/////////////////////////////////////////////////////////////////////////////
-// Name: wx/richtext/richedithtml.h
+// Name: wx/richtext/richtexthtml.h
// Purpose: HTML I/O for wxRichTextCtrl
// Author: Julian Smart
// Modified by:
#include "wx/richtext/richtextbuffer.h"
+// Use CSS styles where applicable, otherwise use non-CSS workarounds
+#define wxRICHTEXT_HANDLER_USE_CSS 0x1000
+
/*!
* wxRichTextHTMLHandler
*/
-class WXDLLIMPEXP_ADV wxRichTextHTMLHandler: public wxRichTextFileHandler
+class WXDLLIMPEXP_RICHTEXT wxRichTextHTMLHandler: public wxRichTextFileHandler
{
- DECLARE_CLASS(wxRichTextHTMLHandler)
+ DECLARE_DYNAMIC_CLASS(wxRichTextHTMLHandler)
public:
- wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML)
- : wxRichTextFileHandler(name, ext, type)
- { }
-
-#if wxUSE_STREAMS
- virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
- virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
-#endif
+ wxRichTextHTMLHandler(const wxString& name = wxT("HTML"), const wxString& ext = wxT("html"), int type = wxRICHTEXT_TYPE_HTML);
/// Can we save using this handler?
virtual bool CanSave() const { return true; }
/// Can we handle this filename (if using files)? By default, checks the extension.
virtual bool CanHandle(const wxString& filename) const;
+// Accessors and operations unique to this handler
+
+ /// Set and get the list of image locations generated by the last operation
+ void SetTemporaryImageLocations(const wxArrayString& locations) { m_imageLocations = locations; }
+ const wxArrayString& GetTemporaryImageLocations() const { return m_imageLocations; }
+
+ /// Clear the image locations generated by the last operation
+ void ClearTemporaryImageLocations() { m_imageLocations.Clear(); }
+
+ /// Delete the in-memory or temporary files generated by the last operation
+ bool DeleteTemporaryImages();
+
+ /// Delete the in-memory or temporary files generated by the last operation. This is a static
+ /// function that can be used to delete the saved locations from an earlier operation,
+ /// for example after the user has viewed the HTML file.
+ static bool DeleteTemporaryImages(int flags, const wxArrayString& imageLocations);
+
+ /// Reset the file counter, in case, for example, the same names are required each time
+ static void SetFileCounter(int counter) { sm_fileCounter = counter; }
+
+ /// Set and get the directory for storing temporary files. If empty, the system
+ /// temporary directory will be used.
+ void SetTempDir(const wxString& tempDir) { m_tempDir = tempDir; }
+ const wxString& GetTempDir() const { return m_tempDir; }
+
+ /// Set and get mapping from point size to HTML font size. There should be 7 elements,
+ /// one for each HTML font size, each element specifying the maximum point size for that
+ /// HTML font size. E.g. 8, 10, 13, 17, 22, 29, 100
+ void SetFontSizeMapping(const wxArrayInt& fontSizeMapping) { m_fontSizeMapping = fontSizeMapping; }
+ wxArrayInt GetFontSizeMapping() const { return m_fontSizeMapping; }
+
+protected:
+
+// Implementation
+
+#if wxUSE_STREAMS
+ virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
+ virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
+
/// Output character formatting
- virtual void OutputCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start);
+ void BeginCharacterFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, const wxRichTextAttr& paraStyle, wxTextOutputStream& stream );
+ void EndCharacterFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, const wxRichTextAttr& paraStyle, wxTextOutputStream& stream );
/// Output paragraph formatting
- virtual void OutputParagraphFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start);
+ void BeginParagraphFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, wxTextOutputStream& stream);
+ void EndParagraphFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, wxTextOutputStream& stream);
-protected:
+ /// Output font tag
+ void OutputFont(const wxRichTextAttr& style, wxTextOutputStream& stream);
+
+ /// Closes lists to level (-1 means close all)
+ void CloseLists(int level, wxTextOutputStream& str);
+
+ /// Writes an image to its base64 equivalent, or to the memory filesystem, or to a file
+ void WriteImage(wxRichTextImage* image, wxOutputStream& stream);
+
+ /// Converts from pt to size property compatible height
+ long PtToSize(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 wxRichTextAttr& thisStyle);
+
+ /// Generates array for indentations
+ wxString SymbolicIndent(long indent);
+
+ /// Finds the html equivalent of the specified bullet
+ int TypeOfList(const wxRichTextAttr& thisStyle, wxString& tag);
+#endif
+
+// Data members
+
+ wxRichTextBuffer* m_buffer;
+
+ /// Indentation values of the table tags
+ wxArrayInt m_indents;
+
+ /// Stack of list types: 0 = ol, 1 = ul
+ wxArrayInt m_listTypes;
+
+ /// Is there any opened font tag?
+ bool m_font;
+
+ /// Are we in a table?
+ bool m_inTable;
+
+ /// A list of the image files or in-memory images created by the last operation.
+ wxArrayString m_imageLocations;
+
+ /// A location for the temporary files
+ wxString m_tempDir;
+
+ /// A mapping from point size to HTML font size
+ wxArrayInt m_fontSizeMapping;
+ /// A counter for generating filenames
+ static int sm_fileCounter;
};
#endif
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