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/**
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** @RDE_HEADER@
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** Implementation of rubberband class to define multi point feature geoemtry with arrow
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** $Id$
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** $HeadURL$
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** $Author$
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Hardware-Environment: Intel-PC
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** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
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**
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** Language ........: C++ 11
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Author ...........: Jörg Turla, SPD G, Tel. 3132
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**
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** -----------------------------------------------------------------------------------------------
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**
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** Notes .........:
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**
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** 21.08.2015, JT : First edition for use with Qt5
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**
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** -----------------------------------------------------------------------------------------------
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*/
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#include "rubberband_arrow.h"
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#include "rubberband_frame_handle.h"
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#include "rubberband_line_handle.h"
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#include "rubberband_point_handle.h"
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#include "rubberband_drawable.h"
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#include "drawable_painter_path.h"
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#include "rubberband_internal.h"
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#include "rubberband_base_internal.h"
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namespace SituationMap { namespace RB
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{
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struct RubberbandArrow::InternalData
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{
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SituationMap::RefPointer<RubberbandPointHandle> _arrowHandle;
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SituationMap::RefPointer<DrawablePainterPath> _arrowItem;
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}; /* struct RubberbandArrow::InternalData */
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RubberbandArrow::RubberbandArrow( SituationMap::Map * map, QObject * parent )
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: RubberbandMultiPointFeature(map,parent)
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, _internal(new InternalData)
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, _arrowSceneHalfWidth(0)
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, _arrowSceneLength(0)
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{
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_isClosed = false;
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} /* RubberbandArrow::RubberbandArrow */
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RubberbandArrow::~RubberbandArrow()
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{
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delete _internal;
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_internal = nullptr;
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} /* RubberbandArrow::~RubberbandArrow */
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unsigned int RubberbandArrow::arrowHalfWidth() const { return _arrowSceneHalfWidth; }
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unsigned int RubberbandArrow::arrowLength() const { return _arrowSceneLength; }
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void RubberbandArrow::setCoordinateVector(const QVector<QPointF> & coordinateVec, CoordinateSystem cs )
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{
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setCoordinateVectorArrow( coordinateVec, 0.0, 0.0, cs );
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} /* RubberbandArrow::coordinateVector */
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void RubberbandArrow::setCoordinateVectorArrow(const QVector<QPointF> & coordinateVec, unsigned int arrowHalfWidth, unsigned int arrowLength, CoordinateSystem cs )
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{
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if (coordinateVec.size() < 2) return;
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RubberbandMultiPointFeature::setCoordinateVector( coordinateVec, cs );
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const QPointF & aux = pixel2ScenePosition(arrowHalfWidth,arrowLength);
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_arrowSceneHalfWidth = (unsigned int) aux.x();
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_arrowSceneLength = (unsigned int) aux.y();
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enableModificationState();
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constructArrowHandle();
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_baseInternal->_applyIsPossible = true;
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activateButtons();
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} /* RubberbandArrow::setCoordinateVectorArrow */
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QPointF RubberbandArrow::getArrowHandleScenePosition()
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{
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if (!_arrowSceneLength) _arrowSceneLength = 40;
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if (!_arrowSceneHalfWidth) _arrowSceneHalfWidth = 20;
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QPointF p0 = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-2].get())->getCoordinate()._sceneCoordinate;
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QPointF p1 = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-1].get())->getCoordinate()._sceneCoordinate;
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QPointF rv( p0.x()-p1.x(), p0.y()-p1.y() );
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rv /= sqrt(rv.x()*rv.x()+rv.y()*rv.y());
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return QPointF( p1.x() + rv.x()*_arrowSceneLength - rv.y()*_arrowSceneHalfWidth ,
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p1.y() + rv.y()*_arrowSceneLength + rv.x()*_arrowSceneHalfWidth );
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} /* RubberbandArrow::getArrowHandleScenePosition */
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QPointF RubberbandArrow::getArrowHandlePosition()
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{
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const QPointF & handlePos = getArrowHandleScenePosition();
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RubberbandDrawable::RubberbandCoordinate mapHandlePos(Rubberband::_internal->_mapView, handlePos);
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return QPointF( mapHandlePos._mapCoordinate.x(), mapHandlePos._mapCoordinate.y() );
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} /* RubberbandArrow::getArrowhHandlePosition */
