Add a sort function and filter function to TodoAccess

This would allow us todo a paint hack in QTable

1 files changed, 145 insertions, 0 deletions

diff --git a/libopie2/opiepim/backend/otodoaccessxml.cpp b/libopie2/opiepim/backend/otodoaccessxml.cpp
index 5fe733c..692483e 100644
--- a/libopie2/opiepim/backend/otodoaccessxml.cpp
+++ b/libopie2/opiepim/backend/otodoaccessxml.cpp
@@ -1,49 +1,50 @@
 #include <qfile.h>
+#include <qvector.h>
 
 #include <qpe/global.h>
 #include <qpe/stringutil.h>
 #include <qpe/timeconversion.h>
 
 #include <opie/xmltree.h>
 
 #include "otodoaccessxml.h"
 
 OTodoAccessXML::OTodoAccessXML( const QString& appName,
                                 const QString& fileName )
     : OTodoAccessBackend(), m_app( appName ),  m_opened( false ), m_changed( false )
 {
     if (!fileName.isEmpty() )
         m_file = fileName;
     else
         m_file = Global::applicationFileName( "todolist", "todolist.xml" );
 }
 OTodoAccessXML::~OTodoAccessXML() {
 
 }
 bool OTodoAccessXML::load() {
     m_opened = true;
     m_changed = false;
     /* initialize dict */
     /*
      * UPDATE dict if you change anything!!!
      */
     QAsciiDict<int> dict(15);
     dict.setAutoDelete( TRUE );
     dict.insert("Categories" ,     new int(OTodo::Category)         );
     dict.insert("Uid" ,            new int(OTodo::Uid)              );
     dict.insert("HasDate" ,        new int(OTodo::HasDate)          );
     dict.insert("Completed" ,      new int(OTodo::Completed)        );
     dict.insert("Description" ,    new int(OTodo::Description)      );
     dict.insert("Summary" ,        new int(OTodo::Summary)          );
     dict.insert("Priority" ,       new int(OTodo::Priority)         );
     dict.insert("DateDay" ,        new int(OTodo::DateDay)          );
     dict.insert("DateMonth" ,      new int(OTodo::DateMonth)        );
     dict.insert("DateYear" ,       new int(OTodo::DateYear)         );
     dict.insert("Progress" ,       new int(OTodo::Progress)         );
     dict.insert("Completed",       new int(OTodo::Completed)        );
     dict.insert("CrossReference",  new int(OTodo::CrossReference)   );
     dict.insert("HasAlarmDateTime",new int(OTodo::HasAlarmDateTime) );
     dict.insert("AlarmDateTime",   new int(OTodo::AlarmDateTime)    );
 
     Opie::XMLElement *root = Opie::XMLElement::load( m_file );
     int day, year, month;
@@ -211,96 +212,97 @@ QArray<int> OTodoAccessXML::overDue() {
         if ( it.data().isOverdue() ) {
             ids[i] = it.key();
             i++;
         }
     }
     ids.resize( i );
     return ids;
 }
 
 
 /* private */
 OTodo OTodoAccessXML::todo( QAsciiDict<int>* dict, Opie::XMLElement* element)const {
 //    qWarning("parse to do from XMLElement" );
     OTodo ev;
     QMap<QString, QString> attributes = element->attributes();
     QMap<QString, QString>::Iterator it;
 
     int *find=0;
     int day, month, year;
     day = month = year = -1;
     for ( it = attributes.begin(); it != attributes.end(); ++it ) {
         find = (*dict)[ it.key() ];
         if (!find ) {
 //            qWarning("Unknown option" + it.key() );
             ev.setCustomField( it.key(), it.data() );
             continue;
         }
 
         switch( *find ) {
         case OTodo::Uid:
             ev.setUid( it.data().toInt() );
             break;
         case OTodo::Category:
             ev.setCategories( ev.idsFromString( it.data() ) );
             break;
         case OTodo::HasDate:
             ev.setHasDueDate( it.data().toInt() );
             break;
         case OTodo::Completed:
             ev.setCompleted( it.data().toInt() );
             break;
         case OTodo::Description:
             ev.setDescription( it.data() );
             break;
         case OTodo::Summary:
             ev.setSummary( it.data() );
             break;
         case OTodo::Priority:
+            qWarning("ParsePriority " + it.data() );
             ev.setPriority( it.data().toInt() );
             break;
         case OTodo::DateDay:
             day = it.data().toInt();
             break;
         case OTodo::DateMonth:
             month = it.data().toInt();
             break;
         case OTodo::DateYear:
             year = it.data().toInt();
             break;
         case OTodo::Progress:
             ev.setProgress( it.data().toInt() );
             break;
         case OTodo::CrossReference:
         {
          /*
           * A cross refernce looks like
           * appname,id;appname,id
           * we need to split it up
           */
             QStringList refs = QStringList::split(';', it.data() );
             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() );
 
             }
             break;
         }
         case OTodo::HasAlarmDateTime:
             ev.setHasAlarmDateTime( it.data().toInt() );
             break;
         case OTodo::AlarmDateTime: {
             /* this sounds better ;) zecke */
             ev.setAlarmDateTime( TimeConversion::fromISO8601( it.data().local8Bit() ) );
             break;
         }
         default:
             break;
         }
     }
     if ( ev.hasDueDate() ) {
         QDate date( year,  month, day );
         ev.setDueDate( date );
     }
 
@@ -319,48 +321,191 @@ QString OTodoAccessXML::toString( const OTodo& ev )const {
     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 */
+
+struct OTodoXMLContainer {
+    OTodo todo;
+};
+  /*
+   * 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 ) {
+        qWarning("compare items");
+        int ret =0;
+        OTodoXMLContainer* con1 = (OTodoXMLContainer*)d1;
+        OTodoXMLContainer* con2 = (OTodoXMLContainer*)d2;
+
+        /* same item */
+        if ( con1->todo.uid() == con2->todo.uid() )
+            return 0;
+        qWarning("m_sort %d", m_sort );
+
+        switch ( m_sort ) {
+            /* completed */
+        case 0: {
+            ret = 0;
+            if ( con1->todo.isCompleted() ) ret++;
+            if ( con2->todo.isCompleted() ) ret--;
+            break;
+        }
+            /* priority */
+        case 1: {
+            ret = con1->todo.priority() - con2->todo.priority();
+            qWarning(" priority %d %d %d",  ret,
+                     con1->todo.priority(),
+                     con2->todo.priority()
+                     );
+            break;
+        }
+            /* description */
+        case 2: {
+            QString str1 = string( con1->todo );
+            QString str2 = string( con2->todo );
+            ret  = QString::compare( str1, str2 );
+            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;
+            break;
+        }
+        default:
+            ret = 0;
+            break;
+        };
+
+        /* twist it we're not ascending*/
+        if (!m_asc)
+            ret = ret * -1;
+        return ret;
+    }
+ private:
+    bool m_asc;
+    int m_sort;
+
+};
+
+QArray<int> OTodoAccessXML::sorted( bool asc,  int sortOrder,
+                                    int sortFilter,  int cat ) {
+    OTodoXMLVector vector(m_events.count(), asc,sortOrder );
+    QMap<int, OTodo>::Iterator it;
+    int item = 0;
+
+    bool bCat = sortFilter & 1 ? true : false;
+    bool bOver = sortFilter & 0 ? true : false;
+    bool bOnly = split & 2 ? true : false;
+    for ( it = m_events.begin(); it != m_events.end(); ++it ) {
+
+        /* show category */
+        if ( bCat )
+            if (!(*it).categories().contains( cat ) )
+                continue;
+        /* isOverdue but we should not show overdue */
+        if ( (*it).isOverdue() && ( !bOver || !bOnly ) )
+            continue;
+        if ( !(*it).isOverdue() && bOnly )
+            continue;
+
+
+        OTodoXMLContainer* con = new OTodoXMLContainer();
+        con->todo = (*it);
+        vector.insert(item, con );
+        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();
+    }
+    return array;
+};