- restructure opieui example directory

- start work on ONamedListViewItem providing a slightly higher level interface

1 files changed, 109 insertions, 0 deletions

diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 2b2f09a..8f97cc6 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -209,89 +209,100 @@ QDataStream& operator>>( QDataStream& s, OListView& lv )
 #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();
 }
 
+
 OListViewItem::OListViewItem(QListViewItem *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();
 }
 
+
 OListViewItem::~OListViewItem()
 {
 }
 
+
 void OListViewItem::init()
 {
     m_known = false;
 }
 
+
 const QColor &OListViewItem::backgroundColor()
 {
     return isAlternate() ? static_cast<OListView*>(listView())->alternateBackground() :
                            listView()->viewport()->colorGroup().base();
 }
 
+
 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;
@@ -317,51 +328,54 @@ bool OListViewItem::isAlternate()
 
         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) );
         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 );
 
     //FIXME: Use styling here!
 
     const QPen& pen = static_cast<OListView*>( listView() )->columnSeparator();
     p->setPen( pen );
     p->drawLine( width-1, 0, width-1, height() );
 }
 
+
 OListViewItem* OListViewItem::childFactory()
 {
     return new OListViewItem( this );
 }
 
+
 #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 );
     }
 
@@ -376,24 +390,26 @@ void OListViewItem::serializeTo( QDataStream& s ) const
 
     // 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 );
     }
@@ -402,22 +418,115 @@ void OListViewItem::serializeFrom( QDataStream& s )
     s >> items;
     qDebug( "read number of items = %d", items );
 
     for ( int i = 0; i < items; ++i )
     {
         OListViewItem* item = childFactory();
         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
+
+
+/*======================================================================================
+ * ONamedListView
+ *======================================================================================*/
+
+ONamedListView::ONamedListView( QWidget *parent, const char *name )
+               :OListView( parent, name )
+{
+}
+
+
+ONamedListView::~ONamedListView()
+{
+}
+
+
+void ONamedListView::addColumns( const QStringList& columns )
+{
+    for ( QStringList::ConstIterator it = columns.begin(); it != columns.end(); ++it )
+    {
+        qDebug( "adding column %s", (const char*) *it );
+        addColumn( *it );
+    }
+}
+
+
+/*======================================================================================
+ * ONamedListViewItem
+ *======================================================================================*/
+
+ONamedListViewItem::ONamedListViewItem( QListView* parent, const QStringList& texts )
+                   :OListViewItem( parent )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, const QStringList& texts )
+                   :OListViewItem( parent )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts )
+                   :OListViewItem( parent, after )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts )
+                   :OListViewItem( parent, after )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::~ONamedListViewItem()
+{
+}
+
+
+void ONamedListViewItem::setText( const QStringList& texts )
+{
+    int col = 0;
+    for ( QStringList::ConstIterator it = texts.begin(); it != texts.end(); ++it )
+    {
+        qDebug( "setting column %d = text %s", col, (const char*) *it );
+        OListViewItem::setText( col++, *it );
+    }
+
+}
+
+
+void ONamedListViewItem::setText( const QString& column, const QString& text )
+{
+    //FIXME: If used excessively, this will slow down performance of updates
+    //FIXME: because of the linear search over all column texts.
+    //FIXME: I will optimize later by using a hash map.
+    for ( int i = 0; i < listView()->columns(); ++i )
+    {
+        if ( listView()->columnText( i ) == column )
+        {
+            OListViewItem::setText( i, text );
+            return;
+        }
+    }
+    qWarning( "ONamedListViewItem::setText(): Warning! Columntext '%s' not found.", (const char*) column );
+}