chtmleditor.h

用visual c++写的一个超文本编辑器

		BOOL InsertColumn(UINT Index);
		BOOL GetSpanMap(UINT *pu32_Rows, UINT *pu32_Cols, UINT **ppu32_Map);
		void CleanUp();
		UINT GetColumnCount();
		UINT GetRowCount();
		cHtmlTableCell GetCell(UINT u32_Row, UINT u32_Column, BOOL b_ReturnPrevious=FALSE);
		CString GetCellPadding();
		BOOL SetCellPadding(CString s_Padding);
		CString GetCellSpacing();
		BOOL SetCellSpacing(CString s_Spacing);
		CString GetBorderWidth();
		BOOL SetBorderWidth(CString s_Width);
		CString GetBorderColor();
		BOOL SetBorderColor(CString s_Color);
		eRules GetBorderRules();
		BOOL SetBorderRules(eRules e_Rules);

	protected:
		CComQIPtr<IHTMLTable, &IID_IHTMLTable> mi_Table;
	};

	// ####################################################

	class cHtmlImg : public cHtmlElement
	{
	public:
		cHtmlImg(CComPtr<IHTMLElement> i_Elem);

		virtual BOOL Valid();
		CString GetUrl();
		BOOL    SetSrc(CString s_Src);

	protected:
		CComQIPtr<IHTMLImgElement, &IID_IHTMLImgElement> mi_Img;
	};

	// ####################################################

	class cHtmlHR : public cHtmlElement
	{
	public:
		cHtmlHR(CComPtr<IHTMLElement> i_Elem);

		enum eAction
		{
			E_Color,
			E_Size,   // the height of the line in pixel
			E_Width,  // the length of the line in pixel or percent
			E_Align
		};
		virtual BOOL Valid();
		void SetProperty(eAction e_Action, CString s_Value);
		CString GetProperty(eAction e_Action);
		BOOL GetShade();
		void SetShade(BOOL b_Shade);

	protected:
		CComQIPtr<IHTMLHRElement, &IID_IHTMLHRElement> mi_HR;
	};

	// ####################################################

	class cHtmlDocument : public cHtmlDomNode
	{
	public:
		cHtmlDocument();
		void Assign(CComPtr<IDispatch> D_Doc, CHtmlEditor *pi_Editor);

		virtual BOOL Valid();
		cHtmlStyleSheet GetStyleSheet();
		BOOL SetDocumentDefault(CString s_Selector, cHtmlStyle::eProp e_Prop, CString s_Value);
		BOOL IsModified();
		cHtmlElement GetElementByID(CString s_ID);
		UINT QueryStatus(UINT u32_Command);
		CString GetTitle();
		CString GetUrl();
		BOOL ExecSetCommand(UINT u32_Command, CComVariant v_In=0, BOOL b_PromtUser=TRUE);
		BOOL ExecGetCommand(UINT u32_Command, CComVariant *pv_Out);
		CString GetHtml();
		cHtmlElement GetHtmlTag();
		cHtmlElement GetHead();
		cHtmlElement GetBody(BOOL b_Create);
		void CleanUpTags();
		cHtmlElement GetSelection(BOOL b_AllowEmptySel=TRUE);
		UINT GetElementCollection(CString s_TagName, CComQIPtr<IHTMLElementCollection> &i_Collect);
		BOOL PasteIntoSelection(CString s_Html);
		BOOL AddToSelection(CString s_BeginHtml, CString s_EndHtml);
		BOOL SetHtml(CString s_HTML);
		BOOL InsertTable(UINT u32_Rows, UINT u32_Cols);
		BOOL SetDesignMode(BOOL b_Design);
		BOOL GetDesignMode();
		cHtmlTableCell GetSelectedCell();
		void InsertNewTableColumn(BOOL b_Right);
		void InsertNewTableRow(BOOL b_Below);
		BOOL InsertNewImage(CString s_Path);
		BOOL SetSelectionFontSize(UINT u32_Size);
		UINT GetSelectionFontSize();
		UINT GetDefaultFontSize();
		UINT ConvertFontSize(CString s_Size);
		void MakeImagesAbsolute();

	protected:
		void RecursiveSetFontSize(cHtmlElement &i_Parent, CString *ps_Size);
		void RecursiveCleanUpChilds(cHtmlElement &i_Elem, CString *ps_Removed);
		BOOL ReplaceHeading(CString s_Tag, cHtmlElement &i_Elem);
		BOOL ReplaceParagraph(cHtmlElement &i_Elem);

		CHtmlEditor                  *mp_Editor;
		CComQIPtr<IHTMLDocument2>     mi_Doc2;
		CComQIPtr<IHTMLDocument3>     mi_Doc3;
		CComQIPtr<IPersistStreamInit> mi_PStream;
		CComQIPtr<IOleCommandTarget>  mi_CmdTarg;

		int                         ms32_DefaultFontSize;
	};

	// #####################################################

	class CMsieWnd : public CWnd
	{
	public:
		void SetEditor(CHtmlEditor *p_Editor);

	protected:
		virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
		virtual BOOL PreTranslateMessage(MSG* pMsg);

	private:
		CHtmlEditor *mp_Editor;
	};
		
	// #####################################################

	class CUniRichEdit : public CWnd, public cMisc
	{
	public:
		CUniRichEdit();
		virtual ~CUniRichEdit();

		void SetEditor(CHtmlEditor *p_Editor);
		BOOL CreateEx(DWORD u32_ExStyle, DWORD u32_Style, const RECT& k_Rect, CWnd* p_Parent, UINT u32_ID);
		void SetWindowText(CString s_Text);

	private:
		virtual BOOL PreTranslateMessage(MSG* pMsg);

