fdo#66477 Add sampling feature to calc

Initial implementation of SamplingDialog.

Change-Id: If26e8561705229f83777fb50d53c86b9fe056ffa

9 files changed, 364 insertions, 63 deletions

diff --git a/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx b/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx
new file mode 100644
index 000000000000..c9e8c3462e01
--- /dev/null
+++ b/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx
@@ -0,0 +1,251 @@
+/* -*- 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 <sfx2/dispatch.hxx>
+#include <svl/zforlist.hxx>
+#include <svl/undo.hxx>
+
+#include "rangelst.hxx"
+#include "scitems.hxx"
+#include "docsh.hxx"
+#include "document.hxx"
+#include "uiitems.hxx"
+#include "reffact.hxx"
+#include "scresid.hxx"
+#include "random.hxx"
+#include "docfunc.hxx"
+#include "globstr.hrc"
+#include "sc.hrc"
+
+#include <boost/random.hpp>
+
+#include "SamplingDialog.hxx"
+
+#define ABS_DREF3D SCA_VALID | SCA_COL_ABSOLUTE | SCA_ROW_ABSOLUTE | SCA_TAB_ABSOLUTE | SCA_COL2_ABSOLUTE | SCA_ROW2_ABSOLUTE | SCA_TAB2_ABSOLUTE | SCA_TAB_3D
+
+namespace
+{
+}
+
+ScSamplingDialog::ScSamplingDialog(
+        SfxBindings* pB, SfxChildWindow* pCW, Window* pParent, ScViewData* pViewData ) :
+    ScAnyRefDlg     ( pB, pCW, pParent, "SamplingDialog", "modules/scalc/ui/samplingdialog.ui" ),
+    mViewData       ( pViewData ),
+    mDocument       ( pViewData->GetDocument() ),
+    mAddressDetails ( mDocument->GetAddressConvention(), 0, 0 ),
+    mCurrentAddress ( pViewData->GetCurX(), pViewData->GetCurY(), pViewData->GetTabNo() ),
+    mDialogLostFocus( false )
+{
+    get(mpInputRangeLabel, "input-range-label");
+    get(mpInputRangeEdit, "input-range-edit");
+    mpInputRangeEdit->SetReferences(this, mpInputRangeLabel);
+    get(mpInputRangeButton, "input-range-button");
+    mpInputRangeButton->SetReferences(this, mpInputRangeEdit);
+
+    get(mpOutputRangeLabel, "output-range-label");
+    get(mpOutputRangeEdit, "output-range-edit");
+    mpOutputRangeEdit->SetReferences(this, mpOutputRangeLabel);
+    get(mpOutputRangeButton, "output-range-button");
+    mpOutputRangeButton->SetReferences(this, mpOutputRangeEdit);
+
+    get(mpButtonOk,     "ok");
+    get(mpButtonApply,  "apply");
+    get(mpButtonCancel, "cancel");
+
+    Init();
+    GetRangeFromSelection();
+}
+
+void ScSamplingDialog::Init()
+{
+    mpButtonOk->SetClickHdl( LINK( this, ScSamplingDialog, OkClicked ) );
+    mpButtonCancel->SetClickHdl( LINK( this, ScSamplingDialog, CancelClicked ) );
+    mpButtonApply->SetClickHdl( LINK( this, ScSamplingDialog, ApplyClicked ) );
+
+    Link aLink = LINK( this, ScSamplingDialog, GetFocusHandler );
+    mpInputRangeEdit->SetGetFocusHdl( aLink );
+    mpInputRangeButton->SetGetFocusHdl( aLink );
+    mpOutputRangeEdit->SetGetFocusHdl( aLink );
+    mpOutputRangeButton->SetGetFocusHdl( aLink );
+
+    aLink = LINK( this, ScSamplingDialog, LoseFocusHandler );
+    mpInputRangeEdit->SetLoseFocusHdl( aLink );
+    mpInputRangeButton->SetLoseFocusHdl( aLink );
+    mpOutputRangeEdit->SetLoseFocusHdl( aLink );
+    mpOutputRangeButton->SetLoseFocusHdl( aLink );
+}
+
+void ScSamplingDialog::GetRangeFromSelection()
+{
+    OUString aCurrentString;
+    mViewData->GetSimpleArea(mInputRange);
+    mInputRange.Format( aCurrentString, ABS_DREF3D, mDocument, mAddressDetails );
+    mpInputRangeEdit->SetText( aCurrentString );
+}
+
+
+ScSamplingDialog::~ScSamplingDialog()
+{
+}
+
+void ScSamplingDialog::SetActive()
+{
+    if ( mDialogLostFocus )
+    {
+        mDialogLostFocus = false;
+        if( mpActiveEdit )
+            mpActiveEdit->GrabFocus();
+    }
+    else
+    {
+        GrabFocus();
+    }
+    RefInputDone();
+}
+
+sal_Bool ScSamplingDialog::Close()
+{
+    return DoClose( ScSamplingDialogWrapper::GetChildWindowId() );
+}
+
+void ScSamplingDialog::SetReference( const ScRange& rReferenceRange, ScDocument* pDocument )
+{
+    if ( mpActiveEdit )
+    {
+        if ( rReferenceRange.aStart != rReferenceRange.aEnd )
+            RefInputStart( mpActiveEdit );
+
