KDGanttViewItem.cpp

/*
   $Id$
   KDGantt - a multi-platform charting engine
*/
 
/****************************************************************************
 ** Copyright (C)  2002-2004 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KDGantt library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KDGantt licenses may use this file in
 ** accordance with the KDGantt Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
 **   information about KDGantt Commercial License Agreements.
 **
 ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
 ** licensing are not clear to you.
 **
 ** As a special exception, permission is given to link this program
 ** with any edition of TQt, and distribute the resulting executable,
 ** without including the source code for TQt in the source distribution.
 **
 **********************************************************************/
 
 
#include "KDGanttViewSubwidgets.h"
#include "KDGanttViewTaskItem.h"
#include "KDGanttViewSummaryItem.h"
#include "KDGanttViewEventItem.h"
#include "itemAttributeDialog.h"
 
#include "tqpainter.h"
 
#include "KDGanttXMLTools.h"
 
 
TQDict<KDGanttViewItem> KDGanttViewItem::sItemDict;
 
KDGanttViewItem::KDGanttViewItem( Type type, KDGanttView* view,
                                  const TQString& lvtext,
                                  const TQString& name ) :
    TQListViewItem(view->myListView,lvtext)
{
    initColorAndShapes(type);
    generateAndInsertName( name );
}
 
 
KDGanttViewItem::KDGanttViewItem( Type type, KDGanttViewItem* parentItem,
                                  const TQString& lvtext,
                                  const TQString& name ) :
    TQListViewItem(parentItem,lvtext)
{
    initColorAndShapes(type);
    generateAndInsertName( name );
}
 
 
KDGanttViewItem::KDGanttViewItem( Type type, KDGanttView* view,
                                  KDGanttViewItem* after,
                                  const TQString& lvtext,
                                  const TQString& name ) :
    TQListViewItem(view->myListView,after, lvtext)
{
    initColorAndShapes(type);
    generateAndInsertName( name );
}
 
 
KDGanttViewItem::KDGanttViewItem( Type type, KDGanttViewItem* parentItem,
                                  KDGanttViewItem* after,
                                  const TQString& lvtext,
                                  const TQString& name ) :
    TQListViewItem( parentItem, after, lvtext )
{
    initColorAndShapes(type);
    generateAndInsertName( name );
}
 
 
KDGanttViewItem::~KDGanttViewItem()
{
  myGanttView->notifyEditdialog( this );
  if ( startLine ) delete startLine;
  if ( endLine ) delete endLine  ;
  if ( startLineBack ) delete startLineBack  ;
  if ( endLineBack ) delete  endLineBack ;
  if ( actualEnd ) delete actualEnd  ;
  if ( textCanvas  ) delete textCanvas   ;
  if ( startShape ) delete  startShape ;
  if ( midShape ) delete midShape  ;
  if ( endShape ) delete endShape  ;
  if ( startShapeBack ) delete startShapeBack  ;
  if ( midShapeBack ) delete midShapeBack   ;
  if ( endShapeBack ) delete endShapeBack  ;
  if ( progressShape ) delete  progressShape ;
  if ( floatStartShape ) delete  floatStartShape ;
  if ( floatEndShape ) delete  floatEndShape ;
  myGanttView->myTimeTable->removeItemFromTasklinks( this );
  myGanttView->myCanvasView->resetCutPaste( this );
  if ( listView() ) {
      if ( isOpen() )
          setOpen( false );
      if ( parent() )
          parent()->takeItem( this );
      else
          myGanttView->myListView->takeItem( this );
      myGanttView->myTimeTable->updateMyContent();
  }
  // myGanttView->myTimeTable->removeItemFromTasklinks( this );
  // myGanttView->myCanvasView->resetCutPaste( this );
}
 
 
void KDGanttViewItem::generateAndInsertName( const TQString& name )
{
    // First check if we already had a name. This can be the case if
    // the item was reconstructed from an XML file.
    if( !_name.isEmpty() )
        // We had a name, remove it
        sItemDict.remove( _name );
 
    TQString newName;
    if ( name.isEmpty() || sItemDict.find( name ) ) {
        // create unique name
        newName.sprintf( "%p", (void* )this );
        while( sItemDict.find( newName ) ) {
            newName += "_0";
        }
    } else {
        newName = name;
    }
    sItemDict.insert( newName, this );
    _name = newName;
}
 
 
TQString KDGanttViewItem::name() const
{
    return _name;
}
 
 
KDGanttViewItem* KDGanttViewItem::find( const TQString& name )
{
    if (name.isEmpty()) // avoid error msg from TQDict
        return 0;
    return sItemDict.find( name );
}
 
 
 
KDGanttViewItem::Type KDGanttViewItem::type() const
{
 
    return myType;
}
 
 
void KDGanttViewItem::setEnabled( bool on )
{
  _enabled = on;
  if ( displaySubitemsAsGroup() ) {
    myGanttView->myTimeTable->inc_blockUpdating();
    KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
    while (temp != 0) {
      temp->setEnabled(  on );
      temp = temp->nextSibling();
    }
    TQListViewItem::setEnabled( on );
    myGanttView->myTimeTable->dec_blockUpdating();
  }
  updateCanvasItems();
}
 
 
bool KDGanttViewItem::enabled () const
{
  return _enabled;
}
 
 
// *********************************
void KDGanttViewItem::setItemVisible( bool on )
{
  if ( on ) {
    resetSubitemVisibility();
  } else
    setVisible( false );
  //updateCanvasItems();
  myGanttView->myTimeTable->updateMyContent();
}
 
 
bool KDGanttViewItem::itemVisible () const
{
  return TQListViewItem::isVisible();
}
 
 
// *************************************
 
void KDGanttViewItem::setEditable( bool editable )
{
    isEditable = editable;
}
 
 
bool KDGanttViewItem::editable() const
{
    return isEditable;
}
 
 
void KDGanttViewItem::setDisplaySubitemsAsGroup( bool show )
{
  if ( !show && _displaySubitemsAsGroup)
    isVisibleInGanttView = true;
  _displaySubitemsAsGroup = show;
  if ( parent() )
    if ( parent()->isOpen() )
     parent()->setOpen( true );
  if ( isOpen() )
    setOpen( true );
  updateCanvasItems();
}
 
 
bool KDGanttViewItem::displaySubitemsAsGroup() const
{
    return _displaySubitemsAsGroup;
}
 
 
void KDGanttViewItem::setPriority( int prio )
{
  if ( prio < 1 )
    prio = 1;
  if (prio > 199 )
    prio = 199;
  _priority = prio;
  updateCanvasItems();
}
 
 
int KDGanttViewItem::priority()
{
    return _priority;
}
 
 
void KDGanttViewItem::setStartTime( const TQDateTime&  )
{
}
 
 
TQDateTime KDGanttViewItem::startTime() const
{
    return myStartTime;
}
 
 
void KDGanttViewItem::setEndTime( const TQDateTime& end )
{
    switch( type() ) {
    case Event:
        tqDebug( "KDGantt:Event Item has no end time" );
        break;
    case Summary:
        ((KDGanttViewSummaryItem*)this)->setEndTime( end );
        break;
    case Task:
        tqDebug( "KDGantt:Task Item has no end time" );
        break;
    default:
        tqDebug( "Unknown type in KDGanttViewItem::typeToString()" );
    }
}
 
 
TQDateTime KDGanttViewItem::endTime() const
{
    return myEndTime;
}
 
 
void KDGanttViewItem::setText( const TQString& text )
{
    textCanvas->setText(text);
    textCanvasText = text;
    updateCanvasItems();
}
 
 
TQString KDGanttViewItem::text() const
{
    return textCanvasText;
}
 
 
void KDGanttViewItem::setListViewText( const TQString& text, int column )
{
    TQListViewItem::setText( column, text );
}
 
 
void KDGanttViewItem::setListViewText( int column, const TQString& text )
{
    TQListViewItem::setText( column, text );
}
 
 
TQString KDGanttViewItem::listViewText( int column ) const
{
    return TQListViewItem::text( column );
}
 
 
void KDGanttViewItem::setFont( const TQFont& font )
{
    textCanvas->setFont(font);
    updateCanvasItems();
}
 
 
TQFont KDGanttViewItem::font() const
{
    return textCanvas->font();
}
 
 
void KDGanttViewItem::setTooltipText( const TQString& text )
{
    myToolTipText = text;
}
 
 
TQString KDGanttViewItem::tooltipText() const
{
 
    return myToolTipText;
}
 
 
void KDGanttViewItem::setWhatsThisText( const TQString& text )
{
    myWhatsThisText = text;
}
 
 
TQString KDGanttViewItem::whatsThisText() const
{
    return myWhatsThisText;
}
 
 
void KDGanttViewItem::setHighlight( bool highlight )
{
    isHighlighted = highlight;
    if ( displaySubitemsAsGroup() ) {
      myGanttView->myTimeTable->inc_blockUpdating();
      KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
      while (temp != 0) {
    temp->setHighlight( highlight );
    temp = temp->nextSibling();
      }
      myGanttView->myTimeTable->dec_blockUpdating();
    }
    updateCanvasItems();
}
 
 
bool KDGanttViewItem::highlight() const
{
    return isHighlighted;
}
 
 
void KDGanttViewItem::setShapes( Shape start, Shape middle, Shape end )
{
 
    myStartShape =  start;
    myMiddleShape= middle;
    myEndShape=  end;
    createShape(startShape,startShapeBack,start);
    createShape(midShape,midShapeBack,middle);
    midShape->setZ( 4 );
    createShape(endShape,endShapeBack,end);
    updateCanvasItems();
}
 
 
void KDGanttViewItem::createShape( KDCanvasPolygonItem* &itemShape,
                                   KDCanvasPolygonItem* &itemShapeBack,
                                   Shape shape )
{
  if ( itemShape && type() ==  Task )
    return;
    if (itemShape) delete itemShape;
    if (itemShapeBack) delete itemShapeBack;
 
    TQCanvasPolygonalItem * item;
    TQCanvasPolygonalItem * itemBack;
    int size = myItemSize+2;
    int hei = (myItemSize/3)/2;
    switch (shape) {
    case TriangleDown:
        {
            item = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            TQPointArray arr = TQPointArray(3);
            arr.setPoint(0,-size/2,-hei);
            arr.setPoint(1,size/2,-hei);
            arr.setPoint(2,0,((size/2)-hei));
            ((TQCanvasPolygon*)item)->setPoints(arr);
            size += 4;hei +=1;
            itemBack = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            arr.setPoint(0,-size/2,-hei);
            arr.setPoint(1,size/2,-hei);
            arr.setPoint(2,0,((size/2)-hei));
            ((TQCanvasPolygon*)itemBack)->setPoints(arr);
 
            break;
        }
    case TriangleUp:
        {
            // I really do not know why, but  we get only an TriangleUp-icon
            // of the same size as a TriangleDown-icon, if we increment the size by 2
            size+=2;
            item = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            TQPointArray arr = TQPointArray(3);
            arr.setPoint(0,-size/2,hei);
            arr.setPoint(1,size/2,hei);
            arr.setPoint(2,0,(-size/2)+hei);
            ((TQCanvasPolygon*)item)->setPoints(arr);
            size += 4;hei +=1;
            itemBack = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            arr.setPoint(0,-size/2,hei);
            arr.setPoint(1,size/2,hei);
            arr.setPoint(2,0,(-size/2)+hei);
            ((TQCanvasPolygon*)itemBack)->setPoints(arr);
 
            break;
        }
 
    case Diamond:
        {
            item = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            TQPointArray arr = TQPointArray(4);
            arr.setPoint(0,0,-size/2);
            arr.setPoint(1,size/2,0);
            arr.setPoint(2,0,size/2);
            arr.setPoint(3,-size/2,0);
            ((TQCanvasPolygon*)item)->setPoints(arr);
            size += 2;hei +=1;
            itemBack = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            arr.setPoint(0,0,-size/2);
            arr.setPoint(1,size/2,0);
            arr.setPoint(2,0,size/2);
            arr.setPoint(3,-size/2,0);
            ((TQCanvasPolygon*)itemBack)->setPoints(arr);
            break;
        }
 
