1 files changed, 213 insertions, 0 deletions
diff --git a/libkdepim/calendardiffalgo.cpp b/libkdepim/calendardiffalgo.cpp
new file mode 100644
index 000000000..4550ef3b3
--- /dev/null
+++ b/libkdepim/calendardiffalgo.cpp
@@ -0,0 +1,213 @@
+/*
+    This file is part of libkdepim.
+
+    Copyright (c) 2004 Tobias Koenig <tokoe@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., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <klocale.h>
+
+#include "calendardiffalgo.h"
+
+using namespace KPIM;
+
+#ifndef KDE_USE_FINAL
+static bool compareString( const QString &left, const QString &right )
+{
+  if ( left.isEmpty() && right.isEmpty() )
+    return true;
+  else
+    return left == right;
+}
+#endif
+
+static QString toString( KCal::Attendee *attendee )
+{
+  return attendee->name() + "<" + attendee->email() + ">";
+}
+
+static QString toString( KCal::Alarm * )
+{
+  return QString::null;
+}
+
+static QString toString( KCal::Incidence * )
+{
+  return QString::null;
+}
+
+static QString toString( KCal::Attachment * )
+{
+  return QString::null;
+}
+
+static QString toString( const QDate &date )
+{
+  return date.toString();
+}
+
+static QString toString( const QDateTime &dateTime )
+{
+  return dateTime.toString();
+}
+
+static QString toString( const QString str )
+{
+  return str;
+}
+
+static QString toString( bool value )
+{
+  if ( value )
+    return i18n( "Yes" );
+  else
+    return i18n( "No" );
+}
+
+CalendarDiffAlgo::CalendarDiffAlgo( KCal::Incidence *leftIncidence,
+                                    KCal::Incidence *rightIncidence )
+  : mLeftIncidence( leftIncidence ), mRightIncidence( rightIncidence )
+{
+}
+
+void CalendarDiffAlgo::run()
+{
+  begin();
+
+  diffIncidenceBase( mLeftIncidence, mRightIncidence );
+  diffIncidence( mLeftIncidence, mRightIncidence );
+
+  KCal::Event *leftEvent = dynamic_cast<KCal::Event*>( mLeftIncidence );
+  KCal::Event *rightEvent = dynamic_cast<KCal::Event*>( mRightIncidence );
+  if ( leftEvent && rightEvent ) {
+    diffEvent( leftEvent, rightEvent );
+  } else {
+    KCal::Todo *leftTodo = dynamic_cast<KCal::Todo*>( mLeftIncidence );
+    KCal::Todo *rightTodo = dynamic_cast<KCal::Todo*>( mRightIncidence );
+    if ( leftTodo && rightTodo ) {
+      diffTodo( leftTodo, rightTodo );
+    }
+  }
+
+  end();
+}
+
+void CalendarDiffAlgo::diffIncidenceBase( KCal::IncidenceBase *left, KCal::IncidenceBase *right )
+{
+  diffList( i18n( "Attendees" ), left->attendees(), right->attendees() );
+
+  if ( left->dtStart() != right->dtStart() )
+    conflictField( i18n( "Start time" ), left->dtStartStr(), right->dtStartStr() );
+
+  if ( !compareString( left->organizer().fullName(), right->organizer().fullName() ) )
+    conflictField( i18n( "Organizer" ), left->organizer().fullName(), right->organizer().fullName() );
+
+  if ( !compareString( left->uid(), right->uid() ) )
+    conflictField( i18n( "UID" ), left->uid(), right->uid() );
+
+  if ( left->doesFloat() != right->doesFloat() )
+    conflictField( i18n( "Is floating" ), toString( left->doesFloat() ), toString( right->doesFloat() ) );
+
+  if ( left->hasDuration() != right->hasDuration() )
+    conflictField( i18n( "Has duration" ), toString( left->hasDuration() ), toString( right->hasDuration() ) );
+
+  if ( left->duration() != right->duration() )
+    conflictField( i18n( "Duration" ), QString::number( left->duration() ), QString::number( right->duration() ) );
+}
+
+void CalendarDiffAlgo::diffIncidence( KCal::Incidence *left, KCal::Incidence *right )
+{
+  if ( !compareString( left->description(), right->description() ) )
+    conflictField( i18n( "Description" ), left->description(), right->description() );
