1 files changed, 116 insertions, 0 deletions
diff --git a/sc/source/ui/StatisticsDialogs/MovingAverageDialog.cxx b/sc/source/ui/StatisticsDialogs/MovingAverageDialog.cxx
new file mode 100644
index 000000000..9d990ed5a
--- /dev/null
+++ b/sc/source/ui/StatisticsDialogs/MovingAverageDialog.cxx
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#include <memory>
+
+#include <reffact.hxx>
+#include <TableFillingAndNavigationTools.hxx>
+#include <MovingAverageDialog.hxx>
+#include <scresid.hxx>
+#include <strings.hrc>
+
+ScMovingAverageDialog::ScMovingAverageDialog(
+                    SfxBindings* pSfxBindings, SfxChildWindow* pChildWindow,
+                    weld::Window* pParent, ScViewData& rViewData )
+    : ScStatisticsInputOutputDialog(
+            pSfxBindings, pChildWindow, pParent, rViewData,
+            "modules/scalc/ui/movingaveragedialog.ui",
+            "MovingAverageDialog")
+    , mxTrimRangeCheck(m_xBuilder->weld_check_button("trimrange-check"))
+    , mxIntervalSpin(m_xBuilder->weld_spin_button("interval-spin"))
+{
+}
+
+ScMovingAverageDialog::~ScMovingAverageDialog()
+{
+}
+
+void ScMovingAverageDialog::Close()
+{
+    DoClose( ScMovingAverageDialogWrapper::GetChildWindowId() );
+}
+
+TranslateId ScMovingAverageDialog::GetUndoNameId()
+{
+    return STR_MOVING_AVERAGE_UNDO_NAME;
+}
+
+ScRange ScMovingAverageDialog::ApplyOutput(ScDocShell* pDocShell)
+{
+    AddressWalkerWriter output(mOutputAddress, pDocShell, mDocument,
+            formula::FormulaGrammar::mergeToGrammar( formula::FormulaGrammar::GRAM_ENGLISH, mAddressDetails.eConv));
+    FormulaTemplate aTemplate(&mDocument);
+
+    if (mxTrimRangeCheck->get_active())
+        mDocument.GetDataAreaSubrange(mInputRange);
+
+    std::unique_ptr<DataRangeIterator> pIterator;
+    if (mGroupedBy == BY_COLUMN)
+        pIterator.reset(new DataRangeByColumnIterator(mInputRange));
+    else
+        pIterator.reset(new DataRangeByRowIterator(mInputRange));
+
+    sal_Int32 aIntervalSize = mxIntervalSpin->get_value();
+    const bool aCentral = true; //to-do add support to change this to the dialog
+
+    for( ; pIterator->hasNext(); pIterator->next() )
+    {
+        output.resetRow();
+
+        // Write label
+        if (mGroupedBy == BY_COLUMN)
+            aTemplate.setTemplate(ScResId(STR_COLUMN_LABEL_TEMPLATE));
+        else
+            aTemplate.setTemplate(ScResId(STR_ROW_LABEL_TEMPLATE));
+
+        aTemplate.applyNumber(u"%NUMBER%", pIterator->index() + 1);
+        output.writeBoldString(aTemplate.getTemplate());
+        output.nextRow();
+
+        DataCellIterator aDataCellIterator = pIterator->iterateCells();
+        std::vector<OUString> aFormulas;
+
+        for (; aDataCellIterator.hasNext(); aDataCellIterator.next())
+        {
+            ScAddress aIntervalStart;
+            ScAddress aIntervalEnd;
+
+            if (aCentral)
+            {
+                sal_Int32 aHalf = aIntervalSize / 2;
+                sal_Int32 aHalfRemainder = aIntervalSize % 2;
+                aIntervalStart = aDataCellIterator.getRelative(-aHalf);
+                aIntervalEnd = aDataCellIterator.getRelative(aHalf - 1 + aHalfRemainder);
+            }
+            else
+            {
+                aIntervalStart = aDataCellIterator.getRelative(-aIntervalSize);
+                aIntervalEnd = aDataCellIterator.getRelative(0);
+            }
+
+            if(aIntervalStart.IsValid() && aIntervalEnd.IsValid())
+            {
+                aTemplate.setTemplate("=AVERAGE(%RANGE%)");
+                aTemplate.applyRange(u"%RANGE%", ScRange(aIntervalStart, aIntervalEnd));
+                aFormulas.push_back(aTemplate.getTemplate());
+            }
+            else
+            {
+                aFormulas.push_back("=#N/A");
+            }
+        }
+
+        output.writeFormulas(aFormulas);
+        output.nextColumn();
+    }
+    return ScRange(output.mMinimumAddress, output.mMaximumAddress);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */