3 files changed, 44 insertions, 2 deletions

diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index 1807bc4..de2a381 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -205,95 +205,95 @@ class Incidence : public IncidenceBase
     void setSecrecy(int);
     /** return the event's secrecy. */
     int secrecy() const;
     /** return the event's secrecy in string format. */
     QString secrecyStr() const;
     /** return list of all availbale secrecy classes */
     static QStringList secrecyList();
     /** return human-readable name of secrecy class */
     static QString secrecyName(int);
 
     /** returns TRUE if the date specified is one on which the event will
      * recur. */
     bool recursOn(const QDate &qd) const;
 
     // VEVENT and VTODO, but not VJOURNAL (move to EventBase class?):
 
     /** set resources used, such as Office, Car, etc. */
     void setResources(const QStringList &resources);
     /** return list of current resources */
     QStringList resources() const;
 
     /** set the event's priority, 0 is undefined, 1 highest (decreasing order) */
     void setPriority(int priority);
     /** get the event's priority */
     int priority() const;
 
     /** All alarms that are associated with this incidence */
     QPtrList<Alarm> alarms() const;
     /** Create a new alarm which is associated with this incidence */
     Alarm* newAlarm();
     /** Add an alarm which is associated with this incidence */
     void addAlarm(Alarm*);
     /** Remove an alarm that is associated with this incidence */
     void removeAlarm(Alarm*);
     /** Remove all alarms that are associated with this incidence */
     void clearAlarms();
     /** return whether any alarm associated with this incidence is enabled */
     bool isAlarmEnabled() const;
 
     /**
       Return the recurrence rule associated with this incidence. If there is
       none, returns an appropriate (non-0) object.
     */
     Recurrence *recurrence() const;
     void setRecurrence(Recurrence * r);
     /**
       Forward to Recurrence::doesRecur().
     */
     ushort doesRecur() const;
 
     /** set the event's/todo's location. Do _not_ use it with journal */
     void setLocation(const QString &location);
     /** return the event's/todo's location. Do _not_ use it with journal */
     QString location() const;  
    /** returns TRUE or FALSE depending on whether the todo has a start date */
     bool hasStartDate() const;
     /** sets the event's hasStartDate value. */
     void setHasStartDate(bool f);
     QDateTime getNextOccurence( const QDateTime& dt, bool* yes ) const;
     bool cancelled() const;
     void setCancelled( bool b );
 
 protected:
     QPtrList<Alarm> mAlarms;
+    QPtrList<Incidence> mRelations;
   private:
     int mRevision;
     bool mCancelled;
 
     // base components of jounal, event and todo
     QDateTime mCreated;
     QString mDescription;
     QString mSummary;
     QStringList mCategories;
     Incidence *mRelatedTo;
     QString mRelatedToUid;
-    QPtrList<Incidence> mRelations;
     DateList mExDates;
     QPtrList<Attachment> mAttachments;
     QStringList mResources;
     bool mHasStartDate;                  // if todo has associated start date
 
     int mSecrecy;
     int mPriority;                        // 1 = highest, 2 = less, etc.
 
     //QPtrList<Alarm> mAlarms;
     Recurrence *mRecurrence;
     
     QString mLocation;
 };
 
 bool operator==( const Incidence&, const Incidence& );
 
 }
 
 #endif
diff --git a/libkcal/todo.cpp b/libkcal/todo.cpp
index 7f1de78..d81a68f 100644
--- a/libkcal/todo.cpp
+++ b/libkcal/todo.cpp
@@ -132,129 +132,159 @@ bool KCal::operator==( const Todo& t1, const Todo& t2 )
                         return false;
             } else
                 return false;// float !=
         }
         
     } else
         return false;
     if ( t1.percentComplete() != t2.percentComplete() )
         return false;
     if ( t1.isCompleted() ) {
         if (  t1.hasCompletedDate() == t2.hasCompletedDate() ) {
             if ( t1.hasCompletedDate() ) {
                 if ( t1.completed() != t2.completed() )
                     return false;
             }
             
         } else
             return false;
     }
     return true;
 
 }
 
 void Todo::setDtDue(const QDateTime &dtDue)
 {
   //int diffsecs = mDtDue.secsTo(dtDue);
 
   /*if (mReadOnly) return;
   const QPtrList<Alarm>& alarms = alarms();
   for (Alarm* alarm = alarms.first(); alarm; alarm = alarms.next()) {
     if (alarm->enabled()) {
       alarm->setTime(alarm->time().addSecs(diffsecs));
     }
   }*/
   mDtDue = getEvenTime(dtDue);
 
   //kdDebug(5800) << "setDtDue says date is " << mDtDue.toString() << endl;
 
   /*const QPtrList<Alarm>& alarms = alarms();
   for (Alarm* alarm = alarms.first(); alarm; alarm = alarms.next())
     alarm->setAlarmStart(mDtDue);*/
 
   updated();
 }
 
 QDateTime Todo::dtDue() const
 {
   return mDtDue;
 }
 
 QString Todo::dtDueTimeStr() const
 {
   return KGlobal::locale()->formatTime(mDtDue.time());
 }
 
 QString Todo::dtDueDateStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDate(mDtDue.date(),shortfmt);
 }
 
