Refs #5101. Added masked entry for MaskWorkspace data.

This time Martin should be happier as there is an interface class in API so packages
stay as they were.

Code/Mantid/Framework/API/CMakeLists.txt

@@ -154,6 +154,7 @@ set ( INC_FILES
 	inc/MantidAPI/IFunctionWithLocation.h
 	inc/MantidAPI/ILiveListener.h
 	inc/MantidAPI/ILocatedData.h
+	inc/MantidAPI/IMaskWorkspace.h
 	inc/MantidAPI/IMDEventWorkspace.h
 	inc/MantidAPI/IMDHistoWorkspace.h
 	inc/MantidAPI/IMDIterator.h

Code/Mantid/Framework/API/inc/MantidAPI/IMaskWorkspace.h

@@ -0,0 +1,52 @@
+#ifndef MANTID_API_IMASKWORKSPACE_H_
+#define MANTID_API_IMASKWORKSPACE_H_
+
+#include "MantidAPI/MatrixWorkspace.h"
+
+namespace Mantid
+{
+namespace API
+{
+
+
+  /** This class provides an interface to a MaskWorkspace.
+
+    Copyright © 2010 ISIS Rutherford Appleton Laboratory & NScD Oak Ridge National Laboratory
+
+    This file is part of Mantid.
+
+    Mantid 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 3 of the License, or
+    (at your option) any later version.
+
+    Mantid 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, see <http://www.gnu.org/licenses/>.
+
+    File change history is stored at: <https://svn.mantidproject.org/mantid/trunk/Code/Mantid>.
+    Code Documentation is available at: <http://doxygen.mantidproject.org>
+ */
+  class DLLExport IMaskWorkspace
+  {
+  public:
+    /// Return the workspace typeID
+    virtual const std::string id() const { return "IMaskWorkspace"; }
+    /// Total number of masked pixels
+    virtual std::size_t getNumberMasked() const = 0;
+  };
+
+  ///shared pointer to the matrix workspace base class
+  typedef boost::shared_ptr<IMaskWorkspace> IMaskWorkspace_sptr;
+  ///shared pointer to the matrix workspace base class (const version)
+  typedef boost::shared_ptr<const IMaskWorkspace> IMaskWorkspace_const_sptr;
+
+
+}
+}
+
+#endif //MANTID_API_IMASKWORKSPACE_H_

Code/Mantid/Framework/DataObjects/inc/MantidDataObjects/MaskWorkspace.h

@@ -1,6 +1,7 @@
 #ifndef MANTID_DATAOBJECTS_MASKWORKSPACE_H
 #define MANTID_DATAOBJECTS_MASKWORKSPACE_H
 
+#include "MantidAPI/IMaskWorkspace.h"
 #include "MantidAPI/MatrixWorkspace.h"
 #include "MantidDataObjects/SpecialWorkspace2D.h"
 #include "MantidDataObjects/Workspace2D.h"
@@ -11,7 +12,7 @@ namespace Mantid
 namespace DataObjects
 {
 
-    class DLLExport MaskWorkspace : public SpecialWorkspace2D
+    class DLLExport MaskWorkspace : public SpecialWorkspace2D, public API::IMaskWorkspace
     {
     public:
         MaskWorkspace();

Code/Mantid/MantidPlot/src/Mantid/MantidDock.cpp

@@ -5,6 +5,7 @@
 #include <MantidAPI/AlgorithmFactory.h>
 #include <MantidAPI/MemoryManager.h>
 #include <MantidAPI/IEventWorkspace.h>
+#include <MantidAPI/IMaskWorkspace.h>
 #include <MantidAPI/IMDEventWorkspace.h>
 #include <MantidAPI/IMDWorkspace.h>
 #include "MantidAPI/IMDHistoWorkspace.h"
@@ -701,6 +702,17 @@ void MantidDockWidget::populateMatrixWorkspaceData(Mantid::API::MatrixWorkspace_
     excludeItemFromSort(data_item);
     ws_item->addChild(data_item);
   }
+  else
+  {
+    if (workspace->id() == "MaskWorkspace")
+    {
+      IMaskWorkspace_sptr maskWS = boost::dynamic_pointer_cast<IMaskWorkspace>(workspace);
+      data_item = new MantidTreeWidgetItem(QStringList("Masked: " + QLocale(QLocale::English).toString(double(maskWS->getNumberMasked()), 'd', 0)), m_tree);
+      data_item->setFlags(Qt::NoItemFlags);
+      excludeItemFromSort(data_item);
+      ws_item->addChild(data_item);
+    }
+  }
 
 
   //Extra stuff for EventWorkspace