45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#pragma once
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#include "LayerTreeNode.h"
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class LayerTreeLayer;
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/**
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* LayerTreeGroup：图层组节点
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* - 基类为 LayerTreeNode
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* - 提供插入图层节点（LayerTreeLayer）或图层组（LayerTreeGroup）的便利方法
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*/
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class LayerTreeGroup : public LayerTreeNode
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{
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Q_OBJECT
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public:
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explicit LayerTreeGroup(const QString& name = QString(),
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QObject* parent = nullptr);
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Type type() const override { return Type::Group; }
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// 便利方法：插入子组
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LayerTreeGroup* insertGroup(int index, const QString& name);
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LayerTreeGroup* addGroup(const QString& name);
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// 便利方法：插入图层节点
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LayerTreeLayer* insertLayer(int index, LayerTreeLayer* layer);
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LayerTreeLayer* addLayer(LayerTreeLayer* layer);
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// 插入任意节点
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void insertChildNode(int index, LayerTreeNode* node);
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void addChildNode(LayerTreeNode* node);
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// 移除子节点（不 delete，返回被移除节点）
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LayerTreeNode* removeChildNode(LayerTreeNode* node);
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// 查找
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LayerTreeLayer* findLayer(const QString& name) const;
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QList<LayerTreeLayer*> findLayers() const;
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QList<LayerTreeGroup*> findGroups() const;
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// 以后可扩展：collapsed / groupOpacity 等
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};
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// 保持向后兼容
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using LayerTreeGroupNode = LayerTreeGroup;
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