		HINSTANCE mh_Dll32;
		HINSTANCE mh_Dll20;
		CHtmlEditor *mp_Editor;
	};
		
	// #####################################################

	class cStreamReader : public IStream, public cMisc
	{
	public:
		cStreamReader();
		virtual ~cStreamReader();
		void SetData(LPCTSTR szData);
		ULONG STDMETHODCALLTYPE AddRef();
		ULONG STDMETHODCALLTYPE Release(); 
		STDMETHOD(QueryInterface)(REFIID iid, void **ppUnk);
		STDMETHOD(Read)(void *pv_Buffer, ULONG u32_BufSize, ULONG *pu32_ReadBytes);
		STDMETHOD(Write)(const void *pv_Buffer, ULONG u32_BufSize, ULONG *pcbWritten);
		STDMETHOD(Seek)(LARGE_INTEGER, DWORD, ULARGE_INTEGER*);
		STDMETHOD(SetSize)(ULARGE_INTEGER);
		STDMETHOD(CopyTo)(IStream *, ULARGE_INTEGER, ULARGE_INTEGER*, ULARGE_INTEGER*);
		STDMETHOD(Commit)(DWORD);
		STDMETHOD(Revert)();
		STDMETHOD(LockRegion)(ULARGE_INTEGER, ULARGE_INTEGER, DWORD);
		STDMETHOD(UnlockRegion)(ULARGE_INTEGER, ULARGE_INTEGER, DWORD);
		STDMETHOD(Stat)(STATSTG*, DWORD);
		STDMETHOD(Clone)(IStream**);

	protected:
		char *mps8_Data;
		UINT  mu32_DataLen;
		UINT  mu32_Index;
	};

// END embedded classes

// ####################################################

// class CHtmlEditor :

	DECLARE_DYNCREATE(CHtmlEditor)
public:
	CHtmlEditor();
	virtual ~CHtmlEditor();

	virtual BOOL Valid();
	void Clear();
	void Save();
	BOOL ExecSetCommand(UINT u32_Command, CComVariant v_In=0, BOOL b_PromtUser=TRUE);
	BOOL ExecGetCommand(UINT u32_Command, CComVariant *pv_Out);
	BOOL ExecGetCommandStr(UINT u32_Command, CString *ps_Out);
	UINT QueryStatus(UINT u32_Command);
	BOOL CreateEditor(CWnd *p_Static, CWnd *p_NotificationWnd, BOOL b_EditOnlyBody, BOOL b_EnableThemes);
	void ResetMsieSettings();
	void SetDisplayMode(BOOL b_SourceMode, BOOL b_DesignMode);
	void EnableEditor(BOOL b_Enable);
	void MoveWindow(int Left, int Top, int Width, int Height, UINT u32_Flags=0);
	void MoveWindow(CRect k_Rect, UINT u32_Flags=0);
	void ReplaceParagraphs(UINT u32_VirtKeyCode);
	cHtmlDocument* GetDocument();
	BOOL NavigateToEmbeddedResource(CString s_RsrcName);
	BOOL Navigate(LPCTSTR t_URL, DWORD dwFlags=0, LPCTSTR lpszTargetFrameName=0, LPCTSTR lpszHeaders=0, LPVOID lpvPostData=0, DWORD dwPostDataLen=0);
	UINT GetDisplayMode();
	void NotifyParent(UINT u32_CommandID, BOOL b_Post);
	UINT GetMsieVersion();
	BOOL IsPlatformNT();
	void DelayCeanUp();

protected:
	virtual void OnBeforeNavigate2(LPCTSTR t_URL, DWORD u32_Flags, LPCTSTR t_TargetFrame, CByteArray& i_PostedData, LPCTSTR t_Headers, BOOL *pb_Cancel);
	virtual void OnNavigateComplete2(LPCTSTR t_URL);
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);

private:
	BOOL           mb_SourceMode;
	BOOL           mb_Enabled;
	cHtmlDocument  mi_HtmDoc;
	CMsieWnd       mi_MSIE;
	CUniRichEdit   mi_RichEdit;
	CWnd          *mp_NotificationWnd;
	CWnd          *mp_Static;
	BOOL           mb_EditOnlyBody;
	BOOL           mb_InitDone;
	BOOL           mb_CleanUp;
	BOOL           mb_SubClassed;
	BOOL           mb_EnableThemes;
	BOOL           mb_PlatformNT;
	BOOL           mb_ParaReplaced;
};


// these typedefs avoid that you have to tpye "CHtmlEditor::cHtmlTable" each time 
// instead of simply typing "cHtmlTable"

typedef CHtmlEditor::cMisc            cMisc;
typedef CHtmlEditor::cHtmlStyle       cHtmlStyle;
typedef CHtmlEditor::cHtmlStyleSheet  cHtmlStyleSheet;
typedef CHtmlEditor::cHtmlDomNode     cHtmlDomNode;
typedef CHtmlEditor::cHtmlElement     cHtmlElement;
typedef CHtmlEditor::cHtmlTableCell   cHtmlTableCell;
typedef CHtmlEditor::cHtmlTableRow    cHtmlTableRow;
typedef CHtmlEditor::cHtmlTable       cHtmlTable;
typedef CHtmlEditor::cHtmlHR          cHtmlHR;
typedef CHtmlEditor::cHtmlImg         cHtmlImg;
typedef CHtmlEditor::cHtmlDocument    cHtmlDocument;
typedef CHtmlEditor::CUniRichEdit     CUniRichEdit;
typedef CHtmlEditor::CMsieWnd         CMsieWnd;
typedef CHtmlEditor::cStreamReader    cStreamReader;


#endif // !defined(HTML_EDITOR_H__AF3E29B6_2B28_46D0_9D37_74D6C9E41B4A__INCLUDED_)