1 files changed, 148 insertions, 3 deletions

diff --git a/noncore/net/wellenreiter/cornucopia/olistview.cpp b/noncore/net/wellenreiter/cornucopia/olistview.cpp
index 8bc59de..f2d3730 100644
--- a/noncore/net/wellenreiter/cornucopia/olistview.cpp
+++ b/noncore/net/wellenreiter/cornucopia/olistview.cpp
@@ -78,96 +78,172 @@ int OListView::addColumn( const QString& label, int width )
     return result;
 }
 
 int OListView::addColumn( const QIconSet& iconset, const QString& label, int width )
 {
     int result = QListView::addColumn( iconset, label, width );
     #if QT_VERSION > 290
     if (m_fullWidth) {
         header()->setStretchEnabled( false, columns()-2 );
         header()->setStretchEnabled( true, columns()-1 );
     }
     #endif
     return result;
 }
 
 void OListView::removeColumn( int index )
 {
     QListView::removeColumn(index);
     #if QT_VERSION > 290
     if ( m_fullWidth && index == columns() )
     {
         header()->setStretchEnabled( true, columns()-1 );
     }
     #endif
 }
 
 const QColor& OListView::alternateBackground() const
 {
     return m_alternateBackground;
 }
 
 void OListView::setAlternateBackground( const QColor &c )
 {
     m_alternateBackground = c;
     repaint();
 }
 
 const QPen& OListView::columnSeparator() const
 {
     return m_columnSeparator;
 }
 
 void OListView::setColumnSeparator( const QPen& p )
 {
     m_columnSeparator = p;
     repaint();
 }
 
+#ifndef QT_NO_DATASTREAM
+void OListView::serializeTo( QDataStream& s ) const
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "storing OListView..." );
+
+    // store number of columns and the labels
+    s << columns();
+    for ( int i = 0; i < columns(); ++i )
+        s << columnText( i );
+
+    // calculate the number of top-level items to serialize
+    int items = 0;
+    QListViewItem* item = firstChild();
+    while ( item )
+    {
+        item = item->nextSibling();
+        items++;
+    }
+
+    // store number of items and the items itself
+    s << items;
+    item = firstChild();
+    for ( int i = 0; i < items; ++i )
+    {
+        s << *static_cast<OListViewItem*>( item );
+        item = item->nextSibling();
+    }
+
+    qDebug( "OListview stored." );
+}
+
+void OListView::serializeFrom( QDataStream& s )
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "loading OListView..." );
+
+    int cols;
+    s >> cols;
+    qDebug( "read number of columns = %d", cols );
+
+    while ( columns() < cols ) addColumn( QString::null );
+
+    for ( int i = 0; i < cols; ++i )
+    {
+        QString coltext;
+        s >> coltext;
+        qDebug( "read text '%s' for column %d", (const char*) coltext, i );
+        setColumnText( i, coltext );
+    }
+
+    int items;
+    s >> items;
+    qDebug( "read number of items = %d", items );
+
+    for ( int i = 0; i < items; ++i )
+    {
+        OListViewItem* item = new OListViewItem( this );
+        s >> *item;
+    }
+
+    qDebug( "OListView loaded." );
+
+}
+
+QDataStream& operator<<( QDataStream& s, const OListView& lv )
+{
+    lv.serializeTo( s );
+}
+
+QDataStream& operator>>( QDataStream& s, OListView& lv )
+{
+    lv.serializeFrom( s );
+}
+#endif // QT_NO_DATASTREAM
+
 //****************************** OListViewItem ***********************************************************************
 
 OListViewItem::OListViewItem(QListView *parent)
   : QListViewItem(parent)
 {
     init();
 }
 
 OListViewItem::OListViewItem(QListViewItem *parent)
   : QListViewItem(parent)
 {
     init();
 }
 
 OListViewItem::OListViewItem(QListView *parent, QListViewItem *after)
   : QListViewItem(parent, after)
 {
     init();
 }
 
 OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after)
   : QListViewItem(parent, after)
 {
     init();
 }
 
 OListViewItem::OListViewItem(QListView *parent,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
   : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
 {
     init();
 }
 
 OListViewItem::OListViewItem(QListViewItem *parent,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
   : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
 {
     init();
 }
 
 OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
   : QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
 {
     init();
@@ -200,63 +276,132 @@ bool OListViewItem::isAlternate()
 {
     OListView *lv = static_cast<OListView*>( listView() );
 
     // check if the item above is an OListViewItem
     OListViewItem *above = static_cast<OListViewItem*>( itemAbove() );
     /*if (! itemAbove()->inherits( "OListViewItem" )) return false;*/
 
     // check if we have a valid alternate background color
     if (!(lv && lv->alternateBackground().isValid())) return false;
 
     m_known = above ? above->m_known : true;
     if (m_known)
     {
        m_odd = above ? !above->m_odd : false;
     }
     else
     {
         OListViewItem *item;
         bool previous = true;
         if (parent())
         {
             item = static_cast<OListViewItem *>(parent());
             if ( item /*&& item->inherits( "OListViewItem" )*/ ) previous = item->m_odd;
             item = static_cast<OListViewItem *>(parent()->firstChild());
             /* if ( !item.inherits( "OListViewItem" ) item = 0; */
         }
         else
         {
             item = static_cast<OListViewItem *>(lv->firstChild());
         }
 
         while(item)
         {
             item->m_odd = previous = !previous;
             item->m_known = true;
             item = static_cast<OListViewItem *>(item->nextSibling());
             /* if (!item.inherits( "OListViewItem" ) ) break; */
         }
     }
     return m_odd;
 }
 
 void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
 {
     QColorGroup _cg = cg;
     const QPixmap *pm = listView()->viewport()->backgroundPixmap();
     if (pm && !pm->isNull())
     {
-        _cg.setBrush(QColorGroup::Base, QBrush(backgroundColor(), *pm));
+        _cg.setBrush( QColorGroup::Base, QBrush(backgroundColor(), *pm) );
         p->setBrushOrigin( -listView()->contentsX(), -listView()->contentsY() );
     }
     else if ( isAlternate() )
     {
         _cg.setColor( QColorGroup::Base, static_cast<OListView*>( listView() )->alternateBackground() );
     }
-    QListViewItem::paintCell(p, _cg, column, width, alignment);
+    QListViewItem::paintCell( p, _cg, column, width, alignment );
 
-    //FIXME: Use styling here?
+    //FIXME: Use styling here!
 
     const QPen& pen = static_cast<OListView*>( listView() )->columnSeparator();
     p->setPen( pen );
     p->drawLine( width-1, 0, width-1, height() );
 }
+
+#ifndef QT_NO_DATASTREAM
+void OListViewItem::serializeTo( QDataStream& s ) const
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "storing OListViewItem..." );
+
+    // store item text
+    for ( int i = 0; i < listView()->columns(); ++i )
+    {
+        s << text( i );
+    }
+
+    // calculate the number of children to serialize
+    int items = 0;
+    QListViewItem* item = firstChild();
+    while ( item )
+    {
+        item = item->nextSibling();
+        items++;
+    }
+
+    // store number of items and the items itself
+    s << items;
+    item = firstChild();
+    for ( int i = 0; i < items; ++i )
+    {
+        s << *static_cast<OListViewItem*>( item );
+        item = item->nextSibling();
+    }
+
+    qDebug( "OListviewItem stored." );
+}
+void OListViewItem::serializeFrom( QDataStream& s )
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "loading OListViewItem..." );
+
+    for ( int i = 0; i < listView()->columns(); ++i )
+    {
+        QString coltext;
+        s >> coltext;
+        qDebug( "read text '%s' for column %d", (const char*) coltext, i );
+        setText( i, coltext );
+    }
+
+    int items;
+    s >> items;
+    qDebug( "read number of items = %d", items );
+
+    for ( int i = 0; i < items; ++i )
+    {
+        OListViewItem* item = new OListViewItem( this );
+        s >> (*item);
+    }
+
+    qDebug( "OListViewItem loaded." );
+}
+
+QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi )
+{
+    lvi.serializeTo( s );
+}
+
+QDataStream& operator>>( QDataStream& s, OListViewItem& lvi )
+{
+    lvi.serializeFrom( s );
+}
+#endif // QT_NO_DATASTREAM