Add the implementation for the XRef Manager

Add it to libopie.pro
Adjust OPimRecord to use the new manager
The backends do not support xref yet

8 files changed, 184 insertions, 101 deletions

diff --git a/libopie2/opiepim/backend/otodoaccessxml.cpp b/libopie2/opiepim/backend/otodoaccessxml.cpp
index 591e467..c1682c6 100644
--- a/libopie2/opiepim/backend/otodoaccessxml.cpp
+++ b/libopie2/opiepim/backend/otodoaccessxml.cpp
@@ -78,557 +78,541 @@ bool OTodoAccessXML::load() {
 	    QCString attr( dt+i, j-i+1);
 
 	    i = ++j; // skip =
 
 	    // find the start of quotes
 	    while ( i < len && dt[i] != '"' )
 		++i;
 	    j = ++i;
 
 	    bool haveUtf = FALSE;
 	    bool haveEnt = FALSE;
 	    while ( j < len && dt[j] != '"' ) {
 		if ( ((unsigned char)dt[j]) > 0x7f )
 		    haveUtf = TRUE;
 		if ( dt[j] == '&' )
 		    haveEnt = TRUE;
 		++j;
 	    }
 	    if ( i == j ) {
 		// empty value
 		i = j + 1;
 		continue;
 	    }
 
 	    QCString value( dt+i, j-i+1 );
 	    i = j + 1;
 
 	    QString str = (haveUtf ? QString::fromUtf8( value )
 		    : QString::fromLatin1( value ) );
 	    if ( haveEnt )
 		str = Qtopia::plainString( str );
 
             /*
              * add key + value
              */
             todo( &dict, ev, attr, str );
 
         }
         /*
          * now add it
          */
         if (m_events.contains( ev.uid() ) || ev.uid() == 0) {
             ev.setUid( 1 );
             m_changed = true;
         }
         if ( ev.hasDueDate() ) {
             ev.setDueDate( QDate(m_year, m_month, m_day) );
         }
         m_events.insert(ev.uid(), ev );
         m_year = m_month = m_day = -1;
     }
 
     qWarning("counts %d records loaded!", m_events.count() );
     return true;
 }
 bool OTodoAccessXML::reload() {
     return load();
 }
 bool OTodoAccessXML::save() {
 //    qWarning("saving");
     if (!m_opened || !m_changed ) {
 //        qWarning("not saving");
         return true;
     }
     QString strNewFile = m_file + ".new";
     QFile f( strNewFile );
     if (!f.open( IO_WriteOnly|IO_Raw ) )
         return false;
 
     int written;
     QString out;
     out = "<!DOCTYPE Tasks>\n<Tasks>\n";
 
     // for all todos
     QMap<int, OTodo>::Iterator it;
     for (it = m_events.begin(); it != m_events.end(); ++it ) {
         out+= "<Task " + toString( (*it) ) + " />\n";
         QCString cstr = out.utf8();
         written = f.writeBlock( cstr.data(),  cstr.length() );
 
         /* less written then we wanted */
         if ( written != (int)cstr.length() ) {
             f.close();
             QFile::remove( strNewFile );
             return false;
         }
         out = QString::null;
     }
 
     out +=  "</Tasks>";
     QCString cstr = out.utf8();
     written = f.writeBlock( cstr.data(), cstr.length() );
 
     if ( written != (int)cstr.length() ) {
         f.close();
         QFile::remove( strNewFile );
         return false;
     }
     /* flush before renaming */
     f.close();
 
     if( ::rename( strNewFile.latin1(),  m_file.latin1() ) < 0 ) {
 //        qWarning("error renaming");
         QFile::remove( strNewFile );
     }
 
     m_changed = false;
     return true;
 }
 QArray<int> OTodoAccessXML::allRecords()const {
     QArray<int> ids( m_events.count() );
     QMap<int, OTodo>::ConstIterator it;
     int i = 0;
 
     for ( it = m_events.begin(); it != m_events.end(); ++it ) {
         ids[i] = it.key();
         i++;
     }
     return ids;
 }
 QArray<int> OTodoAccessXML::queryByExample( const OTodo&, int ) {
     QArray<int> ids(0);
     return ids;
 }
 OTodo OTodoAccessXML::find( int uid )const {
     OTodo todo;
     todo.setUid( 0 ); // isEmpty()
     QMap<int, OTodo>::ConstIterator it = m_events.find( uid );
     if ( it != m_events.end() )
         todo = it.data();
 
