OPimAccessBackend nothing tried a isDirty()const ... but removed it

ORecordList uidAt(uint index ) added
Speed Improvements at the SQL backend
 do not load the list of uids until it's really needed
 do not reload the uid list until it's really needed
 we got a bitfield m_dirty there...

4 files changed, 29 insertions, 12 deletions

diff --git a/libopie2/opiepim/backend/otodoaccesssql.cpp b/libopie2/opiepim/backend/otodoaccesssql.cpp
index a059dab..ea8b3c9 100644
--- a/libopie2/opiepim/backend/otodoaccesssql.cpp
+++ b/libopie2/opiepim/backend/otodoaccesssql.cpp
@@ -1,526 +1,539 @@
 
 #include <qdatetime.h>
 
 #include <qpe/global.h>
 
 #include <opie/osqldriver.h>
 #include <opie/osqlresult.h>
 #include <opie/osqlmanager.h>
 #include <opie/osqlquery.h>
 
 #include "otodoaccesssql.h"
 
 /*
  * first some query
  * CREATE query
  * LOAD query
  * INSERT
  * REMOVE
  * CLEAR
  */
 namespace {
     /**
      * CreateQuery for the Todolist Table
      */
     class CreateQuery : public OSQLQuery {
     public:
         CreateQuery();
         ~CreateQuery();
         QString query()const;
     };
 
     /**
      * LoadQuery
      * this one queries for all uids
      */
     class LoadQuery : public OSQLQuery {
     public:
         LoadQuery();
         ~LoadQuery();
         QString query()const;
     };
 
     /**
      * inserts/adds a OTodo to the table
      */
     class InsertQuery : public OSQLQuery {
     public:
         InsertQuery(const OTodo& );
         ~InsertQuery();
         QString query()const;
     private:
         OTodo m_todo;
     };
 
     /**
      * removes one from the table
      */
     class RemoveQuery : public OSQLQuery {
     public:
         RemoveQuery(int uid );
         ~RemoveQuery();
         QString query()const;
     private:
         int m_uid;
     };
 
     /**
      * Clears (delete) a Table
      */
     class ClearQuery : public OSQLQuery {
     public:
         ClearQuery();
         ~ClearQuery();
         QString query()const;
 
     };
 
     /**
      * a find query
      */
     class FindQuery : public OSQLQuery {
     public:
         FindQuery(int uid);
         FindQuery(const QArray<int>& );
         ~FindQuery();
         QString query()const;
     private:
         QString single()const;
         QString multi()const;
         QArray<int> m_uids;
         int m_uid;
     };
 
     /**
      * overdue query
      */
     class OverDueQuery : public OSQLQuery {
     public:
         OverDueQuery();
         ~OverDueQuery();
         QString query()const;
     };
     class EffQuery : public OSQLQuery {
     public:
         EffQuery( const QDate&, const QDate&, bool inc );
         ~EffQuery();
         QString query()const;
     private:
         QString with()const;
         QString out()const;
         QDate m_start;
         QDate m_end;
         bool m_inc :1;
     };
 
 
     CreateQuery::CreateQuery() : OSQLQuery() {}
     CreateQuery::~CreateQuery() {}
     QString CreateQuery::query()const {
         QString qu;
         qu += "create table todolist( uid, categories, completed, progress, ";
         qu += "summary, DueDate, priority, description )";
         return qu;
     }
 
     LoadQuery::LoadQuery() : OSQLQuery() {}
     LoadQuery::~LoadQuery() {}
     QString LoadQuery::query()const {
         QString qu;
         qu += "select distinct uid from todolist";
 
         return qu;
     }
 
     InsertQuery::InsertQuery( const OTodo& todo )
         : OSQLQuery(), m_todo( todo ) {
     }
     InsertQuery::~InsertQuery() {
     }
     /*
      * converts from a OTodo to a query
      * we leave out X-Ref + Alarms
      */
     QString InsertQuery::query()const{
 
         int year, month, day;
         year = month = day = 0;
         if (m_todo.hasDueDate() ) {
             QDate date = m_todo.dueDate();
             year = date.year();
             month = date.month();
             day = date.day();
         }
         QString qu;
         qu  = "insert into todolist VALUES(" +  QString::number( m_todo.uid() ) + ",'" + m_todo.idsToString( m_todo.categories() ) + "',";
         qu += QString::number( m_todo.isCompleted() ) + "," + QString::number( m_todo.progress() ) + ",";
         qu += "'"+m_todo.summary()+"','"+QString::number(year)+"-"+QString::number(month)+"-"+QString::number(day)+"',";
         qu += QString::number(m_todo.priority() ) +",'" + m_todo.description() + "')";
 
         qWarning("add %s", qu.latin1() );
         return qu;
     }
 
     RemoveQuery::RemoveQuery(int uid )
         : OSQLQuery(), m_uid( uid ) {}
     RemoveQuery::~RemoveQuery() {}
     QString RemoveQuery::query()const {
         QString qu = "DELETE from todolist where uid = " + QString::number(m_uid);
         return qu;
     }
 
 
     ClearQuery::ClearQuery()
         : OSQLQuery() {}
     ClearQuery::~ClearQuery() {}
     QString ClearQuery::query()const {
         QString qu = "drop table todolist";
         return qu;
     }
     FindQuery::FindQuery(int uid)
         : OSQLQuery(), m_uid(uid ) {
     }
     FindQuery::FindQuery(const QArray<int>& ints)
         : OSQLQuery(), m_uids(ints){
     }
     FindQuery::~FindQuery() {
     }
     QString FindQuery::query()const{
         if (m_uids.count() == 0 )
             return single();
         else
             return multi();
     }
     QString FindQuery::single()const{
         QString qu = "select uid, categories, completed, progress, summary, ";
         qu += "DueDate, priority, description from todolist where uid = " + QString::number(m_uid);
         return qu;
     }
     QString FindQuery::multi()const {
         QString qu = "select uid, categories, completed, progress, summary, ";
         qu += "DueDate, priority, description from todolist where ";
         for (uint i = 0; i < m_uids.count(); i++ ) {
             qu += " UID = " + QString::number( m_uids[i] ) + " OR";
         }
         qu.remove( qu.length()-2, 2 );
         return qu;
     }
 
     OverDueQuery::OverDueQuery(): OSQLQuery() {}
     OverDueQuery::~OverDueQuery() {}
     QString OverDueQuery::query()const {
         QDate date = QDate::currentDate();
         QString str;
         str = QString("select uid from todolist where DueDate ='%1-%2-%3'").arg(date.year() ).arg(date.month() ).arg(date.day() );
 
         return str;
     }
 
 
     EffQuery::EffQuery( const QDate& start, const QDate& end, bool inc )
         : OSQLQuery(), m_start( start ), m_end( end ),m_inc(inc) {}
     EffQuery::~EffQuery() {}
     QString EffQuery::query()const {
         return m_inc ? with() : out();
     }
     QString EffQuery::with()const {
         QString str;
         str = QString("select uid from todolist where ( DueDate >= '%1-%2-%3' AND DueDate <= '%4-%5-%6' ) OR DueDate = '0-0-0' ")
             .arg( m_start.year() ).arg( m_start.month() ).arg( m_start.day() )
             .arg( m_end  .year() ).arg( m_end  .month() ).arg( m_end  .day() );
         return str;
     }
     QString EffQuery::out()const {
         QString str;
         str = QString("select uid from todolist where DueDate >= '%1-%2-%3' AND  DueDate <= '%4-%5-%6'")
             .arg(m_start.year() ).arg(m_start.month() ).arg( m_start.day() )
             .arg(m_end.  year() ).arg(m_end.  month() ).arg(m_end.day() );
 
         return str;
     }
 };
 
 OTodoAccessBackendSQL::OTodoAccessBackendSQL( const QString& file )
-    : OTodoAccessBackend(), m_dict(15)
+    : OTodoAccessBackend(), m_dict(15), m_dirty(true)
 {
     QString fi = file;
     if ( fi.isEmpty() )
         fi = Global::applicationFileName( "todolist", "todolist.db" );
     OSQLManager man;
     m_driver = man.standard();
     m_driver->setUrl(fi);
     fillDict();
 }
 
 OTodoAccessBackendSQL::~OTodoAccessBackendSQL(){
 }
 bool OTodoAccessBackendSQL::load(){
     if (!m_driver->open() )
         return false;
 
