File indexing completed on 2024-05-12 15:54:22

 /*
  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
  *
  * This file is part of the KGantt library.
  *
  * 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, see <https://www.gnu.org/licenses/>.
  */
 
 #include "kganttconstraintgraphicsitem.h"
 #include "kganttconstraintmodel.h"
 #include "kganttgraphicsscene.h"
 #include "kganttitemdelegate.h"
 #include "kganttsummaryhandlingproxymodel.h"
 
 #include <QPainter>
 #include <QApplication>
 #include <QDebug>
 
 using namespace KGantt;
 
 
 ConstraintGraphicsItem::ConstraintGraphicsItem( const Constraint& c, QGraphicsItem* parent, GraphicsScene* scene )
     : QGraphicsItem( parent ),  m_constraint( c )
 {
     if ( scene )
         scene->addItem( this );
     setPos( QPointF( 0., 0. ) );
     setAcceptHoverEvents( false );
     setAcceptedMouseButtons( Qt::NoButton );
     setZValue( 10. );
 }
 
 ConstraintGraphicsItem::~ConstraintGraphicsItem()
 {
 }
 
 int ConstraintGraphicsItem::type() const
 {
     return Type;
 }
 
 GraphicsScene* ConstraintGraphicsItem::scene() const
 {
     return qobject_cast<GraphicsScene*>( QGraphicsItem::scene() );
 }
 
 Constraint ConstraintGraphicsItem::proxyConstraint() const
 {
     return Constraint( scene()->summaryHandlingModel()->mapFromSource( m_constraint.startIndex() ),
                        scene()->summaryHandlingModel()->mapFromSource( m_constraint.endIndex() ),
                        m_constraint.type(), m_constraint.relationType(), m_constraint.dataMap() );
 }
 
 QRectF ConstraintGraphicsItem::boundingRect() const
 {
     return scene()->itemDelegate()->constraintBoundingRect( m_start, m_end, m_constraint );
 }
 
 void ConstraintGraphicsItem::paint( QPainter* painter, const QStyleOptionGraphicsItem* option,
                                     QWidget* widget )
 {
     Q_UNUSED( widget );
     //qDebug() << "ConstraintGraphicsItem::paint(...), c=" << m_constraint;
     QStyleOptionGraphicsItem opt = *option;
     if (widget) {
         opt.palette = widget->palette();
     }else {
         opt.palette = QApplication::palette();
     }
     scene()->itemDelegate()->paintConstraintItem( painter, opt, m_start, m_end, m_constraint );
 }
 
 QString ConstraintGraphicsItem::ganttToolTip() const
 {
     return m_constraint.data( Qt::ToolTipRole ).toString();
 }
 
 void ConstraintGraphicsItem::setStart( const QPointF& start )
 {
     prepareGeometryChange();
     m_start = start;
     update();
 }
 
 void ConstraintGraphicsItem::setEnd( const QPointF& end )
 {
     prepareGeometryChange();
     m_end = end;
     update();
 }
 
 void ConstraintGraphicsItem::updateItem( const QPointF& start,const QPointF& end )
 {
     setStart( start );
     setEnd( end );
 }