     return todo;
 }
 void OTodoAccessXML::clear() {
     if (m_opened )
         m_changed = true;
 
     m_events.clear();
 }
 bool OTodoAccessXML::add( const OTodo& todo ) {
 //    qWarning("add");
     m_changed = true;
     m_events.insert( todo.uid(), todo );
 
     return true;
 }
 bool OTodoAccessXML::remove( int uid ) {
     m_changed = true;
     m_events.remove( uid );
 
     return true;
 }
 bool OTodoAccessXML::replace( const OTodo& todo) {
     m_changed = true;
     m_events.replace( todo.uid(), todo );
 
     return true;
 }
 QArray<int> OTodoAccessXML::effectiveToDos( const QDate& start,
                                             const QDate& end,
                                             bool includeNoDates ) {
     QArray<int> ids( m_events.count() );
     QMap<int, OTodo>::Iterator it;
 
     int i = 0;
     for ( it = m_events.begin(); it != m_events.end(); ++it ) {
         if ( !it.data().hasDueDate() ) {
             if ( includeNoDates ) {
                 ids[i] = it.key();
                 i++;
             }
         }else if ( it.data().dueDate() >= start &&
                    it.data().dueDate() <= end ) {
             ids[i] = it.key();
             i++;
         }
     }
     ids.resize( i );
     return ids;
 }
 QArray<int> OTodoAccessXML::overDue() {
     QArray<int> ids( m_events.count() );
     int i = 0;
 
     QMap<int, OTodo>::Iterator it;
     for ( it = m_events.begin(); it != m_events.end(); ++it ) {
         if ( it.data().isOverdue() ) {
             ids[i] = it.key();
             i++;
         }
     }
     ids.resize( i );
     return ids;
 }
 
 
 /* private */
 void OTodoAccessXML::todo( QAsciiDict<int>* dict, OTodo& ev,
                             const QCString& attr, const QString& val) {
 //    qWarning("parse to do from XMLElement" );
 
     int *find=0;
 
     find = (*dict)[ attr.data() ];
     if (!find ) {
 //            qWarning("Unknown option" + it.key() );
         ev.setCustomField( attr, val );
         return;
     }
 
     switch( *find ) {
     case OTodo::Uid:
         ev.setUid( val.toInt() );
         break;
     case OTodo::Category:
         ev.setCategories( ev.idsFromString( val ) );
         break;
     case OTodo::HasDate:
         ev.setHasDueDate( val.toInt() );
         break;
     case OTodo::Completed:
         ev.setCompleted( val.toInt() );
         break;
     case OTodo::Description:
         ev.setDescription( val );
         break;
     case OTodo::Summary:
         ev.setSummary( val );
         break;
     case OTodo::Priority:
         ev.setPriority( val.toInt() );
         break;
     case OTodo::DateDay:
         m_day = val.toInt();
         break;
     case OTodo::DateMonth:
         m_month = val.toInt();
         break;
     case OTodo::DateYear:
         m_year = val.toInt();
         break;
     case OTodo::Progress:
         ev.setProgress( val.toInt() );
         break;
     case OTodo::CrossReference:
     {
         /*
          * A cross refernce looks like
          * appname,id;appname,id
          * we need to split it up
          */
         QStringList  refs = QStringList::split(';', val );
         QStringList::Iterator strIt;
         for (strIt = refs.begin(); strIt != refs.end(); ++strIt ) {
             int pos = (*strIt).find(',');
             if ( pos > -1 )
-                ev.addRelation( (*strIt).left(pos),  (*strIt).mid(pos+1).toInt() );
+                ; // ev.addRelation( (*strIt).left(pos),  (*strIt).mid(pos+1).toInt() );
 
         }
         break;
     }
     case OTodo::HasAlarmDateTime:
         ev.setHasAlarmDateTime( val.toInt() );
         break;
     case OTodo::AlarmDateTime: {
         /* this sounds better ;) zecke */
         ev.setAlarmDateTime( TimeConversion::fromISO8601( val.local8Bit() ) );
         break;
     }
     default:
         break;
     }
 }
 QString OTodoAccessXML::toString( const OTodo& ev )const {
     QString str;
 
     str += "Completed=\"" + QString::number( ev.isCompleted() ) + "\" ";
     str += "HasDate=\"" + QString::number( ev.hasDueDate() ) + "\" ";
     str += "Priority=\"" + QString::number( ev.priority() ) + "\" ";
     str += "Progress=\"" + QString::number(ev.progress() ) + "\" ";
 
     str += "Categories=\"" + toString( ev.categories() ) + "\" ";
     str += "Description=\"" + Qtopia::escapeString( ev.description() ) + "\" ";
     str += "Summary=\"" + Qtopia::escapeString( ev.summary() ) + "\" ";
 
     if ( ev.hasDueDate() ) {
         str += "DateYear=\"" + QString::number( ev.dueDate().year() ) + "\" ";
         str += "DateMonth=\"" + QString::number( ev.dueDate().month() ) + "\" ";
         str += "DateDay=\"" + QString::number( ev.dueDate().day() ) + "\" ";
     }
 //    qWarning( "Uid %d",  ev.uid() );
     str += "Uid=\"" + QString::number( ev.uid() ) + "\" ";
 
 // append the extra options
     /* FIXME Qtopia::Record this is currently not
      * possible you can set custom fields
      * but don' iterate over the list
      * I may do #define private protected
      * for this case - cough  --zecke
      */
     /*
     QMap<QString, QString> extras = ev.extras();
     QMap<QString, QString>::Iterator extIt;
     for (extIt = extras.begin(); extIt != extras.end(); ++extIt )
         str += extIt.key() + "=\"" +  extIt.data() + "\" ";
     */
     // cross refernce
-    QStringList list = ev.relatedApps();
-    QStringList::Iterator listIt;
-    QString refs;
-    str += "CrossReference=\"";
-    bool added = false;
-    for ( listIt = list.begin(); listIt != list.end(); ++listIt ) {
-        added = true;
-        QArray<int> ints = ev.relations( (*listIt) );
-        for ( uint i = 0; i< ints.count(); i++ ) {
-            str += (*listIt) + "," + QString::number( i ) + ";";
-        }
-    }
-    if ( added )
-        str = str.remove( str.length()-1, 1 );
-
-    str += "\" ";
 
     str += "AlarmDateTime=\"" + TimeConversion::toISO8601( ev.alarmDateTime() ) + "\" ";
 
     return str;
 }
 QString OTodoAccessXML::toString( const QArray<int>& ints ) const {
     return Qtopia::Record::idsToString( ints );
 }
 
 /* internal class for sorting
  *
  * Inspired by todoxmlio.cpp from TT
  */
 
 struct OTodoXMLContainer {
     OTodo todo;
 };
 
 namespace {
     inline QString string( const OTodo& todo) {
         return  todo.summary().isEmpty() ?
             todo.description().left(20 ) :
             todo.summary();
     }
     inline int completed( const OTodo& todo1, const OTodo& todo2) {
         int ret = 0;
         if ( todo1.isCompleted() ) ret++;
         if ( todo2.isCompleted() ) ret--;
         return ret;
     }
     inline int priority( const OTodo& t1, const OTodo& t2) {
         return ( t1.priority() - t2.priority() );
     }
     inline int description( const OTodo& t1, const OTodo& t2) {
         return QString::compare( string(t1), string(t2) );
     }
     inline int deadline( const OTodo& t1, const OTodo& t2) {
         int ret = 0;
         if ( t1.hasDueDate() &&
              t2.hasDueDate() )
             ret = t2.dueDate().daysTo( t1.dueDate() );
         else if ( t1.hasDueDate() )
             ret = -1;
         else if ( t2.hasDueDate() )
             ret = 1;
         else
             ret = 0;
 
         return ret;
     }
 
 };
 
 /*
    * Returns:
    *       0 if item1 == item2
    *
    *   non-zero if item1 != item2
    *
    *   This function returns int rather than bool so that reimplementations
    *   can return one of three values and use it to sort by:
    *
    *   0 if item1 == item2
    *
    *   > 0 (positive integer) if item1 > item2
    *
    *   < 0 (negative integer) if item1 < item2
    *
    */
 class OTodoXMLVector : public QVector<OTodoXMLContainer> {
 public:
     OTodoXMLVector(int size, bool asc,  int sort)
         : QVector<OTodoXMLContainer>( size )
         {
             setAutoDelete( true );
             m_asc = asc;
             m_sort = sort;
         }
         /* return the summary/description */
     QString string( const OTodo& todo) {
         return  todo.summary().isEmpty() ?
             todo.description().left(20 ) :
             todo.summary();
     }
     /**
      * we take the sortorder( switch on it )
      *
      */
     int compareItems( Item d1, Item d2 ) {
         bool seComp, sePrio, seDesc, seDeadline;
         seComp = sePrio = seDeadline = seDesc = false;
         int ret =0;
         OTodoXMLContainer* con1 = (OTodoXMLContainer*)d1;
         OTodoXMLContainer* con2 = (OTodoXMLContainer*)d2;
 
         /* same item */
         if ( con1->todo.uid() == con2->todo.uid() )
             return 0;
 
         switch ( m_sort ) {
             /* completed */
         case 0: {
             ret = completed( con1->todo, con2->todo );
             seComp = TRUE;
             break;
         }
             /* priority */
         case 1: {
             ret = priority( con1->todo, con2->todo );
             sePrio = TRUE;
             break;
         }
             /* description */
         case 2: {
             ret  = description( con1->todo, con2->todo );
             seDesc = TRUE;
             break;
         }
             /* deadline */
         case 3: {
             ret = deadline( con1->todo, con2->todo );
             seDeadline = TRUE;
             break;
         }
         default:
             ret = 0;
             break;
         };
         /*
          * FIXME do better sorting if the first sort criteria
          * ret equals 0 start with complete and so on...
          */
 
         /* twist it we're not ascending*/
         if (!m_asc)
             ret = ret * -1;
 
         if ( ret )
             return ret;
 
         // default did not gave difference let's try it other way around
         /*
          * General try if already checked if not test
          * and return
          * 1.Completed
          * 2.Priority
          * 3.Description
          * 4.DueDate
          */
         if (!seComp ) {
             if ( (ret = completed( con1->todo, con2->todo ) ) ) {
                 if (!m_asc ) ret *= -1;
                 return ret;
             }
         }
         if (!sePrio ) {
             if ( (ret = priority( con1->todo, con2->todo ) ) ) {
                 if (!m_asc ) ret *= -1;
                 return ret;
             }
         }
         if (!seDesc ) {
             if ( (ret = description(con1->todo, con2->todo ) ) ) {
                 if (!m_asc) ret *= -1;
                 return ret;
             }
         }
         if (!seDeadline) {
             if ( (ret = deadline( con1->todo, con2->todo ) ) ) {
                 if (!m_asc) ret *= -1;
                 return ret;
             }
         }
 
         return 0;
     }
  private:
     bool m_asc;
     int m_sort;
 
 };
 
 QArray<int> OTodoAccessXML::sorted( bool asc,  int sortOrder,
                                     int sortFilter,  int cat ) {
     qWarning("sorted! %d cat",  cat);
     OTodoXMLVector vector(m_events.count(), asc,sortOrder );
     QMap<int, OTodo>::Iterator it;
     int item = 0;
 
     bool bCat = sortFilter & 1 ? true : false;
     bool bOnly = sortFilter & 2 ? true : false;
     bool comp = sortFilter & 4 ? true : false;
     for ( it = m_events.begin(); it != m_events.end(); ++it ) {
 
         /* show category */
         if ( bCat && cat != 0)
             if (!(*it).categories().contains( cat ) ) {
                 qWarning("category mis match");
                 continue;
             }
         /* isOverdue but we should not show overdue - why?*/
 /*        if ( (*it).isOverdue() &&  !bOnly  ) {
             qWarning("item is overdue but !bOnly");
             continue;
         }
 */
         if ( !(*it).isOverdue() && bOnly ) {
             qWarning("item is not overdue but bOnly checked");
             continue;
         }
 
         if ((*it).isCompleted() && comp ) {
             qWarning("completed continue!");
             continue;
         }
 
