Complete backport of stem plots from today's QtiPlot. Re #2654.

They can now be created from tables via the gui as well.
Also added back the MdiSubWindow::print() method to Note. Re #4341.

Code/Mantid/MantidPlot/src/ApplicationWindow.cpp

@@ -1333,6 +1333,8 @@ void ApplicationWindow::plotMenuAboutToShow()
   statMenu->addAction(actionBoxPlot);
   statMenu->addAction(actionPlotHistogram);
   statMenu->addAction(actionPlotStackedHistograms);
+  statMenu->insertSeparator();
+  statMenu->addAction(actionStemPlot);
 
   QMenu *panelsMenu = plot2DMenu->addMenu (tr("Pa&nel"));
   panelsMenu->addAction(actionPlot2VerticalLayers);
@@ -1982,6 +1984,35 @@ QString ApplicationWindow::stemPlot(Table *t, const QString& colName, int power,
   return result;
 }
 
+Note * ApplicationWindow::newStemPlot()
+{
+  Table *t = (Table *)activeWindow(TableWindow);
+  if (!t)
+    return NULL;
+
+    int ts = t->table()->currentSelection();
+    if (ts < 0)
+    return NULL;
+
+  Note *n = newNote();
+  if (!n)
+    return NULL;
+  n->hide();
+
+  QStringList lst = t->selectedColumns();
+  if (lst.isEmpty()){
+    Q3TableSelection sel = t->table()->selection(ts);
+    for (int i = sel.leftCol(); i <= sel.rightCol(); i++)
+      n->setText(stemPlot(t, t->colName(i), 1001, sel.topRow() + 1, sel.bottomRow() + 1) + "\n");
+  } else {
+    for (int i = 0; i < lst.count(); i++)
+      n->setText(stemPlot(t, lst[i], 1001) + "\n");
+  }
+
+  n->show();
+  return n;
+}
+
 void ApplicationWindow::renameListViewItem(const QString& oldName,const QString& newName)
 {
   Q3ListViewItem *it=lv->findItem (oldName,0, Q3ListView::ExactMatch | Qt::CaseSensitive );
@@ -6581,6 +6612,8 @@ void ApplicationWindow::showColMenu(int c)
     stat.addAction(actionBoxPlot);
     stat.addAction(QIcon(getQPixmap("histogram_xpm")),tr("&Histogram"), this, SLOT(plotHistogram()));
     stat.addAction(QIcon(getQPixmap("stacked_hist_xpm")),tr("&Stacked Histograms"), this, SLOT(plotStackedHistograms()));
+    stat.insertSeparator();
+    stat.addAction(actionStemPlot);
     stat.setTitle(tr("Statistical &Graphs"));
     plot.addMenu(&stat);
 
@@ -6699,6 +6732,8 @@ void ApplicationWindow::showColMenu(int c)
     stat.addAction(actionBoxPlot);
     stat.addAction(QIcon(getQPixmap("histogram_xpm")),tr("&Histogram"), this, SLOT(plotHistogram()));
     stat.addAction(QIcon(getQPixmap("stacked_hist_xpm")),tr("&Stacked Histograms"), this, SLOT(plotStackedHistograms()));
+    stat.insertSeparator();
+    stat.addAction(actionStemPlot);
     stat.setTitle(tr("Statistical &Graphs"));
     plot.addMenu(&stat);
 
@@ -12443,6 +12478,9 @@ void ApplicationWindow::createActions()
   actionPlotStackedHistograms = new QAction(QIcon(getQPixmap("stacked_hist_xpm")), tr("&Stacked Histogram"), this);
   connect(actionPlotStackedHistograms, SIGNAL(activated()), this, SLOT(plotStackedHistograms()));
 
+  actionStemPlot = new QAction(QIcon(":/leaf.png"), tr("Stem-and-&Leaf Plot"), this);
+  connect(actionStemPlot, SIGNAL(activated()), this, SLOT(newStemPlot()));
+
   actionPlot2VerticalLayers = new QAction(QIcon(getQPixmap("panel_v2_xpm")), tr("&Vertical 2 Layers"), this);
   connect(actionPlot2VerticalLayers, SIGNAL(activated()), this, SLOT(plot2VerticalLayers()));
 
@@ -13286,6 +13324,9 @@ void ApplicationWindow::translateActionsStrings()
   actionPlot4Layers->setMenuText(tr("&4 Layers"));
   actionPlotStackedLayers->setMenuText(tr("&Stacked Layers"));
 
+  actionStemPlot->setMenuText(tr("Stem-and-&Leaf Plot"));
+  actionStemPlot->setToolTip(tr("Stem-and-Leaf Plot"));
+
   actionPlot3DRibbon->setMenuText(tr("&Ribbon"));
   actionPlot3DRibbon->setToolTip(tr("Plot 3D ribbon"));
 

Code/Mantid/MantidPlot/src/ApplicationWindow.h

@@ -458,6 +458,7 @@ public slots:
 
   /// Create a stem plot from a table and return a string representation of it
   QString stemPlot(Table *t = 0, const QString& colName = QString(), int power = 0, int startRow = 0, int endRow = -1);
+  Note *newStemPlot();
 
   //! Check whether a table is valid for a 3D plot and display an appropriate error if not
   bool validFor3DPlot(Table *table);
@@ -1327,7 +1328,7 @@ public slots:
   QAction *actionShowConsole;
   QAction *actionSwapColumns, *actionMoveColRight, *actionMoveColLeft, *actionMoveColFirst, *actionMoveColLast;
   QAction *actionExportGraph, *actionExportAllGraphs, *actionPrint, *actionPrintAllPlots, *actionShowExportASCIIDialog;
-  QAction *actionExportPDF, *actionReadOnlyCol;
+  QAction *actionExportPDF, *actionReadOnlyCol, *actionStemPlot;
   QAction *actionCloseAllWindows, *actionClearLogInfo, *actionClearConsole, *actionShowPlotWizard, *actionShowConfigureDialog;
   QAction *actionShowCurvesDialog, *actionAddErrorBars, *actionRemoveErrorBars, *actionAddFunctionCurve, *actionUnzoom, *actionNewLegend, *actionAddImage, *actionAddText;
   QAction *actionPlotL, *actionPlotP, *actionPlotLP, *actionPlotVerticalDropLines, *actionPlotSpline;

Code/Mantid/MantidPlot/src/Note.cpp

@@ -33,6 +33,8 @@
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QTextStream>
+#include <Qsci/qsciprinter.h>
+#include <QPrintDialog>
 #include "MantidKernel/ConfigService.h"
 
 Note::Note(const QString& label, ApplicationWindow* parent, const QString& name, Qt::WFlags f)
@@ -88,6 +90,19 @@ void Note::restore(const QStringList& data)
     te->append((*line++)+"\n");  //Mantid - changes for QScintilla
 }
 
+void Note::print()
+{
+  QsciPrinter printer(QPrinter::HighResolution);
+  printer.setColorMode(QPrinter::GrayScale);
+  printer.setOutputFormat(QPrinter::PostScriptFormat);
+  QPrintDialog printDialog(&printer);
+  printDialog.setWindowTitle("MantidPlot - Print Script");
+  if (printDialog.exec() == QDialog::Accepted)
+  {
+    te->document()->print(&printer);
+  }
+}
+
 QString Note::exportASCII(const QString &filename)
 {
   QString filter;

Code/Mantid/MantidPlot/src/Note.h

@@ -59,6 +59,7 @@ public slots:
   QString text() { return te->text(); }
   void setText(const QString &s) { te->setText(s); }
 
+  void print();
   QString exportASCII(const QString &filename=QString::null);
 
 private: