valentina/tools/vtoolsplinepath.cpp

#include "vtoolsplinepath.h"
#include <QMenu>

VToolSplinePath::VToolSplinePath(VDomDocument *doc, VContainer *data, qint64 id, Tool::Enum typeCreation,
                                 QGraphicsItem *parent):VAbstractTool(doc, data, id),
    QGraphicsPathItem(parent){
    VSplinePath splPath = data->GetSplinePath(id);
    QPainterPath path;
    path.addPath(splPath.GetPath());
    path.setFillRule( Qt::WindingFill );
    this->setPath(path);
    this->setPen(QPen(Qt::black, widthHairLine));
    this->setFlag(QGraphicsItem::ItemIsSelectable, true);
    this->setAcceptHoverEvents(true);

    for(qint32 i = 1; i<=splPath.Count(); ++i){
        VSpline spl = splPath.GetSpline(i);
        VControlPointSpline *controlPoint = new VControlPointSpline(i, SplinePoint::FirstPoint, spl.GetP2(),
                                                                     spl.GetPointP1(), this);
        connect(controlPoint, &VControlPointSpline::ControlPointChangePosition, this,
                &VToolSplinePath::ControlPointChangePosition);
        connect(this, &VToolSplinePath::RefreshLine, controlPoint, &VControlPointSpline::RefreshLine);
        connect(this, &VToolSplinePath::setEnabledPoint, controlPoint, &VControlPointSpline::setEnabledPoint);
        controlPoints.append(controlPoint);

        controlPoint = new VControlPointSpline(i, SplinePoint::LastPoint, spl.GetP3(),spl.GetPointP4(), this);
        connect(controlPoint, &VControlPointSpline::ControlPointChangePosition, this,
                &VToolSplinePath::ControlPointChangePosition);
        connect(this, &VToolSplinePath::RefreshLine, controlPoint, &VControlPointSpline::RefreshLine);
        connect(this, &VToolSplinePath::setEnabledPoint, controlPoint, &VControlPointSpline::setEnabledPoint);
        controlPoints.append(controlPoint);
    }

    if(typeCreation == Tool::FromGui){
        AddToFile();
    }
}

void VToolSplinePath::FullUpdateFromFile(){
    RefreshGeometry();
}

void VToolSplinePath::FullUpdateFromGui(int result){
    if(result == QDialog::Accepted){
        VSplinePath splPath = dialogSplinePath->GetPath();
        for(qint32 i = 1; i<=splPath.Count(); ++i){
            VSpline spl = splPath.GetSpline(i);
            qint32 j = i*2;
            disconnect(controlPoints[j-2], &VControlPointSpline::ControlPointChangePosition, this,
                    &VToolSplinePath::ControlPointChangePosition);
            disconnect(controlPoints[j-1], &VControlPointSpline::ControlPointChangePosition, this,
                    &VToolSplinePath::ControlPointChangePosition);
            controlPoints[j-2]->setPos(spl.GetP2());
            controlPoints[j-1]->setPos(spl.GetP3());
            connect(controlPoints[j-2], &VControlPointSpline::ControlPointChangePosition, this,
                    &VToolSplinePath::ControlPointChangePosition);
            connect(controlPoints[j-1], &VControlPointSpline::ControlPointChangePosition, this,
                    &VToolSplinePath::ControlPointChangePosition);

            spl = VSpline (VAbstractTool::data->DataPoints(), spl.GetP1(),  controlPoints[j-2]->pos(),
                           controlPoints[j-1]->pos(), spl.GetP4(), splPath.getKCurve());
            CorectControlPoints(spl, splPath, i-1, i, SplinePoint::FirstPoint);
            CorectControlPoints(spl, splPath, i, i, SplinePoint::LastPoint);

            QDomElement domElement = doc->elementById(QString().setNum(id));
            if(domElement.isElement()){
                domElement.setAttribute("kCurve", QString().setNum(splPath.getKCurve()));
                UpdatePathPoint(domElement, splPath);
                emit FullUpdateTree();
            }

