revert

1 files changed, 29 insertions, 1 deletions

diff --git a/noncore/apps/confedit/listviewitemconffile.cpp b/noncore/apps/confedit/listviewitemconffile.cpp
index 858726d..b075063 100644
--- a/noncore/apps/confedit/listviewitemconffile.cpp
+++ b/noncore/apps/confedit/listviewitemconffile.cpp
@@ -70,15 +70,38 @@ void ListViewItemConfFile::parseFile()
  //     qDebug("got key"+s);
             item = new ListViewItemConfigEntry(this, group, s );
       groupItem->insertItem( item );
     }
           }
         confFile.close();
+         unchanged();
         setExpandable( _valid );
 }
 
+
+void ListViewItemConfFile::revert()
+{
+        if (_changed)
+         {
+    parseFile();
+  }else{
+                QString backup = confFileInfo->absFilePath()+"~";
+                 QFile conf(confFileInfo->absFilePath());
+          QFile back(backup);
+
+          if (!back.open(IO_ReadOnly)) return;
+          if (!conf.open(IO_WriteOnly)) return;
+
+          #define SIZE 124
+          char buf[SIZE];
+          while (int c = back.readBlock(buf, SIZE) ) conf.writeBlock(buf,c);
+          conf.close();
+          back.close();
+  }
+}
+
 void ListViewItemConfFile::save()
 {
         if (!_changed) return;
         QString backup = confFileInfo->absFilePath()+"~";
         qDebug("make backup to "+backup);
          QFile conf(confFileInfo->absFilePath());
@@ -98,9 +121,14 @@ void ListViewItemConfFile::save()
          QTextStream *t = new QTextStream( &conf );
   for (QListViewItem *it = firstChild(); it!=0;it = it->nextSibling())
   {
            ((ListViewItemConfigEntry*)it)->save(t);
   }
         conf.close();
-        qDebug("no saveing yet...");
          unchanged();
 }
+
+
+bool ListViewItemConfFile::revertable()
+{
+         return _changed || QFile(confFileInfo->absFilePath()+"~").exists();
+}
\ No newline at end of file