X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/07854e5edda33cdb2c4ff50f545f7a3eb94badc3..63ced01b228ba426db163b75667a9b57d092f8db:/src/richtext/richtexthtml.cpp diff --git a/src/richtext/richtexthtml.cpp b/src/richtext/richtexthtml.cpp index 4326e33e15..c5df308797 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 @@ -27,13 +28,32 @@ #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 { wxString path, file, ext; - wxSplitPath(filename, & path, & file, & ext); + wxFileName::SplitPath(filename, & path, & file, & ext); return (ext.Lower() == wxT("html") || ext.Lower() == wxT("htm")); } @@ -51,417 +71,380 @@ bool wxRichTextHTMLHandler::DoLoadFile(wxRichTextBuffer *WXUNUSED(buffer), wxInp bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) { - buffer->Defragment(); + m_buffer = buffer; - wxTextOutputStream str(stream); - - wxTextAttrEx currentParaStyle = buffer->GetAttributes(); - wxTextAttrEx currentCharStyle = buffer->GetAttributes(); - - str << wxT("
\n"); + ClearTemporaryImageLocations(); - /* - wxRichText may be support paper formats like a1/a2/a3/a4 - when this widget grown enough, i should turn back and support its new features - but not yet - - str << wxT(""); - - wxString left_indent = SymbolicIndent(currentParaStyle.GetLeftIndent()); - wxString right_indent = SymbolicIndent(currentParaStyle.GetRightIndent()); + buffer->Defragment(); - str << wxString::Format(wxT("%s | %s | |
");
- */
+ {
+#if wxUSE_UNICODE
+ wxTextOutputStream str(stream, wxEOL_NATIVE, *conv);
+#else
+ wxTextOutputStream str(stream, wxEOL_NATIVE);
+#endif
- str << wxT("
")); -void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, const wxTextAttrEx& paraStyle, wxOutputStream& stream) -{ - wxTextOutputStream str(stream); + str << text; - //Is the item bulleted one? - if( paraStyle.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE ) - { - //Is there any opened list? - if( m_list ) - { - //Yes there is + EndCharacterFormatting(currentCharStyle, charStyle, paraStyle, str); + } - //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(" |
after every paragraph - if(!m_list) - { - wxTextOutputStream str(stream); - wxString align = GetAlignment( thisStyle ); - str << wxString::Format(wxT("
"), align.c_str()); + stream << wxT(""); } } -void wxRichTextHTMLHandler::NavigateToListPosition(const wxTextAttrEx& thisStyle, wxTextOutputStream& str) +/// Begin paragraph formatting +void wxRichTextHTMLHandler::BeginParagraphFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& 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.HasPageBreak()) { - //yes it is - LIndent(thisStyle, str); - m_indent = thisStyle.GetLeftIndent() - 100; - m_indents.Add( m_indent ); - return; + str << wxT("
\n"); } - //No it isn't - int i = m_indents.size() - 1; - for(; i > -1; i--) + if (thisStyle.HasLeftIndent() && thisStyle.GetLeftIndent() != 0) { - //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); + + // wxHTML needs an extrabefore a list when using
...
in previous paragraphs. + // TODO: pass a flag that indicates we're using wxHTML. + str << wxT("\n"); + + str << tag; + } + + str << wxT("
0.0))
+ {
+ styleStr += wxString::Format(wxT("margin-left: %.2fmm; "), indentLeftMM);
+ }
+ float indentRightMM = thisStyle.GetRightIndent()/10.0;
+ if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && thisStyle.HasRightIndent() && (indentRightMM > 0.0))
+ {
+ styleStr += wxString::Format(wxT("margin-right: %.2fmm; "), indentRightMM);
+ }
+ // First line indentation
+ float firstLineIndentMM = - thisStyle.GetLeftSubIndent() / 10.0;
+ if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && (firstLineIndentMM > 0.0))
+ {
+ styleStr += wxString::Format(wxT("text-indent: %.2fmm; "), firstLineIndentMM);
+ }
+
+ if (!styleStr.IsEmpty())
+ str << wxT(" style=\"") << styleStr << wxT("\"");
+
+ str << wxT(">");
+
+ // TODO: convert to pixels
+ int indentPixels = static_cast "Hello world"
- //Its Left Indentation -> 100
- //Its Left Sub-Indentation ->40
- //A typical indentation-table for the item will be construct as the following
+ styleStr += wxString::Format(wxT("margin-bottom: %.2fmm; "), spacingAfterMM);
+ }
- //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-- |
- //-------------------------------------------
+ if (!styleStr.IsEmpty())
+ str << wxT(" style=\"") << styleStr << wxT("\"");
- str << wxT(""), indentPixels);
+ m_inTable = true;
+ }
- if( i < 1 ){m_indent=0; break;}
- m_indent = m_indents[i-1];
+ if (((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) == 0) && (thisStyle.GetLeftSubIndent() < 0))
+ {
+ str << SymbolicIndent( - thisStyle.GetLeftSubIndent());
+ }
}
}
-}
-void wxRichTextHTMLHandler::Indent( const wxTextAttrEx& thisStyle, wxTextOutputStream& str )
-{
- //As a five year experienced web developer i assure you there is no way to indent an item
- //in html way, but we can use tables.
+ else
+ {
+ CloseLists(-1, str);
+
+ wxString align = GetAlignment(thisStyle);
+ str << wxString::Format(wxT("
\n");
+ m_inTable = false;
}
+ else if (!thisStyle.HasBulletStyle())
+ stream << wxT("\n");
+}
+
+/// 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)
+ {
+ int l = m_indents[i];
+ if (l > level)
+ {
+ if (m_listTypes[i] == 0)
+ str << wxT("");
+ else
+ str << wxT("");
+ m_indents.RemoveAt(i);
+ m_listTypes.RemoveAt(i);
+ }
+ else
+ break;
+ i --;
+ }
}
-void wxRichTextHTMLHandler::LIndent( const wxTextAttrEx& thisStyle, wxTextOutputStream& str )
+/// Output font tag
+void wxRichTextHTMLHandler::OutputFont(const wxTextAttr& style, wxTextOutputStream& stream)
{
- //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;|");
+ str << wxT(">");
+ }
+ OutputFont(thisStyle, str);
+}
- wxString symbolic_indent = SymbolicIndent( (thisStyle.GetLeftIndent() + thisStyle.GetLeftSubIndent()) - m_indent );
- str << wxString::Format( wxT(" %s "), symbolic_indent.c_str() );
- str << wxT("");
+/// End paragraph formatting
+void wxRichTextHTMLHandler::EndParagraphFormatting(const wxTextAttr& WXUNUSED(currentStyle), const wxTextAttr& thisStyle, wxTextOutputStream& stream)
+{
+ if (thisStyle.HasFont())
+ stream << wxT("");
- if( thisStyle.GetLeftSubIndent() < 0 )
+ if (m_inTable)
{
- str << SymbolicIndent(~thisStyle.GetLeftSubIndent());
+ stream << wxT(" |
- //| |<-ULI->
|
- //------------------------------------------------------
- // |<-100->|
-
-
- str << wxT("");
-
- wxString symbolic_indent = SymbolicIndent( (thisStyle.GetLeftIndent() - m_indent) - 100);
- str << wxString::Format( wxT(" %s "), symbolic_indent.c_str() );
- str << wxT("");
+ if (style.HasFont())
+ {
+ stream << wxString::Format(wxT("");
+ }
}
-void wxRichTextHTMLHandler::TypeOfList( const wxTextAttrEx& thisStyle, wxString& tag )
+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.
+ // 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;
- if( thisStyle.GetBulletStyle() == (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD))
+ bool m_is_ul = false;
+ if (thisStyle.GetBulletStyle() == (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD))
tag = wxT(" ");
- else if( thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER )
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER)
tag = wxT("
");
- else if( thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER )
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER)
tag = wxT("
");
- else if( thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER )
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER)
tag = wxT("
");
- else if( thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER )
+ else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)
tag = wxT("
");
else
{
tag = wxT("
");
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() )
{
@@ -478,36 +461,88 @@ wxString wxRichTextHTMLHandler::GetAlignment( const wxTextAttrEx& thisStyle )
}
}
-void wxRichTextHTMLHandler::Image_to_Base64(wxRichTextImage* image, wxOutputStream& stream)
+void wxRichTextHTMLHandler::WriteImage(wxRichTextImage* image, wxOutputStream& stream)
{
wxTextOutputStream str(stream);
str << wxT("GetImageBlock().GetImageType());
- str << wxT(";base64,");
- if (image->GetImage().Ok() && !image->GetImageBlock().GetData())
- image->MakeBlock();
+#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;
+ wxChar* data = b64enc( image->GetImageBlock().GetData(), image->GetImageBlock().GetDataSize() );
+ str << data;
- delete[] data;
+ delete[] data;
+ }
str << wxT("\" />");
}
-long wxRichTextHTMLHandler::Pt_To_Size(long size)
+long wxRichTextHTMLHandler::PtToSize(long size)
{
- //return most 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)
@@ -537,13 +572,13 @@ const wxChar* wxRichTextHTMLHandler::GetMimeType(int imageType)
}
}
-//exim-style base64 encoder
+// 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?
+ // 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;
@@ -588,5 +623,37 @@ wxChar* wxRichTextHTMLHandler::b64enc( unsigned char* input, size_t in_len )
#endif
// 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
+ }
+ else if (flags & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES)
+ {
+ if (wxFileExists(location))
+ wxRemoveFile(location);
+ }
+ }
+
+ return true;
+}
+
+
#endif
// wxUSE_RICHTEXT
+