        }
    }
    dialogSplinePath.clear();
}

void VToolSplinePath::ControlPointChangePosition(const qint32 &indexSpline, SplinePoint::Position position,
                                                 const QPointF pos)
{
    qint32 index = 0;
    VSplinePath splPath = VAbstractTool::data->GetSplinePath(id);
    VSpline spl = splPath.GetSpline(indexSpline);
    if(position == SplinePoint::FirstPoint){
        spl.ModifiSpl (spl.GetP1(), pos, spl.GetP3(), spl.GetP4(), spl.GetKcurve());
        index = indexSpline - 1;
    } else {
        spl.ModifiSpl (spl.GetP1(), spl.GetP2(), pos, spl.GetP4(), spl.GetKcurve());
        index = indexSpline;
    }

    CorectControlPoints(spl, splPath, index, indexSpline, position);
    QDomElement domElement = doc->elementById(QString().setNum(id));
    if(domElement.isElement()){
        domElement.setAttribute("kCurve", QString().setNum(splPath.getKCurve()));
        UpdatePathPoint(domElement, splPath);
        emit FullUpdateTree();
    }
}

void VToolSplinePath::CorectControlPoints(const VSpline &spl, VSplinePath &splPath, qint32 index,
                                          const qint32 &indexSpline, SplinePoint::Position position){
    VSplinePoint p = splPath.GetSplinePoint(indexSpline, SplinePoint::FirstPoint);
    p.SetAngle(spl.GetAngle1());
    p.SetKAsm2(spl.GetKasm1());
    splPath.UpdatePoint(indexSpline, SplinePoint::FirstPoint, p);

    p = splPath.GetSplinePoint(indexSpline, SplinePoint::LastPoint);
    p.SetAngle(spl.GetAngle2()-180);
    p.SetKAsm1(spl.GetKasm2());
    splPath.UpdatePoint(indexSpline, SplinePoint::LastPoint, p);

    if(index > 0 && index < splPath.CountPoint()-1){
        if(position == SplinePoint::FirstPoint){
            VSpline spl = splPath.GetSpline(indexSpline-1);
            qint32 i = (indexSpline-1)*2-1;
            disconnect(controlPoints[i], &VControlPointSpline::ControlPointChangePosition, this,
                       &VToolSplinePath::ControlPointChangePosition);
            controlPoints[i]->setPos(spl.GetP3());
            connect(controlPoints[i], &VControlPointSpline::ControlPointChangePosition, this,
                    &VToolSplinePath::ControlPointChangePosition);
        } else {
            VSpline spl = splPath.GetSpline(indexSpline+1);
            qint32 i = (indexSpline+1)*2-2;
            disconnect(controlPoints[i], &VControlPointSpline::ControlPointChangePosition, this,
                       &VToolSplinePath::ControlPointChangePosition);
            controlPoints[i]->setPos(spl.GetP2());
            connect(controlPoints[i], &VControlPointSpline::ControlPointChangePosition, this,
                    &VToolSplinePath::ControlPointChangePosition);
        }
    }
}

void VToolSplinePath::UpdatePathPoint(QDomNode& node, VSplinePath &path){
    QDomNodeList nodeList = node.childNodes();
    qint32 num = nodeList.size();
    for(qint32 i = 0; i < num; ++i){
        QDomElement domElement = nodeList.at(i).toElement();
        if(!domElement.isNull()){
            VSplinePoint p = path[i];
            domElement.setAttribute("pSpline", QString().setNum(p.P()));
            domElement.setAttribute("kAsm1", QString().setNum(p.KAsm1()));
            domElement.setAttribute("kAsm2", QString().setNum(p.KAsm2()));
            domElement.setAttribute("angle", QString().setNum(p.Angle2()));
        }
    }
}

