Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1121 insertions, 0 deletions

diff --git a/korganizer/kotodoview.cpp b/korganizer/kotodoview.cpp
new file mode 100644
index 00000000..f43ca2f6
--- /dev/null
+++ b/korganizer/kotodoview.cpp
@@ -0,0 +1,1121 @@
+/*
+    This file is part of KOrganizer.
+
+    Copyright (c) 2000,2001,2003 Cornelius Schumacher <schumacher@kde.org>
+    Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
+
+    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 <qlayout.h>
+#include <qheader.h>
+#include <qcursor.h>
+#include <qlabel.h>
+#include <qtimer.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kglobal.h>
+#include <kiconloader.h>
+#include <kmessagebox.h>
+
+#include <libkcal/icaldrag.h>
+#include <libkcal/vcaldrag.h>
+#include <libkcal/dndfactory.h>
+#include <libkcal/calendarresources.h>
+#include <libkcal/resourcecalendar.h>
+#include <libkcal/calfilter.h>
+#include <libkcal/incidenceformatter.h>
+
+#include <libkdepim/clicklineedit.h>
+#include <libkdepim/kdatepickerpopup.h>
+
+#include <libemailfunctions/email.h>
+
+#include "docprefs.h"
+
+#include "koincidencetooltip.h"
+#include "kodialogmanager.h"
+#include "kotodoview.h"
+#include "koprefs.h"
+#include "koglobals.h"
+using namespace KOrg;
+#include "kotodoviewitem.h"
+#include "kotodoview.moc"
+#ifndef KORG_NOPRINTER
+#include "kocorehelper.h"
+#include "calprinter.h"
+#endif
+
+KOTodoListViewToolTip::KOTodoListViewToolTip (QWidget* parent,
+                                              KOTodoListView* lv )
+  :QToolTip(parent)
+{
+  todolist=lv;
+}
+
+void KOTodoListViewToolTip::maybeTip( const QPoint & pos)
+{
+  QRect r;
+  int headerPos;
+  int col=todolist->header()->sectionAt(todolist->contentsX() + pos.x());
+  KOTodoViewItem *i=(KOTodoViewItem *)todolist->itemAt(pos);
+
+  /* Check wether a tooltip is necessary. */
+  if( i && KOPrefs::instance()->mEnableToolTips )
+  {
+
+    /* Calculate the rectangle. */
+    r=todolist->itemRect(i);
+    headerPos = todolist->header()->sectionPos(col)-todolist->contentsX();
+    r.setLeft( (headerPos < 0 ? 0 : headerPos) );
+    r.setRight(headerPos + todolist->header()->sectionSize(col));
+
+    /* Show the tip */
+    QString tipText( IncidenceFormatter::toolTipString( i->todo() ) );;
+    if ( !tipText.isEmpty() ) {
+      tip(r, tipText);
+    }
+  }
+
+}
+
+
+
+KOTodoListView::KOTodoListView( QWidget *parent, const char *name )
+  : KListView( parent, name ), mCalendar( 0 ), mChanger( 0 )
+{
+  mOldCurrent = 0;
+  mMousePressed = false;
+
+  /* Create a Tooltip */
+  tooltip = new KOTodoListViewToolTip( viewport(), this );
+}
+
+KOTodoListView::~KOTodoListView()
+{
+  delete tooltip;
+}
+
+void KOTodoListView::setCalendar( Calendar *cal )
+{
+  mCalendar = cal;
+  setAcceptDrops( mCalendar );
+  viewport()->setAcceptDrops( mCalendar );
+}
+
+bool KOTodoListView::event(QEvent *e)
+{
+  int tmp=0;
+  KOTodoViewItem *i;
+
+  /* Checks for an ApplicationPaletteChange event and updates
+   * the small Progress bars to make therm have the right colors. */
+  if(e->type()==QEvent::ApplicationPaletteChange)
+  {
+
+    KListView::event(e);
+    i=(KOTodoViewItem *)itemAtIndex(tmp);
+
+    while(i!=0)
+    {
+      i->construct();
+      tmp++;
+      i=(KOTodoViewItem *)itemAtIndex(tmp);
+    }
+
+  }
+
+  return (KListView::event(e) || e->type()==QEvent::ApplicationPaletteChange);
+}
+
+void KOTodoListView::contentsDragEnterEvent(QDragEnterEvent *e)
+{
+#ifndef KORG_NODND
+//  kdDebug(5850) << "KOTodoListView::contentsDragEnterEvent" << endl;
+  if ( !ICalDrag::canDecode( e ) && !VCalDrag::canDecode( e ) &&
+       !QTextDrag::canDecode( e ) ) {
+    e->ignore();
+    return;
+  }
+
+  mOldCurrent = currentItem();
+#endif
+}
+
+void KOTodoListView::contentsDragMoveEvent(QDragMoveEvent *e)
+{
+#ifndef KORG_NODND
+//  kdDebug(5850) << "KOTodoListView::contentsDragMoveEvent" << endl;
+
+  if ( !ICalDrag::canDecode( e ) && !VCalDrag::canDecode( e ) &&
+       !QTextDrag::canDecode( e ) ) {
+    e->ignore();
+    return;
+  }
+
+  e->accept();
+#endif
+}
+
+void KOTodoListView::contentsDragLeaveEvent( QDragLeaveEvent * )
+{
+#ifndef KORG_NODND
+//  kdDebug(5850) << "KOTodoListView::contentsDragLeaveEvent" << endl;