+
+  if ( !compareString( left->summary(), right->summary() ) )
+    conflictField( i18n( "Summary" ), left->summary(), right->summary() );
+
+  if ( left->status() != right->status() )
+    conflictField( i18n( "Status" ), left->statusStr(), right->statusStr() );
+
+  if ( left->secrecy() != right->secrecy() )
+    conflictField( i18n( "Secrecy" ), toString( left->secrecy() ), toString( right->secrecy() ) );
+
+  if ( left->priority() != right->priority() )
+    conflictField( i18n( "Priority" ), toString( left->priority() ), toString( right->priority() ) );
+
+  if ( !compareString( left->location(), right->location() ) )
+    conflictField( i18n( "Location" ), left->location(), right->location() );
+  
+  diffList( i18n( "Categories" ), left->categories(), right->categories() );
+  diffList( i18n( "Alarms" ), left->alarms(), right->alarms() );
+  diffList( i18n( "Resources" ), left->resources(), right->resources() );
+  diffList( i18n( "Relations" ), left->relations(), right->relations() );
+  diffList( i18n( "Attachments" ), left->attachments(), right->attachments() );
+  diffList( i18n( "Exception Dates" ), left->recurrence()->exDates(), right->recurrence()->exDates() );
+  diffList( i18n( "Exception Times" ), left->recurrence()->exDateTimes(), right->recurrence()->exDateTimes() );
+	// TODO: recurrence dates and date/times, exrules, rrules
+
+  if ( left->created() != right->created() )
+    conflictField( i18n( "Created" ), left->created().toString(), right->created().toString() );
+
+  if ( !compareString( left->relatedToUid(), right->relatedToUid() ) )
+    conflictField( i18n( "Related Uid" ), left->relatedToUid(), right->relatedToUid() );
+}
+
+void CalendarDiffAlgo::diffEvent( KCal::Event *left, KCal::Event *right )
+{
+  if ( left->hasEndDate() != right->hasEndDate() )
+    conflictField( i18n( "Has End Date" ), toString( left->hasEndDate() ), toString( right->hasEndDate() ) );
+
+  if ( left->dtEnd() != right->dtEnd() )
+    conflictField( i18n( "End Date" ), left->dtEndStr(), right->dtEndStr() );
+
+  // TODO: check transparency
+}
+
+void CalendarDiffAlgo::diffTodo( KCal::Todo *left, KCal::Todo *right )
+{
+  if ( left->hasStartDate() != right->hasStartDate() )
+    conflictField( i18n( "Has Start Date" ), toString( left->hasStartDate() ), toString( right->hasStartDate() ) );
+
+  if ( left->hasDueDate() != right->hasDueDate() )
+    conflictField( i18n( "Has Due Date" ), toString( left->hasDueDate() ), toString( right->hasDueDate() ) );
+
+  if ( left->dtDue() != right->dtDue() )
+    conflictField( i18n( "Due Date" ), left->dtDue().toString(), right->dtDue().toString() );
+
+  if ( left->hasCompletedDate() != right->hasCompletedDate() )
+    conflictField( i18n( "Has Complete Date" ), toString( left->hasCompletedDate() ), toString( right->hasCompletedDate() ) );
+
+  if ( left->percentComplete() != right->percentComplete() )
+    conflictField( i18n( "Complete" ), QString::number( left->percentComplete() ), QString::number( right->percentComplete() ) );
+
+  if ( left->completed() != right->completed() )
+    conflictField( i18n( "Completed" ), toString( left->completed() ), toString( right->completed() ) );
+}
+
+template <class L>
+void CalendarDiffAlgo::diffList( const QString &id,
+                                 const QValueList<L> &left, const QValueList<L> &right )
+{
+  for ( uint i = 0; i < left.count(); ++i ) {
+    if ( right.find( left[ i ] ) == right.end() )
+      additionalLeftField( id, toString( left[ i ] ) );
+  }
+
+  for ( uint i = 0; i < right.count(); ++i ) {
+    if ( left.find( right[ i ] ) == left.end() )
+      additionalRightField( id, toString( right[ i ] ) );
+  }
+}