/////////////////////////////////////////////////////////////////////////////
-// 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"
#ifndef WX_PRECOMP
- #include "wx/wx.h"
+ #include "wx/wx.h"
#endif
#include "wx/filename.h"
bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
{
buffer->Defragment();
-
+
wxTextOutputStream str(stream);
-
+
wxTextAttrEx currentParaStyle = buffer->GetAttributes();
wxTextAttrEx currentCharStyle = buffer->GetAttributes();
-
+
str << wxT("<html><head></head><body>\n");
-
+
/*
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("<table border=0 cellpadding=0 cellspacing=0><tr><td>");
-
+
wxString left_indent = SymbolicIndent(currentParaStyle.GetLeftIndent());
wxString right_indent = SymbolicIndent(currentParaStyle.GetRightIndent());
-
+
str << wxString::Format(wxT("%s</td><td></td><td>%s</td></tr><tr>"),
left_indent.c_str(), //Document-Wide Left Indent
right_indent.c_str()); //Document-Wide Right Indent
-
+
str << wxT("<td></td><td width=\"100%\">");
*/
-
+
str << wxT("<table border=0 cellpadding=0 cellspacing=0><tr><td width=\"100%\">");
-
- str << wxString::Format(wxT("<font face=\"%s\" size=\"%ld\" color=\"#%02X%02X%02X\" >"),
- currentParaStyle.GetFont().GetFaceName().c_str(), Pt_To_Size( currentParaStyle.GetFont().GetPointSize() ),
- currentParaStyle.GetTextColour().Red(), currentParaStyle.GetTextColour().Green(),
- currentParaStyle.GetTextColour().Blue());
-
+
+ str << wxString::Format(wxT("<font face=\"%s\" size=\"%ld\" color=\"%s\" >"),
+ currentParaStyle.GetFont().GetFaceName().c_str(), Pt_To_Size( currentParaStyle.GetFont().GetPointSize() ),
+ currentParaStyle.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX).c_str());
+
//wxString align = GetAlignment( currentParaStyle.GetAlignment() );
//str << wxString::Format(wxT("<p align=\"%s\">"), align );
-
+
m_font = false;
m_indent = 0;
m_list = false;
-
+
wxRichTextObjectList::compatibility_iterator node = buffer->GetChildren().GetFirst();
while (node)
{
wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
wxASSERT (para != NULL);
-
+
if (para)
{
OutputParagraphFormatting(currentParaStyle, para->GetAttributes(), stream);
-
+
wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
while (node2)
{
if (textObj && !textObj->IsEmpty())
{
BeginCharacterFormatting(currentCharStyle, obj->GetAttributes(), stream);
-
+
str << textObj->GetText();
-
+
EndCharacterFormatting(currentCharStyle, obj->GetAttributes(), stream);
}
-
+
wxRichTextImage* image = wxDynamicCast(obj, wxRichTextImage);
if( image && !image->IsEmpty())
Image_to_Base64( image, stream );
-
+
node2 = node2->GetNext();
}
str << wxT("\n");
}
node = node->GetNext();
}
-
+
str << wxT("</font></td></tr></table></body></html>\n");
-
+
return true;
}
void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxTextAttrEx& currentStyle, const wxTextAttrEx& thisStyle, wxOutputStream& stream)
{
wxTextOutputStream str(stream);
-
+
//Is the item bulleted one?
if( thisStyle.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE )
{
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( (thisStyle.GetLeftIndent() == (m_indent + 100)) || (thisStyle.GetLeftIndent() < 100) )
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(thisStyle, str);
//Ok it's done
-
+
//Get the appropriate tag, an ol for numerical values, an ul for dot, square etc.
wxString tag;
TypeOfList(thisStyle, tag);
else
{
//No there isn't a list
-
+
//navigate to new list's horizontal position(indent)
- NavigateToListPosition(thisStyle, str);
-
+ NavigateToListPosition(thisStyle, str);
+
//Get the appropriate tag, an ol for numerical values, an ul for dot, square etc.
wxString tag;
TypeOfList(thisStyle, 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 what should be closed now.