+        String aReferenceString;
+
+        if ( mpActiveEdit == mpInputRangeEdit )
+        {
+            mInputRange = rReferenceRange;
+            mInputRange.Format( aReferenceString, ABS_DREF3D, pDocument, mAddressDetails );
+            mpInputRangeEdit->SetRefString( aReferenceString );
+        }
+        else if ( mpActiveEdit == mpOutputRangeEdit )
+        {
+            mOutputAddress = rReferenceRange.aStart;
+            sal_uInt16  nFormat = ( mOutputAddress.Tab() == mCurrentAddress.Tab() ) ? SCA_ABS : SCA_ABS_3D;
+            mOutputAddress.Format( aReferenceString, nFormat, pDocument, pDocument->GetAddressConvention() );
+            mpActiveEdit->SetRefString( aReferenceString );
+        }
+    }
+}
+
+void ScSamplingDialog::PerformSampling()
+{
+    OUString aUndo("A");
+    ScDocShell* pDocShell = mViewData->GetDocShell();
+    svl::IUndoManager* pUndoManager = pDocShell->GetUndoManager();
+    pUndoManager->EnterListAction( aUndo, aUndo );
+
+    SCCOL nColStart = mInputRange.aStart.Col();
+    SCCOL nColEnd   = mInputRange.aEnd.Col();
+    SCROW nRowStart = mInputRange.aStart.Row();
+    SCROW nRowEnd   = mInputRange.aEnd.Row();
+    SCTAB nTabStart = mInputRange.aStart.Tab();
+    SCTAB nTabEnd   = mInputRange.aEnd.Tab();
+
+    TimeValue now;
+    osl_getSystemTime(&now);
+    boost::mt19937 seed(now.Nanosec);
+    boost::uniform_01<boost::mt19937> rng(seed);
+
+    SCTAB nOutTab = mOutputAddress.Tab();
+    SCCOL nOutCol = mOutputAddress.Col();
+    SCROW nOutRow = mOutputAddress.Row();
+    for (SCROW nTab = nTabStart; nTab <= nTabEnd; nTab++)
+    {
+        nOutCol = mOutputAddress.Col();
+        for (SCCOL nCol = nColStart; nCol <= nColEnd; nCol++)
+        {
+            nOutRow = mOutputAddress.Row();
+            SCROW nRow = nRowStart;
+
+            SCROW t = 0;
+            SCROW N = (nRowEnd - nRowStart) + 1;
+            int m = 0;
+            int n = 3;
+            double u;
+
+            while (m < n)
+            {
+                u = rng();
+                if ( (N - t)*u >= n - m )
+                {
+                    nRow++;
+                    t++;
+                }
+                else
+                {
+                    double aValue = mDocument->GetValue( ScAddress(nCol, nRow, nTab) );
+                    pDocShell->GetDocFunc().SetValueCell(ScAddress(nOutCol, nOutRow, nOutTab), aValue, true);
+                    nRow++;
+                    nOutRow++;
+                    m++;
+                    t++;
+                }
+            }
+
+            nOutCol++;
+        }
+        nOutTab++;
+    }
+
+    ScRange aOutputRange(mOutputAddress, ScAddress(nOutCol,   nOutRow,   nOutTab) );
+
+    pUndoManager->LeaveListAction();
+
+    pDocShell->PostPaint( aOutputRange, PAINT_GRID );
+}
+
+IMPL_LINK( ScSamplingDialog, OkClicked, PushButton*, /*pButton*/ )
+{
+    PerformSampling();
+    Close();
+    return 0;
+}
+
+
+IMPL_LINK( ScSamplingDialog, ApplyClicked, PushButton*, /*pButton*/ )
+{
+    PerformSampling();
+    return 0;
+}
+
+IMPL_LINK( ScSamplingDialog, CancelClicked, PushButton*, /*pButton*/ )
+{
+    Close();
+    return 0;
+}
+
+IMPL_LINK( ScSamplingDialog, GetFocusHandler, Control*, pCtrl )
+{
+    mpActiveEdit = NULL;
+
+    if(      (pCtrl == (Control*) mpInputRangeEdit)  || (pCtrl == (Control*) mpInputRangeButton) )
+        mpActiveEdit = mpInputRangeEdit;
+    else if( (pCtrl == (Control*) mpOutputRangeEdit) || (pCtrl == (Control*) mpOutputRangeButton) )
+        mpActiveEdit = mpOutputRangeEdit;
+
+    if( mpActiveEdit )
+        mpActiveEdit->SetSelection( Selection( 0, SELECTION_MAX ) );
+
+    return 0;
+}
+
+IMPL_LINK_NOARG(ScSamplingDialog, LoseFocusHandler)
+{
+    mDialogLostFocus = !IsActive();
+    return 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/app/scdll.cxx b/sc/source/ui/app/scdll.cxx
index cb6929ecd908..60da88491796 100644
--- a/sc/source/ui/app/scdll.cxx
+++ b/sc/source/ui/app/scdll.cxx
@@ -268,6 +268,7 @@ void ScDLL::Init()
     ScFormulaDlgWrapper         ::RegisterChildWindow(false, pMod);
 
