/////////////////////////////////////////////////////////////////////////////
-// Name: richtext/richtexthtml.cpp
+// Name: src/richtext/richtexthtml.cpp
// Purpose: HTML I/O for wxRichTextCtrl
// Author: Julian Smart
// Modified by:
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
#if wxUSE_RICHTEXT
#include "wx/richtext/richtexthtml.h"
+#include "wx/richtext/richtextstyles.h"
#ifndef WX_PRECOMP
- #include "wx/wx.h"
#endif
#include "wx/filename.h"
#include "wx/wfstream.h"
#include "wx/txtstrm.h"
+#if wxUSE_FILESYSTEM
+#include "wx/filesys.h"
+#include "wx/fs_mem.h"
+#endif
+
IMPLEMENT_DYNAMIC_CLASS(wxRichTextHTMLHandler, wxRichTextFileHandler)
+int wxRichTextHTMLHandler::sm_fileCounter = 1;
+
+wxRichTextHTMLHandler::wxRichTextHTMLHandler(const wxString& name, const wxString& ext, int type)
+ : wxRichTextFileHandler(name, ext, type), m_buffer(NULL), m_font(false), m_inTable(false)
+{
+ m_fontSizeMapping.Add(8);
+ m_fontSizeMapping.Add(10);
+ m_fontSizeMapping.Add(13);
+ m_fontSizeMapping.Add(17);
+ m_fontSizeMapping.Add(22);
+ m_fontSizeMapping.Add(30);
+ m_fontSizeMapping.Add(100);
+}
+
/// Can we handle this filename (if using files)? By default, checks the extension.
bool wxRichTextHTMLHandler::CanHandle(const wxString& filename) const
{
bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
{
+ m_buffer = buffer;
+
+ ClearTemporaryImageLocations();
+
buffer->Defragment();
wxTextOutputStream str(stream);
- wxTextAttrEx currentParaStyle = buffer->GetAttributes();
- wxTextAttrEx currentCharStyle = buffer->GetAttributes();
+ wxTextAttr currentParaStyle = buffer->GetAttributes();
+ wxTextAttr currentCharStyle = buffer->GetAttributes();
+
+ if ((GetFlags() & wxRICHTEXT_HANDLER_NO_HEADER_FOOTER) == 0)
+ str << wxT("<html><head></head><body>\n");
+
+ OutputFont(currentParaStyle, str);
- str << wxT("<html><head></head><body>\n");
+ m_font = false;
+ m_inTable = false;
+
+ m_indents.Clear();
+ m_listTypes.Clear();
wxRichTextObjectList::compatibility_iterator node = buffer->GetChildren().GetFirst();
while (node)
if (para)
{
- OutputParagraphFormatting(currentParaStyle, para->GetAttributes(), stream, true);
+ wxTextAttr paraStyle(para->GetCombinedAttributes());
+
+ BeginParagraphFormatting(currentParaStyle, paraStyle, str);
wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
while (node2)
wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
if (textObj && !textObj->IsEmpty())
{
- OutputCharacterFormatting(currentCharStyle, obj->GetAttributes(), stream, true);
+ wxTextAttr charStyle(para->GetCombinedAttributes(obj->GetAttributes()));
+ BeginCharacterFormatting(currentCharStyle, charStyle, paraStyle, str);
+
+ wxString text = textObj->GetText();
+
+ if (charStyle.HasTextEffects() && (charStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_CAPITALS))
+ text.MakeUpper();
+
+ wxString toReplace = wxRichTextLineBreakChar;
+ text.Replace(toReplace, wxT("<br>"));
- str << textObj->GetText();
+ str << text;
- OutputCharacterFormatting(currentCharStyle, obj->GetAttributes(), stream, false);
+ EndCharacterFormatting(currentCharStyle, charStyle, paraStyle, str);
}
+ wxRichTextImage* image = wxDynamicCast(obj, wxRichTextImage);
+ if( image && (!image->IsEmpty() || image->GetImageBlock().GetData()))
+ WriteImage( image, stream );
+
node2 = node2->GetNext();
}
- OutputParagraphFormatting(currentParaStyle, para->GetAttributes(), stream, false);
+ EndParagraphFormatting(currentParaStyle, paraStyle, str);
- str << wxT("<P>\n");
+ str << wxT("\n");
}
-
node = node->GetNext();
}
- str << wxT("</body></html>\n");
+ CloseLists(-1, str);
+
+ str << wxT("</font>");
+
+ if ((GetFlags() & wxRICHTEXT_HANDLER_NO_HEADER_FOOTER) == 0)
+ str << wxT("</body></html>");
+
+ str << wxT("\n");
+
+ m_buffer = NULL;
return true;
}
-/// Output character formatting
-void wxRichTextHTMLHandler::OutputCharacterFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start)
+void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxTextAttr& currentStyle, const wxTextAttr& thisStyle, const wxTextAttr& WXUNUSED(paraStyle), wxTextOutputStream& str)
{
- wxTextOutputStream str(stream);
+ wxString style;
- bool isBold = false;
- bool isItalic = false;
- bool isUnderline = false;
- wxString faceName;
+ // Is there any change in the font properties of the item?
+ if (thisStyle.GetFontFaceName() != currentStyle.GetFontFaceName())
+ {
+ wxString faceName(thisStyle.GetFontFaceName());
+ style += wxString::Format(wxT(" face=\"%s\""), faceName.c_str());
+ }
+ if (thisStyle.GetFontSize() != currentStyle.GetFontSize())
+ style += wxString::Format(wxT(" size=\"%ld\""), PtToSize(thisStyle.GetFontSize()));
+ if (thisStyle.GetTextColour() != currentStyle.GetTextColour() )
+ {
+ wxString color(thisStyle.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX));
+ style += wxString::Format(wxT(" color=\"%s\""), color.c_str());
+ }
- if (thisStyle.GetFont().Ok())
+ if (style.size())
{
- if (thisStyle.GetFont().GetWeight() == wxBOLD)
- isBold = true;
- if (thisStyle.GetFont().GetStyle() == wxITALIC)
- isItalic = true;
- if (thisStyle.GetFont().GetUnderlined())
- isUnderline = true;
+ str << wxString::Format(wxT("<font %s >"), style.c_str());
+ m_font = true;
+ }
+
+ if (thisStyle.GetFontWeight() == wxBOLD)
+ str << wxT("<b>");
+ if (thisStyle.GetFontStyle() == wxITALIC)
+ str << wxT("<i>");
+ if (thisStyle.GetFontUnderlined())
+ str << wxT("<u>");
+
+ if (thisStyle.HasURL())
+ str << wxT("<a href=\"") << thisStyle.GetURL() << wxT("\">");
+}
- faceName = thisStyle.GetFont().GetFaceName();
+void wxRichTextHTMLHandler::EndCharacterFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, const wxTextAttr& WXUNUSED(paraStyle), wxTextOutputStream& stream)
+{
+ if (thisStyle.HasURL())
+ stream << wxT("</a>");
+
+ if (thisStyle.GetFontUnderlined())
+ stream << wxT("</u>");
+ if (thisStyle.GetFontStyle() == wxITALIC)
+ stream << wxT("</i>");
+ if (thisStyle.GetFontWeight() == wxBOLD)
+ stream << wxT("</b>");
+
+ if (m_font)
+ {
+ m_font = false;
+ stream << wxT("</font>");
}
+}
- if (start)
+/// Begin paragraph formatting
+void wxRichTextHTMLHandler::BeginParagraphFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, wxTextOutputStream& str)
+{
+ if (thisStyle.HasPageBreak())
{
- if (isBold)
- str << wxT("<b>");
- if (isItalic)
- str << wxT("<i>");
- if (isUnderline)
- str << wxT("<u>");
+ str << wxT("<div style=\"page-break-after:always\"></div>\n");
+ }
+
+ if (thisStyle.HasLeftIndent() && thisStyle.GetLeftIndent() != 0)
+ {
