1 files changed, 355 insertions, 0 deletions
diff --git a/korganizer/kotimelineview.cpp b/korganizer/kotimelineview.cpp
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+/*
+    This file is part of KOrganizer.
+
+    Copyright (c) 2007 Till Adam <adam@kde.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+
+#include <libkcal/calendar.h>
+#include <libkcal/calendarresources.h>
+
+#include <qlayout.h>
+
+#include <kdgantt/KDGanttViewTaskItem.h>
+#include <kdgantt/KDGanttViewSubwidgets.h>
+
+#include "koeventpopupmenu.h"
+#include "koglobals.h"
+#include "koprefs.h"
+#include "timelineitem.h"
+
+#include "kotimelineview.h"
+
+using namespace KOrg;
+using namespace KCal;
+
+KOTimelineView::KOTimelineView(Calendar *calendar, QWidget *parent,
+                                 const char *name)
+  : KOEventView(calendar, parent, name),
+  mEventPopup( 0 )
+{
+    QVBoxLayout* vbox = new QVBoxLayout(this);
+    mGantt = new KDGanttView(this);
+    mGantt->setCalendarMode( true );
+    mGantt->setShowLegendButton( false );
+    mGantt->setFixedHorizon( true );
+    mGantt->removeColumn( 0 );
+    mGantt->addColumn( i18n("Calendar") );
+    mGantt->setHeaderVisible( true );
+    if ( KGlobal::locale()->use12Clock() )
+      mGantt->setHourFormat( KDGanttView::Hour_12 );
+    else
+      mGantt->setHourFormat( KDGanttView::Hour_24_FourDigit );
+
+
+    vbox->addWidget( mGantt );
+
+    connect( mGantt, SIGNAL(gvCurrentChanged(KDGanttViewItem*)),
+             SLOT(itemSelected(KDGanttViewItem*)) );
+    connect( mGantt, SIGNAL(itemDoubleClicked(KDGanttViewItem*)),
+             SLOT(itemDoubleClicked(KDGanttViewItem*)) );
+    connect( mGantt, SIGNAL(itemRightClicked(KDGanttViewItem*)),
+             SLOT(itemRightClicked(KDGanttViewItem*)) );
+    connect( mGantt, SIGNAL(gvItemMoved(KDGanttViewItem*)),
+             SLOT(itemMoved(KDGanttViewItem*)) );
+    connect( mGantt, SIGNAL(rescaling(KDGanttView::Scale)),
+             SLOT(overscale(KDGanttView::Scale)) );
+    connect( mGantt, SIGNAL( dateTimeDoubleClicked( const QDateTime& ) ),
+             SLOT( newEventWithHint( const QDateTime& ) ) );
+}
+
+KOTimelineView::~KOTimelineView()
+{
+  delete mEventPopup;
+}
+
+/*virtual*/
+KCal::ListBase<KCal::Incidence> KOTimelineView::selectedIncidences()
+{
+    return KCal::ListBase<KCal::Incidence>();
+}
+
+/*virtual*/
+KCal::DateList KOTimelineView::selectedDates()
+{
+    return KCal::DateList();
+}
+
+/*virtual*/
+int KOTimelineView::currentDateCount()
+{
+    return 0;
+}
+
+/*virtual*/
+void KOTimelineView::showDates(const QDate& start, const QDate& end)
+{
+  mStartDate = start;
+  mEndDate = end;
+  mHintDate = QDateTime();
+  mGantt->setHorizonStart( QDateTime(start) );
+  mGantt->setHorizonEnd( QDateTime(end.addDays(1)) );
+  mGantt->setMinorScaleCount( 1 );
+  mGantt->setScale( KDGanttView::Hour );
+  mGantt->setMinimumScale( KDGanttView::Hour );
+  mGantt->setMaximumScale( KDGanttView::Hour );
+  mGantt->zoomToFit();
+
+  mGantt->setUpdateEnabled( false );
+  mGantt->clear();
+
+  // item for every calendar
+  TimelineItem *item = 0;
+  CalendarResources *calres = dynamic_cast<CalendarResources*>( calendar() );
+  if ( !calres ) {
+    item = new TimelineItem( i18n("Calendar"), mGantt );
+    mCalendarItemMap[0][QString()] = item;
+  } else {
+    CalendarResourceManager *manager = calres->resourceManager();
+    for ( CalendarResourceManager::ActiveIterator it = manager->activeBegin(); it != manager->activeEnd(); ++it ) {
+      QColor resourceColor = *KOPrefs::instance()->resourceColor( (*it)->identifier() );
+      if ( (*it)->canHaveSubresources() ) {
+        QStringList subResources = (*it)->subresources();
+        for ( QStringList::ConstIterator subit = subResources.constBegin(); subit != subResources.constEnd(); ++subit ) {
+          QString type = (*it)->subresourceType( *subit );
+          if ( !(*it)->subresourceActive( *subit ) || (!type.isEmpty() && type != "event") )
+            continue;
+          item = new TimelineItem( (*it)->labelForSubresource( *subit ), mGantt );