     ScRandomNumberGeneratorDialogWrapper::RegisterChildWindow(false, pMod);
+    ScSamplingDialogWrapper             ::RegisterChildWindow(false, pMod);
 
     // First docking Window for Calc
     ScFunctionChildWindow       ::RegisterChildWindow(false, pMod);
diff --git a/sc/source/ui/inc/SamplingDialog.hxx b/sc/source/ui/inc/SamplingDialog.hxx
new file mode 100644
index 000000000000..b46524a940bf
--- /dev/null
+++ b/sc/source/ui/inc/SamplingDialog.hxx
@@ -0,0 +1,79 @@
+/* -*- 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/.
+ *
+ */
+
+#ifndef SAMPLING_DIALOG_HXX
+#define SAMPLING_DIALOG_HXX
+
+#include "global.hxx"
+#include "address.hxx"
+#include "anyrefdg.hxx"
+
+#include <vcl/fixed.hxx>
+#include <vcl/group.hxx>
+#include <vcl/lstbox.hxx>
+
+class ScSamplingDialog : public ScAnyRefDlg
+{
+public:
+    ScSamplingDialog(
+        SfxBindings* pB, SfxChildWindow* pCW,
+        Window* pParent, ScViewData* pViewData );
+
+    virtual ~ScSamplingDialog();
+
+    virtual void        SetReference( const ScRange& rRef, ScDocument* pDoc );
+    virtual void        SetActive();
+    virtual sal_Bool    Close();
+
+private:
+    // Widgets
+    FixedText*          mpInputRangeLabel;
+    formula::RefEdit*   mpInputRangeEdit;
+    formula::RefButton* mpInputRangeButton;
+
+    FixedText*          mpOutputRangeLabel;
+    formula::RefEdit*   mpOutputRangeEdit;
+    formula::RefButton* mpOutputRangeButton;
+
+    PushButton*         mpButtonApply;
+    OKButton*           mpButtonOk;
+    CancelButton*       mpButtonCancel;
+
+    //
+    formula::RefEdit*   mpActiveEdit;
+
+    // Data
+    ScViewData*         mViewData;
+    ScDocument*         mDocument;
+
+    ScRange             mInputRange;
+    ScAddress::Details  mAddressDetails;
+    ScAddress           mOutputAddress;
+
+    ScAddress           mCurrentAddress;
+
+    bool                mDialogLostFocus;
+
+    void Init();
+    void GetRangeFromSelection();
+    void PerformSampling();
+
+    DECL_LINK( OkClicked,        PushButton* );
+    DECL_LINK( CancelClicked,    PushButton* );
+    DECL_LINK( ApplyClicked,     PushButton* );
+    DECL_LINK( GetFocusHandler,  Control* );
+    DECL_LINK( LoseFocusHandler, void* );
+
+};
+
+#endif
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/inc/reffact.hxx b/sc/source/ui/inc/reffact.hxx
index aa94ff1108eb..7c1e7d0150d0 100644
--- a/sc/source/ui/inc/reffact.hxx
+++ b/sc/source/ui/inc/reffact.hxx
@@ -51,6 +51,7 @@ DECL_WRAPPER_WITHID(ScFormulaDlgWrapper)
 DECL_WRAPPER_WITHID(ScHighlightChgDlgWrapper)
 
 DECL_WRAPPER_WITHID(ScRandomNumberGeneratorDialogWrapper)
+DECL_WRAPPER_WITHID(ScSamplingDialogWrapper)
 
 class ScAcceptChgDlgWrapper: public SfxChildWindow
 {
diff --git a/sc/source/ui/view/cellsh.cxx b/sc/source/ui/view/cellsh.cxx
index 05d55f4dee3e..489763953595 100644
--- a/sc/source/ui/view/cellsh.cxx
+++ b/sc/source/ui/view/cellsh.cxx
@@ -172,6 +172,7 @@ void ScCellShell::GetBlockState( SfxItemSet& rSet )
             break;
             case FID_FILL_SERIES:       // fill block
             case SID_OPENDLG_RANDOM_NUMBER_GENERATOR:
+            case SID_SAMPLING_DIALOG:
             case SID_OPENDLG_TABOP:     // multiple-cell operations, are at least 2 cells marked?
                 if (pDoc->GetChangeTrack()!=NULL &&nWhich ==SID_OPENDLG_TABOP)
                     bDisable = sal_True;
diff --git a/sc/source/ui/view/cellsh1.cxx b/sc/source/ui/view/cellsh1.cxx
index daac7ec9ca4b..15953b3f3e2f 100644
--- a/sc/source/ui/view/cellsh1.cxx
+++ b/sc/source/ui/view/cellsh1.cxx
@@ -905,7 +905,16 @@ void ScCellShell::ExecuteEdit( SfxRequest& rReq )
             break;
         case SID_OPENDLG_RANDOM_NUMBER_GENERATOR:
             {
-                sal_uInt16          nId  = ScRandomNumberGeneratorDialogWrapper::GetChildWindowId();
+                sal_uInt16 nId  = ScRandomNumberGeneratorDialogWrapper::GetChildWindowId();
+                SfxViewFrame* pViewFrm = pTabViewShell->GetViewFrame();
+                SfxChildWindow* pWnd = pViewFrm->GetChildWindow( nId );
+
+                pScMod->SetRefDialog( nId, pWnd ? false : sal_True );
+            }
+            break;
+        case SID_SAMPLING_DIALOG:
+            {
+                sal_uInt16 nId  = ScSamplingDialogWrapper::GetChildWindowId();
                 SfxViewFrame* pViewFrm = pTabViewShell->GetViewFrame();
                 SfxChildWindow* pWnd = pViewFrm->GetChildWindow( nId );
 
diff --git a/sc/source/ui/view/reffact.cxx b/sc/source/ui/view/reffact.cxx
index cf7e796af408..65adb74eac06 100644
--- a/sc/source/ui/view/reffact.cxx
+++ b/sc/source/ui/view/reffact.cxx
@@ -52,6 +52,7 @@ SFX_IMPL_MODELESSDIALOG_WITHID(ScHighlightChgDlgWrapper, FID_CHG_SHOW )
 SFX_IMPL_MODELESSDIALOG_WITHID(ScSimpleRefDlgWrapper, WID_SIMPLE_REF )
 
 SFX_IMPL_MODELESSDIALOG_WITHID(ScRandomNumberGeneratorDialogWrapper, SID_OPENDLG_RANDOM_NUMBER_GENERATOR )
+SFX_IMPL_MODELESSDIALOG_WITHID(ScSamplingDialogWrapper, SID_SAMPLING_DIALOG )
 
 SFX_IMPL_CHILDWINDOW_WITHID(ScValidityRefChildWin, SID_VALIDITY_REFERENCE)
 
@@ -71,7 +72,10 @@ SfxChildWinInfo ScValidityRefChildWin::GetInfo() const
     return anInfo;
 }
 
-namespace { ScTabViewShell * lcl_GetTabViewShell( SfxBindings *pBindings ); }
+namespace
+{
+    ScTabViewShell* lcl_GetTabViewShell( SfxBindings* pBindings );
+}
 
 #define IMPL_CHILD_CTOR(Class,sid) \
     Class::Class( Window*               pParentP,                   \
@@ -96,101 +100,47 @@ namespace { ScTabViewShell * lcl_GetTabViewShell( SfxBindings *pBindings ); }
             pViewShell->GetViewFrame()->SetChildWindow( nId, false );           \
     }
 