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void RubberbandArrow::constructArrowHandle()
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{
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if (Rubberband::_internal->_handleList.size() < 2) return;
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const QPointF & p = getArrowHandlePosition();
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_internal->_arrowHandle = new RubberbandPointHandle( Rubberband::_internal->_mapView, Rubberband::_internal->_mapScene, p );
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// ensure thate the arrow the arrow size in pixel remain the same size
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connect( _internal->_arrowHandle.get(), &RubberbandHandle::adjusted, this, [this]() {
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this->_internal->_arrowHandle->updateCoordinate( this->getArrowHandleScenePosition() );
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this->updateArrowPath();
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} );
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update();
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} /* RubberbandArrow::constructArrowhHandle */
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void RubberbandArrow::constructArrow( const QPointF & p )
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{
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qreal p0X = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-2].get())->getCoordinate()._sceneCoordinate.x();
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qreal p0Y = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-2].get())->getCoordinate()._sceneCoordinate.y();
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qreal p1X = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-1].get())->getCoordinate()._sceneCoordinate.x();
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qreal p1Y = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-1].get())->getCoordinate()._sceneCoordinate.y();
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QPointF rv10( p0X-p1X , p0Y-p1Y );
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QPointF rv1p( p.x()-p1X, p.y()-p1Y );
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rv10 /= sqrt(rv10.x()*rv10.x()+rv10.y()*rv10.y());
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qreal scalarProduct = QPointF::dotProduct(rv1p, rv10);
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if (scalarProduct > 0.0)
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{
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_internal->_arrowHandle->getCoordinate().updateSceneCoordinate( Rubberband::_internal->_mapView, p );
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_arrowSceneLength = (unsigned int) scalarProduct;
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_arrowSceneHalfWidth = (unsigned int) sqrt( rv1p.x()*rv1p.x()+rv1p.y()*rv1p.y() - scalarProduct*scalarProduct );
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}
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} /* RubberbandArrow::constructArrow */
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void RubberbandArrow::updateHandleScenePosition()
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{
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if (!_internal->_arrowHandle) return;
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QPointF pos = getArrowHandleScenePosition();
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_internal->_arrowHandle->updateCoordinate( pos );
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} /* RubberbandArrow::updateHandleScenePosition */
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void RubberbandArrow::updateArrowPath()
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{
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if (!_internal->_arrowHandle) return;
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if (Rubberband::_internal->_handleList.size() < 2) return;
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const QPointF & p0 = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-2].get())->getCoordinate()._sceneCoordinate;
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const QPointF & p1 = static_cast<RubberbandPointHandle*>(Rubberband::_internal->_handleList.end()[-1].get())->getCoordinate()._sceneCoordinate;
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const QPointF & p = _internal->_arrowHandle->getCoordinate()._sceneCoordinate;
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QPointF rv( p0.x()-p1.x(), p0.y()-p1.y() );
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rv /= sqrt(rv.x()*rv.x()+rv.y()*rv.y());
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if (!_internal->_arrowItem)
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{
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_internal->_arrowItem = new DrawablePainterPath( Rubberband::_internal->_mapView );
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_internal->_arrowItem -> enableClosedLine( true );
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_internal->_arrowItem -> fillSolid( true );
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_internal->_arrowItem -> zBufferPlane( RubberbandDrawable::ZBufferPlane::ArrowSymbol );
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}
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QVector<QPointF> arrowPath;
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arrowPath.append( p1 );
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arrowPath.append( p );
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arrowPath.append( QPointF( p1.x() + rv.x()*_arrowSceneLength + rv.y()*_arrowSceneHalfWidth
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, p1.y() + rv.y()*_arrowSceneLength - rv.x()*_arrowSceneHalfWidth ) );
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_internal->_arrowItem -> setPath( arrowPath );
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RubberbandFrameHandle * frameHandle = getFrameHandle();
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if (frameHandle)
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{
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QVector<RubberbandHandle::RubberbandCoordinate> vertexSet;
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for (auto handle : qAsConst(Rubberband::_internal->_handleList))
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{
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RubberbandPointHandle * pointHandlePtr = dynamic_cast<RubberbandPointHandle*>(handle.get());
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vertexSet.append(pointHandlePtr->getCoordinate() );
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}
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vertexSet.append( _internal->_arrowHandle->getCoordinate() );
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vertexSet.append( RubberbandDrawable::RubberbandCoordinate(Rubberband::_internal->_mapView,p) );
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frameHandle->updateFrameShape( vertexSet );
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}
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} /* RubberbandArrow::updateArrowPath */
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bool RubberbandArrow::selectAction( AbstractEventDispatcher * causer, int x, int y )
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{
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Q_UNUSED(causer);
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if (!rubberbandIsAlive()) return false;
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bool eventHandled = false;
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QPointF scenePos(pixel2ScenePosition(x,y));
