X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b774c69893f6c93061d59809e0cf61bb5265faa9..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/richtext/richtexthtml.cpp diff --git a/src/richtext/richtexthtml.cpp b/src/richtext/richtexthtml.cpp index 95ed0c1d4c..2ec15138eb 100644 --- a/src/richtext/richtexthtml.cpp +++ b/src/richtext/richtexthtml.cpp @@ -19,6 +19,7 @@ #if wxUSE_RICHTEXT #include "wx/richtext/richtexthtml.h" +#include "wx/richtext/richtextstyles.h" #ifndef WX_PRECOMP #endif @@ -36,6 +37,18 @@ 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 { @@ -58,27 +71,29 @@ bool wxRichTextHTMLHandler::DoLoadFile(wxRichTextBuffer *WXUNUSED(buffer), wxInp 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"); - str << wxT("<table border=0 cellpadding=0 cellspacing=0><tr><td width=\"100%\">\n"); + str << wxT("<table border=0 cellpadding=0 cellspacing=0><tr><td width=\"100%\">"); - str << wxString::Format(wxT("<font face=\"%s\" size=\"%ld\" color=\"%s\" >"), - currentParaStyle.GetFont().GetFaceName().c_str(), PtToSize(currentParaStyle.GetFont().GetPointSize()), - currentParaStyle.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX).c_str()); + OutputFont(currentParaStyle, str); m_font = false; - m_indent = 0; - m_list = false; + m_inTable = false; + + m_indents.Clear(); + m_listTypes.Clear(); wxRichTextObjectList::compatibility_iterator node = buffer->GetChildren().GetFirst(); while (node) @@ -88,9 +103,9 @@ bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& if (para) { - wxTextAttrEx paraStyle(para->GetCombinedAttributes()); - - OutputParagraphFormatting(currentParaStyle, paraStyle, stream); + wxTextAttr paraStyle(para->GetCombinedAttributes()); + + BeginParagraphFormatting(currentParaStyle, paraStyle, str); wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst(); while (node2) @@ -99,17 +114,20 @@ bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); if (textObj && !textObj->IsEmpty()) { - wxTextAttrEx charStyle(para->GetCombinedAttributes(obj->GetAttributes())); - BeginCharacterFormatting(currentCharStyle, charStyle, paraStyle, stream); - + 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 << text; - EndCharacterFormatting(currentCharStyle, charStyle, paraStyle, stream); + EndCharacterFormatting(currentCharStyle, charStyle, paraStyle, str); } wxRichTextImage* image = wxDynamicCast(obj, wxRichTextImage); @@ -118,166 +136,42 @@ bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& node2 = node2->GetNext(); } + + EndParagraphFormatting(currentParaStyle, paraStyle, str); + str << wxT("\n"); } node = node->GetNext(); } - str << wxT("</font></td></tr></table>"); + CloseLists(-1, str); + + str << wxT("</font>"); + + str << wxT("</td></tr></table><p>"); if ((GetFlags() & wxRICHTEXT_HANDLER_NO_HEADER_FOOTER) == 0) str << wxT("</body></html>"); - + str << wxT("\n"); + m_buffer = NULL; + return true; } -void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, const wxTextAttrEx& paraStyle, wxOutputStream& stream) +void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxTextAttr& currentStyle, const wxTextAttr& thisStyle, const wxTextAttr& WXUNUSED(paraStyle), wxTextOutputStream& str) { - wxTextOutputStream str(stream); - - // Is the item a bulleted one? - if ( paraStyle.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE ) - { - // Is there any opened list? - if (m_list) - { - // Yes there is - - // Is the item among the previous ones? - // Is the item one of the previous list tag's child items? - if ((paraStyle.GetLeftIndent() == (m_indent + 100)) || (paraStyle.GetLeftIndent() < 100)) - str << wxT("<li>"); //Yes it is - else - { - // No it isn't, so we should close the list tag - str << (m_is_ul ? wxT("</ul>") : wxT("</ol>")); - - // And renavigate to new list's horizontal position - NavigateToListPosition(paraStyle, str); - - // Get the appropriate tag, an ol for numerical values, an ul for dot, square etc. - wxString