 
         OTodoXMLContainer* con = new OTodoXMLContainer();
         con->todo = (*it);
         vector.insert(item, con );
         item++;
     }
     qWarning("XXX %d Items added", item);
     vector.resize( item );
     /* sort it now */
     vector.sort();
     /* now get the uids */
     QArray<int> array( vector.count() );
     for (uint i= 0; i < vector.count(); i++ ) {
         array[i] = ( vector.at(i) )->todo.uid();
     }
     qWarning("array count = %d %d", array.count(), vector.count() );
     return array;
 };
diff --git a/libopie2/opiepim/core/opimrecord.cpp b/libopie2/opiepim/core/opimrecord.cpp
index 21cf131..0e3be9d 100644
--- a/libopie2/opiepim/core/opimrecord.cpp
+++ b/libopie2/opiepim/core/opimrecord.cpp
@@ -1,132 +1,81 @@
 #include <qpe/categories.h>
 #include <qpe/categoryselect.h>
 
 #include "opimrecord.h"
 
 Qtopia::UidGen OPimRecord::m_uidGen( Qtopia::UidGen::Qtopia );
 
 
 OPimRecord::OPimRecord( int uid )
     : Qtopia::Record() {
 
     setUid( uid );
 }
 OPimRecord::~OPimRecord() {
 }
 OPimRecord::OPimRecord( const OPimRecord& rec )
     : Qtopia::Record( rec )
 {
     (*this) = rec;
 }
 
 OPimRecord &OPimRecord::operator=( const OPimRecord& rec) {
     Qtopia::Record::operator=( rec );
-    m_relations = rec.m_relations;
+    m_xrefman = rec.m_xrefman;
 
     return  *this;
 }
 /*
  * category names
  */
 QStringList OPimRecord::categoryNames()const {
     QStringList list;
     QArray<int> cats = categories();
     Categories catDB;
     catDB.load( categoryFileName() );
 
     for (uint i = 0; i < cats.count(); i++ ) {
         list << catDB.label("Todo List", cats[i] );
     }
 
     return list;
 }
 void OPimRecord::setCategoryNames( const QStringList& ) {
 
 }
 void OPimRecord::addCategoryName( const QString& ) {
     Categories catDB;
     catDB.load( categoryFileName() );
 
 
 }
 bool OPimRecord::isEmpty()const {
     return ( uid() == 0 );
 }
-QStringList OPimRecord::relatedApps()const{
-    QStringList list;
-    QMap<QString, QArray<int> >::ConstIterator it;
-    for ( it = m_relations.begin(); it != m_relations.end(); ++it ) {
-        list << it.key();
-    }
-    return list;
-}
-QArray<int> OPimRecord::relations(const QString& app )const {
-    QArray<int> tmp;
-    QMap<QString, QArray<int> >::ConstIterator it;
-    it = m_relations.find( app);
-    if ( it != m_relations.end() )
-        tmp = it.data();
-    return tmp;
-}
-void OPimRecord::clearRelation( const QString& app ) {
-    m_relations.remove( app );
-}
-void OPimRecord::addRelation( const QString& app,  int id ) {
-
-    QMap<QString, QArray<int> >::Iterator  it;
-    QArray<int> tmp;
-
-    it = m_relations.find( app );
-    if ( it == m_relations.end() ) {
-        tmp.resize(1 );
-        tmp[0] = id;
-    }else{
-        tmp = it.data();
-        tmp.resize( tmp.size() + 1 );
-        tmp[tmp.size() - 1] = id;
-    }
-    m_relations.replace( app,  tmp );
-}
-void OPimRecord::setRelations( const QString& app,  QArray<int> ids ) {
-
-    QMap<QString, QArray<int> >::Iterator it;
-    QArray<int> tmp;
-
-    it = m_relations.find( app);
-    if ( it == m_relations.end() ) {
-        tmp = ids;
-    }else{
-        tmp = it.data();
-        int offset = tmp.size()-1;
-        tmp.resize( tmp.size() + ids.size() );
-        for (uint i = 0; i < ids.size(); i++ ) {
-            tmp[offset+i] = ids[i];
-        }
-
-    }
-    m_relations.replace( app,  tmp );
-}
-QString OPimRecord::crossToString()const {
+/*QString OPimRecord::crossToString()const {
     QString str;
     QMap<QString, QArray<int> >::ConstIterator it;
     for (it = m_relations.begin(); it != m_relations.end(); ++it ) {
         QArray<int> id = it.data();
         for ( uint i = 0; i < id.size(); ++i ) {
             str += it.key() + "," + QString::number( i ) + ";";
         }
     }
     str = str.remove( str.length()-1, 1); // strip the ;
     //qWarning("IDS " + str );
 
     return str;
-}
+    }*/
 /* if uid = 1 assign a new one */
 void OPimRecord::setUid( int uid ) {
     if ( uid == 1)
         uid = uidGen().generate();
 
     Qtopia::Record::setUid( uid );
 };
 Qtopia::UidGen &OPimRecord::uidGen() {
     return m_uidGen;
 }
+OPimXRefManager &OPimRecord::xrefmanager() {
+    return m_xrefman;
+}
diff --git a/libopie2/opiepim/core/opimrecord.h b/libopie2/opiepim/core/opimrecord.h
index d9ccad4..1642a5e 100644
--- a/libopie2/opiepim/core/opimrecord.h
+++ b/libopie2/opiepim/core/opimrecord.h
@@ -1,133 +1,116 @@
 #ifndef OPIE_PIM_RECORD_H
 #define OPIE_PIM_RECORD_H
 
 #include <qmap.h>
 #include <qstring.h>
 #include <qstringlist.h>
 
 #include <qpe/palmtoprecord.h>
 
+#include <opie/opimxrefmanager.h>
 
 /**
  * This is the base class for
  * all PIM Records
  *
  */
 class OPimRecord : public Qtopia::Record {
 public:
     /**
      * c'tor
      * uid of 0 isEmpty
      * uid of 1 will be assigned a new one
      */
     OPimRecord(int uid = 0);
     ~OPimRecord();
 
     /**
      * copy c'tor
      */
     OPimRecord( const OPimRecord& rec );
 
     /**
      * copy operator
      */
     OPimRecord &operator=( const OPimRecord& );
 
     /**
      * category names resolved
      */
     QStringList categoryNames()const;
 
     /**
      * set category names they will be resolved
      */
     void setCategoryNames( const QStringList& );
 
     /**
      * addCategoryName adds a name
      * to the internal category list
      */
     void addCategoryName( const QString& );
 
     /**
      * if a Record isEmpty
      * it's empty if it's 0
      */
     virtual bool isEmpty()const;
 
     /**
      * toRichText summary
      */
     virtual QString toRichText()const = 0;
 
     /**
      * a small one line summary
      */
     virtual QString toShortText()const = 0;
 
     /**
      * the name of the Record
      */
     virtual QString type()const = 0;
 
     /**
      * converts the internal structure to a map
      */
     virtual QMap<int, QString> toMap()const = 0;
 
     /**
      * key value representation of extra items
      */
     virtual QMap<QString, QString> toExtraMap()const = 0;
 
     /**
      * the name for a recordField
      */
     virtual QString recordField(int)const = 0;
 
     /**
-     * the related apps names
+     * returns a reference of the
+     * Cross Reference Manager
+     * Partner One is THIS PIM RECORD!
+     * Two is the Partner where we link to
      */
-    QStringList relatedApps()const;
-
-    /**
-     * the realtions between an app
-     */
-    QArray<int> relations( const QString& app )const;
-
-    /**
-     * clear the relations for all relations
-     * with app
-     */
-    void clearRelation( const QString& app );
-
-    /**
-     * add a relation
-     */
-    void addRelation( const QString& app,  int id );
-
-    /**
-     * set the relations for an app
-     */
-    void setRelations( const QString&, QArray<int> ids );
+    OPimXRefManager& xrefmanager();
 
     /**
      * set the uid
      */
     virtual void setUid( int uid );
 
 protected:
     Qtopia::UidGen &uidGen();
-    QString crossToString()const;
+//    QString crossToString()const;
 
 private:
     class OPimRecordPrivate;
     OPimRecordPrivate *d;
-    QMap<QString, QArray<int> > m_relations;
+    OPimXRefManager m_xrefman;
     static Qtopia::UidGen m_uidGen;
 
 };
 
 
 
 #endif
diff --git a/libopie2/opiepim/core/opimxref.cpp b/libopie2/opiepim/core/opimxref.cpp
new file mode 100644
index 0000000..5cae871
--- a/dev/null
+++ b/libopie2/opiepim/core/opimxref.cpp
@@ -0,0 +1,47 @@
+#include "opimxref.h"
+
+OPimXRef::OPimXRef( const OPimXRefPartner& one, const OPimXRefPartner& two )
+    : m_partners(2)
+{
+    m_partners[0] = one;
+    m_partners[1] = two;
+}
+OPimXRef::OPimXRef()
+    : m_partners(2)
+{
+
+}
+OPimXRef::OPimXRef( const OPimXRef& ref) {
+    *this = ref;
+}
+OPimXRef::~OPimXRef() {
+}
+OPimXRef &OPimXRef::operator=( const OPimXRef& ref) {
+    m_partners = ref.m_partners;
+    m_partners.detach();
+
+    return* this;
+}
+bool OPimXRef::operator==( const OPimXRef& oper ) {
+    if ( m_partners == oper.m_partners ) return true;
+
+    return false;
+}
+OPimXRefPartner OPimXRef::partner( enum Partners par) const{
+    return m_partners[par];
+}
+void OPimXRef::setPartner( enum Partners par,  const OPimXRefPartner& part) {
+    m_partners[par] = part;
+}
+bool OPimXRef::containsString( const QString& string ) const{
+    if ( m_partners[One].appName() == string ||
+         m_partners[Two].appName() == string ) return true;
+
+    return false;
+}
+bool OPimXRef::containsUid( int uid ) const{
+    if ( m_partners[One].uid() == uid ||
+         m_partners[Two].uid() == uid ) return true;
+
+    return false;
+}
diff --git a/libopie2/opiepim/core/opimxref.h b/libopie2/opiepim/core/opimxref.h
index 72154ac..354739a 100644
--- a/libopie2/opiepim/core/opimxref.h
+++ b/libopie2/opiepim/core/opimxref.h
@@ -1,36 +1,39 @@
 #ifndef OPIM_XREF_H
 #define OPIM_XREF_H
 
 #include <qarray.h>
 #include <qvaluelist.h>
 
 #include <opie/opimxrefpartner.h>
 
 /**
  * this is a Cross Referecne between
  * two Cross Reference Partners
  */
 class OPimXRef {
 public:
     typedef QValueList<OPimXRef> ValueList;
     enum Partners { One, Two };
     OPimXRef( const OPimXRefPartner& ONE, const OPimXRefPartner& );
     OPimXRef();
     OPimXRef( const OPimXRef& );
     ~OPimXRef();
 
     OPimXRef &operator=( const OPimXRef& );
-    bool operator==( const OPimXRef );
+    bool operator==( const OPimXRef& );
 
-    OPimXRefPartner partner( enum Partners );
+    OPimXRefPartner partner( enum Partners )const;
 
     void setPartner( enum Partners,  const OPimXRefPartner& );
 
+    bool containsString( const QString& appName)const;
+    bool containsUid( int uid )const;
+
 private:
     QArray<OPimXRefPartner> m_partners;
 
     class Private;
     Private *d;
 };
 