    case Square:
        {
            size -=2;
            item = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            TQPointArray arr = TQPointArray(4);
            arr.setPoint(0,-size/2,-size/2);
            arr.setPoint(1,size/2,-size/2);
            arr.setPoint(2,size/2,size/2);
            arr.setPoint(3,-size/2,size/2);
            ((TQCanvasPolygon*)item)->setPoints(arr);
            size += 2;hei +=1;
            itemBack = new KDCanvasPolygon(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            arr.setPoint(0,-size/2,-size/2);
            arr.setPoint(1,size/2,-size/2);
            arr.setPoint(2,size/2,size/2);
            arr.setPoint(3,-size/2,size/2);
            ((TQCanvasPolygon*)itemBack)->setPoints(arr);
            break;
        }
 
    case Circle:
        {
            size -= 2;
            item = new KDCanvasEllipse(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            ((KDCanvasEllipse*)item)->setSize(size,size);
            size += 2;hei +=1;
            itemBack = new KDCanvasEllipse(myGanttView->myTimeTable, this,Type_is_KDGanttViewItem);
            ((KDCanvasEllipse*)itemBack)->setSize(size,size);
            break;
        }
    default:
        // Uninitialized shape, can e.g. be the case with free-busy
        // items which don't have any shapes
        return;
    }
    item->setBrush(TQt::SolidPattern);
    item->setZ(5);
    itemShape = (KDCanvasPolygonItem*) item;
    itemBack->setBrush(TQt::SolidPattern);
    itemBack->setZ(3);
    itemShapeBack = (KDCanvasPolygonItem*) itemBack;
 
}
 
 
void KDGanttViewItem::shapes( Shape& start, Shape& middle, Shape& end ) const
{
    start = myStartShape;
    middle = myMiddleShape;
    end = myEndShape;
}
 
 
void KDGanttViewItem::setColors( const TQColor& start, const TQColor& middle,
                                 const TQColor& end )
{
 
    myStartColor=start ;
    myMiddleColor= middle;
    myEndColor= end;
    if ( displaySubitemsAsGroup() ) {
      myGanttView->myTimeTable->inc_blockUpdating();
      KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
      while (temp != 0) {
    temp->setColors( start, middle, end );
    temp = temp->nextSibling();
      }
      myGanttView->myTimeTable->dec_blockUpdating();
    }
    updateCanvasItems();
}
 
 
void KDGanttViewItem::colors( TQColor& start, TQColor& middle, TQColor& end ) const
{
    start = myStartColor ;
    middle =  myMiddleColor;
    end  = myEndColor;
 
}
 
 
void KDGanttViewItem::setHighlightColors( const TQColor& start, const TQColor& middle, const TQColor& end )
{
    myStartColorHL=start ;
    myMiddleColorHL= middle;
    myEndColorHL= end;
    if ( displaySubitemsAsGroup() ) {
      myGanttView->myTimeTable->inc_blockUpdating();
      KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
      while (temp != 0) {
    temp->setHighlightColors( start,  middle,  end );
    temp = temp->nextSibling();
      }
      myGanttView->myTimeTable->dec_blockUpdating();
    }
    updateCanvasItems();
}
 
 
void KDGanttViewItem::highlightColors( TQColor& start, TQColor& middle, TQColor& end ) const
{
    start = myStartColorHL ;
    middle =  myMiddleColorHL;
    end  = myEndColorHL;
}
 
 
void KDGanttViewItem::setTextColor( const TQColor& color )
{
 
   myTextColor = color;
   if ( displaySubitemsAsGroup() ) {
      myGanttView->myTimeTable->inc_blockUpdating();
      KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
      while (temp != 0) {
    temp->setTextColor(color);
    temp = temp->nextSibling();
      }
      myGanttView->myTimeTable->dec_blockUpdating();
    }
    updateCanvasItems();
}
 
 
TQColor KDGanttViewItem::textColor() const
{
    return myTextColor;
}
 
 
void KDGanttViewItem::setPixmap( int column, const TQPixmap& pixmap )
{
    TQListViewItem::setPixmap( column, pixmap );
}
 
void KDGanttViewItem::setPixmap( const TQPixmap& pixmap )
{
    TQListViewItem::setPixmap( 0, pixmap );
}
 
 
const TQPixmap* KDGanttViewItem::pixmap( int column ) const
{
    return TQListViewItem::pixmap( column );
}
 
 
void KDGanttViewItem::setDefaultColor( const TQColor& color )
{
    myDefaultColor = color;
 
 
   if ( displaySubitemsAsGroup() ) {
      myGanttView->myTimeTable->inc_blockUpdating();
      KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
      while (temp != 0) {
    temp->setDefaultColor( color );
    temp = temp->nextSibling();
      }
      myGanttView->myTimeTable->dec_blockUpdating();
    }
    updateCanvasItems();
}
 
 
 
TQColor KDGanttViewItem::defaultColor() const
{
    return myDefaultColor;
}
 
 
void KDGanttViewItem::setDefaultHighlightColor( const TQColor& color )
{
    myDefaultColorHL = color;
   if ( displaySubitemsAsGroup() ) {
      myGanttView->myTimeTable->inc_blockUpdating();
      KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
      while (temp != 0) {
    temp->setDefaultHighlightColor( color );
    temp = temp->nextSibling();
      }
      myGanttView->myTimeTable->dec_blockUpdating();
    }
    updateCanvasItems();
}
 
 
TQColor KDGanttViewItem::defaultHighlightColor() const
{
    return myDefaultColorHL;
}
 
 
KDGanttViewItem* KDGanttViewItem::firstChild() const
{
 
    return (KDGanttViewItem* )TQListViewItem::firstChild();
}
 
 
KDGanttViewItem* KDGanttViewItem::nextSibling() const
{
    return (KDGanttViewItem* )TQListViewItem::nextSibling();
}
 
 
KDGanttViewItem* KDGanttViewItem::parent() const
{
    return (KDGanttViewItem*)TQListViewItem::parent();
}
 
 
KDGanttViewItem* KDGanttViewItem::itemAbove()
{
    return (KDGanttViewItem* )TQListViewItem::itemAbove();
}
 
