1 files changed, 67 insertions, 0 deletions
diff --git a/src/part/fileTree.cpp b/src/part/fileTree.cpp
new file mode 100644
index 0000000..f459d50
--- /dev/null
+++ b/src/part/fileTree.cpp
@@ -0,0 +1,67 @@
+//Author: Max Howell <max.howell@methylblue.com>, (C) 2004
+//Copyright: See COPYING file that comes with this distribution
+
+#include "fileTree.h"
+#include <kglobal.h>
+#include <klocale.h>
+#include <qfile.h>
+
+
+//static definitions
+const uint File::DENOMINATOR[4] = { 1<<0, 1<<10, 1<<20, 1<<30 };
+static const char PREFIX[4]   = { 'K', 'M', 'G', 'T' };
+
+
+QString
+File::fullPath( const Directory *root /*= 0*/ ) const
+{
+   QString path;
+
+   if( root == this )
+      root = 0; //prevent returning empty string when there is something we could return
+
+   for( const Directory *d = (Directory*)this; d != root && d; d = d->parent() )
+      path.prepend( d->name() );
+
+   return path;
+}
+
+QString
+File::humanReadableSize( UnitPrefix key /*= mega*/ ) const //FIXME inline
+{
+   return humanReadableSize( m_size, key );
+}
+
+QString
+File::humanReadableSize( uint size, UnitPrefix key /*= mega*/ ) //static
+{
+   if( size == 0 )
+      return "0 B";
+
+   QString s;
+   double prettySize = (double)size / (double)DENOMINATOR[key];
+   const KLocale &locale = *KGlobal::locale();
+
+   if( prettySize >= 0.01 )
+   {
+      //use three significant figures
+      if( prettySize < 1 )        s = locale.formatNumber( prettySize, 2 );
+      else if( prettySize < 100 ) s = locale.formatNumber( prettySize, 1 );
+      else                        s = locale.formatNumber( prettySize, 0 );
+
+      s += ' ';
+      s += PREFIX[key];
+      s += 'B';
+   }
+
+   if( prettySize < 0.1 )
+   {
+      s += " (";
+      s += locale.formatNumber( size / DENOMINATOR[key - 1], 0 );
+      s += ' ';
+      s += PREFIX[key - 1];
+      s += "B)";
+   }
+
+   return s;
+}