Only replot when new filename has been entered

Refs #10299
mantidproject · Oct 10, 2014 · 3490ff3 · 3490ff3
1 parent 05adfa1
commit 3490ff3
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/IndirectDiagnostics.h b/Code/Mantid/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/IndirectDiagnostics.h
@@ -75,6 +75,9 @@ namespace CustomInterfaces
     void updatePreviewPlot();
     void sliceAlgDone(bool error);
 
+  private:
+    QString m_lastDiagFilename;
+
   };
 } // namespace CustomInterfaces
 } // namespace Mantid

diff --git a/Code/Mantid/MantidQt/CustomInterfaces/src/IndirectDiagnostics.cpp b/Code/Mantid/MantidQt/CustomInterfaces/src/IndirectDiagnostics.cpp
@@ -21,7 +21,7 @@ namespace CustomInterfaces
   /** Constructor
    */
   IndirectDiagnostics::IndirectDiagnostics(Ui::IndirectDataReduction& uiForm, QWidget * parent) :
-      IndirectDataReductionTab(uiForm, parent)
+      IndirectDataReductionTab(uiForm, parent), m_lastDiagFilename("")
   {
     // Property Tree
     m_propTrees["SlicePropTree"] = new QtTreePropertyBrowser();
@@ -227,14 +227,21 @@ namespace CustomInterfaces
    */
   void IndirectDiagnostics::slicePlotRaw()
   {
+    QString filename = m_uiForm.slice_inputFile->getFirstFilename();
+
+    // Only update if we have a different file
+    if(filename == m_lastDiagFilename)
+      return;
+
+    m_lastDiagFilename = filename;
+
     disconnect(m_dblManager, SIGNAL(valueChanged(QtProperty*, double)), this, SLOT(updatePreviewPlot()));
     disconnect(m_blnManager, SIGNAL(valueChanged(QtProperty*, bool)), this, SLOT(updatePreviewPlot()));
 
     setDefaultInstDetails();
 
     if ( m_uiForm.slice_inputFile->isValid() )
     {
-      QString filename = m_uiForm.slice_inputFile->getFirstFilename();
       QFileInfo fi(filename);
       QString wsname = fi.baseName();