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if (_baseInternal->buttonProxyActive(scenePos)) return false;
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_baseInternal->_lastClickPosition = scenePos;
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if (isEnabledConstructionState()) return RubberbandMultiPointFeature::selectAction(causer,x,y);
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if (_internal->_arrowHandle->isPositionInside(scenePos))
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{
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_internal->_arrowHandle->setSelection();
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eventHandled = true;
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}
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else eventHandled = selectHandles( x, y, scenePos );
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if (eventHandled)
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{
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update();
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deactivateButtons();
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}
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return eventHandled;
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} /* RubberbandArrow::selectAction */
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bool RubberbandArrow::setCoordinateAction(AbstractEventDispatcher * causer, int x, int y)
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{
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Q_UNUSED(causer);
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if (!rubberbandIsAlive()) return false;
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bool eventHandled = false;
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QPointF scenePos(pixel2ScenePosition(x,y));
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Rubberband::_internal->_lastClickPosition = scenePos;
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if (isEnabledConstructionState()) return RubberbandMultiPointFeature::setCoordinateAction(causer, x, y);
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if (_internal->_arrowHandle->isSelected())
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{
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_internal->_arrowHandle->setSelection(false);
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constructArrow(scenePos);
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eventHandled = true;
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}
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else return RubberbandMultiPointFeature::setCoordinateAction(causer, x, y);
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if (eventHandled) update();
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updateButtonPosition();
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activateButtons();
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return eventHandled;
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} /* RubberbandArrow::setCoordinateAction */
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bool RubberbandArrow::movePickedAction(AbstractEventDispatcher * causer, int x, int y )
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{
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if (!rubberbandIsAlive()) return false;
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if ((_internal->_arrowHandle) && (_internal->_arrowHandle->isSelected()))
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{
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QPointF scenePos(pixel2ScenePosition(x,y));
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constructArrow( scenePos );
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update();
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return false;
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}
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return RubberbandMultiPointFeature::movePickedAction(causer,x,y);
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} /* RubberbandArrow::movePickedAction */
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bool RubberbandArrow::moveAction(AbstractEventDispatcher * causer, int x, int y)
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{
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QPointF scenePos(pixel2ScenePosition(x,y));
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if (_internal->_arrowHandle)
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{
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if (_internal->_arrowHandle->isPositionInside(scenePos))
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{
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_internal->_arrowHandle->setSelection(true);
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return false;
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}
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_internal->_arrowHandle->setSelection(false);
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}
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return RubberbandMultiPointFeature::moveAction(causer,x,y);
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} /* RubberbandArrow::moveAction */
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bool RubberbandArrow::completeStateAction(AbstractEventDispatcher * causer, int x, int y)
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{
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if ((rubberbandIsAlive()) && (Rubberband::_internal->_mapView) && (Rubberband::_internal->_mapScene))
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{
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if (isEnabledConstructionState())
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{
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if ((unsigned int)Rubberband::_internal->_handleList.size() >= _minimumPointCount)
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{
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constructArrowHandle();
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}
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update();
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}
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}
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return RubberbandMultiPointFeature::completeStateAction(causer,x,y);;
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} /* RubberbandArrow::completeStateAction */
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void RubberbandArrow::update()
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{
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_isClosed = false;
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RubberbandMultiPointFeature::update();
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if (_internal->_arrowHandle)
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{
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_internal->_arrowHandle -> setDrawColor(_handleDrawColor );
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_internal->_arrowHandle -> setFillColor(_handleFillColor );
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_internal->_arrowHandle -> setSelectionColor(_handleSelectionColor );
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_internal->_arrowHandle -> setPickingRatio( _pickingRatio );
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updateHandleScenePosition();
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updateArrowPath();
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}
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} /* RubberbandArrow::update */
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} } /* namespace SituationMap::RB */
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