49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
#pragma once
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#include <QObject>
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#include <QString>
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#include <vector>
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#include <memory>
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#include <unordered_map>
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class MapLayer;
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class QWidget;
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class MapLayerStore : public QObject
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{
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Q_OBJECT
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public:
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explicit MapLayerStore(QObject* parent = nullptr);
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~MapLayerStore() override = default;
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// Take ownership of the layer (store will own and manage its lifetime)
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// Now also accept the associated QWidget so UI widget can be retrieved by layer pointer
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void addLayer(MapLayer* layer, QWidget* widget = nullptr);
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// Remove by pointer or by name. Destruction happens when removed from store.
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public slots:
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void removeLayer(MapLayer* layer);
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void removeLayerByName(const QString& name);
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// Queries
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MapLayer* getLayer(const QString& name) const;
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MapLayer* getLayerAt(int index) const;
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int layerCount() const;
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// Get associated widget for a layer (or nullptr if none)
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QWidget* widgetForLayer(MapLayer* layer) const;
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// Get associated widget by layer absolute data path
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QWidget* widgetForLayer(const QString& absolutePath) const;
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signals:
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void layerAdded(MapLayer* layer);
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// Emitted just before the layer is destroyed/removed from store
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void layerAboutToBeRemoved(MapLayer* layer);
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private:
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// store shared ownership so other parts can keep raw pointers safely (or use QPointer)
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std::vector<std::shared_ptr<MapLayer>> m_layers;
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// mapping from raw MapLayer pointer to associated QWidget*
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std::unordered_map<MapLayer*, QWidget*> m_layerWidgets;
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};
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