     CreateQuery creat;
     OSQLResult res = m_driver->query(&creat );
 
-    update();
-    qWarning("loaded %d", m_uids.count() );
+    m_dirty = true;
     return true;
 }
 bool OTodoAccessBackendSQL::reload(){
     return load();
 }
 
 bool OTodoAccessBackendSQL::save(){
     return m_driver->close();
 }
 QArray<int> OTodoAccessBackendSQL::allRecords()const {
+    if (m_dirty )
+        update();
+
     return m_uids;
 }
 QArray<int> OTodoAccessBackendSQL::queryByExample( const OTodo& , int  ){
     QArray<int> ints(0);
     return ints;
 }
 OTodo OTodoAccessBackendSQL::find(int uid ) const{
     FindQuery query( uid );
     return todo( m_driver->query(&query) );
 
 }
 OTodo OTodoAccessBackendSQL::find( int uid, const QArray<int>& ints,
                                    uint cur, Frontend::CacheDirection dir ) const{
     qWarning("searching for %d", uid );
     QArray<int> search( 8 );
     uint size =0;
     OTodo to;
 
     // we try to cache 8 items
     switch( dir ) {
         /* forward */
     case 0:
         for (uint i = cur; i < ints.count() && size < 8; i++ ) {
             qWarning("size %d %d", size,  ints[i] );
             search[size] = ints[i];
             size++;
         }
         break;
         /* reverse */
     case 1:
-        for (uint i = cur; i >= 0 && size <  8; i-- ) {
+        for (uint i = cur; i != 0 && size <  8; i-- ) {
             search[size] = ints[i];
             size++;
         }
         break;
     }
     search.resize( size );
     FindQuery query( search );
     OSQLResult res = m_driver->query( &query  );
     if ( res.state() != OSQLResult::Success )
         return to;
 
     return todo( res );
 }
 void OTodoAccessBackendSQL::clear() {
     ClearQuery cle;
     OSQLResult res = m_driver->query( &cle );
     CreateQuery qu;
     res = m_driver->query(&qu);
 }
 bool OTodoAccessBackendSQL::add( const OTodo& t) {
     InsertQuery ins( t );
     OSQLResult res = m_driver->query( &ins );
 
     if ( res.state() == OSQLResult::Failure )
         return false;
     int c = m_uids.count();
     m_uids.resize( c+1 );
     m_uids[c] = t.uid();
 
     return true;
 }
 bool OTodoAccessBackendSQL::remove( int uid ) {
     RemoveQuery rem( uid );
     OSQLResult res = m_driver->query(&rem );
 
     if ( res.state() == OSQLResult::Failure )
         return false;
 
-    update();
+    m_dirty = true;
     return true;
 }
 /*
  * FIXME better set query
  * but we need the cache for that
  * now we remove
  */
 bool OTodoAccessBackendSQL::replace( const OTodo& t) {
     remove( t.uid() );
-    return add(t);
+    bool b= add(t);
+    m_dirty = false; // we changed some stuff but the UID stayed the same
+    return b;
 }
 QArray<int> OTodoAccessBackendSQL::overDue() {
     OverDueQuery qu;
     return uids( m_driver->query(&qu ) );
 }
 QArray<int> OTodoAccessBackendSQL::effectiveToDos( const QDate& s,
                                                    const QDate& t,
                                                    bool u) {
     EffQuery ef(s, t, u );
     return uids (m_driver->query(&ef) );
 }
 /*
  *
  */
 QArray<int> OTodoAccessBackendSQL::sorted( bool asc, int sortOrder,
                                            int sortFilter, int cat ) {
+    qWarning("sorted %d, %d", asc, sortOrder );
     QString query;
     query = "select uid from todolist WHERE ";
 
     /*
      * Sort Filter stuff
      * not that straight forward
      *
      */
     /* Category */
     if ( sortFilter & 1 ) {
         QString str;
         if (cat != 0 ) str = QString::number( cat );
         query += " categories like '%" +str+"%' AND";
     }
     /* Show only overdue */
     if ( sortFilter & 2 ) {
         QDate date = QDate::currentDate();
         QString due;
         QString base;
         base = QString("DueDate <= '%1-%2-%3' AND completed = 0").arg( date.year() ).arg( date.month() ).arg( date.day() );
         query += " " + base + " AND";
     }
     /* not show completed */
     if ( sortFilter & 4 ) {
         query += " completed = 0 AND";
     }else{
        query += " ( completed = 1 OR  completed = 0) AND";
     }
     /* srtip the end */
     query = query.remove( query.length()-3, 3 );
 
 
     /*
      * sort order stuff
      * quite straight forward
      */
     query += "ORDER BY ";
     switch( sortOrder ) {
         /* completed */
     case 0:
         query += "completed";
         break;
     case 1:
         query += "priority";
         break;
     case 2:
         query += "description";
         break;
     case 3:
         query += "DueDate";
         break;
     }
-    if ( !asc )
+
+    if ( !asc ) {
+        qWarning("not ascending!");
         query += " DESC";
+    }
 
     qWarning( query );
     OSQLRawQuery raw(query );
     return uids( m_driver->query(&raw) );
 }
 bool OTodoAccessBackendSQL::date( QDate& da, const QString& str ) const{
     if ( str == "0-0-0" )
         return false;
     else{
         int day, year, month;
         QStringList list = QStringList::split("-", str );
         year = list[0].toInt();
         month = list[1].toInt();
         day = list[2].toInt();
         da.setYMD( year, month, day );
         return true;
     }
 }
 OTodo OTodoAccessBackendSQL::todo( const OSQLResult& res) const{
     if ( res.state() == OSQLResult::Failure ) {
         OTodo to;
         return to;
     }
 
     OSQLResultItem::ValueList list = res.results();
     OSQLResultItem::ValueList::Iterator it = list.begin();
     qWarning("todo1");
     OTodo to = todo( (*it) );
     cache( to );
     ++it;
 
     for ( ; it != list.end(); ++it ) {
         qWarning("caching");
         cache( todo( (*it) ) );
     }
     return to;
 }
 OTodo OTodoAccessBackendSQL::todo( OSQLResultItem& item )const {
     qWarning("todo");
     bool has = false; QDate da = QDate::currentDate();
     has = date( da, item.data("DueDate") );
     QStringList cats = QStringList::split(";", item.data("categories") );
 
     OTodo to( (bool)item.data("completed").toInt(), item.data("priority").toInt(),
               cats, item.data("summary"), item.data("description"),
               item.data("progress").toUShort(), has, da,
               item.data("uid").toInt() );
     return to;
 }
 OTodo OTodoAccessBackendSQL::todo( int uid )const {
     FindQuery find( uid );
     return todo( m_driver->query(&find) );
 }
 /*
  * update the dict
  */
 void OTodoAccessBackendSQL::fillDict() {
     /* initialize dict */
     /*
      * UPDATE dict if you change anything!!!
      */
     m_dict.setAutoDelete( TRUE );
     m_dict.insert("Categories" ,     new int(OTodo::Category)         );
     m_dict.insert("Uid" ,            new int(OTodo::Uid)              );
     m_dict.insert("HasDate" ,        new int(OTodo::HasDate)          );
     m_dict.insert("Completed" ,      new int(OTodo::Completed)        );
     m_dict.insert("Description" ,    new int(OTodo::Description)      );
     m_dict.insert("Summary" ,        new int(OTodo::Summary)          );
     m_dict.insert("Priority" ,       new int(OTodo::Priority)         );
     m_dict.insert("DateDay" ,        new int(OTodo::DateDay)          );
     m_dict.insert("DateMonth" ,      new int(OTodo::DateMonth)        );
     m_dict.insert("DateYear" ,       new int(OTodo::DateYear)         );
     m_dict.insert("Progress" ,       new int(OTodo::Progress)         );
     m_dict.insert("Completed",       new int(OTodo::Completed)        );
     m_dict.insert("CrossReference",  new int(OTodo::CrossReference)   );
     m_dict.insert("HasAlarmDateTime",new int(OTodo::HasAlarmDateTime) );
     m_dict.insert("AlarmDateTime",   new int(OTodo::AlarmDateTime)    );
 }
-void OTodoAccessBackendSQL::update() {
+/*
+ * need to be const so let's fool the
+ * compiler :(
+ */
+void OTodoAccessBackendSQL::update()const {
+    ((OTodoAccessBackendSQL*)this)->m_dirty = false;
     LoadQuery lo;
     OSQLResult res = m_driver->query(&lo);
     if ( res.state() != OSQLResult::Success )
         return;
 