+
+  setCurrentItem(mOldCurrent);
+  setSelected(mOldCurrent,true);
+#endif
+}
+
+void KOTodoListView::contentsDropEvent( QDropEvent *e )
+{
+#ifndef KORG_NODND
+  kdDebug(5850) << "KOTodoListView::contentsDropEvent" << endl;
+
+  if ( !mCalendar || !mChanger ||
+       ( !ICalDrag::canDecode( e ) && !VCalDrag::canDecode( e ) &&
+         !QTextDrag::canDecode( e ) ) ) {
+    e->ignore();
+    return;
+  }
+
+  DndFactory factory( mCalendar );
+  Todo *todo = factory.createDropTodo(e);
+
+  if ( todo ) {
+    e->acceptAction();
+
+    KOTodoViewItem *destination =
+        (KOTodoViewItem *)itemAt(contentsToViewport(e->pos()));
+    Todo *destinationEvent = 0;
+    if (destination) destinationEvent = destination->todo();
+
+    Todo *existingTodo = mCalendar->todo(todo->uid());
+
+    if( existingTodo ) {
+       kdDebug(5850) << "Drop existing Todo " << existingTodo << " onto " << destinationEvent << endl;
+      Incidence *to = destinationEvent;
+      while(to) {
+        if (to->uid() == todo->uid()) {
+          KMessageBox::information(this,
+              i18n("Cannot move to-do to itself or a child of itself."),
+              i18n("Drop To-do"), "NoDropTodoOntoItself" );
+          delete todo;
+          return;
+        }
+        to = to->relatedTo();
+      }
+      Todo*oldTodo = existingTodo->clone();
+      if ( mChanger->beginChange( existingTodo ) ) {
+        existingTodo->setRelatedTo( destinationEvent );
+        mChanger->changeIncidence( oldTodo, existingTodo, KOGlobals::RELATION_MODIFIED );
+        mChanger->endChange( existingTodo );
+      } else {
+        KMessageBox::sorry( this, i18n("Unable to change to-do's parent, "
+                            "because the to-do cannot be locked.") );
+      }
+      delete oldTodo;
+      delete todo;
+    } else {
+//      kdDebug(5850) << "Drop new Todo" << endl;
+      todo->setRelatedTo(destinationEvent);
+      if ( !mChanger->addIncidence( todo, this ) ) {
+        KODialogManager::errorSaveIncidence( this, todo );
+        delete todo;
+        return;
+      }
+    }
+  }
+  else {
+    QString text;
+    KOTodoViewItem *todoi = dynamic_cast<KOTodoViewItem *>(itemAt( contentsToViewport(e->pos()) ));
+    if ( ! todoi ) {
+      // Not dropped on a todo item:
+      e->ignore();
+      kdDebug( 5850 ) << "KOTodoListView::contentsDropEvent(): Not dropped on a todo item" << endl;
+      kdDebug( 5850 ) << "TODO: Create a new todo with the given data" << endl;
+      // FIXME: Create a new todo with the given text/contact/whatever
+    } else if ( QTextDrag::decode(e, text) ) {
+      //QListViewItem *qlvi = itemAt( contentsToViewport(e->pos()) );
+      kdDebug(5850) << "Dropped : " << text << endl;
+      Todo*todo = todoi->todo();
+      if( mChanger->beginChange( todo ) ) {
+        Todo*oldtodo = todo->clone();
+
+        if( text.startsWith( "file:" ) ) {
+          todo->addAttachment( new Attachment( text ) );
+        } else {
+          QStringList emails = KPIM::splitEmailAddrList( text );
+          for(QStringList::ConstIterator it = emails.begin();it!=emails.end();++it) {
+            kdDebug(5850) << " Email: " << (*it) << endl;
+            int pos = (*it).find("<");
+            QString name = (*it).left(pos);
+            QString email = (*it).mid(pos);
+            if (!email.isEmpty() && todoi) {
+              todo->addAttendee( new Attendee( name, email ) );
+            }
+          }
+        }
+        mChanger->changeIncidence( oldtodo, todo );
+        mChanger->endChange( todo );
+      } else {
+        KMessageBox::sorry( this, i18n("Unable to add attendees to the to-do, "
+            "because the to-do cannot be locked.") );
+      }
+    }
+    else {
+      kdDebug(5850) << "KOTodoListView::contentsDropEvent(): Todo from drop not decodable" << endl;
+      e->ignore();
+    }
+  }
+#endif
+}
+
+void KOTodoListView::contentsMousePressEvent(QMouseEvent* e)
+{
+  QListView::contentsMousePressEvent(e);
+  QPoint p(contentsToViewport(e->pos()));
+  QListViewItem *i = itemAt(p);
+  if (i) {
+    // if the user clicked into the root decoration of the item, don't
+    // try to start a drag!
