54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// src/canvas/PluginItemFactory.h
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#pragma once
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#include "export.hpp"
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#include "functionModelItem/graphicsFunctionModelItem.h"
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#include <QObject>
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class PluginManager;
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class ICanvasItem;
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class DIAGRAM_DESIGNER_PUBLIC PluginItemFactory : public QObject
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{
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Q_OBJECT
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public:
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static PluginItemFactory* instance();
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// 删除拷贝构造函数和赋值运算符
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PluginItemFactory(const PluginItemFactory&) = delete;
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PluginItemFactory& operator=(const PluginItemFactory&) = delete;
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// 设置插件管理器
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void setPluginManager(PluginManager *manager);
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PluginManager* pluginManager() const;
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// 创建图形项
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GraphicsFunctionModelItem* createItem(const QString &shapeId,
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QGraphicsItem *parent = nullptr);
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// 从插件项创建图形项
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GraphicsFunctionModelItem* createItemFromPlugin(ICanvasItem *pluginItem,
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QGraphicsItem *parent = nullptr);
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signals:
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void itemCreated(GraphicsFunctionModelItem *item);
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void creationFailed(const QString &shapeId, const QString &error);
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private:
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// 内联定义Private类
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class Private
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{
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public:
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PluginManager *pluginManager = nullptr;
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Private() = default;
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~Private() = default;
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};
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explicit PluginItemFactory(QObject *parent = nullptr);
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~PluginItemFactory() = default; // QScopedPointer自动管理内存
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QScopedPointer<Private> d;
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};
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