void VToolSplinePath::ChangedActivDraw(const QString newName){
    if(nameActivDraw == newName){
        this->setPen(QPen(Qt::black, widthHairLine));
        this->setFlag(QGraphicsItem::ItemIsSelectable, true);
        this->setAcceptHoverEvents(true);
        emit setEnabledPoint(true);
        VAbstractTool::ChangedActivDraw(newName);
    } else {
        this->setPen(QPen(Qt::gray, widthHairLine));
        this->setFlag(QGraphicsItem::ItemIsSelectable, false);
        this->setAcceptHoverEvents (false);
        emit setEnabledPoint(false);
        VAbstractTool::ChangedActivDraw(newName);
    }
}

void VToolSplinePath::contextMenuEvent(QGraphicsSceneContextMenuEvent *event){
    if(!ignoreContextMenuEvent){
        QMenu menu;
        QAction *actionOption = menu.addAction("Властивості");
        QAction *selectedAction = menu.exec(event->screenPos());
        if(selectedAction == actionOption){
            dialogSplinePath = QSharedPointer<DialogSplinePath>(new DialogSplinePath(VAbstractTool::data));

            connect(qobject_cast< VMainGraphicsScene * >(this->scene()), &VMainGraphicsScene::ChoosedObject,
                    dialogSplinePath.data(), &DialogSplinePath::ChoosedObject);
            connect(dialogSplinePath.data(), &DialogSplinePath::DialogClosed, this,
                    &VToolSplinePath::FullUpdateFromGui);

            VSplinePath splPath = VAbstractTool::data->GetSplinePath(id);
            dialogSplinePath->SetPath(splPath);
            dialogSplinePath->show();
        }
    }
}

void VToolSplinePath::AddToFile(){
    VSplinePath splPath = VAbstractTool::data->GetSplinePath(id);
    QDomElement domElement = doc->createElement("spline");

    AddAttribute(domElement, "id", id);
    AddAttribute(domElement, "type", "path");
    AddAttribute(domElement, "kCurve", splPath.getKCurve());

    for(qint32 i = 0; i < splPath.CountPoint(); ++i){
        AddPathPoint(domElement, splPath[i]);
    }

    AddToCalculation(domElement);
}

void VToolSplinePath::AddPathPoint(QDomElement &domElement, const VSplinePoint &splPoint){
    QDomElement pathPoint = doc->createElement("pathPoint");

    AddAttribute(pathPoint, "pSpline", splPoint.P());
    AddAttribute(pathPoint, "kAsm1", splPoint.KAsm1());
    AddAttribute(pathPoint, "kAsm2", splPoint.KAsm2());
    AddAttribute(pathPoint, "angle", splPoint.Angle2());

    domElement.appendChild(pathPoint);
}

void VToolSplinePath::mouseReleaseEvent(QGraphicsSceneMouseEvent *event){
    if(event->button() == Qt::LeftButton){
        emit ChoosedTool(id, Scene::SplinePath);
    }
    QGraphicsItem::mouseReleaseEvent(event);
}

void VToolSplinePath::hoverMoveEvent(QGraphicsSceneHoverEvent *event){
    Q_UNUSED(event);
    this->setPen(QPen(Qt::black, widthMainLine));
}

void VToolSplinePath::hoverLeaveEvent(QGraphicsSceneHoverEvent *event){
    Q_UNUSED(event);
    this->setPen(QPen(Qt::black, widthHairLine));
}

void VToolSplinePath::RefreshGeometry(){
    VSplinePath splPath = VAbstractTool::data->GetSplinePath(id);
    QPainterPath path;
    path.addPath(splPath.GetPath());
    path.setFillRule( Qt::WindingFill );
    this->setPath(path);
    for(qint32 i = 1; i<=splPath.Count(); ++i){
        VSpline spl = splPath.GetSpline(i);
        QPointF splinePoint = VAbstractTool::data->GetPoint(spl.GetP1());
        QPointF controlPoint = spl.GetP2();
        emit RefreshLine(i, SplinePoint::FirstPoint, controlPoint, splinePoint);
        splinePoint = VAbstractTool::data->GetPoint(spl.GetP4());
        controlPoint = spl.GetP3();
        emit RefreshLine(i, SplinePoint::LastPoint, controlPoint, splinePoint);
    }

}