---------------------------------------------------------------------\
   2 |                                                                      |
   3 |                      __   __    ____ _____ ____                      |
   4 |                      \ \ / /_ _/ ___|_   _|___ \                     |
   5 |                       \ V / _` \___ \ | |   __) |                    |
   6 |                        | | (_| |___) || |  / __/                     |
   7 |                        |_|\__,_|____/ |_| |_____|                    |
   8 |                                                                      |
   9 |                               core system                            |
  10 |                                                        (C) SuSE GmbH |
  11 \----------------------------------------------------------------------/
  12
  13   File:       YQPkgRpmGroupTagsFilterView.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
  25 #include "YQPkgRpmGroupTagsFilterView.h"
  26 #include "YQi18n.h"
  27 #include "utf8.h"
  28
  29
  30
  31 YRpmGroupsTree * YQPkgRpmGroupTagsFilterView::_rpmGroupsTree = 0;
  32
  33
  34 YQPkgRpmGroupTagsFilterView::YQPkgRpmGroupTagsFilterView( QWidget * parent )
  35     : QTreeWidget( parent )
  36 {
  37     setHeaderLabels( QStringList(_( "Package Groups" )) );
  38     setRootIsDecorated( true );
  39     cloneTree( rpmGroupsTree()->root(), 0 );
  40
  41     new YQPkgRpmGroupTag( this, _( "zzz All" ), 0 );
  42
  43     connect( this, SIGNAL( currentItemChanged     ( QTreeWidgetItem *, QTreeWidgetItem * ) ),
  44              this, SLOT  ( slotSelectionChanged ( QTreeWidgetItem * ) ) );
  45
  46     selectSomething();
  47 }
  48
  49
  50 YQPkgRpmGroupTagsFilterView::~YQPkgRpmGroupTagsFilterView()
  51 {
  52 }
  53
  54
  55 YRpmGroupsTree *
  56 YQPkgRpmGroupTagsFilterView::rpmGroupsTree()
  57 {
  58     if ( ! _rpmGroupsTree )
  59     {
  60         _rpmGroupsTree = new YRpmGroupsTree();
  61         Q_CHECK_PTR( _rpmGroupsTree );
  62
  63         fillRpmGroupsTree();
  64     }
  65
  66     return _rpmGroupsTree;
  67 }
  68
  69
  70 void
  71 YQPkgRpmGroupTagsFilterView::fillRpmGroupsTree()
  72 {
  73     y2debug( "Filling RPM groups tree" );
  74
  75     for ( ZyppPoolIterator it = zyppPkgBegin();
  76           it != zyppPkgEnd();
  77           ++it )
  78     {
  79         ZyppPkg zyppPkg = tryCastToZyppPkg( (*it)->theObj() );
  80
  81         if ( zyppPkg )
  82             rpmGroupsTree()->addRpmGroup( zyppPkg->group() );
  83     }
  84
  85     y2debug( "Filling RPM groups tree done" );
  86 }
  87
  88
  89 void
  90 YQPkgRpmGroupTagsFilterView::cloneTree( YStringTreeItem *       parentRpmGroup,
  91                                         YQPkgRpmGroupTag *      parentClone )
  92 {
  93     YStringTreeItem *   child = parentRpmGroup->firstChild();
  94     YQPkgRpmGroupTag *  clone;
  95
  96     while ( child )
  97     {
  98         if ( parentClone )
  99             clone = new YQPkgRpmGroupTag( this, parentClone, child );
 100         else
 101             clone = new YQPkgRpmGroupTag( this, child );
 102
 103         Q_CHECK_PTR( clone );
 104         //FIXME clone->setExpanded( clone->depth() < 1 );
 105         clone->setExpanded( true );
 106         cloneTree( child, clone );
 107         child = child->next();
 108     }
 109 }
 110
 111
 112 void
 113 YQPkgRpmGroupTagsFilterView::selectSomething()
 114 {
 115 // FIXME
 116 //     QTreeWidgetItem * item = children().first();
 117 //
 118 //     if ( item )
 119 //      setCurrentItem(item);
 120 }
 121
 122
 123 void
 124 YQPkgRpmGroupTagsFilterView::filterIfVisible()
 125 {
 126     if ( isVisible() )
 127         filter();
 128 }
 129
 130
 131 void
 132 YQPkgRpmGroupTagsFilterView::filter()
 133 {
 134     emit filterStart();
 135     // y2debug( "Filtering packages for RPM group \"%s\"", selectedRpmGroup().c_str() );
 136
 137     if ( selection() )
 138     {
 139         for ( ZyppPoolIterator it = zyppPkgBegin();
 140               it != zyppPkgEnd();
 141               ++it )
 142         {
 143             ZyppSel selectable = *it;
 144
 145             // Multiple instances of this package may or may not be in the same
 146             // RPM group, so let's check both the installed version (if there
 147             // is any) and the candidate version.
