nim_duilib/duilib/Control/TreeView.h

#ifndef UI_CONTROL_TREEVIEW_H_
#define UI_CONTROL_TREEVIEW_H_

#pragma once

namespace ui
{

#define ROOT_NODE_DEPTH  -1

class TreeView;
class UILIB_API TreeNode : public ListContainerElement
{
public:
	TreeNode();
	TreeNode(const TreeNode& r) = delete;
	TreeNode& operator=(const TreeNode& r) = delete;

	/// <20><>д<EFBFBD><D0B4><EFBFBD>෽<EFBFBD><E0B7BD><EFBFBD><EFBFBD><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>Ի<EFBFBD><D4BB><EFBFBD><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD>ο<EFBFBD><CEBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	virtual bool IsVisible() const override;
	virtual void SetInternVisible(bool bVisible) override;
	virtual void SetWindow(Window* pManager, Box* pParent, bool bInit = true) override;

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] param <EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>
	 * @return ʼ<EFBFBD>շ<EFBFBD><EFBFBD><EFBFBD> true
	 */
	virtual bool OnClickItem(EventArgs* param);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] pTreeView <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetTreeView(TreeView* pTreeView);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 */
	TreeNode* GetParentNode();

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD><EFBFBD>ڵ<EFBFBD>
	 * @param[in] pParentTreeNode <EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetParentNode(TreeNode* pParentTreeNode);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>
	 * @param[in] pTreeNode <EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true<EFBFBD><EFBFBD>ʧ<EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool AddChildNode(TreeNode* pTreeNode);

	/**
	 * @brief <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>
	 * @param[in] pTreeNode <EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @param[in] iIndex Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD>λ<EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD>
	 * @return <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true<EFBFBD><EFBFBD>ʧ<EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool AddChildNodeAt(TreeNode* pTreeNode, std::size_t iIndex);

	/**
	 * @brief <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>
	 * @param[in] index Ҫ<EFBFBD>Ƴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true<EFBFBD><EFBFBD>ʧ<EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool RemoveChildNodeAt(std::size_t index);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>
	 * @param[in] pTreeNode <EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true<EFBFBD><EFBFBD>ʧ<EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool RemoveChildNode(TreeNode* pTreeNode);

	/**
	 * @brief <EFBFBD>Ƴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void RemoveAllChildNode();

	/**
	 * @brief <EFBFBD>ݹ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	int GetDescendantNodeCount();

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	std::size_t GetChildNodeCount();

	/**
	 * @brief <EFBFBD><EFBFBD>ȡһ<EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @param[in] iIndex Ҫ<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 */
	TreeNode* GetChildNode(std::size_t iIndex);

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ӽڵ<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param[in] pTreeNode <EFBFBD>ӽڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	int	GetChildNodeIndex(TreeNode* pTreeNode);

	/**
	 * @brief <EFBFBD>ж<EFBFBD><EFBFBD>Ƿ<EFBFBD>չ<EFBFBD><EFBFBD>״̬
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD> true Ϊչ<EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ false
	 */
	bool IsExpand() const; 

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>ӽڵ<EFBFBD>
	 * @param[in] bExpand Ϊ true ʱչ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ false <EFBFBD>Dz<EFBFBD>չ<EFBFBD><EFBFBD>
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetExpand(bool bExpand);

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㼶
	 * @return <EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>ǰ<EFBFBD>㼶
	 */
	int GetDepth();

private:
	/**
	 * @brief ɾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @return <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> true<EFBFBD><EFBFBD>ʧ<EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD> false
	 */
	bool RemoveSelf();

private:
	int m_iDepth;
	bool m_bExpand;
	TreeView *m_pTreeView;
	TreeNode *m_pParentTreeNode;
	std::vector<TreeNode*> m_aTreeNodes;
};

class UILIB_API TreeView : public ListBox
{
public:
	TreeView(void);

	/// <20><>д<EFBFBD><D0B4><EFBFBD>෽<EFBFBD><E0B7BD><EFBFBD><EFBFBD><EFBFBD>ṩ<EFBFBD><E1B9A9><EFBFBD>Ի<EFBFBD><D4BB><EFBFBD><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD>ο<EFBFBD><CEBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	virtual void SetAttribute(const std::wstring& strName, const std::wstring& strValue) override;

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
	 * @return <EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD>
	 */
	TreeNode* GetRootNode()	{ return m_rootNode.get(); }

	/**
	 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
	 * @return <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
	 */
	int GetIndent() { return m_iIndent;	}

	/**
	 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
	 * @param[in] indent Ҫ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
	 * @return <EFBFBD><EFBFBD>
	 */
	void SetIndent(int indent) { m_iIndent = indent; }

private:
	//<2F><><EFBFBD>º<EFBFBD><C2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˽<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹʹ<D6B9>ã<EFBFBD>Ӧ<EFBFBD><D3A6>ʹ<EFBFBD><CAB9>TreeNode<64>е<EFBFBD><D0B5><EFBFBD><EFBFBD>غ<EFBFBD><D8BA><EFBFBD>
	bool Add(Control* pControl) override;
	bool AddAt(Control* pControl, std::size_t iIndex) override;
	bool Remove(Control* pControl) override;
	bool RemoveAt(std::size_t iIndex) override;
	void RemoveAll() override;

	virtual void SetWindow(Window* pManager, Box* pParent, bool bInit = true) override;

private:
	int m_iIndent;
	std::unique_ptr<TreeNode> m_rootNode;
};

}

#endif // UI_CONTROL_TREEVIEW_H_