nodeeditor/src/Node.cpp at hahaton · DigitalPulseSoftware/nodeeditor · GitHub

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#include "Node.hpp"

#include <QtCore/QObject>

#include <iostream>

#include "FlowScene.hpp"

#include "NodeGraphicsObject.hpp"

#include "NodeDataModel.hpp"

#include "ConnectionGraphicsObject.hpp"

#include "ConnectionState.hpp"

using QtNodes::Node;

using QtNodes::NodeGeometry;

using QtNodes::NodeState;

using QtNodes::NodeData;

using QtNodes::NodeDataType;

using QtNodes::NodeDataModel;

using QtNodes::NodeGraphicsObject;

using QtNodes::PortIndex;

using QtNodes::PortType;

Node::

Node(std::unique_ptr<NodeDataModel> && dataModel)

: _id(QUuid::createUuid())

, _nodeDataModel(std::move(dataModel))

, _nodeState(_nodeDataModel)

, _nodeGeometry(_nodeDataModel)

, _nodeGraphicsObject(nullptr)

{

_nodeGeometry.recalculateSize();

// propagate data: model => node

connect(_nodeDataModel.get(), &NodeDataModel::dataUpdated,

this, &Node::onDataUpdated);

}

Node::

~Node() {}

QJsonObject

Node::

save() const

{

QJsonObject nodeJson;

nodeJson["id"] = _id.toString();

nodeJson["model"] = _nodeDataModel->save();

QJsonObject obj;

obj["x"] = _nodeGraphicsObject->pos().x();

obj["y"] = _nodeGraphicsObject->pos().y();

nodeJson["position"] = obj;

return nodeJson;

}

void

Node::

restore(QJsonObject const& json)

{

_id = QUuid(json["id"].toString());

QJsonObject positionJson = json["position"].toObject();

QPointF point(positionJson["x"].toDouble(),

positionJson["y"].toDouble());

_nodeGraphicsObject->setPos(point);

_nodeDataModel->restore(json["model"].toObject());

}

QUuid

Node::

id() const

{

return _id;

}

void

Node::

reactToPossibleConnection(PortType reactingPortType,

NodeDataType reactingDataType,

QPointF const &scenePoint)

{

QTransform const t = _nodeGraphicsObject->sceneTransform();

QPointF p = t.inverted().map(scenePoint);

_nodeGeometry.setDraggingPosition(p);

_nodeGraphicsObject->update();

_nodeState.setReaction(NodeState::REACTING,

reactingPortType,

reactingDataType);

}

void

Node::

resetReactionToConnection()

{

_nodeState.setReaction(NodeState::NOT_REACTING);

_nodeGraphicsObject->update();

}

NodeGraphicsObject const &

Node::

nodeGraphicsObject() const

{

return *_nodeGraphicsObject.get();

}

NodeGraphicsObject &

Node::

nodeGraphicsObject()

{

return *_nodeGraphicsObject.get();

}

void

Node::

setGraphicsObject(std::unique_ptr<NodeGraphicsObject>&& graphics)

{

_nodeGraphicsObject = std::move(graphics);

_nodeGeometry.recalculateSize();

}

NodeGeometry&

Node::

nodeGeometry()

{

return _nodeGeometry;

}

NodeGeometry const&

Node::

nodeGeometry() const

{

return _nodeGeometry;

}

NodeState const &

Node::

nodeState() const

{

return _nodeState;

}

NodeState &

Node::

nodeState()

{

return _nodeState;

}

NodeDataModel*

Node::

nodeDataModel() const

{

return _nodeDataModel.get();

}

void

Node::

propagateData(std::shared_ptr<NodeData> nodeData,

PortIndex inPortIndex) const

{

_nodeDataModel->setInData(nodeData, inPortIndex);

//Recalculate the nodes visuals. A data change can result in the node taking more space than before, so this forces a recalculate+repaint on the affected node

_nodeGraphicsObject->setGeometryChanged();

_nodeGeometry.recalculateSize();

_nodeGraphicsObject->update();

_nodeGraphicsObject->moveConnections();

}

void

Node::

onDataUpdated(PortIndex index)

{

auto nodeData = _nodeDataModel->outData(index);

auto connections =

_nodeState.connections(PortType::Out, index);

for (auto const & c : connections)

c.second->propagateData(nodeData);

}

nodeeditor/src/Node.cpp at hahaton · DigitalPulseSoftware/nodeeditor · GitHub

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