 148             //
 149             // Make sure we emit only one filterMatch() signal if both exist
 150             // and both are in the same RPM group. We don't want multiple list
 151             // entries for the same package!
 152
 153             bool match =
 154                 check( selectable, tryCastToZyppPkg( selectable->candidateObj() ) ) ||
 155                 check( selectable, tryCastToZyppPkg( selectable->installedObj() ) );
 156
 157             // If there is neither an installed nor a candidate package, check
 158             // any other instance.
 159
 160             if ( ! match                        &&
 161                  ! selectable->candidateObj()   &&
 162                  ! selectable->installedObj()     )
 163                 check( selectable, tryCastToZyppPkg( selectable->theObj() ) );
 164         }
 165     }
 166
 167     emit filterFinished();
 168 }
 169
 170
 171 void
 172 YQPkgRpmGroupTagsFilterView::slotSelectionChanged( QTreeWidgetItem * newSelection )
 173 {
 174     YQPkgRpmGroupTag * sel = dynamic_cast<YQPkgRpmGroupTag *>( newSelection );
 175
 176     if ( sel )
 177     {
 178         if ( sel->rpmGroup() )
 179             _selectedRpmGroup = rpmGroupsTree()->rpmGroup( sel->rpmGroup() );
 180         else
 181             _selectedRpmGroup = "*";    // "zzz_All"
 182     }
 183     else
 184     {
 185         _selectedRpmGroup = "";
 186     }
 187
 188     filter();
 189 }
 190
 191
 192 bool
 193 YQPkgRpmGroupTagsFilterView::check( ZyppSel     selectable,
 194                                     ZyppPkg     pkg             )
 195 {
 196     if ( ! pkg || ! selection() )
 197         return false;
 198
 199     if ( selection()->rpmGroup() == 0 )         // Special case: All packages
 200     {
 201         emit filterMatch( selectable, pkg );
 202         return true;
 203     }
 204
 205     if ( selectedRpmGroup().empty() )
 206         return false;
 207
 208     if ( pkg->group() == selectedRpmGroup() ||                  // full match?
 209          pkg->group().find( selectedRpmGroup() + "/" ) == 0 )   // starts with selected?
 210     {
 211         emit filterMatch( selectable, pkg );
 212         return true;
 213     }
 214
 215     return false;
 216 }
 217
 218
 219 YQPkgRpmGroupTag *
 220 YQPkgRpmGroupTagsFilterView::selection() const
 221 {
 222     QTreeWidgetItem * item = currentItem();
 223
 224     if ( ! item )
 225         return 0;
 226
 227     return dynamic_cast<YQPkgRpmGroupTag *> ( item );
 228 }
 229
 230
 231
 232
 233
 234
 235 YQPkgRpmGroupTag::YQPkgRpmGroupTag( YQPkgRpmGroupTagsFilterView *       parentFilterView,
 236                                     YStringTreeItem *                   rpmGroup        )
 237     : QTreeWidgetItem( parentFilterView )
 238     , _filterView( parentFilterView )
 239     , _rpmGroup( rpmGroup )
 240 {
 241     setText( 0,  fromUTF8( _rpmGroup->value().translation() ) );
 242 }
 243
 244
 245 YQPkgRpmGroupTag::YQPkgRpmGroupTag( YQPkgRpmGroupTagsFilterView *       parentFilterView,
 246                                     YQPkgRpmGroupTag *                  parentGroupTag,
 247                                     YStringTreeItem *                   rpmGroup        )
 248     : QTreeWidgetItem( parentGroupTag )
 249     , _filterView( parentFilterView )
 250     , _rpmGroup( rpmGroup )
 251 {
 252     setText( 0,  fromUTF8( _rpmGroup->value().translation() )  );
 253 }
 254
 255
 256 YQPkgRpmGroupTag::YQPkgRpmGroupTag( YQPkgRpmGroupTagsFilterView *       parentFilterView,
 257                                     const QString &                     rpmGroupName,
 258                                     YStringTreeItem *                   rpmGroup        )
 259     : QTreeWidgetItem( parentFilterView )
 260     , _filterView( parentFilterView )
 261     , _rpmGroup( rpmGroup )
 262 {
 263     setText( 0,  rpmGroupName );
 264 }
 265
 266
 267 YQPkgRpmGroupTag::~YQPkgRpmGroupTag()
 268 {
 269     // NOP
 270 }
 271
 272
 273
 274 #include "YQPkgRpmGroupTagsFilterView.moc"