sc/source/ui/StatisticsDialogs/ExponentialSmoothingDialog.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  */
  10
  11 #include <sfx2/dispatch.hxx>
  12 #include <svl/zforlist.hxx>
  13 #include <svl/undo.hxx>
  14
  15 #include "formulacell.hxx"
  16 #include "rangelst.hxx"
  17 #include "scitems.hxx"
  18 #include "docsh.hxx"
  19 #include "document.hxx"
  20 #include "uiitems.hxx"
  21 #include "reffact.hxx"
  22 #include "strload.hxx"
  23 #include "random.hxx"
  24 #include "docfunc.hxx"
  25 #include "StatisticsDialogs.hrc"
  26 #include "TableFillingAndNavigationTools.hxx"
  27
  28 #include "ExponentialSmoothingDialog.hxx"
  29
  30 ScExponentialSmoothingDialog::ScExponentialSmoothingDialog(
  31                     SfxBindings* pSfxBindings, SfxChildWindow* pChildWindow,
  32                     Window* pParent, ScViewData* pViewData ) :
  33     ScStatisticsInputOutputDialog(
  34             pSfxBindings, pChildWindow, pParent, pViewData,
  35             "ExponentialSmoothingDialog", "modules/scalc/ui/exponentialsmoothingdialog.ui" )
  36 {
  37     get(mpSmoothingFactor, "smoothing-factor-spin");
  38 }
  39
  40 ScExponentialSmoothingDialog::~ScExponentialSmoothingDialog()
  41 {}
  42
  43 sal_Bool ScExponentialSmoothingDialog::Close()
  44 {
  45     return DoClose( ScExponentialSmoothingDialogWrapper::GetChildWindowId() );
  46 }
  47
  48 sal_Int16 ScExponentialSmoothingDialog::GetUndoNameId()
  49 {
  50     return STR_EXPONENTIAL_SMOOTHING_UNDO_NAME;
  51 }
  52
  53 ScRange ScExponentialSmoothingDialog::ApplyOutput(ScDocShell* pDocShell)
  54 {
  55     AddressWalkerWriter output(mOutputAddress, pDocShell, mDocument,
  56             formula::FormulaGrammar::mergeToGrammar( formula::FormulaGrammar::GRAM_ENGLISH, mAddressDetails.eConv));
  57     FormulaTemplate aTemplate(mDocument, mAddressDetails);
  58
  59     // Smoothing factor
  60     double aSmoothingFactor = mpSmoothingFactor->GetValue() / 100.0;
  61
  62     // Alpha
  63     output.writeBoldString(SC_STRLOAD(RID_STATISTICS_DLGS, STR_LABEL_ALPHA));
  64     output.nextRow();
  65
  66     // Alpha Value
  67     ScAddress aSmoothingFactorAddress = output.current();
  68     output.writeValue(aSmoothingFactor);
  69     output.nextRow();
  70
  71     // Exponential Smoothing
  72     output.push();
  73
  74     boost::scoped_ptr<DataRangeIterator> pIterator;
  75     if (mGroupedBy == BY_COLUMN)
  76         pIterator.reset(new DataRangeByColumnIterator(mInputRange));
  77     else
  78         pIterator.reset(new DataRangeByRowIterator(mInputRange));
  79
  80     for( ; pIterator->hasNext(); pIterator->next() )
  81     {
  82         output.resetRow();
  83
  84         ScRange aCurrentRange = pIterator->get();
  85
  86         // Write column label
  87         if (mGroupedBy == BY_COLUMN)
  88             aTemplate.setTemplate(SC_STRLOAD(RID_STATISTICS_DLGS, STR_COLUMN_LABEL_TEMPLATE));
  89         else
  90             aTemplate.setTemplate(SC_STRLOAD(RID_STATISTICS_DLGS, STR_ROW_LABEL_TEMPLATE));
  91         aTemplate.applyNumber("%NUMBER%", pIterator->index() + 1);
  92         output.writeBoldString(aTemplate.getTemplate());
  93         output.nextRow();
  94
  95         // Initial value
  96         if (false)
  97         {
  98             aTemplate.setTemplate("=AVERAGE(%RANGE%)");
  99             aTemplate.applyRange("%RANGE%", aCurrentRange);
 100             output.writeFormula(aTemplate.getTemplate());
 101         }
 102         else
 103         {
 104             aTemplate.setTemplate("=%VAR%");
 105             aTemplate.applyAddress("%VAR%", aCurrentRange.aStart);
 106             output.writeFormula(aTemplate.getTemplate());
 107         }
 108
 109         output.nextRow();
 110
 111         DataCellIterator aDataCellIterator = pIterator->iterateCells();
 112
 113         for (; aDataCellIterator.hasNext(); aDataCellIterator.next())
 114         {
 115             aTemplate.setTemplate("=%VALUE% * %PREVIOUS_INPUT% + (1 - %VALUE%) * %PREVIOUS_OUTPUT%");
 116             aTemplate.applyAddress("%PREVIOUS_INPUT%",  aDataCellIterator.get());
 117             aTemplate.applyAddress("%PREVIOUS_OUTPUT%", output.current(0, -1));
 118             aTemplate.applyAddress("%VALUE%",           aSmoothingFactorAddress);
 119
 120             output.writeFormula(aTemplate.getTemplate());
 121             output.nextRow();
 122         }
 123         output.nextColumn();
 124     }
 125
 126     return ScRange (output.mMinimumAddress, output.mMaximumAddress);
 127 }
 128
 129 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */