author | zecke <zecke> | 2002-10-13 02:22:58 (UTC) |
---|---|---|
committer | zecke <zecke> | 2002-10-13 02:22:58 (UTC) |
commit | d96ce086c617b5b2efc5081cd10a43257a78f488 (patch) (side-by-side diff) | |
tree | 4f6b80b7295127bd82cc5fb8ffd1d532c42a396b | |
parent | 2ce86d9be1bbf99092348adf815578b110fe7289 (diff) | |
download | opie-d96ce086c617b5b2efc5081cd10a43257a78f488.zip opie-d96ce086c617b5b2efc5081cd10a43257a78f488.tar.gz opie-d96ce086c617b5b2efc5081cd10a43257a78f488.tar.bz2 |
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...
-rw-r--r-- | libopie/pim/opimaccesstemplate.h | 2 | ||||
-rw-r--r-- | libopie/pim/orecordlist.h | 5 | ||||
-rw-r--r-- | libopie/pim/otodoaccesssql.cpp | 31 | ||||
-rw-r--r-- | libopie/pim/otodoaccesssql.h | 3 | ||||
-rw-r--r-- | libopie2/opiepim/backend/otodoaccesssql.cpp | 31 | ||||
-rw-r--r-- | libopie2/opiepim/backend/otodoaccesssql.h | 3 | ||||
-rw-r--r-- | libopie2/opiepim/core/opimaccesstemplate.h | 2 | ||||
-rw-r--r-- | libopie2/opiepim/orecordlist.h | 5 |
8 files changed, 58 insertions, 24 deletions
diff --git a/libopie/pim/opimaccesstemplate.h b/libopie/pim/opimaccesstemplate.h index 92d7192..a0d8f63 100644 --- a/libopie/pim/opimaccesstemplate.h +++ b/libopie/pim/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/libopie/pim/orecordlist.h b/libopie/pim/orecordlist.h index 08f5c85..5404910 100644 --- a/libopie/pim/orecordlist.h +++ b/libopie/pim/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 diff --git a/libopie/pim/otodoaccesssql.cpp b/libopie/pim/otodoaccesssql.cpp index a059dab..ea8b3c9 100644 --- a/libopie/pim/otodoaccesssql.cpp +++ b/libopie/pim/otodoaccesssql.cpp @@ -52,475 +52,488 @@ namespace { 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/libopie/pim/otodoaccesssql.h b/libopie/pim/otodoaccesssql.h index c1aa2ed..0f6dd2c 100644 --- a/libopie/pim/otodoaccesssql.h +++ b/libopie/pim/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/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 @@ -52,475 +52,488 @@ namespace { 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 |