tag; - TypeOfList(paraStyle, tag); - str << tag << wxT("<li>"); - } - } - else - { - // No there isn't a list. - // navigate to new list's horizontal position(indent) - NavigateToListPosition(paraStyle, str); - - // Get the appropriate tag, an ol for numerical values, an ul for dot, square etc. - wxString tag; - TypeOfList(paraStyle, tag); - str << tag << wxT("<li>"); - - // Now we have a list, mark it. - m_list = true; - } - } - else if( m_list ) - { - // The item is not bulleted and there is a list that should be closed now. - // So close the list - - str << (m_is_ul ? wxT("</ul>") : wxT("</ol>")); - - // And mark as there is no an opened list - m_list = false; - } - - // does the item have an indentation ? - if( paraStyle.GetLeftIndent() ) - { - if (paraStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE) - { - if (m_indent) - { - if ((paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent()) == m_indent) - { - if (paraStyle.GetLeftSubIndent() < 0) - { - str << SymbolicIndent(~paraStyle.GetLeftSubIndent()); - } - } - else - { - if (paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent() > m_indent) - { - Indent(paraStyle, str); - m_indent = paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent(); - m_indents.Add( m_indent ); - } - else - { - int i = m_indents.size() - 1; - for (; i > -1; i--) - { - if (m_indent < (paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent())) - { - Indent(paraStyle, str); - m_indent = paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent(); - m_indents.Add( m_indent ); - - break; - } - else if (m_indent == (paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent())) - { - if (paraStyle.GetLeftSubIndent() < 0) - { - str << SymbolicIndent(~paraStyle.GetLeftSubIndent()); - } - break; - } - else - { - str << wxT("</td></tr></table>"); - - m_indents.RemoveAt(i); - - if(i < 1) - { - m_indent=0; break; - } - m_indent = m_indents[i-1]; - } - } - } - } - } - else - { - Indent(paraStyle, str); - m_indent = paraStyle.GetLeftIndent() + paraStyle.GetLeftSubIndent(); - m_indents.Add( m_indent ); - } - } - } - else if (m_indent) - { - // The item is not indented and there is a table(s) that should be closed now. - - for (unsigned int i = 0; i < m_indents.size(); i++) - str << wxT("</td></tr></table>"); - - m_indent = 0; - m_indents.Clear(); - } - - wxString style; // Is there any change in the font properties of the item? - if (thisStyle.GetFont().GetFaceName() != currentStyle.GetFont().GetFaceName()) + if (thisStyle.GetFontFaceName() != currentStyle.GetFontFaceName()) { - wxString faceName(thisStyle.GetFont().GetFaceName()); + wxString faceName(thisStyle.GetFontFaceName()); style += wxString::Format(wxT(" face=\"%s\""), faceName.c_str()); } - if (thisStyle.GetFont().GetPointSize() != currentStyle.GetFont().GetPointSize()) - style += wxString::Format(wxT(" size=\"%ld\""), PtToSize(thisStyle.GetFont().GetPointSize())); + 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)); @@ -290,176 +184,161 @@ void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxTextAttrEx& current m_font = true; } - if (thisStyle.GetFont().GetWeight() == wxBOLD) + if (thisStyle.GetFontWeight() == wxBOLD) str << wxT("<b>"); - if (thisStyle.GetFont().GetStyle() == wxITALIC) + if (thisStyle.GetFontStyle() == wxITALIC) str << wxT("<i>"); - if (thisStyle.GetFont().GetUnderlined()) + if (thisStyle.GetFontUnderlined()) str << wxT("<u>"); - + if (thisStyle.HasURL()) str << wxT("<a href=\"") << thisStyle.GetURL() << wxT("\">"); } -void wxRichTextHTMLHandler::EndCharacterFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, const wxTextAttrEx& WXUNUSED(paraStyle), wxOutputStream& stream) +void wxRichTextHTMLHandler::EndCharacterFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, const wxTextAttr& WXUNUSED(paraStyle), wxTextOutputStream& stream) { - wxTextOutputStream str(stream); - if (thisStyle.HasURL()) - str << wxT("</a>"); + stream << wxT("</a>"); - if (thisStyle.GetFont().GetUnderlined()) - str << wxT("</u>"); - if (thisStyle.GetFont().GetStyle() == wxITALIC) - str << wxT("</i>"); - if (thisStyle.GetFont().GetWeight() == wxBOLD) - str << wxT("</b>"); + 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; - str << wxT("</font>"); + stream << wxT("</font>"); } } -/// Output paragraph formatting -void wxRichTextHTMLHandler::OutputParagraphFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream) +/// Begin paragraph formatting +void wxRichTextHTMLHandler::BeginParagraphFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, wxTextOutputStream& str) { - // If there is no opened list currently, insert a <p> after every paragraph - if (!m_list) - { - wxTextOutputStream str(stream); - wxString align = GetAlignment(thisStyle); - str << wxString::Format(wxT("<p align=\"%s\">"), align.c_str()); - } - if (thisStyle.HasPageBreak()) { - wxTextOutputStream str(stream); + str << wxT("</tr></td></table>"); str << wxT("<div style=\"page-break-after:always\"></div>\n"); + str << wxT("<table border=0 cellpadding=0 cellspacing=0><tr><td width=\"100%\">"); } -} - -void wxRichTextHTMLHandler::NavigateToListPosition(const wxTextAttrEx& thisStyle, wxTextOutputStream& str) -{ - // indenting an item using an ul/ol tag is equal to inserting 5 x on its left side. - // so we should start from 100 point left - // Is the second td's left wall of the current indentaion table at the 100+ point-left-side - // of the item, horizontally? - if (m_indent + 100 < thisStyle.GetLeftIndent()) + if (thisStyle.HasLeftIndent() && thisStyle.GetLeftIndent() != 0) { - // yes it is - LIndent(thisStyle, str); - m_indent = thisStyle.GetLeftIndent() - 100; - m_indents.Add( m_indent ); - return; - } - // No it isn't - - int i = m_indents.size() - 1; - for (; i > -1; i--) - { - //Is the second td's left wall of the current indentaion table at the 100+ point-left-side - //of the item ? - if (m_indent + 100 < thisStyle.GetLeftIndent()) + if (thisStyle.HasBulletStyle()) { - // Yes it is - LIndent(thisStyle, str); - m_indent = thisStyle.GetLeftIndent() - 100; - m_indents.Add( m_indent ); - break; + 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 if (m_indent + 100 == thisStyle.GetLeftIndent()) - break; //exact match else { - // No it is not, the second td's left wall of the current indentaion table is at the - //right side of the current item horizontally, so close it. - str << wxT("</td></tr></table>"); + CloseLists(-1, str); - m_indents.RemoveAt(i); + 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 (i < 1) + if (thisStyle.GetLeftSubIndent() < 0) { - m_indent=0; break; + str << SymbolicIndent( - thisStyle.GetLeftSubIndent()); } - m_indent = m_indents[i-1]; + + m_inTable = true; } } + else + { + CloseLists(-1, str); + + wxString align = GetAlignment(thisStyle); + str << wxString::Format(wxT("<p align=\"%s\">"), align.c_str()); + } } -void wxRichTextHTMLHandler::Indent( const wxTextAttrEx& thisStyle, wxTextOutputStream& str ) + +/// End paragraph formatting +void wxRichTextHTMLHandler::EndParagraphFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, wxTextOutputStream& stream) { - //There is no way to indent an item in HTML, but we can use tables. - - // Item -> "Hello world" - // Its Left Indentation -> 100 - // Its Left Sub-Indentation ->40 - // A typical indentation-table for the item will be construct as the following - - // 3 x nbsp = 60 - // 2 x nbsp = 40 - // LSI = Left Sub Indent - // LI = Left Indent - LSI - // - // ------------------------------------------- - // | nbsp;|nbsp;nbsp;Hello World | - // | | | | | - // | V | V | - // | --LI-- | --LSI-- | - // ------------------------------------------- - - str << wxT("<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr>"); - - wxString symbolic_indent = SymbolicIndent( (thisStyle.GetLeftIndent() + thisStyle.GetLeftSubIndent()) - m_indent ); - str << wxString::Format( wxT("<td>%s</td>"), symbolic_indent.c_str() ); - str << wxT("<td width=\"100%\">"); - - if (thisStyle.GetLeftSubIndent() < 0) + if (m_inTable) { - str << SymbolicIndent(~thisStyle.GetLeftSubIndent()); + if (thisStyle.HasFont()) + stream << wxT("</font>"); + + stream << wxT("</td></tr></table>\n"); + m_inTable = false; } } -void wxRichTextHTMLHandler::LIndent( const wxTextAttrEx& thisStyle, wxTextOutputStream& str ) +/// Closes lists to level (-1 means close all) +void wxRichTextHTMLHandler::CloseLists(int level, wxTextOutputStream& str) { - // Code: - // r.BeginNumberedBullet(1, 200, 60); - // r.Newline(); - // r.WriteText(wxT("first item")); - // r.EndNumberedBullet(); - // r.BeginNumberedBullet(2, 200, 60); - // r.Newline(); - // r.WriteText(wxT("second item.")); - // r.EndNumberedBullet(); - // - // A typical indentation-table for the item will be construct as the following - - // 1 x nbsp = 20 point - // ULI -> 100pt (UL/OL tag indents its sub element by 100 point) - // <--------- 100 pt ---------->| - // ------------------------------------------------------ - // | nbsp; nbsp;|<ul> | - // | |<-ULI-><li>first item | - // | |<-ULI-><li>second item | - // | |</ul> | - // ------------------------------------------------------ - // |<-100->| - - - str << wxT("<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr>"); - - wxString symbolic_indent = SymbolicIndent( (thisStyle.GetLeftIndent() - m_indent) - 100); - str << wxString::Format( wxT("<td>%s</td>"), symbolic_indent.c_str() ); - str << wxT("<td width=\"100%\">"); + // Close levels high than this + int i = m_indents.GetCount()-1; + while (i >= 0) + { + 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 --; + } } -void wxRichTextHTMLHandler::TypeOfList( const wxTextAttrEx& thisStyle, wxString& tag ) +/// 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(" >"); + } +} + +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. - m_is_ul = false; + 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) @@ -475,9 +354,14 @@ void wxRichTextHTMLHandler::TypeOfList( const wxTextAttrEx& thisStyle, wxString& tag = wxT("<ul>"); m_is_ul = true; } + + if (m_is_ul) + return 1; + else + return 0; } -wxString wxRichTextHTMLHandler::GetAlignment( const wxTextAttrEx& thisStyle ) +wxString wxRichTextHTMLHandler::GetAlignment( const wxTextAttr& thisStyle ) { switch( thisStyle.GetAlignment() ) { @@ -509,13 +393,13 @@ void wxRichTextHTMLHandler::WriteImage(wxRichTextImage* image, wxOutputStream& s image->MakeBlock(); if (image->GetImage().Ok()) - { + { wxString ext(image->GetImageBlock().GetExtension()); - wxString tempFilename(wxString::Format(wxT("image%d.%s"), sm_fileCounter, (const wxChar*) ext)); + 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 @@ -531,18 +415,18 @@ void wxRichTextHTMLHandler::WriteImage(wxRichTextImage* image, wxOutputStream& s 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"), (const wxChar*) tempDir, sm_fileCounter, (const wxChar*) ext)); + 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); + + str << wxFileSystem::FileNameToURL(tempFilename); } else str << wxT("file:?"); @@ -570,14 +454,12 @@ void wxRichTextHTMLHandler::WriteImage(wxRichTextImage* image, wxOutputStream& s long wxRichTextHTMLHandler::PtToSize(long size) { - // return approximate size - if (size < 9 ) return 1; - else if( size < 11 ) return 2; - else if( size < 14 ) return 3; - else if( size < 18 ) return 4; - else if( size < 23 ) return 5; - else if( size < 30 ) return 6; - else return 7; + 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) @@ -671,7 +553,7 @@ bool wxRichTextHTMLHandler::DeleteTemporaryImages(int flags, const wxArrayString for (i = 0; i < imageLocations.GetCount(); i++) { wxString location = imageLocations[i]; - + if (flags & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY) { #if wxUSE_FILESYSTEM @@ -684,7 +566,7 @@ bool wxRichTextHTMLHandler::DeleteTemporaryImages(int flags, const wxArrayString wxRemoveFile(location); } } - + return true; }