 #endif
diff --git a/libopie2/opiepim/core/opimxrefmanager.cpp b/libopie2/opiepim/core/opimxrefmanager.cpp
new file mode 100644
index 0000000..d49f5f5
--- a/dev/null
+++ b/libopie2/opiepim/core/opimxrefmanager.cpp
@@ -0,0 +1,69 @@
+#include "opimxrefmanager.h"
+
+
+OPimXRefManager::OPimXRefManager() {
+}
+OPimXRefManager::OPimXRefManager( const OPimXRefManager& ref) {
+    m_list = ref.m_list;
+}
+OPimXRefManager &OPimXRefManager::operator=( const OPimXRefManager& ref) {
+    m_list = ref.m_list;
+    return *this;
+}
+bool OPimXRefManager::operator==( const OPimXRefManager& /*ref*/) {
+    //   if ( m_list == ref.m_list ) return true;
+
+    return false;
+}
+void OPimXRefManager::add( const OPimXRef& ref) {
+    m_list.append( ref );
+}
+void OPimXRefManager::remove( const OPimXRef& ref) {
+    m_list.remove( ref );
+}
+void OPimXRefManager::replace( const OPimXRef& ref) {
+    m_list.remove( ref );
+    m_list.append( ref );
+}
+void OPimXRefManager::clear() {
+    m_list.clear();
+}
+QStringList OPimXRefManager::apps()const {
+    OPimXRef::ValueList::ConstIterator it;
+    QStringList list;
+
+    QString str;
+    for ( it = m_list.begin(); it != m_list.end(); ++it ) {
+        str = (*it).partner( OPimXRef::One ).appName();
+        if ( !list.contains( str ) ) list << str;
+
+        str = (*it).partner( OPimXRef::Two ).appName();
+        if ( !list.contains( str ) ) list << str;
+    }
+    return list;
+}
+OPimXRef::ValueList OPimXRefManager::list()const {
+    return m_list;
+}
+OPimXRef::ValueList OPimXRefManager::list( const QString& appName )const{
+    OPimXRef::ValueList list;
+    OPimXRef::ValueList::ConstIterator it;
+
+    for ( it = m_list.begin(); it != m_list.end(); ++it ) {
+        if ( (*it).containsString( appName ) )
+            list.append( (*it) );
+    }
+
+    return list;
+}
+OPimXRef::ValueList OPimXRefManager::list( int uid )const {
+    OPimXRef::ValueList list;
+    OPimXRef::ValueList::ConstIterator it;
+
+    for ( it = m_list.begin(); it != m_list.end(); ++it ) {
+        if ( (*it).containsUid( uid ) )
+            list.append( (*it) );
+    }
+
+    return list;
+}
diff --git a/libopie2/opiepim/core/opimxrefmanager.h b/libopie2/opiepim/core/opimxrefmanager.h
index 147895d..9b003a3 100644
--- a/libopie2/opiepim/core/opimxrefmanager.h
+++ b/libopie2/opiepim/core/opimxrefmanager.h
@@ -1,36 +1,41 @@
 #ifndef OPIM_XREF_MANAGER_H
 #define OPIM_XREF_MANAGER_H
 
+#include <qstringlist.h>
+
 #include <opie/opimxref.h>
 
 /**
  * This is a simple manager for
  * OPimXRefs.
  * It allows addition, removing, replacing
  * clearing and 'querying' the XRef...
  */
 class OPimXRefManager {
 public:
     OPimXRefManager();
     OPimXRefManager( const OPimXRefManager& );
     ~OPimXRefManager();
 
     OPimXRefManager& operator=( const OPimXRefManager& );
     bool operator==( const OPimXRefManager& );
 
     void add( const OPimXRef& );
     void remove( const OPimXRef& );
     void replace( const OPimXRef& );
 
     void clear();
 
     /**
      * apps participating
      */
     QStringList apps()const;
     OPimXRef::ValueList list()const;
     OPimXRef::ValueList list( const QString& appName )const;
     OPimXRef::ValueList list( int uid )const;
+
+private:
+    OPimXRef::ValueList m_list;
 };
 
 #endif
diff --git a/libopie2/opiepim/core/opimxrefpartner.cpp b/libopie2/opiepim/core/opimxrefpartner.cpp
new file mode 100644
index 0000000..028f4e6
--- a/dev/null
+++ b/libopie2/opiepim/core/opimxrefpartner.cpp
@@ -0,0 +1,43 @@
+#include "opimxrefpartner.h"
+
+OPimXRefPartner::OPimXRefPartner( const QString& appName,
+                                  int uid, int field )
+    : m_app(appName), m_uid(uid), m_field( field ) {
+}
+OPimXRefPartner::OPimXRefPartner( const OPimXRefPartner& ref ) {
+    *this = ref;
+}
+OPimXRefPartner::~OPimXRefPartner() {
+}
+OPimXRefPartner &OPimXRefPartner::operator=( const OPimXRefPartner& par ) {
+    m_app = par.m_app;
+    m_uid = par.m_uid;
+    m_field = par.m_field;
+
+    return *this;
+}
+bool OPimXRefPartner::operator==( const OPimXRefPartner& par ) {
+    if ( m_app != par.m_app ) return false;
+    if ( m_uid != par.m_uid ) return false;
+    if ( m_field != par.m_field ) return false;
+
+    return true;
+}
+QString OPimXRefPartner::appName()const {
+    return m_app;
+}
+int OPimXRefPartner::uid()const {
+    return m_uid;
+}
+int OPimXRefPartner::field()const {
+    return m_field;
+}
+void OPimXRefPartner::setAppName( const QString& appName ) {
+    m_app = appName;
+}
+void OPimXRefPartner::setUid( int uid ) {
+    m_uid = uid;
+}
+void OPimXRefPartner::setField( int field ) {
+    m_field = field;
+}