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Davide Faconti
a8264e391d
* removed NodeDataModel::clone(), using a more classic Factory/Builder pattern. * trying to make visual studio happy * Allow the DataModelRegistry to use static method Name() if defined * use modern type_traits
144 lines
2.2 KiB
C++
144 lines
2.2 KiB
C++
#pragma once
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#include <QtWidgets/QWidget>
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#include "PortType.hpp"
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#include "NodeData.hpp"
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#include "Serializable.hpp"
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#include "NodeGeometry.hpp"
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#include "NodeStyle.hpp"
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#include "NodePainterDelegate.hpp"
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#include "Export.hpp"
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#include "memory.hpp"
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namespace QtNodes
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{
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enum class NodeValidationState
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{
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Valid,
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Warning,
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Error
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};
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class StyleCollection;
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class NODE_EDITOR_PUBLIC NodeDataModel
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: public QObject
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, public Serializable
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{
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Q_OBJECT
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public:
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NodeDataModel();
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virtual
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~NodeDataModel() = default;
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/// Caption is used in GUI
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virtual QString
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caption() const = 0;
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/// It is possible to hide caption in GUI
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virtual bool
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captionVisible() const { return true; }
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/// Port caption is used in GUI to label individual ports
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virtual QString
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portCaption(PortType, PortIndex) const { return QString(); }
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/// It is possible to hide port caption in GUI
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virtual bool
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portCaptionVisible(PortType, PortIndex) const { return false; }
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/// Name makes this model unique
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virtual QString
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name() const = 0;
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public:
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QJsonObject
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save() const override;
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public:
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virtual
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unsigned int nPorts(PortType portType) const = 0;
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virtual
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NodeDataType dataType(PortType portType, PortIndex portIndex) const = 0;
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public:
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enum class ConnectionPolicy
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{
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One,
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Many,
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};
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virtual
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ConnectionPolicy
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portOutConnectionPolicy(PortIndex) const
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{
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return ConnectionPolicy::Many;
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}
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NodeStyle const&
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nodeStyle() const;
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void
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setNodeStyle(NodeStyle const& style);
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public:
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/// Triggers the algorithm
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virtual
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void
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setInData(std::shared_ptr<NodeData> nodeData,
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PortIndex port) = 0;
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virtual
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std::shared_ptr<NodeData>
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outData(PortIndex port) = 0;
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virtual
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QWidget *
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embeddedWidget() = 0;
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virtual
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bool
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resizable() const { return false; }
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virtual
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NodeValidationState
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validationState() const { return NodeValidationState::Valid; }
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virtual
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QString
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validationMessage() const { return QString(""); }
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virtual
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NodePainterDelegate* painterDelegate() const { return nullptr; }
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signals:
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void
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dataUpdated(PortIndex index);
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void
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dataInvalidated(PortIndex index);
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void
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computingStarted();
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void
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computingFinished();
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private:
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NodeStyle _nodeStyle;
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};
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}
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