26905a4ba0
Data-driven node types (SVG + port config) loaded from JSON, relation-based connection validation, and a property system supporting string, int, float, enum, catalogue item(s), color and value-list types grouped by category. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#pragma once
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#include "TypeRegistry.h"
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#include "Types.h"
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#include <QHash>
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#include <QObject>
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namespace diag {
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// The document model: nodes placed on the canvas and edges connecting their
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// ports. All edits are signalled so views stay in sync. Pure Qt Core/Gui —
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// usable headless in tests.
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class NetworkModel : public QObject {
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Q_OBJECT
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public:
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explicit NetworkModel(TypeRegistry* registry = nullptr, QObject* parent = nullptr);
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TypeRegistry* registry() const { return m_registry; }
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// --- nodes ---
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QUuid addNode(const QString& typeId, QPointF pos, QUuid id = {});
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void removeNode(QUuid id); // cascades to attached edges
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void moveNode(QUuid id, QPointF pos);
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const Node* node(QUuid id) const;
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QList<QUuid> nodeIds() const;
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const NodeType* nodeTypeOf(QUuid id) const;
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// --- edges ---
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bool canConnect(QUuid nodeA, const QString& portA, QUuid nodeB, const QString& portB,
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QString* reason = nullptr) const;
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QUuid addEdge(QUuid fromNode, const QString& fromPort, QUuid toNode, const QString& toPort,
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QUuid id = {});
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void removeEdge(QUuid id);
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const Edge* edge(QUuid id) const;
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QList<QUuid> edgeIds() const;
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QList<QUuid> edgesOfNode(QUuid nodeId) const;
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int connectionCount(QUuid nodeId, const QString& portId) const;
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// --- properties (values fall back to the spec default when unset) ---
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void setNodeProperty(QUuid id, const QString& key, const QVariant& value);
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QVariant nodeProperty(QUuid id, const QString& key) const;
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void setEdgeProperty(QUuid id, const QString& key, const QVariant& value);
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QVariant edgeProperty(QUuid id, const QString& key) const;
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// Solver results (does not go through the undo stack).
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void setEdgeFlow(QUuid id, double rate);
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// Scene position of a port (node pos + relative port pos * size).
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QPointF portScenePos(QUuid nodeId, const QString& portId) const;
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void clear();
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signals:
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void nodeAdded(QUuid id);
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void nodeRemoved(QUuid id);
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void nodeMoved(QUuid id);
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void nodeChanged(QUuid id);
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void edgeAdded(QUuid id);
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void edgeRemoved(QUuid id);
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void edgeChanged(QUuid id);
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void flowChanged(QUuid id);
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void modelReset();
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private:
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static QVariant defaultFor(const QList<PropertySpec>& specs, const QString& key);
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TypeRegistry* m_registry;
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QHash<QUuid, Node> m_nodes;
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QHash<QUuid, Edge> m_edges;
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QList<QUuid> m_nodeOrder; // stable iteration/serialization order
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QList<QUuid> m_edgeOrder;
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};
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} // namespace diag
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