Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 152 insertions, 0 deletions

diff --git a/plugins/kmail/bodypartformatter/text_xdiff.cpp b/plugins/kmail/bodypartformatter/text_xdiff.cpp
new file mode 100644
index 000000000..ada37be80
--- /dev/null
+++ b/plugins/kmail/bodypartformatter/text_xdiff.cpp
@@ -0,0 +1,152 @@
+/*
+    This file is part of kdepim.
+
+    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 Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), 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
+    Qt.  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 <khtmlparthtmlwriter.h>
+
+#include <kmail/callback.h>
+#include <kmail/kmmessage.h>
+
+#include <kglobal.h>
+#include <klocale.h>
+#include <kstringhandler.h>
+#include <kglobalsettings.h>
+#include <kiconloader.h>
+#include <kdebug.h>
+#include <kmessagebox.h>
+#include <kstandarddirs.h>
+#include <kapplication.h>
+
+#include <qurl.h>
+#include <qfile.h>
+#include <qdir.h>
+#include <qstylesheet.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 ) const {
+
+      if ( !writer ) return Ok;
+
+      if (  bodyPart->defaultDisplay() == KMail::Interface::BodyPart::AsIcon )
+        return AsIcon;
+
+      const QString diff = bodyPart->asText();
+      if ( diff.isEmpty() ) return AsIcon;
+
+
+
+      QString addedLineStyle = QString::fromLatin1(
+        "style=\""
+        "color: green;\"");
+      QString fileAddStyle( "style=\"font-weight: bold; "
+                            "color: green; \"" );
+
+      QString removedLineStyle = QString::fromLatin1(
+        "style=\""
+        "color: red;\"");
+      QString fileRemoveStyle( "style=\"font-weight: bold; "
+                               "color: red ;\"" );
+
+      QString tableStyle = QString::fromLatin1(
+        "style=\""
+        "text-align: -khtml-auto; "
+        "border: solid black 1px; "
+        "padding: 0.5em; "
+        "margin: 0em;\"");
+
+      QString sepStyle( "style=\"color: black; font-weight: bold;\"" );
+      QString chunkStyle( "style=\"color: blue;\"" );
+
+      QString html = "<br><div align=\"center\">";
+      html += "<pre " + tableStyle + ">";
+
+      QStringList lines = QStringList::split( '\n', diff, true );
+      for ( QStringList::Iterator it = lines.begin(); it != lines.end(); ++it ) {
+        QString line( QStyleSheet::escape( *it ) );
+        QString 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>";
+      //qDebug( "%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();
+}