-    m_uids = uids( res );
+    ((OTodoAccessBackendSQL*)this)->m_uids = uids( res );
 }
 QArray<int> OTodoAccessBackendSQL::uids( const OSQLResult& res) const{
 
     OSQLResultItem::ValueList list = res.results();
     OSQLResultItem::ValueList::Iterator it;
     QArray<int> ints(list.count() );
     qWarning(" count = %d", list.count() );
 
     int i = 0;
     for (it = list.begin(); it != list.end(); ++it ) {
         ints[i] =  (*it).data("uid").toInt();
         i++;
     }
     return ints;
 }
 
diff --git a/libopie2/opiepim/backend/otodoaccesssql.h b/libopie2/opiepim/backend/otodoaccesssql.h
index c1aa2ed..0f6dd2c 100644
--- a/libopie2/opiepim/backend/otodoaccesssql.h
+++ b/libopie2/opiepim/backend/otodoaccesssql.h
@@ -1,49 +1,50 @@
 #ifndef OPIE_PIM_ACCESS_SQL_H
 #define OPIE_PIM_ACCESS_SQL_H
 
 #include <qasciidict.h>
 
 #include "otodoaccessbackend.h"
 
 class OSQLDriver;
 class OSQLResult;
 class OSQLResultItem;
 class OTodoAccessBackendSQL : public OTodoAccessBackend {
 public:
     OTodoAccessBackendSQL( const QString& file );
     ~OTodoAccessBackendSQL();
 
     bool load();
     bool reload();
     bool save();
     QArray<int> allRecords()const;
 
     QArray<int> queryByExample( const OTodo& t, int sort );
     OTodo find(int uid)const;
     OTodo find(int uid, const QArray<int>&, uint cur, Frontend::CacheDirection )const;
     void clear();
     bool add( const OTodo& t );
     bool remove( int uid );
     bool replace( const OTodo& t );
 
     QArray<int> overDue();
     QArray<int> effectiveToDos( const QDate& start,
                                 const QDate& end, bool includeNoDates );
     QArray<int> sorted(bool asc, int sortOrder, int sortFilter, int cat );
 
 private:
-    void update();
+    void update()const;
     void fillDict();
     inline bool date( QDate& date, const QString& )const;
     inline OTodo todo( const OSQLResult& )const;
     inline OTodo todo( OSQLResultItem& )const;
     inline QArray<int> uids( const OSQLResult& )const;
     OTodo todo( int uid )const;
 
     QAsciiDict<int> m_dict;
     OSQLDriver* m_driver;
     QArray<int> m_uids;
+    bool m_dirty : 1;
 };
 
 
 #endif
diff --git a/libopie2/opiepim/core/opimaccesstemplate.h b/libopie2/opiepim/core/opimaccesstemplate.h
index 92d7192..a0d8f63 100644
--- a/libopie2/opiepim/core/opimaccesstemplate.h
+++ b/libopie2/opiepim/core/opimaccesstemplate.h
@@ -1,247 +1,245 @@
 #ifndef OPIE_PIM_ACCESS_TEMPLATE_H
 #define OPIE_PIM_ACCESS_TEMPLATE_H
 
 #include <qarray.h>
 
 #include <opie/opimrecord.h>
 #include <opie/opimaccessbackend.h>
 #include <opie/orecordlist.h>
 
 #include "opimcache.h"
 #include "otemplatebase.h"
 
 /**
  * Thats the frontend to our OPIE PIM
  * Library. Either you want to use it's
  * interface or you want to implement
  * your own Access lib
  * Just create a OPimRecord and inherit from
  * the plugins
  */
 
 template <class T = OPimRecord >
 class OPimAccessTemplate : public OTemplateBase<T> {
 public:
     typedef ORecordList<T> List;
     typedef OPimAccessBackend<T> BackEnd;
     typedef OPimCache<T> Cache;
 
     /**
      * our sort order
      * should be safe explaining
      */
     enum SortOrder { WildCards = 0, IgnoreCase = 1,
                      RegExp = 2, ExactMatch = 4 };
 
