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#include "connection.h"
using namespace coreview;
void Connector::setPos(qreal x, qreal y) {
qx = x;
qy = y;
emit updated();
}
qreal Connector::x() const {
return qx;
}
qreal Connector::y() const {
return qy;
}
QPointF Connector::point() const {
return QPointF(qx, qy);
}
Connection::Connection(const Connector *a, const Connector *b) : QGraphicsObject(nullptr) {
connect(a, SIGNAL(updated()), this, SLOT(moved()));
connect(b, SIGNAL(updated()), this, SLOT(moved()));
this->a = a;
this->b = b;
update_pos();
}
void Connection::setHasText(bool has) {
if (has && value == nullptr) {
value = new QGraphicsSimpleTextItem(this);
value->setText(text);
} else if (!has && value != nullptr) {
delete value;
}
update_pos();
}
void Connection::setText(QString val) {
text = val;
if (value != nullptr)
value->setText(val);
}
void Connection::moved() {
update_pos();
}
QRectF Connection::boundingRect() const {
QRectF rect;
for (int i = 0; i < (points.size() - 1); i++) {
qreal x = points[i].x();
if (x > points[i+1].x())
x = points[i+1].x();
qreal y = points[i].y();
if (y > points[i+1].y())
y = points[i+1].y();
// TODO pen width
rect.united(QRectF(x - 0.5, y - 0.5, fabs(points[i].x() - points[i+1].x()) + 1, fabs(points[i].y() - points[i+1].y()) + 1));
}
//return rect;
return QRectF(0, 0, 300, 300);
}
void Connection::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
for (int i = 0; i < (points.size() - 1); i++)
painter->drawLine(points[i], points[i+1]);
// TODO meaby use QPath instead?
}
void Connection::update_pos() {
points.clear();
points.append(a->point());
points.append(b->point());
// TODO more than one line
// TODO update position of value
}
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