+ if (thisStyle.HasBulletStyle())
+ {
+ int indent = thisStyle.GetLeftIndent();
+
+ // Close levels high than this
+ CloseLists(indent, str);
+
+ if (m_indents.GetCount() > 0 && indent == m_indents.Last())
+ {
+ // Same level, no need to start a new list
+ }
+ else if (m_indents.GetCount() == 0 || indent > m_indents.Last())
+ {
+ m_indents.Add(indent);
+
+ wxString tag;
+ int listType = TypeOfList(thisStyle, tag);
+ m_listTypes.Add(listType);
+
+ wxString align = GetAlignment(thisStyle);
+ str << wxString::Format(wxT("<p align=\"%s\">"), align.c_str());
+
+ str << tag;
+ }
+
+ str << wxT("<li> ");
+ }
+ else
+ {
+ CloseLists(-1, str);
+
+ wxString align = GetAlignment(thisStyle);
+ str << wxString::Format(wxT("<p align=\"%s\">"), align.c_str());
+
+ // Use a table
+ int indentTenthsMM = thisStyle.GetLeftIndent() + thisStyle.GetLeftSubIndent();
+ // TODO: convert to pixels
+ int indentPixels = indentTenthsMM/4;
+ str << wxString::Format(wxT("<table border=0 cellpadding=0 cellspacing=0><tr><td width=\"%d\"></td><td>"), indentPixels);
+
+ OutputFont(thisStyle, str);
+
+ if (thisStyle.GetLeftSubIndent() < 0)
+ {
+ str << SymbolicIndent( - thisStyle.GetLeftSubIndent());
+ }
+
+ m_inTable = true;
+ }
}
else
{
- if (isUnderline)
- str << wxT("</u>");
- if (isItalic)
- str << wxT("</i>");
- if (isBold)
- str << wxT("</b>");
+ CloseLists(-1, str);
+
+ wxString align = GetAlignment(thisStyle);
+ str << wxString::Format(wxT("<p align=\"%s\">"), align.c_str());
}
}
-/// Output paragraph formatting
-void wxRichTextHTMLHandler::OutputParagraphFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream, bool start)
+/// End paragraph formatting
+void wxRichTextHTMLHandler::EndParagraphFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, wxTextOutputStream& stream)
{
- // TODO: lists, indentation (using tables), fonts, right-align, ...
+ if (m_inTable)
+ {
+ if (thisStyle.HasFont())
+ stream << wxT("</font>");
- wxTextOutputStream str(stream);
- bool isCentered = false;
+ stream << wxT("</td></tr></table></p>\n");
+ m_inTable = false;
+ }
+ else
+ stream << wxT("</p>\n");
+}
- if (thisStyle.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
+/// Closes lists to level (-1 means close all)
+void wxRichTextHTMLHandler::CloseLists(int level, wxTextOutputStream& str)
+{
+ // Close levels high than this
+ int i = m_indents.GetCount()-1;
+ while (i >= 0)
{
- isCentered = true;
+ int l = m_indents[i];
+ if (l > level)
+ {
+ if (m_listTypes[i] == 0)
+ str << wxT("</ol>");
+ else
+ str << wxT("</ul>");
+ m_indents.RemoveAt(i);
+ m_listTypes.RemoveAt(i);
+ }
+ else
+ break;
+ i --;
+ }
+}
+
+/// Output font tag
+void wxRichTextHTMLHandler::OutputFont(const wxTextAttr& style, wxTextOutputStream& stream)
+{
+ if (style.HasFont())
+ {
+ stream << wxString::Format(wxT("<font face=\"%s\" size=\"%ld\""), style.GetFontFaceName().c_str(), PtToSize(style.GetFontSize()));
+ if (style.HasTextColour())
+ stream << wxString::Format(wxT(" color=\"%s\""), style.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX).c_str());
+ stream << wxT(" >");
}
+}
- if (start)
+int wxRichTextHTMLHandler::TypeOfList( const wxTextAttr& thisStyle, wxString& tag )
+{
+ // We can use number attribute of li tag but not all the browsers support it.
