Fix sorting

Now if one columns equals another we try harder to find a difference
Fixed DueDate sorting...
This makes the UI more appealing

1 files changed, 94 insertions, 26 deletions

diff --git a/libopie2/opiepim/backend/otodoaccessxml.cpp b/libopie2/opiepim/backend/otodoaccessxml.cpp
index 385fd27..591e467 100644
--- a/libopie2/opiepim/backend/otodoaccessxml.cpp
+++ b/libopie2/opiepim/backend/otodoaccessxml.cpp
@@ -394,38 +394,77 @@ QString OTodoAccessXML::toString( const OTodo& ev )const {
             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 */
+/* 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> {
@@ -435,89 +474,118 @@ public:
         {
             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 = 0;
-            if ( con1->todo.isCompleted() ) ret++;
-            if ( con2->todo.isCompleted() ) ret--;
+            ret = completed( con1->todo, con2->todo );
+            seComp = TRUE;
             break;
         }
             /* priority */
         case 1: {
-            ret = con1->todo.priority() - con2->todo.priority();
-            qWarning(" priority %d %d %d",  ret,
-                     con1->todo.priority(),
-                     con2->todo.priority()
-                     );
+            ret = priority( con1->todo, con2->todo );
+            sePrio = TRUE;
             break;
         }
             /* description */
         case 2: {
-            QString str1 = string( con1->todo );
-            QString str2 = string( con2->todo );
-            ret  = QString::compare( str1, str2 );
+            ret  = description( con1->todo, con2->todo );
+            seDesc = TRUE;
             break;
         }
             /* deadline */
         case 3: {
-            /* either bot got a dueDate
-             * or one of them got one
-             */
-            if ( con1->todo.hasDueDate() &&
-                 con2->todo.hasDueDate() )
-                ret = con1->todo.dueDate().daysTo( con2->todo.dueDate() );
-
-
-            else if ( con1->todo.hasDueDate() )
-                ret = -1;
-            else if ( con2->todo.hasDueDate() )
-                ret = 0;
+            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;
-        return ret;
+
+        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;