KDGanttViewEventItem.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 "KDGanttViewEventItem.h"
#include "KDGanttViewSubwidgets.h"
#include "itemAttributeDialog.h"
 
KDGanttViewEventItem::KDGanttViewEventItem( KDGanttView* view,
                                            const TQString& lvtext,
                                            const TQString& name ) :
    KDGanttViewItem( Event, view, lvtext, name )
{
  initItem();
}
 
 
KDGanttViewEventItem::KDGanttViewEventItem( KDGanttViewItem* parent,
                                            const TQString& lvtext,
                                            const TQString& name ) :
    KDGanttViewItem( Event, parent, lvtext, name )
{
 initItem();
 
}
 
 
KDGanttViewEventItem::KDGanttViewEventItem( KDGanttView* view,
                                            KDGanttViewItem* after,
                                            const TQString& lvtext,
                                            const TQString& name ) :
    KDGanttViewItem( Event, view, after, lvtext, name )
{
 
  initItem();
}
 
 
KDGanttViewEventItem::KDGanttViewEventItem( KDGanttViewItem* parent,
                                            KDGanttViewItem* after,
                                            const TQString& lvtext,
                                            const TQString& name ) :
    KDGanttViewItem( Event, parent, after, lvtext, name )
{
 
  initItem();
}
 
 
KDGanttViewEventItem::~KDGanttViewEventItem()
{
 
 
}
void KDGanttViewEventItem::setStartTime( const TQDateTime& start )
{
  if (! start.isValid() ) {
    tqDebug("KDGanttViewEventItem::setStartTime():Invalid parameter-no time set");
    return;
  }
    myStartTime = start;
    myEndTime = start;
    if ( myStartTime < leadTime() )
      setLeadTime( myStartTime );
    else {
      updateCanvasItems();
    }
 
}
 
 
void KDGanttViewEventItem::setLeadTime( const TQDateTime& leadTimeStart )
{
  if (!myLeadTime) myLeadTime = new TQDateTime;
  *myLeadTime =  leadTimeStart;
  if ( startTime() < leadTime() )
      setStartTime( leadTimeStart );
  else {
    updateCanvasItems();
  }
 
}
 
 
TQDateTime KDGanttViewEventItem::leadTime() const
{
  if(myLeadTime)
    return *myLeadTime;
  return myStartTime;
}
 
 
void KDGanttViewEventItem::hideMe()
{
    startShape->hide();
    startShapeBack->hide();
    startLine->hide();
    startLineBack->hide();
    textCanvas->hide();
    floatStartShape->hide();
    floatEndShape->hide();
}
 
 
void KDGanttViewEventItem::showItem(bool show, int coordY)
{
  isVisibleInGanttView = show;
  invalidateHeight () ;
  if (!show) {
    hideMe();
    return;
  }
  float prio = ((float) ( priority() - 100 )) / 100.0;
  startShape->setZ( prio + 0.0055 );
  startShapeBack->setZ( prio + 0.003 );
  startLine->setZ( prio + 0.0015  );
  floatStartShape->setZ(prio + 0.004);
  floatStartShape->hide();
  floatEndShape->setZ(prio + 0.004);
  floatEndShape->hide();
  textCanvas->setZ( prio + 0.006 );
  startLineBack->setZ( prio );
 
  if ( displaySubitemsAsGroup() && firstChild() ) {
    myStartTime = myChildStartTime();
    myEndTime = myChildEndTime();
  }
  int startX, endX, allY;
  if ( coordY )
    allY = coordY;
  else
    allY = getCoordY();
  startX = myGanttView->myTimeHeader->getCoordX(myStartTime);
  if (myLeadTime) {
    endX = myGanttView->myTimeHeader->getCoordX(*myLeadTime);
    startLine->setPoints(startX,allY,endX,allY);
    startLine->show();
    startLineBack->setPoints(startX+1,allY,endX-1,allY);
    startLineBack->show();
  }
  else {
    startLine->hide();
    startLineBack->hide();
  }
  startShape->move(startX,allY);
  startShape->show();
  startShapeBack->move(startX,allY);
  startShapeBack->show();
  if (myFloatStartTime.isValid()) {
    KDCanvasRectangle* floatStartTemp = (KDCanvasRectangle*) floatStartShape;
    int floatStartX = myGanttView->myTimeHeader->getCoordX(myFloatStartTime);
    int hei = startShape->boundingRect().height();
    // FIXME: Configurable colors
    TQBrush b(startShape->brush().color(), Dense4Pattern);
    floatStartTemp->setBrush(b);
    floatStartTemp->setPen(TQPen(gray));
    if (floatStartX < startX) {
        floatStartTemp->setSize(startX - floatStartX, hei/2);
        floatStartTemp->move(floatStartX, allY-hei/4);
    } else {
        floatStartTemp->setSize(floatStartX - startX, hei/2);
        floatStartTemp->move(startX, allY-hei/4);
    }
    floatStartShape->show();    
  }
  if (myFloatEndTime.isValid()) {
    KDCanvasRectangle* floatEndTemp = (KDCanvasRectangle*) floatEndShape;
    int floatEndX = myGanttView->myTimeHeader->getCoordX(myFloatEndTime);
    int hei = startShape->boundingRect().height();
    // FIXME: Configurable colors
    TQBrush b(startShape->brush().color(), Dense4Pattern);
    floatEndTemp->setBrush(b);
    floatEndTemp->setPen(TQPen(gray));
    if (floatEndX > startX) {
        floatEndTemp->setSize(floatEndX - startX, hei/2);
        floatEndTemp->move(startX, allY-hei/4);
    } else {
        floatEndTemp->setSize(startX - floatEndX, hei/2);
        floatEndTemp->move(floatEndX, allY-hei/4);
    }
    floatEndShape->show();    
   }
 
  moveTextCanvas(startX,allY);
  textCanvas->show();
  if (textCanvas->text().isEmpty())
    textCanvas->hide();
}
 
 
void KDGanttViewEventItem::initItem()
{
  isVisibleInGanttView = false;
  myLeadTime = 0;
  showItem(true);
  myGanttView->myTimeTable->updateMyContent();
  setDragEnabled( myGanttView->dragEnabled() );
  setDropEnabled( myGanttView->dropEnabled() );
}