 QString Todo::dtDueStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDateTime(mDtDue, shortfmt);
 }
-
+// retval 0 : no found
+//        1 : due for date found
+//        2 : overdue for date found
+int Todo::hasDueSubTodoForDate( const QDate & date, bool checkSubtodos  )
+{
+    int retval = 0;
+    if ( isCompleted() )
+        return 0;
+    if ( hasDueDate() ) {
+        if ( dtDue().date() < date )
+            return 2;
+        // we do not return, because we may find an overdue sub todo
+        if ( dtDue().date() == date )
+            retval = 1;
+    }
+    if ( checkSubtodos ) {
+        Incidence *aTodo;
+        for (aTodo = mRelations.first(); aTodo; aTodo = mRelations.next()) {
+            int ret = ((Todo*)aTodo)->hasDueSubTodoForDate( date ,checkSubtodos );
+            if ( ret == 2 )
+                return 2;
+            if ( ret == 1)
+                retval = 1;
+        }
+    }
+    return retval;
+}
+int Todo::hasDueSubTodo( bool checkSubtodos  ) //= true
+{  
+    return hasDueSubTodoForDate(QDate::currentDate(), checkSubtodos );
+}
 bool Todo::hasDueDate() const
 {
   return mHasDueDate;
 }
 
 void Todo::setHasDueDate(bool f)
 {
   if (mReadOnly) return;
   mHasDueDate = f;
   updated();
 }
 
 
 #if 0
 void Todo::setStatus(const QString &statStr)
 {
   if (mReadOnly) return;
   QString ss(statStr.upper());
 
   if (ss == "X-ACTION")
     mStatus = NEEDS_ACTION;
   else if (ss == "NEEDS ACTION")
     mStatus = NEEDS_ACTION;
   else if (ss == "ACCEPTED")
     mStatus = ACCEPTED;
   else if (ss == "SENT")
     mStatus = SENT;
   else if (ss == "TENTATIVE")
     mStatus = TENTATIVE;
   else if (ss == "CONFIRMED")
     mStatus = CONFIRMED;
   else if (ss == "DECLINED")
     mStatus = DECLINED;
   else if (ss == "COMPLETED")
     mStatus = COMPLETED;
   else if (ss == "DELEGATED")
     mStatus = DELEGATED;
 
   updated();
 }
 
 void Todo::setStatus(int status)
 {
   if (mReadOnly) return;
   mStatus = status;
   updated();
 }
 
 int Todo::status() const
 {
   return mStatus;
 }
 
 QString Todo::statusStr() const
 {
   switch(mStatus) {
   case NEEDS_ACTION:
     return QString("NEEDS ACTION");
     break;
   case ACCEPTED:
     return QString("ACCEPTED");
     break;
   case SENT:
     return QString("SENT");
diff --git a/libkcal/todo.h b/libkcal/todo.h
index 41f5841..137b252 100644
--- a/libkcal/todo.h
+++ b/libkcal/todo.h
@@ -1,122 +1,134 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 #ifndef TODO_H
 #define TODO_H
 //
 // Todo component, representing a VTODO object
 //
 
 #include "incidence.h"
 
 namespace KCal {
 
 /**
   This class provides a Todo in the sense of RFC2445.
 */
 class Todo : public Incidence
 {
   public:
     Todo();
     Todo(const Todo &);
     ~Todo();
     typedef ListBase<Todo> List;
     QCString type() const { return "Todo"; }
 
     /** Return an exact copy of this todo. */
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset ) const;
 
     /** for setting the todo's due date/time with a QDateTime. */
     void setDtDue(const QDateTime &dtDue);
     /** returns an event's Due date/time as a QDateTime. */
     QDateTime dtDue() const;
     /** returns an event's due time as a string formatted according to the
      users locale settings */
     QString dtDueTimeStr() const;
     /** returns an event's due date as a string formatted according to the
      users locale settings */
     QString dtDueDateStr(bool shortfmt=true) const;
     /** returns an event's due date and time as a string formatted according
      to the users locale settings */
     QString dtDueStr(bool shortfmt=true) const;
 
     /** returns TRUE or FALSE depending on whether the todo has a due date */
     bool hasDueDate() const;
     /** sets the event's hasDueDate value. */
     void setHasDueDate(bool f);
 
+    /*
+      Looks for a subtodo (including itself ) which is not complete and is
+      - overdue, or
+      - due today.
+      It returns 0 for nothing found,
+      1 for found a todo which is due today and no overdue found
+      2 for found a overdue todo
+    */
+    int hasDueSubTodo( bool checkSubtodos = true );
+    /* same as above, but a specific date can be specified*/
+    int hasDueSubTodoForDate( const  QDate & date, bool checkSubtodos );
+
  
     /** sets the event's status to the string specified.  The string
      * must be a recognized value for the status field, i.e. a string
      * equivalent of the possible status enumerations previously described. */
 //    void setStatus(const QString &statStr);
     /** sets the event's status to the value specified.  See the enumeration
      * above for possible values. */
 //    void setStatus(int);
     /** return the event's status. */
 //    int status() const;
     /** return the event's status in string format. */
 //    QString statusStr() const;
 
     /** return, if this todo is completed */
     bool isCompleted() const;
     /** set completed state of this todo */
     void setCompleted(bool);
     
     /**
       Return how many percent of the task are completed. Returns a value
       between 0 and 100.
     */
     int percentComplete() const;
     /**
       Set how many percent of the task are completed. Valid values are in the
       range from 0 to 100.
     */
     void setPercentComplete(int);
 
     /** return date and time when todo was completed */
     QDateTime completed() const;
     QString completedStr(bool shortF = true) const;
     /** set date and time of completion */
     void setCompleted(const QDateTime &completed);
 
     /** Return true, if todo has a date associated with completion */
     bool hasCompletedDate() const;
     bool contains ( Todo*);
     
   private:
     bool accept(Visitor &v) { return v.visit(this); }
 
     QDateTime mDtDue;                     // due date of todo
 
     bool mHasDueDate;                    // if todo has associated due date
 
 //    int  mStatus;                         // confirmed/delegated/tentative/etc
 
     QDateTime mCompleted;
     bool mHasCompletedDate;
 
     int mPercentComplete;
 };
 
     bool operator==( const Todo&, const Todo& );
 }
 
 #endif