 
KDGanttViewItem* KDGanttViewItem::itemBelow( bool includeDisabled )
{
 
  KDGanttViewItem*  retItem = (KDGanttViewItem* )TQListViewItem::itemBelow();
  if ( !includeDisabled ) {
    return  retItem;
  }
  if ( retItem ) {
    if (itemPos() + height() == retItem->itemPos() ) {
      return retItem;
    }
  }
  KDGanttViewItem*  Item2 = (KDGanttViewItem* )TQListViewItem::listView()->itemAt(TQPoint (2, TQListViewItem::itemPos() + TQListViewItem::height() +2) );
  if ( Item2 != 0 )
    if (!Item2->enabled() )
      return Item2;
  return retItem;
}
 
 
void KDGanttViewItem::updateCanvasItems()
{
    if (blockUpdating) return;
    TQPen p,pBack;
    TQBrush b;
    b.setStyle(TQt::SolidPattern);
    if ( enabled() ) {
      textCanvas->setColor(myTextColor);
      if (isHighlighted) {
        b.setStyle(TQt::SolidPattern);
        b.setColor(myStartColorHL);
        startShape->setBrush(b);
        b.setColor(myMiddleColorHL);
        midShape->setBrush(b);
        b.setColor(myEndColorHL);
        endShape->setBrush(b);
        p.setWidth(myItemSize/3 -1);
        p.setColor(myStartColorHL);
        startLine->setPen(p);
        p.setColor(myEndColorHL);
        endLine->setPen(p);
      } else {
        b.setStyle(TQt::SolidPattern);
        b.setColor(myStartColor);
    //  tqDebug("update color  %s %s", listViewText().latin1(),myStartColor.name().latin1() );
        startShape->setBrush(b);
        b.setColor(myMiddleColor);
        midShape->setBrush(b);
        b.setColor(myEndColor);
        endShape->setBrush(b);
        p.setWidth(myItemSize/3-1);
        p.setColor(myStartColor);
        startLine->setPen(p);
        p.setColor(myEndColor);
        endLine->setPen(p);
      }
    } else {
      //TQColor discol = TQt::lightGray;
        TQColor discol = TQColor(232,232,232);
    textCanvas->setColor( TQColor(150,150,150) );
        b.setStyle(TQt::SolidPattern);
        b.setColor(discol);
        startShape->setBrush(b);
        midShape->setBrush(b);
        endShape->setBrush(b);
        p.setWidth(myItemSize/3 -1);
        p.setColor(discol);
        startLine->setPen(p);
        endLine->setPen(p);
    }
    pBack.setWidth((myItemSize/3-1)+2);
    startLineBack->setPen(pBack);
    endLineBack->setPen(pBack);
    TQFont f = textCanvas->font();
    f.setPixelSize(myItemSize);
    textCanvas->setFont(f);
    //if (isvisible) {
        myGanttView->myTimeTable->updateMyContent();
    //}
}
 
 
void KDGanttViewItem::initItem()
{
}
 
 
void KDGanttViewItem::setOpen( bool open )
{
  if ( _callListViewOnSetOpen ) {
    // notify the listview about a programatically called setOpen()
    if ( listView () )
      listView ()->setOpen( this, open );
 
  } else {
 
    TQListViewItem::setOpen( open );
  }
}
 
 
void KDGanttViewItem::showItem( bool, int )
{
}
 
 
TQPoint KDGanttViewItem::getTaskLinkStartCoord(TQPoint p)
{
    textCanvas->move(p.x()+myItemSize, itemPos() + height()/2-myItemSize/2);
    return TQPoint (myGanttView->myTimeHeader->getCoordX(myEndTime) +myItemSize/2,itemPos()+height()/2);
}
 
 
TQPoint KDGanttViewItem::getTaskLinkEndCoord()
{
    return TQPoint (myGanttView->myTimeHeader->getCoordX(myStartTime)-myItemSize/2 ,itemPos()-myItemSize/2+height()/2-2);
}
 
 
void KDGanttViewItem::hideSubtree()
{
  if (firstChild())
    firstChild()->hideSubtree();
  if ( nextSibling () )
    nextSibling ()->hideSubtree();
  showItem(false);
}
 
 
void KDGanttViewItem::setCallListViewOnSetOpen( bool call )
{
  _callListViewOnSetOpen = call;
}
 
 
void KDGanttViewItem::initColorAndShapes(Type t)
{
    _isMoveable = false;
    _isResizeable = false;
    setTextOffset(TQPoint(0,0));
  //_isCalendar = false;
    _callListViewOnSetOpen = true;
    myType = t;
    myProgress = 0;
    progressShape = 0;
    floatStartShape = 0;
    floatEndShape = 0;
    blockUpdating = true;
    isVisibleInGanttView = false;
    startShape = 0;
    midShape = 0;
    endShape = 0;
    startShapeBack = 0;
    midShapeBack = 0;
    endShapeBack = 0;
 
    myItemSize = 10;
    myGanttView = ((KDListView *)listView())->myGanttView;
    myGanttView->myTimeHeader->saveCenterDateTime();
    myStartTime = myGanttView->myTimeHeader->myCenterDateTime;
    myEndTime = myStartTime;
    myToolTipText =TQListViewItem::text(0);
    myWhatsThisText = TQListViewItem::text(0);
    isHighlighted = false;
    isEditable = true;
    _displaySubitemsAsGroup = myGanttView->displaySubitemsAsGroup();
    startLine = new KDCanvasLine(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);//KDGanttViewItem );
    endLine = new KDCanvasLine(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
    startLine->setZ(2);endLine->setZ(2);
    startLineBack = new KDCanvasLine(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);//KDGanttViewItem );
    endLineBack = new KDCanvasLine(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
    startLineBack->setZ(1);endLineBack->setZ(1);
    actualEnd = new KDCanvasLine(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
    actualEnd->setZ(5);
    actualEnd->setPen( TQPen ( TQt::red, 3 ) );
 
    textCanvas = new KDCanvasText(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
    textCanvas->setText("");
    textCanvas->setZ(10);
    // set textcolor
    setTextColor( myGanttView->textColor());
    // set default color
    setDefaultColor( myGanttView->defaultColor(myType));
    // set default highlight color
    setDefaultHighlightColor(myGanttView->defaultHighlightColor(myType));
    // set shapes
    if (!( shapeDefined = (myGanttView->shapes(myType,myStartShape,myMiddleShape,myEndShape)))) {
 
