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tdepim/plugins/kmail/bodypartformatter/text_xdiff.cpp

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/*
This file is part of tdepim.
Copyright (c) 2004 Till Adam <adam@kde.org>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the TQt library by Trolltech AS, Norway (or with modified versions
of TQt that use the same license as TQt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
TQt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <interfaces/bodypartformatter.h>
#include <interfaces/bodypart.h>
#include <interfaces/bodyparturlhandler.h>
#include <tdehtmlparthtmlwriter.h>
#include <kmail/callback.h>
#include <kmail/kmmessage.h>
#include <tdeglobal.h>
#include <tdelocale.h>
#include <kstringhandler.h>
#include <tdeglobalsettings.h>
#include <kiconloader.h>
#include <kdebug.h>
#include <tdemessagebox.h>
#include <kstandarddirs.h>
#include <tdeapplication.h>
#include <tqurl.h>
#include <tqfile.h>
#include <tqdir.h>
#include <tqstylesheet.h>
namespace {
// TODO: Show filename header to make it possible to save the patch.
// FIXME: The box should only be as wide as necessary.
class Formatter : public KMail::Interface::BodyPartFormatter {
public:
Result format( KMail::Interface::BodyPart *bodyPart, KMail::HtmlWriter *writer, KMail::Callback & ) const {
if ( !writer ) return Ok;
if ( bodyPart->defaultDisplay() == KMail::Interface::BodyPart::AsIcon )
return AsIcon;
const TQString diff = bodyPart->asText();
if ( diff.isEmpty() ) return AsIcon;
TQString addedLineStyle = TQString::fromLatin1(
"style=\""
"color: green;\"");
TQString fileAddStyle( "style=\"font-weight: bold; "
"color: green; \"" );
TQString removedLineStyle = TQString::fromLatin1(
"style=\""
"color: red;\"");
TQString fileRemoveStyle( "style=\"font-weight: bold; "
"color: red ;\"" );
TQString tableStyle = TQString::fromLatin1(
"style=\""
"text-align: -tdehtml-auto; "
"border: solid black 1px; "
"padding: 0.5em; "
"margin: 0em;\"");
TQString sepStyle( "style=\"color: black; font-weight: bold;\"" );
TQString chunkStyle( "style=\"color: blue;\"" );
TQString html = "<br><div align=\"center\">";
html += "<pre " + tableStyle + ">";
TQStringList lines = TQStringList::split( '\n', diff, true );
for ( TQStringList::Iterator it = lines.begin(); it != lines.end(); ++it ) {
TQString line( TQStyleSheet::escape( *it ) );
TQString style;
if ( line.length() > 0 ) {
if ( line.startsWith( "+++" ) ) {
style = fileAddStyle;
} else if ( line.startsWith( "---" ) ) {
style = fileRemoveStyle;
} else if ( line.startsWith( "+" ) || line.startsWith( ">" ) ) {
style = addedLineStyle;
} else if ( line.startsWith( "-" ) || line.startsWith( "<" ) ) {
style = removedLineStyle;
} else if ( line.startsWith( "==") ) {
style = sepStyle;
} else if ( line.startsWith( "@@" ) ) {
style = chunkStyle;
} else {
style = "";
}
}
html += "<span " + style + ">" + line + "</span><br/>";
}
html += "</pre></div>";
//tqDebug( "%s", html.latin1() );
writer->queue( html );
return Ok;
}
};
class Plugin : public KMail::Interface::BodyPartFormatterPlugin {
public:
const KMail::Interface::BodyPartFormatter * bodyPartFormatter( int idx ) const {
return idx == 0 ? new Formatter() : 0 ;
}
const char * type( int idx ) const {
return idx == 0 ? "text" : 0 ;
}
const char * subtype( int idx ) const {
return idx == 0 ? "x-diff" : 0 ;
}
const KMail::Interface::BodyPartURLHandler * urlHandler( int ) const { return 0; }
};
}
extern "C"
KMail::Interface::BodyPartFormatterPlugin *
libkmail_bodypartformatter_text_xdiff_create_bodypart_formatter_plugin() {
return new Plugin();
}