+          resourceColor = *KOPrefs::instance()->resourceColor( (*it)->identifier() );
+          QColor subrescol = *KOPrefs::instance()->resourceColor( *subit );
+          if ( subrescol.isValid() )
+            resourceColor = subrescol;
+          if ( resourceColor.isValid() )
+            item->setColors( resourceColor, resourceColor, resourceColor );
+          mCalendarItemMap[*it][*subit] = item;
+        }
+      } else {
+        item = new TimelineItem( (*it)->resourceName(), mGantt );
+        if ( resourceColor.isValid() )
+          item->setColors( resourceColor, resourceColor, resourceColor );
+        mCalendarItemMap[*it][QString()] = item;
+      }
+    }
+  }
+
+  // add incidences
+  Event::List events;
+  for ( QDate day = start; day <= end; day = day.addDays( 1 ) ) {
+    events = calendar()->events( day, EventSortStartDate, SortDirectionAscending );
+    for ( Event::List::ConstIterator it = events.constBegin(); it != events.constEnd(); ++it ) {
+      insertIncidence( *it, day );
+    }
+  }
+
+  mGantt->setUpdateEnabled( true );
+}
+
+/*virtual*/
+void KOTimelineView::showIncidences(const KCal::ListBase<KCal::Incidence>&)
+{
+}
+
+/*virtual*/
+void KOTimelineView::updateView()
+{
+  if ( mStartDate.isValid() && mEndDate.isValid() )
+    showDates( mStartDate, mEndDate );
+}
+
+/*virtual*/
+void KOTimelineView::changeIncidenceDisplay(KCal::Incidence* incidence, int mode)
+{
+  kdDebug() << k_funcinfo << incidence << " " << mode << endl;
+  switch ( mode ) {
+    case KOGlobals::INCIDENCEADDED:
+      insertIncidence( incidence );
+      break;
+    case KOGlobals::INCIDENCEEDITED:
+      removeIncidence( incidence );
+      insertIncidence( incidence );
+      break;
+    case KOGlobals::INCIDENCEDELETED:
+      removeIncidence( incidence );
+      break;
+    default:
+      updateView();
+  }
+}
+
+void KOTimelineView::itemSelected( KDGanttViewItem *item )
+{
+  TimelineSubItem *tlitem = dynamic_cast<TimelineSubItem*>( item );
+  if ( tlitem )
+    emit incidenceSelected( tlitem->incidence() );
+}
+
+void KOTimelineView::itemDoubleClicked( KDGanttViewItem *item )
+{
+  TimelineSubItem *tlitem = dynamic_cast<TimelineSubItem*>( item );
+  if ( tlitem )
+    emit editIncidenceSignal( tlitem->incidence() );
+}
+
+void KOTimelineView::itemRightClicked( KDGanttViewItem *item )
+{
+  mHintDate = mGantt->getDateTimeForCoordX( QCursor::pos().x(), true );
+  TimelineSubItem *tlitem = dynamic_cast<TimelineSubItem*>( item );
+  if ( !tlitem ) {
+    showNewEventPopup();
+    return;
+  }
+  if ( !mEventPopup )
+    mEventPopup = eventPopup();
+  mEventPopup->showIncidencePopup( tlitem->incidence(), QDate() );
+}
+
+bool KOTimelineView::eventDurationHint(QDateTime & startDt, QDateTime & endDt, bool & allDay)
+{
+  startDt = mHintDate;
+  endDt = mHintDate.addSecs( 2 * 60 * 60 );
+  allDay = false;
+  return mHintDate.isValid();
+}
+
+//slot
+void KOTimelineView::newEventWithHint( const QDateTime& dt )
+{
+  mHintDate = dt;
+  emit newEventSignal( dt );
+}
+
+TimelineItem * KOTimelineView::calendarItemForIncidence(KCal::Incidence * incidence)
+{
+  CalendarResources *calres = dynamic_cast<CalendarResources*>( calendar() );
+  TimelineItem *item = 0;
+  if ( !calres ) {
+    item = mCalendarItemMap[0][QString()];
+  } else {
+    ResourceCalendar *res = calres->resource( incidence );
+    if ( !res )
+      return 0;
+    if ( res->canHaveSubresources() ) {
+      QString subRes = res->subresourceIdentifier( incidence );
+      item = mCalendarItemMap[res][subRes];
+    } else {
+      item = mCalendarItemMap[res][QString()];
+    }
+  }
+  return item;
+}
+
+void KOTimelineView::insertIncidence(KCal::Incidence * incidence, const QDate &day )
+{
+  TimelineItem *item = calendarItemForIncidence( incidence );
+  if ( !item ) {
+    kdWarning() << k_funcinfo << "Help! Something is really wrong here!" << endl;
+    return;
+  }
+
+  if ( incidence->doesRecur() ) {
+    QValueList<QDateTime> l = incidence->startDateTimesForDate( day );
+    if ( l.isEmpty() ) {
+      // strange, but seems to happen for some recurring events...