        //tqDebug("KDGantt::KDGanttViewItem created with not user defined shapes");
    };
 
    setShapes(myStartShape,myMiddleShape,myEndShape);
    if ( type() == Task ) {
      //tqDebug("new task %s ", listViewText().latin1());
      if ( startShape )
    delete startShape;
      startShape = (KDCanvasPolygonItem*)new  KDCanvasRectangle(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
      progressShape = (KDCanvasPolygonItem*)new  KDCanvasRectangle(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
    }
    floatStartShape = (KDCanvasPolygonItem*)new  KDCanvasRectangle(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
    floatEndShape = (KDCanvasPolygonItem*)new  KDCanvasRectangle(myGanttView->myTimeTable,this,Type_is_KDGanttViewItem);
 
    // set color of shapes
    if (!( colorDefined = (myGanttView->colors(myType,myStartColor,myMiddleColor,myEndColor)))) {
 
    };
    setColors(defaultColor(),defaultColor(), defaultColor());
    // set highlight color of shapes
    if (!( colorHLDefined = (myGanttView->highlightColors(myType,myStartColorHL,myMiddleColorHL,myEndColorHL)))) {
 
    };
    setHighlightColors(defaultHighlightColor(),defaultHighlightColor(), defaultHighlightColor());
    setFont(myGanttView->font());
    // if (type() ==  Task)
    //setText(TQListViewItem::text(0)); // testing only
    //isvisible = true;
    _priority = 150;
    _showNoInformation = false;
    _enabled = true;
    blockUpdating = false;
    updateCanvasItems();
}
 
 
TQString KDGanttViewItem::shapeToString( Shape shape )
{
    switch( shape ) {
    case TriangleDown:
        return "TriangleDown";
    case TriangleUp:
        return "TriangleUp";
    case Diamond:
        return "Diamond";
    case Square:
        return "Square";
    case Circle:
        return "Circle";
    }
    return "";
}
 
 
KDGanttViewItem::Shape KDGanttViewItem::stringToShape( const TQString& string )
{
    if( string == "TriangleDown" )
        return TriangleDown;
    else if( string == "TriangleUp" )
        return TriangleUp;
    else if( string == "Diamond" )
        return Diamond;
    else if( string == "Square" )
        return Square;
    else if( string == "Circle" )
        return Circle;
    else
        return TriangleDown;
}
 
 
void KDGanttViewItem::createNode( TQDomDocument& doc,
                                  TQDomElement& parentElement )
{
    TQDomElement itemElement = doc.createElement( "Item" );
    parentElement.appendChild( itemElement );
    itemElement.setAttribute( "Type", typeToString( type() ) );
 
    KDGanttXML::createDateTimeNode( doc, itemElement, "StartTime", startTime() );
    KDGanttXML::createDateTimeNode( doc, itemElement, "EndTime", endTime() );
    KDGanttXML::createFontNode( doc, itemElement, "Font", font() );
    KDGanttXML::createStringNode( doc, itemElement, "Text", text() );
    KDGanttXML::createStringNode( doc, itemElement, "TooltipText", tooltipText() );
    KDGanttXML::createStringNode( doc, itemElement, "WhatsThisText",
                             whatsThisText() );
    if( pixmap() )
        KDGanttXML::createPixmapNode( doc, itemElement, "Pixmap", *pixmap() );
    if( !listViewText().isNull() )
        KDGanttXML::createStringNode( doc, itemElement, "ListViewText",
                                 listViewText() );
    KDGanttXML::createBoolNode( doc, itemElement, "Open", isOpen() );
    KDGanttXML::createBoolNode( doc, itemElement, "Highlight", highlight() );
    Shape startShape, middleShape, endShape;
    shapes( startShape, middleShape, endShape );
    KDGanttXML::createStringNode( doc, itemElement, "StartShape",
                             shapeToString( startShape ) );
    KDGanttXML::createStringNode( doc, itemElement, "MiddleShape",
                             shapeToString( middleShape ) );
    KDGanttXML::createStringNode( doc, itemElement, "EndShape",
                             shapeToString( endShape ) );
    KDGanttXML::createColorNode( doc, itemElement, "DefaultColor", defaultColor() );
    TQColor startColor, middleColor, endColor;
    colors( startColor, middleColor, endColor );
    KDGanttXML::createColorNode( doc, itemElement, "StartColor", startColor );
    KDGanttXML::createColorNode( doc, itemElement, "MiddleColor", middleColor );
    KDGanttXML::createColorNode( doc, itemElement, "EndColor", endColor );
    KDGanttXML::createColorNode( doc, itemElement, "DefaultHighlightColor",
                            defaultHighlightColor() );
    highlightColors( startColor, middleColor, endColor );
    KDGanttXML::createColorNode( doc, itemElement, "StartHighlightColor",
                            startColor );
    KDGanttXML::createColorNode( doc, itemElement, "MiddleHighlightColor",
                            middleColor );
    KDGanttXML::createColorNode( doc, itemElement, "EndHighlightColor", endColor );
    KDGanttXML::createColorNode( doc, itemElement, "TextColor", textColor() );
    KDGanttXML::createStringNode( doc, itemElement, "Name", name() );
    TQDomElement itemsElement = doc.createElement( "Items" );
    itemElement.appendChild( itemsElement );
    KDGanttViewItem* currentItem = firstChild();
    while( currentItem ) {
        currentItem->createNode( doc, itemsElement );
        currentItem = currentItem->nextSibling();
    }
 
}
 
 
 
KDGanttViewItem* KDGanttViewItem::createFromDomElement( KDGanttView* view,
                                                        TQDomElement& element )
{
    TQString typeString = element.attribute( "Type" );
    Q_ASSERT( !typeString.isEmpty() );
    KDGanttViewItem* item;
    if( typeString == "Task" )
        item = new KDGanttViewTaskItem( view );
    else if( typeString == "Summary" )
        item = new KDGanttViewSummaryItem( view );
    else if( typeString == "Event" )
        item = new KDGanttViewEventItem( view );
    else {
        tqDebug( "Unknown item type %s in KDGanttViewItem::createFromDomElement()", typeString.latin1() );
        return 0;
    }
 
    item->loadFromDomElement( element );
    return item;
}
 
 
KDGanttViewItem* KDGanttViewItem::createFromDomElement( KDGanttView* view,
                                                        KDGanttViewItem* previous,
                                                        TQDomElement& element )
{
    TQString typeString = element.attribute( "Type" );
    Q_ASSERT( !typeString.isEmpty() );
    KDGanttViewItem* item;
    if( typeString == "Task" )
        item = new KDGanttViewTaskItem( view, previous );
    else if( typeString == "Summary" )
        item = new KDGanttViewSummaryItem( view, previous );
    else if( typeString == "Event" )
        item = new KDGanttViewEventItem( view, previous );
    else {
        tqDebug( "Unknown item type in KDGanttViewItem::createFromDomElement()" );
        return 0;
    }
 
    item->loadFromDomElement( element );
    return item;
}
 
 
 