     /**
      * c'tor BackEnd
      */
     OPimAccessTemplate( BackEnd* end);
     virtual ~OPimAccessTemplate();
 
     /**
      * load from the backend
      */
     virtual bool load();
 
     /**
      * reload from the backend
      */
     virtual bool reload();
 
     /**
      * save to the backend
      */
     virtual bool save();
 
     /**
      * if the resource was changed externally
      */
     bool wasChangedExternally()const;
 
     /**
      * return a List of records
      * you can iterate over them
      */
     virtual List allRecords()const;
 
     /**
      * queryByExample
      */
     virtual List queryByExample( const T& t, int sortOrder );
 
     /**
      * find the OPimRecord uid
      */
     virtual T find( int uid )const;
 
     /**
      * read ahead cache find method ;)
      */
     virtual T find( int uid, const QArray<int>&,
                     uint current, CacheDirection dir = Forward )const;
 
     /* invalidate cache here */
     /**
      * clears the backend and invalidates the backend
      */
     virtual void clear() ;
 
     /**
      * add T to the backend
      */
     virtual bool add( const T& t ) ;
 
     /* only the uid matters */
     /**
      * remove T from the backend
      */
     virtual bool remove( const T& t );
 
     /**
      * remove the OPimRecord with uid
      */
     virtual bool remove( int uid );
 
     /**
      * replace T from backend
      */
     virtual bool replace( const T& t) ;
 
     /**
      * @internal
      */
     void cache( const T& )const;
     void setSaneCacheSize( int );
 protected:
     /**
      * invalidate the cache
      */
     void invalidateCache();
 
     void setBackEnd( BackEnd* end );
     /**
      * returns the backend
      */
     BackEnd* backEnd();
     BackEnd* m_backEnd;
     Cache m_cache;
 
 };
 
 template <class T>
 OPimAccessTemplate<T>::OPimAccessTemplate( BackEnd* end )
     : OTemplateBase<T>(), m_backEnd( end )
 {
     if (end )
         end->setFrontend( this );
 }
 template <class T>
 OPimAccessTemplate<T>::~OPimAccessTemplate() {
     qWarning("~OPimAccessTemplate<T>");
     delete m_backEnd;
 }
 template <class T>
 bool OPimAccessTemplate<T>::load() {
     invalidateCache();
     return m_backEnd->load();
 }
 template <class T>
 bool OPimAccessTemplate<T>::reload() {
     return m_backEnd->reload();
 }
 template <class T>
 bool OPimAccessTemplate<T>::save() {
     return m_backEnd->save();
 }
 template <class T>
 OPimAccessTemplate<T>::List OPimAccessTemplate<T>::allRecords()const {
     QArray<int> ints = m_backEnd->allRecords();
     List lis(ints, this );
     return lis;
 }
 template <class T>
 OPimAccessTemplate<T>::List
 OPimAccessTemplate<T>::queryByExample( const T& t, int sortOrder ) {
     QArray<int> ints = m_backEnd->queryByExample( t, sortOrder );
 
     List lis(ints, this );
     return lis;
 }
 template <class T>
 T OPimAccessTemplate<T>::find( int uid ) const{
     T t = m_backEnd->find( uid );
     cache( t );
     return t;
 }
 template <class T>
 T OPimAccessTemplate<T>::find( int uid, const QArray<int>& ar,
                                uint current, CacheDirection dir )const {
     /*
      * better do T.isEmpty()
      * after a find this way we would
      * avoid two finds in QCache...
      */
     // qWarning("find it now %d", uid );
     if (m_cache.contains( uid ) ) {
-        qWarning("m cache contains %d", uid);
         return m_cache.find( uid );
     }
 
