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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/richtext/richeditxml.h
	3	// Purpose: XML and HTML I/O for wxRichTextCtrl
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 2005-09-30
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_RICHTEXTXML_H_
	13	#define _WX_RICHTEXTXML_H_
	14
	15	/*!
	16	* Includes
	17	*/
	18
	19	#include "wx/richtext/richtextbuffer.h"
	20	#include "wx/richtext/richtextstyles.h"
	21
	22	#if wxUSE_RICHTEXT && wxUSE_XML
	23
	24	/*!
	25	* wxRichTextXMLHandler
	26	*/
	27
	28	class WXDLLIMPEXP_FWD_XML wxXmlNode;
	29	class WXDLLIMPEXP_FWD_XML wxXmlDocument;
	30
	31	class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHandler: public wxRichTextFileHandler
	32	{
	33	DECLARE_CLASS(wxRichTextXMLHandler)
	34	public:
	35	wxRichTextXMLHandler(const wxString& name = wxT("XML"), const wxString& ext = wxT("xml"), int type = wxRICHTEXT_TYPE_XML)
	36	: wxRichTextFileHandler(name, ext, type)
	37	{ Init(); }
	38
	39	void Init();
	40
	41	#if wxUSE_STREAMS
	42
	43	#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
	44	/// Recursively export an object
	45	bool ExportXML(wxOutputStream& stream, wxRichTextObject& obj, int level);
	46	bool ExportStyleDefinition(wxOutputStream& stream, wxRichTextStyleDefinition* def, int level);
	47	wxString AddAttributes(const wxRichTextAttr& attr, bool isPara = false);
	48	bool WriteProperties(wxOutputStream& stream, const wxRichTextProperties& properties, int level);
	49	void OutputString(wxOutputStream& stream, const wxString& str);
	50	void OutputStringEnt(wxOutputStream& stream, const wxString& str);
	51	void OutputIndentation(wxOutputStream& stream, int indent);
	52	static wxString AttributeToXML(const wxString& str);
	53	#endif
	54
	55	#if wxRICHTEXT_HAVE_XMLDOCUMENT_OUTPUT
	56	bool ExportXML(wxXmlNode* parent, wxRichTextObject& obj);
	57	bool ExportStyleDefinition(wxXmlNode* parent, wxRichTextStyleDefinition* def);
	58	bool AddAttributes(wxXmlNode* node, wxRichTextAttr& attr, bool isPara = false);
	59	bool WriteProperties(wxXmlNode* node, const wxRichTextProperties& properties);
	60	#endif
	61
	62	/// Make a string from the given property. This can be overridden for custom variants.
	63	virtual wxString MakeStringFromProperty(const wxVariant& var);
	64
	65	/// Create a proprty from the string read from the XML file.
	66	virtual wxVariant MakePropertyFromString(const wxString& name, const wxString& value, const wxString& type);
	67
	68	/// Recursively import an object
	69	bool ImportXML(wxRichTextBuffer* buffer, wxRichTextObject* obj, wxXmlNode* node);
	70	bool ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node);
	71	bool ImportProperties(wxRichTextObject* obj, wxXmlNode* node);
	72
	73	/// Import style parameters
	74	bool ImportStyle(wxRichTextAttr& attr, wxXmlNode* node, bool isPara = false);
	75	#endif
	76
	77	/// Creates an object given an XML element name
	78	virtual wxRichTextObject* CreateObjectForXMLName(wxRichTextObject* parent, const wxString& name) const;
	79
	80	/// Can we save using this handler?
	81	virtual bool CanSave() const { return true; }
	82
	83	/// Can we load using this handler?
	84	virtual bool CanLoad() const { return true; }
	85
	86	// Used during saving
	87	wxMBConv* GetConvMem() const { return m_convMem; }
	88	wxMBConv* GetConvFile() const { return m_convFile; }
	89
	90	// Implementation
	91
	92	bool HasParam(wxXmlNode* node, const wxString& param);
	93	wxXmlNode GetParamNode(wxXmlNode node, const wxString& param);
	94	wxString GetNodeContent(wxXmlNode *node);
	95	wxString GetParamValue(wxXmlNode *node, const wxString& param);
	96	wxString GetText(wxXmlNode *node, const wxString& param = wxEmptyString, bool translate = false);
	97	static wxXmlNode* FindNode(wxXmlNode* node, const wxString& name);
	98
	99	protected:
	100	#if wxUSE_STREAMS
	101	virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
	102	virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
	103	#endif
	104
	105	#if wxRICHTEXT_HAVE_DIRECT_OUTPUT
	106	// Used during saving
	107	wxMBConv* m_convMem;
	108	wxMBConv* m_convFile;
	109	#endif
	110	};
	111
	112	#endif
	113	// wxUSE_RICHTEXT && wxUSE_XML
	114
	115	#endif
	116	// _WX_RICHTEXTXML_H_