include/wx/richtext/richtextxml.h

   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
  30 class WXDLLIMPEXP_RICHTEXT wxRichTextXMLHandler: public wxRichTextFileHandler
  31 {
  32     DECLARE_CLASS(wxRichTextXMLHandler)
  33 public:
  34     wxRichTextXMLHandler(const wxString& name = wxT("XML"), const wxString& ext = wxT("xml"), int type = wxRICHTEXT_TYPE_XML)
  35         : wxRichTextFileHandler(name, ext, type)
  36         { }
  37
  38 #if wxUSE_STREAMS
  39     /// Recursively export an object
  40     bool ExportXML(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextObject& obj, int level);
  41     bool ExportStyleDefinition(wxOutputStream& stream, wxMBConv* convMem, wxMBConv* convFile, wxRichTextStyleDefinition* def, int level);
  42
  43     /// Recursively import an object
  44     bool ImportXML(wxRichTextBuffer* buffer, wxXmlNode* node);
  45     bool ImportStyleDefinition(wxRichTextStyleSheet* sheet, wxXmlNode* node);
  46
  47     /// Create style parameters
  48     wxString CreateStyle(const wxTextAttrEx& attr, bool isPara = false);
  49
  50     /// Get style parameters
  51     bool GetStyle(wxTextAttrEx& attr, wxXmlNode* node, bool isPara = false);
  52 #endif
  53
  54     /// Can we save using this handler?
  55     virtual bool CanSave() const { return true; }
  56
  57     /// Can we load using this handler?
  58     virtual bool CanLoad() const { return true; }
  59
  60 // Implementation
  61
  62     bool HasParam(wxXmlNode* node, const wxString& param);
  63     wxXmlNode *GetParamNode(wxXmlNode* node, const wxString& param);
  64     wxString GetNodeContent(wxXmlNode *node);
  65     wxString GetParamValue(wxXmlNode *node, const wxString& param);
  66     wxString GetText(wxXmlNode *node, const wxString& param = wxEmptyString, bool translate = false);
  67
  68 protected:
  69 #if wxUSE_STREAMS
  70     virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
  71     virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
  72 #endif
  73 };
  74
  75 #endif
  76     // wxUSE_RICHTEXT && wxUSE_XML
  77
  78 #endif
  79     // _WX_RICHTEXTXML_H_