76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
#ifndef DBSTRUCTURENODE_H
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#define DBSTRUCTURENODE_H
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#include <QList>
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#include <QVariant>
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#include <QIcon>
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enum NodeType //节点类型
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{
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RootNode, //根节点
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ConnectionNode, //链接（名称）节点
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DatabaseNode, //数据库节点
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TableNode, //表节点
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GroupNode //属性组节点
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};
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enum NodeStatus //节点状态(主要是ConnectionNode)
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{
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Connect,
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Disconnect,
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NoStatus
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};
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enum NodeDataRole
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{
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ID = 1,
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Type
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};
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class DBStructureNode
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{
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public:
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enum ColumnRole
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{
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ColumnName = 0,
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//ColumnStatus = 1,
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ColumnCount = 1 //用来表示属性列的数量
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};
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explicit DBStructureNode(NodeType type, const QString& name, DBStructureNode* parent = nullptr);
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~DBStructureNode();
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//节点操作
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void appendChild(DBStructureNode* child);
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void removeChild(DBStructureNode* child);
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DBStructureNode* child(int row);
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int childCount() const;
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int row() const;
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void removeAllChildren();
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//数据访问
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NodeType type() const;
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QString name() const;
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void setName(const QString&);
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QIcon icon() const;
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void setStatus(NodeStatus);
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NodeStatus status() const;
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QVariant columnData(int column) const;
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//QVariant icon() const;
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DBStructureNode* parentNode();
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//模仿QTreeWidgetItem的数据接口
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void setData(int, const QVariant&);
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QVariant data(int) const;
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private:
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NodeType m_type;
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QString m_name;
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QIcon m_icon;
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NodeStatus m_status;
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QHash<int, QVariant> m_roleData;
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QList<DBStructureNode*> m_children;
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DBStructureNode* m_parent;
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};
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#endif //DBSTRUCTURENODE_H
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