     T t = m_backEnd->find( uid, ar, current, dir );
-    qWarning("found it and cache it now %d", uid);
     cache( t );
     return t;
 }
 template <class T>
 void OPimAccessTemplate<T>::clear() {
     invalidateCache();
     m_backEnd->clear();
 }
 template <class T>
 bool OPimAccessTemplate<T>::add( const T& t ) {
     cache( t );
     return m_backEnd->add( t );
 }
 template <class T>
 bool OPimAccessTemplate<T>::remove( const T& t ) {
     return remove( t.uid() );
 }
 template <class T>
 bool OPimAccessTemplate<T>::remove( int uid ) {
     m_cache.remove( uid );
     return m_backEnd->remove( uid );
 }
 template <class T>
 bool OPimAccessTemplate<T>::replace( const T& t ) {
     m_cache.replace( t );
     return m_backEnd->replace( t );
 }
 template <class T>
 void OPimAccessTemplate<T>::invalidateCache() {
     m_cache.invalidate();
 }
 template <class T>
 OPimAccessTemplate<T>::BackEnd* OPimAccessTemplate<T>::backEnd() {
     return m_backEnd;
 }
 template <class T>
 bool OPimAccessTemplate<T>::wasChangedExternally()const {
     return false;
 }
 template <class T>
 void OPimAccessTemplate<T>::setBackEnd( BackEnd* end ) {
     m_backEnd = end;
     if (m_backEnd )
         m_backEnd->setFrontend( this );
 }
 template <class T>
 void OPimAccessTemplate<T>::cache( const T& t ) const{
     /* hacky we need to work around the const*/
     ((OPimAccessTemplate<T>*)this)->m_cache.add( t );
 }
 template <class T>
 void OPimAccessTemplate<T>::setSaneCacheSize( int size ) {
     m_cache.setSize( size );
 }
 #endif
diff --git a/libopie2/opiepim/orecordlist.h b/libopie2/opiepim/orecordlist.h
index 08f5c85..5404910 100644
--- a/libopie2/opiepim/orecordlist.h
+++ b/libopie2/opiepim/orecordlist.h
@@ -1,265 +1,270 @@
 
 #ifndef OPIE_RECORD_LIST_H
 #define OPIE_RECORD_LIST_H
 
 #include <qarray.h>
 
 #include "otemplatebase.h"
 #include "opimrecord.h"
 
 /**
  * Our List Iterator
  * it behaves like STL or Qt
  *
  * for(it = list.begin(); it != list.end(); ++it )
  *   doSomeCoolStuff( (*it) );
  */
 template <class T> class ORecordList;
 template <class T = OPimRecord>
 class ORecordListIterator {
     friend class ORecordList<T>;
 public:
     typedef OTemplateBase<T> Base;
 
     /**
      * The c'tor used internally from
      * ORecordList
      */
     ORecordListIterator( const QArray<int>, const Base* );
 
     /**
      * The standard c'tor
      */
     ORecordListIterator();
     ~ORecordListIterator();
 
     ORecordListIterator( const ORecordListIterator& );
     ORecordListIterator &operator=(const ORecordListIterator& );
 
     /**
      * a * operator ;)
      * use it like this T = (*it);
      */
     T operator*();
     ORecordListIterator &operator++();
     ORecordListIterator &operator--();
 
     bool operator==( const ORecordListIterator& it );
     bool operator!=( const ORecordListIterator& it );
 
     /**
      * the current item
      */
     uint current()const;
 
     /**
      * the number of items
      */
     uint count()const;
 
     /**
      * sets the current item
      */
     void setCurrent( uint cur );
 
 private:
     QArray<int> m_uids;
     uint m_current;
     const Base* m_temp;
     bool m_end : 1;
     T m_record;
     bool m_direction :1;
 
     /* d pointer for future versions */
     class IteratorPrivate;
     IteratorPrivate *d;
 };
 /**
  * The recordlist used as a return type
  * from OPimAccessTemplate
  */
 template <class T = OPimRecord >
 class ORecordList {
 public:
     typedef OTemplateBase<T> Base;
     typedef ORecordListIterator<T> Iterator;
 
     /**
      * c'tor
      */
     ORecordList () {
     }
     ORecordList( const QArray<int>& ids,
                  const Base* );
     ~ORecordList();
 
     /**
      * the first iterator
      */
     Iterator begin();
 
     /**
      * the end
      */
     Iterator end();
 
     /**
      * the number of items in the list
      */
      uint count()const;
 
     T operator[]( uint i );
+    int uidAt(uint i );
      // FIXME implemenent remove
     /*
       ConstIterator begin()const;
       ConstIterator end()const;
     */
 private:
     QArray<int> m_ids;
     const Base* m_acc;
 };
 