+ // also wxHtmlWindow doesn't support type attribute.
+
+ bool m_is_ul = false;
+ if (thisStyle.GetBulletStyle() == (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD))
+ tag = wxT("<ol type=\"1\">");
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER)
+ tag = wxT("<ol type=\"A\">");
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER)
+ tag = wxT("<ol type=\"a\">");
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER)
+ tag = wxT("<ol type=\"I\">");
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)
+ tag = wxT("<ol type=\"i\">");
+ else
{
- if (isCentered)
- str << wxT("<center>");
+ tag = wxT("<ul>");
+ m_is_ul = true;
}
+
+ if (m_is_ul)
+ return 1;
else
+ return 0;
+}
+
+wxString wxRichTextHTMLHandler::GetAlignment( const wxTextAttr& thisStyle )
+{
+ switch( thisStyle.GetAlignment() )
+ {
+ case wxTEXT_ALIGNMENT_LEFT:
+ return wxT("left");
+ case wxTEXT_ALIGNMENT_RIGHT:
+ return wxT("right");
+ case wxTEXT_ALIGNMENT_CENTER:
+ return wxT("center");
+ case wxTEXT_ALIGNMENT_JUSTIFIED:
+ return wxT("justify");
+ default:
+ return wxT("left");
+ }
+}
+
+void wxRichTextHTMLHandler::WriteImage(wxRichTextImage* image, wxOutputStream& stream)
+{
+ wxTextOutputStream str(stream);
+
+ str << wxT("<img src=\"");
+
+#if wxUSE_FILESYSTEM
+ if (GetFlags() & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY)
+ {
+ if (!image->GetImage().Ok() && image->GetImageBlock().GetData())
+ image->LoadFromBlock();
+ if (image->GetImage().Ok() && !image->GetImageBlock().GetData())
+ image->MakeBlock();
+
+ if (image->GetImage().Ok())
+ {
+ wxString ext(image->GetImageBlock().GetExtension());
+ wxString tempFilename(wxString::Format(wxT("image%d.%s"), sm_fileCounter, ext));
+ wxMemoryFSHandler::AddFile(tempFilename, image->GetImage(), image->GetImageBlock().GetImageType());
+
+ m_imageLocations.Add(tempFilename);
+
+ str << wxT("memory:") << tempFilename;
+ }
+ else
+ str << wxT("memory:?");
+
+ sm_fileCounter ++;
+ }
+ else if (GetFlags() & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES)
+ {
+ if (!image->GetImage().Ok() && image->GetImageBlock().GetData())
+ image->LoadFromBlock();
+ if (image->GetImage().Ok() && !image->GetImageBlock().GetData())
+ image->MakeBlock();
+
+ if (image->GetImage().Ok())
+ {
+ wxString tempDir(GetTempDir());
+ if (tempDir.IsEmpty())
+ tempDir = wxFileName::GetTempDir();
+
+ wxString ext(image->GetImageBlock().GetExtension());
+ wxString tempFilename(wxString::Format(wxT("%s/image%d.%s"), tempDir, sm_fileCounter, ext));
+ image->GetImageBlock().Write(tempFilename);
+
+ m_imageLocations.Add(tempFilename);
+
+ str << wxFileSystem::FileNameToURL(tempFilename);
+ }
+ else
+ str << wxT("file:?");
+
+ sm_fileCounter ++;
+ }
+ else // if (GetFlags() & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_BASE64) // this is implied
+#endif
+ {
+ str << wxT("data:");
+ str << GetMimeType(image->GetImageBlock().GetImageType());
+ str << wxT(";base64,");
+