+    if (p.x() > header()->sectionPos(header()->mapToIndex(0)) +
+        treeStepSize() * (i->depth() + (rootIsDecorated() ? 1 : 0)) +
+        itemMargin() ||
+        p.x() < header()->sectionPos(header()->mapToIndex(0))) {
+      if (e->button()==Qt::LeftButton) {
+        mPressPos = e->pos();
+        mMousePressed = true;
+      }
+    }
+  }
+}
+
+void KOTodoListView::contentsMouseMoveEvent(QMouseEvent* e)
+{
+#ifndef KORG_NODND
+//  kdDebug(5850) << "KOTodoListView::contentsMouseMoveEvent()" << endl;
+  QListView::contentsMouseMoveEvent(e);
+  if (mMousePressed && (mPressPos - e->pos()).manhattanLength() >
+      QApplication::startDragDistance()) {
+    mMousePressed = false;
+    QListViewItem *item = itemAt(contentsToViewport(mPressPos));
+    if ( item && mCalendar ) {
+//      kdDebug(5850) << "Start Drag for item " << item->text(0) << endl;
+      DndFactory factory( mCalendar );
+      ICalDrag *vd = factory.createDrag(
+                          ((KOTodoViewItem *)item)->todo(),viewport());
+      if (vd->drag()) {
+        kdDebug(5850) << "KOTodoListView::contentsMouseMoveEvent(): Delete drag source" << endl;
+      }
+/*
+      QString source = fullPath(item);
+      if ( QFile::exists(source) ) {
+        KURL url;
+        url.setPath(source);
+        KURLDrag* ud = KURLDrag::newDrag(KURL::List(url), viewport());
+        if ( ud->drag() )
+          QMessageBox::information( this, "Drag source",
+                                    QString("Delete ")+source, "Not implemented" );
+*/
+    }
+  }
+#endif
+}
+
+void KOTodoListView::contentsMouseReleaseEvent(QMouseEvent *e)
+{
+  QListView::contentsMouseReleaseEvent(e);
+  mMousePressed = false;
+}
+
+void KOTodoListView::contentsMouseDoubleClickEvent(QMouseEvent *e)
+{
+  if (!e) return;
+
+  QPoint vp = contentsToViewport(e->pos());
+
+  QListViewItem *item = itemAt(vp);
+
+  if (!item) return;
+
+  emit doubleClicked(item,vp,0);
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+KOTodoView::KOTodoView( Calendar *calendar, QWidget *parent, const char* name)
+  : KOrg::BaseView( calendar, parent, name )
+{
+  QBoxLayout *topLayout = new QVBoxLayout( this );
+
+  QLabel *title = new QLabel( i18n("To-dos:"), this );
+  title->setFrameStyle( QFrame::Panel | QFrame::Raised );
+  topLayout->addWidget( title );
+
+  mQuickAdd = new KPIM::ClickLineEdit( this, i18n( "Click to add a new to-do" ) );
+  mQuickAdd->setAcceptDrops( false );
+  topLayout->addWidget( mQuickAdd );
+
+  if ( !KOPrefs::instance()->mEnableQuickTodo ) mQuickAdd->hide();
+
+  mTodoListView = new KOTodoListView( this );
+  topLayout->addWidget( mTodoListView );
+
+  mTodoListView->setRootIsDecorated( true );
+  mTodoListView->setAllColumnsShowFocus( true );
+
+  mTodoListView->setShowSortIndicator( true );
+
+  mTodoListView->addColumn( i18n("Summary") );
+  mTodoListView->addColumn( i18n("Recurs") );
+  mTodoListView->addColumn( i18n("Priority") );
+  mTodoListView->setColumnAlignment( ePriorityColumn, AlignHCenter );
+  mTodoListView->addColumn( i18n("Complete") );
+  mTodoListView->setColumnAlignment( ePercentColumn, AlignRight );
+  mTodoListView->addColumn( i18n("Due Date/Time") );
+  mTodoListView->setColumnAlignment( eDueDateColumn, AlignLeft );
+  mTodoListView->addColumn( i18n("Categories") );
+#if 0
+  mTodoListView->addColumn( i18n("Sort Id") );
+  mTodoListView->setColumnAlignment( 4, AlignHCenter );
+#endif
+
+  mTodoListView->setMinimumHeight( 60 );
+  mTodoListView->setItemsRenameable( true );
+  mTodoListView->setRenameable( 0 );
+
+  mTodoListView->setColumnWidthMode( eSummaryColumn, QListView::Manual );
+  mTodoListView->setColumnWidthMode( eRecurColumn, QListView::Manual );
+  mTodoListView->setColumnWidthMode( ePriorityColumn, QListView::Manual );
+  mTodoListView->setColumnWidthMode( ePercentColumn, QListView::Manual );
+  mTodoListView->setColumnWidthMode( eDueDateColumn, QListView::Manual );
+  mTodoListView->setColumnWidthMode( eCategoriesColumn, QListView::Manual );
+#if 0
+  mTodoListView->setColumnWidthMode( eDescriptionColumn, QListView::Manual );
+#endif
+
+  mPriorityPopupMenu = new QPopupMenu( this );
+  mPriority[ mPriorityPopupMenu->insertItem( i18n("Unspecified priority", "unspecified") ) ] = 0;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "1 (highest)") ) ] = 1;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "2" ) ) ] = 2;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "3" ) ) ] = 3;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "4" ) ) ] = 4;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "5 (medium)" ) ) ] = 5;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "6" ) ) ] = 6;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "7" ) ) ] = 7;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "8" ) ) ] = 8;
+  mPriority[ mPriorityPopupMenu->insertItem( i18n( "9 (lowest)" ) ) ] = 9;
+  connect( mPriorityPopupMenu, SIGNAL( activated( int ) ),
+           SLOT( setNewPriority( int ) ));
+
+  mPercentageCompletedPopupMenu = new QPopupMenu(this);
+  for (int i = 0; i <= 100; i+=10) {
+    QString label = QString ("%1 %").arg (i);
+    mPercentage[mPercentageCompletedPopupMenu->insertItem (label)] = i;
+  }
+  connect( mPercentageCompletedPopupMenu, SIGNAL( activated( int ) ),
+           SLOT( setNewPercentage( int ) ) );
+
+  mMovePopupMenu = new KDatePickerPopup(
+                             KDatePickerPopup::NoDate |
+                             KDatePickerPopup::DatePicker |
+                             KDatePickerPopup::Words );
+  mCopyPopupMenu = new KDatePickerPopup(
+                             KDatePickerPopup::NoDate |
+                             KDatePickerPopup::DatePicker |
+                             KDatePickerPopup::Words );
+
+
+  connect( mMovePopupMenu, SIGNAL( dateChanged( QDate )),
+           SLOT( setNewDate( QDate ) ) );
+  connect( mCopyPopupMenu, SIGNAL( dateChanged( QDate )),
+           SLOT( copyTodoToDate( QDate ) ) );
+
+  mItemPopupMenu = new QPopupMenu(this);
+  mItemPopupMenu->insertItem(i18n("&Show"), this,
+                             SLOT (showTodo()));
+  mItemPopupMenu->insertItem(i18n("&Edit..."), this,
+                             SLOT (editTodo()), 0, ePopupEdit );
+#ifndef KORG_NOPRINTER
+  mItemPopupMenu->insertItem(KOGlobals::self()->smallIcon("printer1"), i18n("&Print..."), this, SLOT( printTodo() ) );
+#endif
+  mItemPopupMenu->insertItem(KOGlobals::self()->smallIconSet("editdelete"), i18n("&Delete"), this,
+                             SLOT (deleteTodo()), 0, ePopupDelete );
+  mItemPopupMenu->insertSeparator();
+  mItemPopupMenu->insertItem(KOGlobals::self()->smallIconSet("todo"), i18n("New &To-do..."), this,
+                             SLOT (newTodo()));
+  mItemPopupMenu->insertItem(i18n("New Su&b-to-do..."), this,
+                             SLOT (newSubTodo()));
+  mItemPopupMenu->insertItem( i18n("&Make this To-do Independent"), this,
+      SIGNAL( unSubTodoSignal() ), 0, ePopupUnSubTodo );
+  mItemPopupMenu->insertItem( i18n("Make all Sub-to-dos &Independent"), this,
+      SIGNAL( unAllSubTodoSignal() ), 0, ePopupUnAllSubTodo );
+  mItemPopupMenu->insertSeparator();
+  mItemPopupMenu->insertItem( i18n("&Copy To"), mCopyPopupMenu, ePopupCopyTo );
+  mItemPopupMenu->insertItem(i18n("&Move To"), mMovePopupMenu, ePopupMoveTo );
+  mItemPopupMenu->insertSeparator();
+  mItemPopupMenu->insertItem(i18n("delete completed to-dos","Pur&ge Completed"),
+                             this, SLOT( purgeCompleted() ) );
+
+  connect( mMovePopupMenu, SIGNAL( dateChanged( QDate ) ),
+           mItemPopupMenu, SLOT( hide() ) );
+  connect( mCopyPopupMenu, SIGNAL( dateChanged( QDate ) ),
+           mItemPopupMenu, SLOT( hide() ) );
+
+  mPopupMenu = new QPopupMenu(this);
+  mPopupMenu->insertItem(KOGlobals::self()->smallIconSet("todo"), i18n("&New To-do..."), this,
+                         SLOT (newTodo()));
+  mPopupMenu->insertItem(i18n("delete completed to-dos","&Purge Completed"),
+                         this, SLOT(purgeCompleted()));
+
+  mDocPrefs = new DocPrefs( name );
+
+  // Double clicking conflicts with opening/closing the subtree
+  connect( mTodoListView, SIGNAL( doubleClicked( QListViewItem *,
+                                                 const QPoint &, int ) ),
+           SLOT( editItem( QListViewItem *, const QPoint &, int ) ) );
+  connect( mTodoListView, SIGNAL( returnPressed( QListViewItem * ) ),
+           SLOT( editItem( QListViewItem * ) ) );
+  connect( mTodoListView, SIGNAL( contextMenuRequested( QListViewItem *,
+                                                        const QPoint &, int ) ),
+           SLOT( popupMenu( QListViewItem *, const QPoint &, int ) ) );
+  connect( mTodoListView, SIGNAL( expanded( QListViewItem * ) ),
+           SLOT( itemStateChanged( QListViewItem * ) ) );
+  connect( mTodoListView, SIGNAL( collapsed( QListViewItem * ) ),
+           SLOT( itemStateChanged( QListViewItem * ) ) );
+
+#if 0
+  connect(mTodoListView,SIGNAL(selectionChanged(QListViewItem *)),
+          SLOT(selectionChanged(QListViewItem *)));
+  connect(mTodoListView,SIGNAL(clicked(QListViewItem *)),
+          SLOT(selectionChanged(QListViewItem *)));
+  connect(mTodoListView,SIGNAL(pressed(QListViewItem *)),
+          SLOT(selectionChanged(QListViewItem *)));
+#endif
+  connect( mTodoListView, SIGNAL(selectionChanged() ),
+           SLOT( processSelectionChange() ) );
+  connect( mQuickAdd, SIGNAL( returnPressed () ),
+           SLOT( addQuickTodo() ) );
+}
+
+KOTodoView::~KOTodoView()
+{
+  delete mDocPrefs;
+}
+
+void KOTodoView::setCalendar( Calendar *cal )
+{
+  BaseView::setCalendar( cal );
+  mTodoListView->setCalendar( cal );
+}
+
+void KOTodoView::updateView()
+{
+//  kdDebug(5850) << "KOTodoView::updateView()" << endl;
+  int oldPos = mTodoListView->contentsY();
+  mItemsToDelete.clear();
+  mTodoListView->clear();
+
+  Todo::List todoList = calendar()->todos();
+
+/*
+  kdDebug(5850) << "KOTodoView::updateView(): Todo List:" << endl;
+  Event *t;
+  for(t = todoList.first(); t; t = todoList.next()) {
+    kdDebug(5850) << "  " << t->getSummary() << endl;
+
+    if (t->getRelatedTo()) {
+      kdDebug(5850) << "      (related to " << t->getRelatedTo()->getSummary() << ")" << endl;
+    }
+
+    QPtrList<Event> l = t->getRelations();
+    Event *c;
+    for(c=l.first();c;c=l.next()) {
+      kdDebug(5850) << "    - relation: " << c->getSummary() << endl;
+    }
+  }
+*/
+
+  // Put for each Event a KOTodoViewItem in the list view. Don't rely on a
+  // specific order of events. That means that we have to generate parent items
+  // recursively for proper hierarchical display of Todos.
+  mTodoMap.clear();
+  Todo::List::ConstIterator it;
+  for( it = todoList.begin(); it != todoList.end(); ++it ) {
+    if ( !mTodoMap.contains( *it ) ) {
+      insertTodoItem( *it );
+    }
+  }
+
+  // Restore opened/closed state
+  mTodoListView->blockSignals( true );
+  if( mDocPrefs ) restoreItemState( mTodoListView->firstChild() );
+  mTodoListView->blockSignals( false );
+
+  mTodoListView->setContentsPos( 0, oldPos );
+
+  processSelectionChange();
+}
+
+void KOTodoView::restoreItemState( QListViewItem *item )
+{
+  while( item ) {
+    KOTodoViewItem *todoItem = (KOTodoViewItem *)item;
+    todoItem->setOpen( mDocPrefs->readBoolEntry( todoItem->todo()->uid() ) );
+    if( item->childCount() > 0 ) restoreItemState( item->firstChild() );
+    item = item->nextSibling();
+  }
+}
+
+
+QMap<Todo *,KOTodoViewItem *>::ConstIterator
+  KOTodoView::insertTodoItem(Todo *todo)
+{
+//  kdDebug(5850) << "KOTodoView::insertTodoItem(): " << todo->getSummary() << endl;
+  Incidence *incidence = todo->relatedTo();
+  if (incidence && incidence->type() == "Todo") {
+    // Use dynamic_cast, because in the future the related item might also be an event
+    Todo *relatedTodo = dynamic_cast<Todo *>(incidence);
+
+    // just make sure we know we have this item already to avoid endless recursion (Bug 101696)
+    mTodoMap.insert(todo,0);
+
+//    kdDebug(5850) << "  has Related" << endl;
+    QMap<Todo *,KOTodoViewItem *>::ConstIterator itemIterator;
+    itemIterator = mTodoMap.find(relatedTodo);
+    if (itemIterator == mTodoMap.end()) {
+//      kdDebug(5850) << "    related not yet in list" << endl;
+      itemIterator = insertTodoItem (relatedTodo);
+    }
+    // isn't this pretty stupid? We give one Todo  to the KOTodoViewItem
+    // and one into the map. Sure finding is more easy but why? -zecke
+    KOTodoViewItem *todoItem;
+
+    // in case we found a related parent, which has no KOTodoViewItem yet, this must
+    // be the case where 2 items refer to each other, therefore simply create item as root item
+    if ( *itemIterator == 0 ) {
+      todo->setRelatedTo(0);  // break the recursion, else we will have troubles later
+      todoItem = new KOTodoViewItem(mTodoListView,todo,this);
+    }
+    else
+      todoItem = new KOTodoViewItem(*itemIterator,todo,this);
+
+    return mTodoMap.insert(todo,todoItem);
+  } else {
+//    kdDebug(5850) << "  no Related" << endl;
+      // see above -zecke
+    KOTodoViewItem *todoItem = new KOTodoViewItem(mTodoListView,todo,this);
+    return mTodoMap.insert(todo,todoItem);
+  }
+}
+
+void KOTodoView::removeTodoItems()
+{
+  KOTodoViewItem *item;
+  for ( item = mItemsToDelete.first(); item; item = mItemsToDelete.next() ) {
+    Todo *todo = item->todo();
+    if ( todo && mTodoMap.contains( todo ) ) {
+      mTodoMap.remove( todo );
+    }
+    delete item;
+  }
+  mItemsToDelete.clear();
+}
+
+
+bool KOTodoView::scheduleRemoveTodoItem( KOTodoViewItem *todoItem )
+{
+  if ( todoItem ) {
+    mItemsToDelete.append( todoItem );
+    QTimer::singleShot( 0, this, SLOT( removeTodoItems() ) );
+    return true;
+  } else
+    return false;
+}
+
+void KOTodoView::updateConfig()
+{
+  mTodoListView->repaintContents();
+}
+
+Incidence::List KOTodoView::selectedIncidences()
+{
+  Incidence::List selected;
+
+  KOTodoViewItem *item = (KOTodoViewItem *)(mTodoListView->selectedItem());
+//  if (!item) item = mActiveItem;
+  if (item) selected.append(item->todo());
+
+  return selected;
+}
+
+Todo::List KOTodoView::selectedTodos()
+{
+  Todo::List selected;
+
+  KOTodoViewItem *item = (KOTodoViewItem *)(mTodoListView->selectedItem());
+//  if (!item) item = mActiveItem;
+  if (item) selected.append(item->todo());
+
+  return selected;
+}
+
+void KOTodoView::changeIncidenceDisplay(Incidence *incidence, int action)
+{
+  // The todo view only displays todos, so exit on all other incidences
+  if ( incidence->type() != "Todo" )
+    return;
+  CalFilter *filter = calendar()->filter();
+  bool isFiltered = filter && !filter->filterIncidence( incidence );
+  Todo *todo = static_cast<Todo *>(incidence);
+  if ( todo ) {
+    KOTodoViewItem *todoItem = 0;
+    if ( mTodoMap.contains( todo ) ) {
+      todoItem = mTodoMap[todo];
+    }
+    switch ( action ) {
+      case KOGlobals::INCIDENCEADDED:
+      case KOGlobals::INCIDENCEEDITED:
+        // If it's already there, edit it, otherwise just add
+        if ( todoItem ) {
+          if ( isFiltered ) {
+            scheduleRemoveTodoItem( todoItem );
+          } else {
+            // correctly update changes in relations
+            Todo*parent = dynamic_cast<Todo*>( todo->relatedTo() );
+            KOTodoViewItem*parentItem = 0;
+            if ( parent && mTodoMap.contains(parent) ) {
+              parentItem = mTodoMap[ parent ];
+            }
+            if ( todoItem->parent() != parentItem ) {
+              // The relations changed
+              if ( parentItem ) {
+                parentItem->insertItem( todoItem );
+              } else {
+                mTodoListView->insertItem( todoItem );
+              }
+            }
+            todoItem->construct();
+          }
+        } else {
+          if ( !isFiltered ) {
+            insertTodoItem( todo );
+          }
+        }
+        mTodoListView->sort();
+        break;
+      case KOGlobals::INCIDENCEDELETED:
+        if ( todoItem ) {
+          scheduleRemoveTodoItem( todoItem );
+        }
+        break;
+      default:
+        QTimer::singleShot( 0, this, SLOT( updateView() ) );
+    }
+  } else {
+    // use a QTimer here, because when marking todos finished using
+    // the checkbox, this slot gets called, but we cannot update the views
+    // because we're still inside KOTodoViewItem::stateChange
+    QTimer::singleShot(0,this,SLOT(updateView()));
+  }
+}
+
+void KOTodoView::showDates(const QDate &, const QDate &)
+{
+}
+
+void KOTodoView::showIncidences( const Incidence::List & )
+{
+  kdDebug(5850) << "KOTodoView::showIncidences( const Incidence::List & ): not yet implemented" << endl;
+}
+
+CalPrinterBase::PrintType KOTodoView::printType()
+{
+  if ( mTodoListView->selectedItem() ) {
+    return CalPrinterBase::Incidence;
+  } else {
+    return CalPrinterBase::Todolist;
+  }
+}
+
+void KOTodoView::editItem( QListViewItem *item )
+{
+  if (item)
+    emit editIncidenceSignal( static_cast<KOTodoViewItem *>( item )->todo() );
+}
+
+void KOTodoView::editItem( QListViewItem *item, const QPoint &, int )
+{
+  editItem( item );
+}
+
+void KOTodoView::showItem( QListViewItem *item )
+{
+  if (item)
+    emit showIncidenceSignal( static_cast<KOTodoViewItem *>( item )->todo() );
+}
+
+void KOTodoView::showItem( QListViewItem *item, const QPoint &, int )
+{
+  showItem( item );
+}
+
+void KOTodoView::popupMenu( QListViewItem *item, const QPoint &, int column )
+{
+  mActiveItem = static_cast<KOTodoViewItem *>( item );
+  if ( mActiveItem && mActiveItem->todo() &&
+       !mActiveItem->todo()->isReadOnly() ) {
+    bool editable = !mActiveItem->todo()->isReadOnly();
+    mItemPopupMenu->setItemEnabled( ePopupEdit, editable );
+    mItemPopupMenu->setItemEnabled( ePopupDelete, editable );
+    mItemPopupMenu->setItemEnabled( ePopupMoveTo, editable );
+    mItemPopupMenu->setItemEnabled( ePopupCopyTo, editable );
+    mItemPopupMenu->setItemEnabled( ePopupUnSubTodo, editable );
+    mItemPopupMenu->setItemEnabled( ePopupUnAllSubTodo, editable );
+
+    if ( editable ) {
+      QDate date = mActiveItem->todo()->dtDue().date();
+      if ( mActiveItem->todo()->hasDueDate () ) {
+        mMovePopupMenu->datePicker()->setDate( date );
+      } else {
+        mMovePopupMenu->datePicker()->setDate( QDate::currentDate() );
+      }
+      switch ( column ) {
+        case ePriorityColumn:
+          mPriorityPopupMenu->popup( QCursor::pos() );
+          break;
+        case ePercentColumn: {
+          mPercentageCompletedPopupMenu->popup( QCursor::pos() );
+          break;
+        }
+        case eDueDateColumn:
+          mMovePopupMenu->popup( QCursor::pos() );
+          break;
+        case eCategoriesColumn:
+          getCategoryPopupMenu( mActiveItem )->popup( QCursor::pos() );
+          break;
+        default:
+          mCopyPopupMenu->datePicker()->setDate( date );
+          mCopyPopupMenu->datePicker()->setDate( QDate::currentDate() );
+          mItemPopupMenu->setItemEnabled( ePopupUnSubTodo,
+                                          mActiveItem->todo()->relatedTo() );
+          mItemPopupMenu->setItemEnabled( ePopupUnAllSubTodo,
+                                          !mActiveItem->todo()->relations().isEmpty() );
+          mItemPopupMenu->popup( QCursor::pos() );
+      }
+    } else {
+      mItemPopupMenu->popup( QCursor::pos() );
+    }
+  } else mPopupMenu->popup( QCursor::pos() );
+}
+
+void KOTodoView::newTodo()
+{
+  kdDebug() << k_funcinfo << endl;
+  emit newTodoSignal( QDate::currentDate().addDays(7) );
+}
+
+void KOTodoView::newSubTodo()
+{
+  if (mActiveItem) {
+    emit newSubTodoSignal(mActiveItem->todo());
+  }
+}
+
+void KOTodoView::editTodo()
+{
+  editItem( mActiveItem );
+}
+
+void KOTodoView::showTodo()
+{
+  showItem( mActiveItem );
+}
+
+void KOTodoView::printTodo()
+{
+#ifndef KORG_NOPRINTER
+  KOCoreHelper helper;
+  CalPrinter printer( this, BaseView::calendar(), &helper );
+  connect( this, SIGNAL(configChanged()), &printer, SLOT(updateConfig()) );
+
+  Incidence::List selectedIncidences;
+  selectedIncidences.append( mActiveItem->todo() );
+
+  printer.print( KOrg::CalPrinterBase::Incidence,
+                 QDate(), QDate(), selectedIncidences );
+#endif
+}
+
+void KOTodoView::deleteTodo()
+{
+  if (mActiveItem) {
+    emit deleteIncidenceSignal( mActiveItem->todo() );
+  }
+}
+
+void KOTodoView::setNewPriority(int index)
+{
+  if ( !mActiveItem || !mChanger ) return;
+  Todo *todo = mActiveItem->todo();
+  if ( !todo->isReadOnly () &&
+       mChanger->beginChange( todo ) ) {
+    Todo *oldTodo = todo->clone();
+    todo->setPriority(mPriority[index]);
+    mActiveItem->construct();
+
+    mChanger->changeIncidence( oldTodo, todo, KOGlobals::PRIORITY_MODIFIED );
+    mChanger->endChange( todo );
+    delete oldTodo;
+  }
+}
+
+void KOTodoView::setNewPercentage( KOTodoViewItem *item, int percentage )
+{
+  kdDebug(5850) << "KOTodoView::setNewPercentage( " << percentage << "), item = " << item << endl;
+  if ( !item || !mChanger  ) return;
+  Todo *todo = item->todo();
+  if ( !todo ) return;
+
+  if ( !todo->isReadOnly () && mChanger->beginChange( todo ) ) {
+    Todo *oldTodo = todo->clone();
+
+/*  Old code to make sub-items's percentage related to this one's:
+    QListViewItem *myChild = firstChild();
+    KOTodoViewItem *item;
+    while( myChild ) {
+      item = static_cast<KOTodoViewItem*>(myChild);
+      item->stateChange(state);
+      myChild = myChild->nextSibling();
+    }*/
+    if ( percentage == 100 ) {
+      todo->setCompleted( QDateTime::currentDateTime() );
+      // If the todo does recur, it doesn't get set as completed. However, the
+      // item is still checked. Uncheck it again.
+      if ( !todo->isCompleted() ) item->setState( QCheckListItem::Off );
+      else todo->setPercentComplete( percentage );
+    } else {
+      todo->setCompleted( false );
+      todo->setPercentComplete( percentage );
+    }
+    item->construct();
+    if ( todo->doesRecur() && percentage == 100 )
+      mChanger->changeIncidence( oldTodo, todo, KOGlobals::COMPLETION_MODIFIED_WITH_RECURRENCE );
+    else
+      mChanger->changeIncidence( oldTodo, todo, KOGlobals::COMPLETION_MODIFIED );
+    mChanger->endChange( todo );
+    delete oldTodo;
+  } else {
+    item->construct();
+    kdDebug(5850) << "No active item, active item is read-only, or locking failed" << endl;
+  }
+}
+
+void KOTodoView::setNewPercentage( int index )
+{
+  setNewPercentage( mActiveItem, mPercentage[index] );
+}
+
+void KOTodoView::setNewDate( QDate date )
+{
+  if ( !mActiveItem || !mChanger ) return;
+  Todo *todo = mActiveItem->todo();
+  if ( !todo ) return;
+
+  if ( !todo->isReadOnly() && mChanger->beginChange( todo ) ) {
+    Todo *oldTodo = todo->clone();
+
+    QDateTime dt;
+    dt.setDate( date );
+
+    if ( !todo->doesFloat() )
+      dt.setTime( todo->dtDue().time() );
+
+    if ( date.isNull() )
+      todo->setHasDueDate( false );
+    else if ( !todo->hasDueDate() )
+      todo->setHasDueDate( true );
+    todo->setDtDue( dt );
+
+    mActiveItem->construct();
+    mChanger->changeIncidence( oldTodo, todo, KOGlobals::COMPLETION_MODIFIED );
+    mChanger->endChange( todo );
+    delete oldTodo;
+  } else {
+    kdDebug(5850) << "No active item, active item is read-only, or locking failed" << endl;
+  }
+}
+
+void KOTodoView::copyTodoToDate( QDate date )
+{
+  QDateTime dt( date );
+
+  if ( mActiveItem && mChanger ) {
+    Todo *newTodo = mActiveItem->todo()->clone();
+    newTodo->recreate();
+
+   newTodo->setHasDueDate( !date.isNull() );
+   newTodo->setDtDue( dt );
+   newTodo->setPercentComplete( 0 );
+
+   // avoid forking
+   if ( newTodo->doesRecur() )
+     newTodo->recurrence()->unsetRecurs();
+
+   mChanger->addIncidence( newTodo, this );
+ }
+}
+
+QPopupMenu *KOTodoView::getCategoryPopupMenu( KOTodoViewItem *todoItem )
+{
+  QPopupMenu *tempMenu = new QPopupMenu( this );
+  QStringList checkedCategories = todoItem->todo()->categories();
+
+  tempMenu->setCheckable( true );
+  QStringList::Iterator it;
+  for ( it = KOPrefs::instance()->mCustomCategories.begin();
+        it != KOPrefs::instance()->mCustomCategories.end();
+        ++it ) {
+    int index = tempMenu->insertItem( *it );
+    mCategory[ index ] = *it;
+    if ( checkedCategories.find( *it ) != checkedCategories.end() )
+      tempMenu->setItemChecked( index, true );
+  }
+
+  connect ( tempMenu, SIGNAL( activated( int ) ),
+            SLOT( changedCategories( int ) ) );
+  return tempMenu;
+}
+
+void KOTodoView::changedCategories(int index)
+{
+  if ( !mActiveItem || !mChanger ) return;
+  Todo *todo = mActiveItem->todo();
+  if ( !todo ) return;
+
+  if ( !todo->isReadOnly() && mChanger->beginChange( todo ) ) {
+    Todo *oldTodo = todo->clone();
+
+    QStringList categories = todo->categories ();
+    if ( categories.find( mCategory[index] ) != categories.end() )
+      categories.remove( mCategory[index] );
+    else
+      categories.insert( categories.end(), mCategory[index] );
+    categories.sort();
+    todo->setCategories( categories );
+    mActiveItem->construct();
+    mChanger->changeIncidence( oldTodo, todo, KOGlobals::CATEGORY_MODIFIED );
+    mChanger->endChange( todo );
+    delete oldTodo;
+  } else {
+    kdDebug(5850) << "No active item, active item is read-only, or locking failed" << endl;
+  }
+}
+
+void KOTodoView::setDocumentId( const QString &id )
+{
+  kdDebug(5850) << "KOTodoView::setDocumentId()" << endl;
+
+  mDocPrefs->setDoc( id );
+}
+
+void KOTodoView::itemStateChanged( QListViewItem *item )
+{
+  if (!item) return;
+
+  KOTodoViewItem *todoItem = (KOTodoViewItem *)item;
+
+//  kdDebug(5850) << "KOTodoView::itemStateChanged(): " << todoItem->todo()->summary() << endl;
+
+  if( mDocPrefs ) mDocPrefs->writeEntry( todoItem->todo()->uid(), todoItem->isOpen() );
+}
+
+void KOTodoView::setNewPercentageDelayed( KOTodoViewItem *item, int percentage )
+{
+  mPercentChangedMap.append( qMakePair( item, percentage ) );
+
+  QTimer::singleShot( 0, this, SLOT( processDelayedNewPercentage() ) );
+}
+
+void KOTodoView::processDelayedNewPercentage()
+{
+  QValueList< QPair< KOTodoViewItem *, int> >::Iterator it;
+  for ( it = mPercentChangedMap.begin(); it != mPercentChangedMap.end(); ++it )
+    setNewPercentage( (*it).first, (*it).second );
+
+  mPercentChangedMap.clear();
+}
+
+void KOTodoView::saveLayout(KConfig *config, const QString &group) const
+{
+  mTodoListView->saveLayout(config,group);
+}
+
+void KOTodoView::restoreLayout(KConfig *config, const QString &group)
+{
+  mTodoListView->restoreLayout(config,group);
+}
+
+void KOTodoView::processSelectionChange()
+{
+//  kdDebug(5850) << "KOTodoView::processSelectionChange()" << endl;
+
+  KOTodoViewItem *item =
+    static_cast<KOTodoViewItem *>( mTodoListView->selectedItem() );
+
+  if ( !item ) {
+    emit incidenceSelected( 0 );
+  } else {
+    emit incidenceSelected( item->todo() );
+  }
+}
+
+void KOTodoView::clearSelection()
+{
+  mTodoListView->selectAll( false );
+}
+
+void KOTodoView::purgeCompleted()
+{
+  emit purgeCompletedSignal();
+}
+
+void KOTodoView::addQuickTodo()
+{
+  if ( ! mQuickAdd->text().stripWhiteSpace().isEmpty() ) {
+    Todo *todo = new Todo();
+    todo->setSummary( mQuickAdd->text() );
+    todo->setOrganizer( Person( KOPrefs::instance()->fullName(),
+                        KOPrefs::instance()->email() ) );
+    if ( !mChanger->addIncidence( todo, this ) ) {
+      KODialogManager::errorSaveIncidence( this, todo );
+      delete todo;
+      return;
+    }
+    mQuickAdd->setText( QString::null );
+  }
+}
+
+void KOTodoView::setIncidenceChanger( IncidenceChangerBase *changer )
+{
+  mChanger = changer;
+  mTodoListView->setIncidenceChanger( changer );
+}