 /* ok now implement it  */
 template <class T>
 ORecordListIterator<T>::ORecordListIterator() {
     m_current = 0;
     m_temp = 0l;
     m_end = true;
     m_record = T();
     /* forward */
     m_direction = TRUE;
 }
 template <class T>
 ORecordListIterator<T>::~ORecordListIterator() {
 /* nothing to delete */
 }
 
 template <class T>
 ORecordListIterator<T>::ORecordListIterator( const ORecordListIterator<T>& it) {
 //    qWarning("ORecordListIterator copy c'tor");
     m_uids = it.m_uids;
     m_current = it.m_current;
     m_temp = it.m_temp;
     m_end = it.m_end;
     m_record = it.m_record;
     m_direction = it.m_direction;
 }
 
 template <class T>
 ORecordListIterator<T> &ORecordListIterator<T>::operator=( const ORecordListIterator<T>& it) {
     m_uids = it.m_uids;
     m_current = it.m_current;
     m_temp = it.m_temp;
     m_end = it.m_end;
     m_record = it.m_record;
 
     return *this;
 }
 
 template <class T>
 T ORecordListIterator<T>::operator*() {
     qWarning("operator* %d %d", m_current,  m_uids[m_current] );
     if (!m_end )
         m_record = m_temp->find( m_uids[m_current], m_uids, m_current,
                                  m_direction ? Base::Forward :
                                  Base::Reverse  );
     else
         m_record = T();
 
     return m_record;
 }
 
 template <class T>
 ORecordListIterator<T> &ORecordListIterator<T>::operator++() {
     m_direction = true;
     if (m_current < m_uids.count() ) {
         m_end = false;
         ++m_current;
     }else
         m_end = true;
 
     return *this;
 }
 template <class T>
 ORecordListIterator<T> &ORecordListIterator<T>::operator--() {
     m_direction = false;
     if ( m_current > 0 ) {
         --m_current;
         m_end = false;
     }  else
         m_end = true;
 
     return *this;
 }
 
 template <class T>
 bool ORecordListIterator<T>::operator==( const ORecordListIterator<T>& it ) {
 
     /* if both are at we're the same.... */
     if ( m_end == it.m_end ) return true;
 
     if ( m_uids != it.m_uids ) return false;
     if ( m_current != it.m_current ) return false;
     if ( m_temp != it.m_temp ) return false;
 
     return true;
 }
 template <class T>
 bool ORecordListIterator<T>::operator!=( const ORecordListIterator<T>& it ) {
     return !(*this == it );
 }
 template <class T>
 ORecordListIterator<T>::ORecordListIterator( const QArray<int> uids,
                                   const Base* t )
     : m_uids( uids ), m_current( 0 ),  m_temp( t ), m_end( false ),
       m_direction( false )
 {
 }
 template <class T>
 uint ORecordListIterator<T>::current()const {
     return m_current;
 }
 template <class T>
 void ORecordListIterator<T>::setCurrent( uint cur ) {
     if( cur < m_uids.count() ) {
 	m_end = false;
 	m_current= cur;
     }
 }
 template <class T>
 uint ORecordListIterator<T>::count()const {
  return m_uids.count();
 }
 template <class T>
 ORecordList<T>::ORecordList( const QArray<int>& ids,
                              const Base* acc )
     : m_ids( ids ), m_acc( acc )
 {
 }
 template <class T>
 ORecordList<T>::~ORecordList() {
 /* nothing to do here */
 }
 template <class T>
 ORecordList<T>::Iterator ORecordList<T>::begin() {
     Iterator it( m_ids, m_acc );
     return it;
 }
 template <class T>
 ORecordList<T>::Iterator ORecordList<T>::end() {
     Iterator it( m_ids, m_acc );
     it.m_end = true;
     it.m_current = m_ids.count();
 
     return it;
 }
 template <class T>
 uint ORecordList<T>::count()const {
 return m_ids.count();
 }
 template <class T>
 T ORecordList<T>::operator[]( uint i ) {
     /* forward */
     return m_acc->find( m_ids[i], m_ids, i );
 }
+template <class T>
+int ORecordList<T>::uidAt( uint i ) {
+    return m_ids[i];
+}
 #endif