+ if (image->GetImage().Ok() && !image->GetImageBlock().GetData())
+ image->MakeBlock();
+
+ wxChar* data = b64enc( image->GetImageBlock().GetData(), image->GetImageBlock().GetDataSize() );
+ str << data;
+
+ delete[] data;
+ }
+
+ str << wxT("\" />");
+}
+
+long wxRichTextHTMLHandler::PtToSize(long size)
+{
+ int i;
+ int len = m_fontSizeMapping.GetCount();
+ for (i = 0; i < len; i++)
+ if (size <= m_fontSizeMapping[i])
+ return i+1;
+ return 7;
+}
+
+wxString wxRichTextHTMLHandler::SymbolicIndent(long indent)
+{
+ wxString in;
+ for(;indent > 0; indent -= 20)
+ in.Append( wxT(" ") );
+ return in;
+}
+
+const wxChar* wxRichTextHTMLHandler::GetMimeType(int imageType)
+{
+ switch(imageType)
{
- if (isCentered)
- str << wxT("</center>");
+ case wxBITMAP_TYPE_BMP:
+ return wxT("image/bmp");
+ case wxBITMAP_TYPE_TIF:
+ return wxT("image/tiff");
+ case wxBITMAP_TYPE_GIF:
+ return wxT("image/gif");
+ case wxBITMAP_TYPE_PNG:
+ return wxT("image/png");
+ case wxBITMAP_TYPE_JPEG:
+ return wxT("image/jpeg");
+ default:
+ return wxT("image/unknown");
}
}
+// exim-style base64 encoder
+wxChar* wxRichTextHTMLHandler::b64enc( unsigned char* input, size_t in_len )
+{
+ // elements of enc64 array must be 8 bit values
+ // otherwise encoder will fail
+ // hmmm.. Does wxT macro define a char as 16 bit value
+ // when compiling with UNICODE option?
+ static const wxChar enc64[] = wxT("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
+ wxChar* output = new wxChar[4*((in_len+2)/3)+1];
+ wxChar* p = output;
+
+ while( in_len-- > 0 )
+ {
+ register wxChar a, b;
+
+ a = *input++;
+
+ *p++ = enc64[ (a >> 2) & 0x3f ];
+
+ if( in_len-- == 0 )
+ {
+ *p++ = enc64[ (a << 4 ) & 0x30 ];
+ *p++ = '=';
+ *p++ = '=';
+ break;
+ }
+
+ b = *input++;
+
+ *p++ = enc64[(( a << 4 ) | ((b >> 4) &0xf )) & 0x3f];
+
+ if( in_len-- == 0 )
+ {
+ *p++ = enc64[ (b << 2) & 0x3f ];
+ *p++ = '=';
+ break;
+ }
+
+ a = *input++;
+
+ *p++ = enc64[ ((( b << 2 ) & 0x3f ) | ((a >> 6)& 0x3)) & 0x3f ];
+
+ *p++ = enc64[ a & 0x3f ];
+ }
+ *p = 0;
+
+ return output;
+}
#endif
- // wxUSE_STREAMS
+// wxUSE_STREAMS
+
+/// Delete the in-memory or temporary files generated by the last operation
+bool wxRichTextHTMLHandler::DeleteTemporaryImages()
+{
+ return DeleteTemporaryImages(GetFlags(), m_imageLocations);
+}
+
+/// Delete the in-memory or temporary files generated by the last operation
+bool wxRichTextHTMLHandler::DeleteTemporaryImages(int flags, const wxArrayString& imageLocations)
+{
+ size_t i;
+ for (i = 0; i < imageLocations.GetCount(); i++)
+ {
+ wxString location = imageLocations[i];
+ if (flags & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY)
+ {
+#if wxUSE_FILESYSTEM
+ wxMemoryFSHandler::RemoveFile(location);
#endif
- // wxUSE_RICHTEXT
-
+ }
+ else if (flags & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES)
+ {
+ if (wxFileExists(location))
+ wxRemoveFile(location);
+ }
+ }
+
+ return true;
+}
+
+
+#endif
+// wxUSE_RICHTEXT
+
projects / wxWidgets.git / blobdiff