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//
// C++ Implementation: ArrowGraphicsItem
//
// Description:
//
//
// Author: Thibaut GRIDEL <tgridel@free.fr>
//
// Copyright (c) 2011-2015 Thibaut GRIDEL
//
// 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 3 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 <http://www.gnu.org/licenses/>.
//
//
#include "arrow.h"
#include "commontypes.h"
#include "situationscene.h"
#include "windmodel.h"
#include <QPainter>
#include <QGraphicsScene>
#include <iostream>
#include <cmath>
extern int debugLevel;
ArrowGraphicsItem::ArrowGraphicsItem(WindModel *wind, QGraphicsItem *parent)
: QGraphicsItem(parent),
m_wind(wind) {
setFlag(QGraphicsItem::ItemIsMovable);
setFlag(QGraphicsItem::ItemIsSelectable);
setVisible(wind->visible());
setPosition(wind->position());
setZValue(0);
m_path.moveTo(-15,-15);
m_path.lineTo(15,-15);
m_path.lineTo(15,0);
m_path.lineTo(25,0);
m_path.lineTo(0,17);
m_path.lineTo(-25,0);
m_path.lineTo(-15,0);
m_path.lineTo(-15,-15);
connect(wind, SIGNAL(windVisibleChanged(bool)),
this, SLOT(deleteItem(bool)));
connect(wind, SIGNAL(positionChanged(QPointF)),
this, SLOT(setPosition(QPointF)));
connect(wind, SIGNAL(directionChanged(qreal)),
this, SLOT(setHeading(qreal)));
connect(wind, SIGNAL(windReset()),
this, SLOT(resetArrow()));
}
ArrowGraphicsItem::~ArrowGraphicsItem() {}
void ArrowGraphicsItem::resetArrow() {
setHeading(m_wind->windAt(0));
}
void ArrowGraphicsItem::setHeading(qreal value) {
m_angle = value;
prepareGeometryChange();
setRotation(m_angle);
update();
}
void ArrowGraphicsItem::setPosition(QPointF position) {
prepareGeometryChange();
setPos(position);
update();
}
void ArrowGraphicsItem::deleteItem(bool visible) {
if(!visible) {
if (debugLevel & 1 << VIEW) std::cout << "deleting ArrowGraphicsItem for model" << m_wind << std::endl;
scene()->removeItem(this);
delete this;
}
}
QRectF ArrowGraphicsItem::boundingRect() const {
return QRectF(-25,-15,50,32);
}
QPainterPath ArrowGraphicsItem::shape() const {
return m_path;
}
void ArrowGraphicsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget) {
Q_UNUSED(option);
Q_UNUSED(widget);
if (isSelected())
painter->setPen(Qt::red);
else
painter->setPen(Qt::black);
painter->setBrush(QColor(191,191,255,255));
painter->drawPath(m_path);
QString label = tr("Wind");
painter->setPen(Qt::black);
painter->drawText(QRectF(-15,-15,30,15),Qt::AlignCenter,label);
}
int ArrowGraphicsItem::type() const {
return ARROW_TYPE;
}
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