+ //The item is not bulleted and there is a list what 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( thisStyle.GetLeftIndent() )
{
Indent(thisStyle, str);
m_indent = thisStyle.GetLeftIndent() + thisStyle.GetLeftSubIndent();
m_indents.Add( m_indent );
-
+
break;
}
else if( m_indent == (thisStyle.GetLeftIndent() + thisStyle.GetLeftSubIndent()) )
else
{
str << wxT("</td></tr></table>");
-
+
m_indents.RemoveAt(i);
-
+
if( i < 1 ){m_indent=0; break;}
m_indent = m_indents[i-1];
}
else if( m_indent )
{
//The item is not indented and there is a table(s) what should be closed now.
-
+
//So close them
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 on the font properties of the item
if( thisStyle.GetFont().GetFaceName() != currentStyle.GetFont().GetFaceName() )
style += wxString::Format(wxT(" face=\"%s\""), thisStyle.GetFont().GetFaceName().c_str());
if( thisStyle.GetFont().GetPointSize() != currentStyle.GetFont().GetPointSize() )
style += wxString::Format(wxT(" size=\"%ld\""), Pt_To_Size(thisStyle.GetFont().GetPointSize()) );
if( thisStyle.GetTextColour() != currentStyle.GetTextColour() )
- style += wxString::Format(wxT(" color=\"#%02X%02X%02X\""), thisStyle.GetTextColour().Red(),
- thisStyle.GetTextColour().Green(), thisStyle.GetTextColour().Blue());
-
+ style += wxString::Format(wxT(" color=\"%s\""), thisStyle.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX).c_str());
+
if( style.size() )
{
str << wxString::Format(wxT("<font %s >"), style.c_str());
m_font = true;
}
-
+
if( thisStyle.GetFont().GetWeight() == wxBOLD )
str << wxT("<b>");
if( thisStyle.GetFont().GetStyle() == wxITALIC )
void wxRichTextHTMLHandler::EndCharacterFormatting(const wxTextAttrEx& WXUNUSED(currentStyle), const wxTextAttrEx& thisStyle, wxOutputStream& stream)
{
wxTextOutputStream str(stream);
-
+
if( thisStyle.GetFont().GetUnderlined() )
str << wxT("</u>");
if( thisStyle.GetFont().GetStyle() == wxITALIC )
str << wxT("</i>");
if( thisStyle.GetFont().GetWeight() == wxBOLD )
str << wxT("</b>");
-
+
if( m_font )
{
m_font = false;
{
//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
+
+ //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() )
{
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
+ //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() )
{
//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>");
-
+
m_indents.RemoveAt(i);
-
+
if( i < 1 ){m_indent=0; break;}
m_indent = m_indents[i-1];
}
{
//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.
-
-
-
+
+
+
//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
//
//-------------------------------------------
//| 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 )
{
str << SymbolicIndent(~thisStyle.GetLeftSubIndent());
//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>first item |
//| |<-ULI-><li>second item |
//| |</ul> |
//------------------------------------------------------
- // |<-100->|
-
-
+ // |<-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%\">");
void wxRichTextHTMLHandler::TypeOfList( const wxTextAttrEx& thisStyle, wxString& tag )
{
- //We can use number attribute of li tag but not all the browsers support it.
+ //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))
tag = wxT("<ol type=\"1\">");
void wxRichTextHTMLHandler::Image_to_Base64(wxRichTextImage* image, wxOutputStream& stream)
{
wxTextOutputStream str(stream);
-
+
str << wxT("<img src=\"");
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("\" />");
}
//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?
+ //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++ = '=';
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
#endif
// wxUSE_RICHTEXT
-
projects / wxWidgets.git / blobdiff