 
KDGanttViewItem* KDGanttViewItem::createFromDomElement( KDGanttViewItem* parent,
                                                        TQDomElement& element )
{
    TQString typeString = element.attribute( "Type" );
    Q_ASSERT( !typeString.isEmpty() );
    KDGanttViewItem* item;
    if( typeString == "Task" )
        item = new KDGanttViewTaskItem( parent );
    else if( typeString == "Summary" )
        item = new KDGanttViewSummaryItem( parent );
    else if( typeString == "Event" )
        item = new KDGanttViewEventItem( parent );
    else {
        tqDebug( "Unknown item type in KDGanttViewItem::createFromDomElement()" );
        return 0;
    }
 
    item->loadFromDomElement( element );
    return item;
}
 
 
KDGanttViewItem* KDGanttViewItem::createFromDomElement( KDGanttViewItem* parent,
                                                        KDGanttViewItem* previous,
                                                        TQDomElement& element )
{
    TQString typeString = element.attribute( "Type" );
    Q_ASSERT( !typeString.isEmpty() );
    KDGanttViewItem* item;
    if( typeString == "Task" )
        item = new KDGanttViewTaskItem( parent, previous );
    else if( typeString == "Summary" )
        item = new KDGanttViewSummaryItem( parent, previous );
    else if( typeString == "Event" )
        item = new KDGanttViewEventItem( parent, previous );
    else {
        tqDebug( "Unknown item type in KDGanttViewItem::createFromDomElement()" );
        return 0;
    }
 
    item->loadFromDomElement( element );
    return item;
}
 
 
/*
  Fills in the values in the item by reading the DOM element.
*/
void KDGanttViewItem::loadFromDomElement( TQDomElement& element )
{
    TQDomNode node = element.firstChild();
    Shape startShape = TriangleDown, middleShape = TriangleDown,
            endShape = TriangleDown;
    TQColor startColor, middleColor, endColor;
    TQColor startHighlightColor, middleHighlightColor, endHighlightColor;
    TQString tempName;
    while( !node.isNull() ) {
        TQDomElement element = node.toElement();
        if( !element.isNull() ) { // was really an element
            TQString tagName = element.tagName();
            if( tagName == "StartTime" ) {
                TQDateTime value;
                if( KDGanttXML::readDateTimeNode( element, value ) )
                    setStartTime( value );
            } else if( tagName == "EndTime" ) {
                TQDateTime value;
                if( KDGanttXML::readDateTimeNode( element, value ) )
                    setEndTime( value );
            } else if( tagName == "Text" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    setText( value );
            } else if( tagName == "Font" ) {
                TQFont value;
                if( KDGanttXML::readFontNode( element, value ) )
                    setFont( value );
            } else if( tagName == "TooltipText" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    setTooltipText( value );
            } else if( tagName == "WhatsThisText" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    setWhatsThisText( value );
            } else if( tagName == "Pixmap" ) {
                TQPixmap value;
                if( KDGanttXML::readPixmapNode( element, value ) )
                    setPixmap( value );
            } else if( tagName == "ListViewText" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    setListViewText( value );
            } else if( tagName == "Open" ) {
                bool value;
                if( KDGanttXML::readBoolNode( element, value ) )
                    setOpen( value );
            } else if( tagName == "Highlight" ) {
                bool value;
                if( KDGanttXML::readBoolNode( element, value ) )
                    setHighlight( value );
            } else if( tagName == "StartShape" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    startShape = stringToShape( value );
            } else if( tagName == "MiddleShape" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    middleShape = stringToShape( value );
            } else if( tagName == "EndShape" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    endShape = stringToShape( value );
            } else if( tagName == "DefaultColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    setDefaultColor( value );
            } else if( tagName == "StartColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    startColor = value;
            } else if( tagName == "MiddleColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    middleColor = value;
            } else if( tagName == "EndColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    endColor = value;
            } else if( tagName == "DefaultHighlightColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    setDefaultHighlightColor( value );
            } else if( tagName == "StartHighlightColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    startHighlightColor = value;
            } else if( tagName == "MiddleHighlightColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    middleHighlightColor = value;
            } else if( tagName == "EndHighlightColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    endHighlightColor = value;
            } else if( tagName == "TextColor" ) {
                TQColor value;
                if( KDGanttXML::readColorNode( element, value ) )
                    setTextColor( value );
            } else if( tagName == "Name" ) {
                TQString value;
                if( KDGanttXML::readStringNode( element, value ) )
                    tempName = value;
            } else if( tagName == "Items" ) {
                TQDomNode node = element.firstChild();
                KDGanttViewItem* previous = 0;
                while( !node.isNull() ) {
                    TQDomElement element = node.toElement();
                    if( !element.isNull() ) { // was really an element
                        TQString tagName = element.tagName();
                        if( tagName == "Item" ) {
                            KDGanttViewItem* newItem;
                            if( previous )
                                newItem =
                                    KDGanttViewItem::createFromDomElement( this,
                                                                           previous,
                                                                           element );
                            else
                                newItem =
                                    KDGanttViewItem::createFromDomElement( this,
                                                                           element );
                            previous = newItem;
                        } else {
                            tqDebug( "Unrecognized tag name: %s", tagName.latin1() );
                            Q_ASSERT( false );
                        }
                    }
 
                    node = node.nextSibling();
                }
            } else {
                tqDebug( "Unrecognized tag name: %s", tagName.latin1() );
                Q_ASSERT( false );
            }
        }
 
        node = node.nextSibling();
    }
 
    setColors( startColor, middleColor, endColor );
    setHighlightColors( startHighlightColor, middleHighlightColor,
                        endHighlightColor );
    setShapes( startShape, middleShape, endShape );
    generateAndInsertName( tempName );
}
 
