wxWidgets/include/wx/richtext/richtexthtml.h

105 lines
3.2 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/richtext/richedithtml.h
// Purpose: HTML I/O for wxRichTextCtrl
// Author: Julian Smart
// Modified by:
// Created: 2005-09-30
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_RICHTEXTHTML_H_
#define _WX_RICHTEXTHTML_H_
/*!
* Includes
*/
#include "wx/richtext/richtextbuffer.h"
/*!
* wxRichTextHTMLHandler
*/
class WXDLLIMPEXP_ADV wxRichTextHTMLHandler: public wxRichTextFileHandler
{
DECLARE_CLASS(wxRichTextHTMLHandler)
public:
wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML)
: wxRichTextFileHandler(name, ext, type)
{ }
/// Can we save using this handler?
virtual bool CanSave() const { return true; }
/// Can we load using this handler?
virtual bool CanLoad() const { return false; }
/// Can we handle this filename (if using files)? By default, checks the extension.
virtual bool CanHandle(const wxString& filename) const;
protected:
#if wxUSE_STREAMS
virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
#endif
/// Output character formatting
virtual void BeginCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream );
virtual void EndCharacterFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream );
/// Output paragraph formatting
virtual void OutputParagraphFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream/*, bool start*/);
/// Converts an image to its base64 equivalent
void Image_to_Base64(wxRichTextImage* image, wxOutputStream& stream);
/// Builds required indentation
void Indent( const wxTextAttrEx& thisStyle, wxTextOutputStream& str );
/// Left indent
void LIndent( const wxTextAttrEx& thisStyle, wxTextOutputStream& str );
/// Converts from pt to size property compatible height
long Pt_To_Size(long size);
/// Typical base64 encoder
wxChar* b64enc( unsigned char* input, size_t in_len );
/// Gets the mime type of the given wxBITMAP_TYPE
const wxChar* GetMimeType(int imageType);
/// Gets the html equivalent of the specified value
wxString GetAlignment( const wxTextAttrEx& thisStyle );
/// Generates   array for indentations
wxString SymbolicIndent(long indent);
/// Finds the html equivalent of the specified bullet
void TypeOfList( const wxTextAttrEx& thisStyle, wxString& tag );
/// Closes existings or Opens new tables for navigation to an item's horizontal position.
void NavigateToListPosition( const wxTextAttrEx& thisStyle, wxTextOutputStream& str );
/// Indentation values of the table tags
wxArrayInt m_indents;
/// Horizontal position of the current table
long m_indent;
/// Is there any opened font tag
bool m_font;
/// Is there any opened ul/ol tag
bool m_list;
/// type of list, ul or ol?
bool m_is_ul;
};
#endif
// _WX_RICHTEXTXML_H_