demo_workspacebar.h

使用yacc的一个例子

#ifndef _DEMO_WORKSPACE_BAR_H
#define _DEMO_WORKSPACE_BAR_H

#include "Demo_UserTreeView.h"	// Added by ClassView
#include "Demo_RoleTreeView.h"
#include "Demo_TableTreeView.h"
#include "Sdbms_DataStruct.h"

enum TREE_ITEM_TYPE
{
	IT_USER,
	IT_ROLE,
	IT_TABLE,
	IT_FIELD
};

struct TREE_ITEM_DATA
{
	TREE_ITEM_DATA(CSdbms_User *pUser)
		:m_nType(IT_USER), m_pUser(pUser){}
	TREE_ITEM_DATA(CSdbms_Role *pRole, CSdbms_Database *pDB=NULL)
		:m_nType(IT_ROLE), m_pRole(pRole), m_pDatabase(pDB){}
	TREE_ITEM_DATA(CSdbms_Table *pTable, CSdbms_Database *pDB)
		:m_nType(IT_TABLE), m_pTable(pTable), m_pDatabase(pDB){}
	TREE_ITEM_DATA(CSdbms_Field *pField)
		:m_nType(IT_FIELD), m_pField(pField){}

	TREE_ITEM_TYPE	m_nType;
	union
	{
		CSdbms_User	*m_pUser;
		CSdbms_Field	*m_pField;
		struct
		{
			union
			{
				CSdbms_Role		*m_pRole;
				CSdbms_Table	*m_pTable;
			};
			CSdbms_Database	*m_pDatabase;
		};
	};
};

class CDemo_WorkspaceBar : public CCJTabCtrlBar
{
public:
	void UpdateTableTreeView(void);
	void UpdateRoleTreeView(void);
	void UpdateUserTreeView(void);
	CDemo_WorkspaceBar();
	~CDemo_WorkspaceBar();
private:
	CImageList m_TabImages;
	CDemo_UserTreeView* m_pUserTreeView;
	CDemo_RoleTreeView* m_pRoleTreeView;
	CDemo_TableTreeView* m_pTableTreeView;
protected:
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	DECLARE_MESSAGE_MAP()
};

#endif