 
TQString KDGanttViewItem::typeToString( Type type )
{
    switch( type ) {
    case Event:
        return "Event";
    case Summary:
        return "Summary";
    case Task:
        return "Task";
    default:
        tqDebug( "Unknown type in KDGanttViewItem::typeToString()" );
        return "Summary";
    }
    return "";
}
 
 
int KDGanttViewItem::getCoordY()
{
    return itemPos() + height()/2;
}
 
 
void KDGanttViewItem::showSubItems()
{
  showSubitemTree( getCoordY() );
}
 
 
void KDGanttViewItem::showSubitemTree( int CoordY )
{
 
  KDGanttViewItem* temp = firstChild();
  if (temp) {
    while (temp != 0) {
      if (temp->isOpen() || !temp->displaySubitemsAsGroup() ) {
    temp->showItem( true, CoordY );
    if ( temp->firstChild() )
      temp->firstChild()->hideSubtree();
      } else {
        if ( temp->displaySubitemsAsGroup() && temp->firstChild() )
      temp->hideSubtree();
    else {
      temp->showSubitemTree( CoordY );
    }
      }
      temp = temp->nextSibling();
    }
    showItem( false );
  } else {
    showItem( true, CoordY );
  }
}
 
 
TQDateTime KDGanttViewItem::myChildStartTime()
{
  TQDateTime ret, tempTime;
  bool set = true;
  KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
  if (temp) {
    while (temp != 0) {
      if ( !temp->displaySubitemsAsGroup() ) {
    tempTime = temp->startTime();
      } else {
    tempTime = temp->myChildStartTime();
      }
      if ( set ) {
    set = false;
    ret = tempTime;
      } else {
    if ( tempTime < ret ) {
      ret = tempTime;
    }
      }
      temp = temp->nextSibling();
    }
  } else {
    ret = startTime();
  }
  return ret;
}
 
 
TQDateTime KDGanttViewItem::myChildEndTime()
{
  TQDateTime ret, tempTime;
  bool set = true;
  KDGanttViewItem* temp = (KDGanttViewItem*) firstChild();
  if (temp) {
    while (temp != 0) {
      if ( !temp->displaySubitemsAsGroup() ) {
    tempTime = temp->endTime();
      } else {
    tempTime = temp->myChildEndTime();
      }
      if ( set ) {
    set = false;
    ret = tempTime;
      } else {
    if ( tempTime > ret ) {
      ret = tempTime;
    }
      }
      temp = temp->nextSibling();
    }
  } else {
    ret = endTime();
  }
  return ret;
}
 
 
bool KDGanttViewItem::showNoInformation()
{
  return _showNoInformation;
}
 
 
void KDGanttViewItem::setShowNoInformation( bool show )
{
  _showNoInformation = show;
  myGanttView->myTimeTable->updateMyContent();
}
 
 
KDGanttViewItem* KDGanttViewItem::getChildByName( const TQString& name )
{
  if ( listViewText() == name )
    return this;
  KDGanttViewItem* temp =  firstChild(),* ret;
  while (temp != 0) {
    if ( (ret = temp->getChildByName( name )))
      return ret;
    temp = temp->nextSibling();
  }
  return 0;
}
 
 
/*
void  KDGanttViewItem::printinfo( TQString s )
{
  KDGanttViewItem* temp =  firstChild();
  while (temp != 0) {
    temp->printinfo("  "+s );
    temp = temp->nextSibling();
  }
}
*/
 
 
bool KDGanttViewItem::subitemIsCalendar() const
{
  KDGanttViewItem*   temp = firstChild();
  bool ret = false;
  while (temp) {
    if (temp->firstChild() || temp->displaySubitemsAsGroup() ) {
      ret = true;
      break;
    }
    temp = temp->nextSibling();
  }
  return ret;
}
 
 
int  KDGanttViewItem::computeHeight()
{
  int hei = 0;
  // if not visible, hide item and all subitems, return height = 0
  if ( !isVisible() ) {
    showItem( false );
    if ( firstChild() )
      firstChild()->hideSubtree();
    // tqDebug("KDGanttViewItem::computeHeight() %s returns 0  ", TQListViewItem::text(0).latin1());
    return 0;
  }
 
  KDGanttViewItem* temp;
  bool show = true;
 
  //  explanation of terms:
  //    display opened item as usual:
  //      display this item opened, display Gantt part on the timeline of this item.
  //      the same for all subitems: display all subitems on its own timeline
  //    display closed item as usual:
  //      display this item closed, display Gantt part on the timeline of this item.
  //      do not display any subitem.
 
  //  desired behaviour:
  //  if not in calendar mode( GanttView is NOT in calendar mode ):
  //    opened:
  //      display opened item as usual
  //    closed:
  //      if not displaySubitemsAsGroup()
  //        display closed item as usual
  //      else (  displaySubitemsAsGroup() == true )
  //        display not this item, display subitems on the timeline of this item
  //  else ( GanttView is in calendar mode )
  //    4 cases:
  //      opened && displaySubitemsAsGroup():
  //        display not this item, display subitems on the timeline of this item,
  //          which have the property displaySubitemsAsGroup() == false
  //        display the other items,
  //           which have the property displaySubitemsAsGroup() == true,
  //           as usual below this item on their own timeline
  //      opened && NOT displaySubitemsAsGroup():
  //        display opened item as usual
  //      closed && displaySubitemsAsGroup():
  //        display not this item, display subitems on the timeline of this item,
  //          which have the property displaySubitemsAsGroup() == false
  //      closed && NOT displaySubitemsAsGroup():
  //        display closed item as usual
  //
  if ( isOpen() ) {
    //tqDebug("KDGanttViewItem::computeHeight() %s is open  ", TQListViewItem::text(0).latin1());
    temp = firstChild();
    // if item opened, iterate over all subitems
    int tempHeight;
    // introduced special for performance reasons
    bool special = displaySubitemsAsGroup() && myGanttView->calendarMode();
    while (temp != 0) {
      tempHeight = temp->computeHeight();
      if ( special ) {
    if ( temp->displaySubitemsAsGroup() ) {
      hei += tempHeight;
      //tqDebug(" hei added ");
    } else {
      temp->showSubitemTree( getCoordY() );
 