+      item->insertIncidence( incidence, QDateTime( day, incidence->dtStart().time() ),
+                              QDateTime( day, incidence->dtEnd().time() ) );
+    } else {
+      for ( QValueList<QDateTime>::ConstIterator it = l.constBegin();
+            it != l.constEnd(); ++it ) {
+        item->insertIncidence( incidence, *it, incidence->endDateForStart( *it ) );
+      }
+    }
+  } else {
+    if ( incidence->dtStart().date() == day || incidence->dtStart().date() < mStartDate )
+      item->insertIncidence( incidence );
+  }
+}
+
+void KOTimelineView::insertIncidence(KCal::Incidence * incidence)
+{
+  KCal::Event *event = dynamic_cast<KCal::Event*>( incidence );
+  if ( !event )
+    return;
+  if ( incidence->doesRecur() )
+    insertIncidence( incidence, QDate() );
+  for ( QDate day = mStartDate; day <= mEndDate; day = day.addDays( 1 ) ) {
+    Event::List events = calendar()->events( day, EventSortStartDate, SortDirectionAscending );
+    for ( Event::List::ConstIterator it = events.constBegin(); it != events.constEnd(); ++it ) {
+      if ( events.contains( event ) )
+        insertIncidence( *it, day );
+    }
+  }
+}
+
+void KOTimelineView::removeIncidence(KCal::Incidence * incidence)
+{
+  TimelineItem *item = calendarItemForIncidence( incidence );
+  if ( item ) {
+    item->removeIncidence( incidence );
+  } else {
+    // try harder, the incidence might already be removed from the resource
+    typedef QMap<QString, KOrg::TimelineItem*> M2_t;
+    typedef QMap<KCal::ResourceCalendar*, M2_t> M1_t;
+    for ( M1_t::ConstIterator it1 = mCalendarItemMap.constBegin(); it1 != mCalendarItemMap.constEnd(); ++it1 ) {
+      for ( M2_t::ConstIterator it2 = it1.data().constBegin(); it2 != it1.data().constEnd(); ++it2 ) {
+        if ( it2.data() ) {
+          it2.data()->removeIncidence( incidence );
+        }
+      }
+    }
+  }
+}
+
+void KOTimelineView::itemMoved(KDGanttViewItem * item)
+{
+  TimelineSubItem *tlit = dynamic_cast<TimelineSubItem*>( item );
+  if ( !tlit )
+    return;
+  Incidence *i = tlit->incidence();
+  mChanger->beginChange( i );
+  QDateTime newStart = tlit->startTime();
+  if ( i->doesFloat() )
+    newStart = QDateTime( newStart.date() );
+  int delta = tlit->originalStart().secsTo( newStart );
+  i->setDtStart( i->dtStart().addSecs( delta ) );
+  int duration = tlit->startTime().secsTo( tlit->endTime() );
+  int allDayOffset = 0;
+  if ( i->doesFloat() ) {
+    duration /= (60*60*24);
+    duration *= (60*60*24);
+    allDayOffset = (60*60*24);
+    duration -= allDayOffset;
+    if ( duration < 0 ) duration = 0;
+  }
+  i->setDuration( duration );
+  TimelineItem *parent = static_cast<TimelineItem*>( tlit->parent() );
+  parent->moveItems( i, tlit->originalStart().secsTo( newStart ), duration + allDayOffset );
+  mChanger->endChange( i );
+}
+
+void KOTimelineView::overscale(KDGanttView::Scale scale)
+{
+  Q_UNUSED( scale );
+  mGantt->setZoomFactor( 1, false );
+  mGantt->setScale( KDGanttView::Hour );
+  mGantt->setMinorScaleCount( 12 );
+}
+
+#include "kotimelineview.moc"