    }
      } else {
    hei += tempHeight;
    //tqDebug(" hei added ");
      }
      temp = temp->nextSibling();
    }
  } else { // closed!
    //tqDebug("KDGanttViewItem::computeHeight() %s is closed  ", TQListViewItem::text(0).latin1());
 
    if ( !displaySubitemsAsGroup() ) {
      if ( firstChild() ) {
    firstChild()->hideSubtree();
      }
    } else {
      if ( firstChild() ) {
    showSubitemTree( getCoordY() );
    show =  false ;
      }
    }
 
  }
  if ( show )
     showItem( true );
 
  hei += height();
  //tqDebug("KDGanttViewItem::computeHeight() %s returns:  %d  ", TQListViewItem::text(0).latin1(), hei);
  return hei;
}
 
 
// if this item has at least one subitem which has the property displaySubitemsAsGroup(),
//  a false is returned
bool  KDGanttViewItem::showNoCross()
{
  KDGanttViewItem * temp = firstChild();
  if ( !temp )
    return false;
  while ( temp ) {
    if ( temp->displaySubitemsAsGroup() ) {
      return false;
    }
    temp = temp->nextSibling();
 }
  return true;
}
 
 
void  KDGanttViewItem::paintBranches ( TQPainter* p, const TQColorGroup& cg,
                                       int w, int y, int h )
{
  TQListViewItem::paintBranches (  p,  cg, w,  y,  h);
  if ( !myGanttView->calendarMode() )
    return;
  else {
    KDGanttViewItem * temp = firstChild();
    while ( temp ) {
      if ( temp->showNoCross() ) {
    //tqDebug("paintNoCross %s ", temp->listViewText(0).latin1());
    int y_coord = temp->itemPos() -height ()- itemPos();
    int hei = temp->height();
    //tqDebug(" y %d w %d h %d ", y,w,h);
    //tqDebug("yc %d  hei %d",y_coord,hei );
    myGanttView->myListView->paintemptyarea( p, TQRect( 0,y+y_coord,w,hei));
    int x_c = w/2;
    int y_c = y+y_coord+ temp->height ()/2;
    int y_ce ;
    if ( temp->itemBelow() && temp->itemBelow()->parent() == this )
      y_ce =y+y_coord+ temp->height ();
    else
      y_ce = y_c;
    int i;
    for (i = y+y_coord+1; i <= y_ce; i+=2 ) {
      p->drawPoint( x_c, i );
    }
        for (i = x_c+2; i < w; i+=2 ) {
      p->drawPoint( i, y_c  );
    }
      }
      temp = temp->nextSibling();
    }
  }
}
 
 
// resets the visibility os the subitems according to the setting of calendar mode
void  KDGanttViewItem::resetSubitemVisibility()
{
  KDGanttViewItem* temp;
  temp = firstChild();
  bool allow = false;
  if ( myGanttView->calendarMode() ) {
    // in calendarmode only items can be opened which have subitems which have subitems
    if ( ! temp ) {
      if ( !parent() )
    // has no parent, has no child : show!
    setVisible( true );
      else
    // has parent, has no child : hide!
    setVisible( false );
      return;
    }
    setVisible( true );
    while (temp) {
      if (temp->firstChild()) {
    allow = true;
    temp->resetSubitemVisibility();
      }
      else {
    temp->setVisible(false);
      }
      temp = temp->nextSibling();
    }
  } else {
    setVisible( true );
    // all items can be opened
    allow = true;
    while (temp != 0) {
      temp->resetSubitemVisibility();
      temp = temp->nextSibling();
    }
  }
  if ( !allow && isOpen() )
    setOpen( false );
 
}
 
 
/* removed
void KDGanttViewItem::setIsCalendar( bool cal )
{
    _isCalendar = cal;
    updateCanvasItems();
}
*/
 
/* removed
bool KDGanttViewItem::isCalendar( ) const
{
    return _isCalendar;
}
*/
 
 
TQPoint KDGanttViewItem::middleLeft()
{
    return TQPoint(myGanttView->myTimeHeader->getCoordX(myStartTime), itemPos()+height()/2);
}
TQPoint KDGanttViewItem::middleRight()
{
    return TQPoint(myGanttView->myTimeHeader->getCoordX(myEndTime), itemPos()+height()/2);
}
void KDGanttViewItem::moveTextCanvas(int x, int y)
{
    int mx = x + myTextOffset.x();
    int my = y + myTextOffset.y();
    if (myTextOffset.x() != 0)
        mx -= 2*myItemSize; // keep old behaviour
 
    textCanvas->move(mx+2*myItemSize,my-myItemSize/2);
    //tqDebug("%s: moveTextCanvas(%d,%d) offset: %d,%d moved to  %d,%d",listViewText(0).latin1(),x,y,myTextOffset.x(),myTextOffset.y(),mx+2*myItemSize,my-myItemSize/2);
}
 
void KDGanttViewItem::moveTextCanvas()
{
    TQPoint m = myTextOffset+middleRight();
    textCanvas->move(m.x(), m.y()-myItemSize/2);
}
 
void KDGanttViewItem::setTextOffset(TQPoint p)
{
    //tqDebug("%s: setTextOffset() offset: %d,%d",listViewText(0).latin1(),p.x(),p.y());
    myTextOffset.setX(p.x());
    myTextOffset.setY(p.y());
}
 
bool KDGanttViewItem::isMyTextCanvas(TQCanvasItem *tc)
{
    return tc == textCanvas;
}
 
void KDGanttViewItem::setProgress(int percent)
{
    myProgress = TQMAX(0, percent);
    myProgress = TQMIN(100, myProgress);
}
 
void KDGanttViewItem::setFloatStartTime(const TQDateTime &start)
{
    myFloatStartTime = start;
}
 
void KDGanttViewItem::setFloatEndTime(const TQDateTime &end)
{
    myFloatEndTime = end;
}
 
void KDGanttViewItem::setMoveable(bool m)
{
  _isMoveable = m;
}
 
bool KDGanttViewItem::isMoveable() const
{
  return _isMoveable;
}
 
bool KDGanttViewItem::isResizeable() const
{
  return _isResizeable;
}
 
void KDGanttViewItem::setResizeable(bool r)
{
  _isResizeable = r;
}