-
-//=========================================================================
-
-//-------------------------------------------------------------------------
-// ScNameDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScNameDlgWrapper, FID_DEFINE_NAME )
 
-//-------------------------------------------------------------------------
-// ScNameDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScNameDefDlgWrapper, FID_ADD_NAME )
 
-//-------------------------------------------------------------------------
-// ScSolverDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScSolverDlgWrapper, SID_OPENDLG_SOLVE )
 
-//-------------------------------------------------------------------------
-// ScOptSolverDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScOptSolverDlgWrapper, SID_OPENDLG_OPTSOLVER )
 
-IMPL_CHILD_CTOR(ScXMLSourceDlgWrapper, SID_MANAGE_XML_SOURCE)
-
-//-------------------------------------------------------------------------
-// ScPivotLayoutWrapper
-//-------------------------------------------------------------------------
+IMPL_CHILD_CTOR( ScXMLSourceDlgWrapper, SID_MANAGE_XML_SOURCE)
 
 IMPL_CHILD_CTOR( ScPivotLayoutWrapper, SID_OPENDLG_PIVOTTABLE )
 
-//-------------------------------------------------------------------------
-// ScTabOpDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScTabOpDlgWrapper, SID_OPENDLG_TABOP )
 
-//-------------------------------------------------------------------------
-// ScFilterDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScFilterDlgWrapper, SID_FILTER )
 
-//-------------------------------------------------------------------------
-// ScSpecialFilterDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScSpecialFilterDlgWrapper, SID_SPECIAL_FILTER )
 
-//-------------------------------------------------------------------------
-// ScDbNameDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScDbNameDlgWrapper, SID_DEFINE_DBNAME )
 
-//-------------------------------------------------------------------------
-// ScColRowNameRangesDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScColRowNameRangesDlgWrapper, SID_DEFINE_COLROWNAMERANGES )
 
-//-------------------------------------------------------------------------
-// ScConsolidateDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScConsolidateDlgWrapper, SID_OPENDLG_CONSOLIDATE )
 
-//-------------------------------------------------------------------------
-// ScPrintAreasDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScPrintAreasDlgWrapper, SID_OPENDLG_EDIT_PRINTAREA )
 
-//-------------------------------------------------------------------------
-// ScFormulaDlgWrapper
-//-------------------------------------------------------------------------
-
 IMPL_CHILD_CTOR( ScFormulaDlgWrapper, SID_OPENDLG_FUNCTION )
 
-
 IMPL_CHILD_CTOR( ScRandomNumberGeneratorDialogWrapper, SID_OPENDLG_RANDOM_NUMBER_GENERATOR )
 
+IMPL_CHILD_CTOR( ScSamplingDialogWrapper, SID_SAMPLING_DIALOG )
+
 //-------------------------------------------------------------------------
 // ScSimpleRefDlgWrapper
 //-------------------------------------------------------------------------
 
 static sal_Bool     bScSimpleRefFlag;
-static long     nScSimpleRefHeight;
-static long     nScSimpleRefWidth;
-static long     nScSimpleRefX;
-static long     nScSimpleRefY;
+static long         nScSimpleRefHeight;
+static long         nScSimpleRefWidth;
+static long         nScSimpleRefX;
+static long         nScSimpleRefY;
 static sal_Bool     bAutoReOpen=sal_True;
 
 ScSimpleRefDlgWrapper::ScSimpleRefDlgWrapper( Window* pParentP,
diff --git a/sc/source/ui/view/tabvwsh.cxx b/sc/source/ui/view/tabvwsh.cxx
index c53bf66f0e84..699a29df406a 100644
--- a/sc/source/ui/view/tabvwsh.cxx
+++ b/sc/source/ui/view/tabvwsh.cxx
@@ -82,6 +82,7 @@ SFX_IMPL_INTERFACE(ScTabViewShell,SfxViewShell,ScResId(SCSTR_TABVIEWSHELL))
     SFX_CHILDWINDOW_REGISTRATION(ScValidityRefChildWin::GetChildWindowId());
 
     SFX_CHILDWINDOW_REGISTRATION(ScRandomNumberGeneratorDialogWrapper::GetChildWindowId());
+    SFX_CHILDWINDOW_REGISTRATION(ScSamplingDialogWrapper::GetChildWindowId());
 }
 
 SFX_IMPL_NAMED_VIEWFACTORY( ScTabViewShell, "Default" )
diff --git a/sc/source/ui/view/tabvwshc.cxx b/sc/source/ui/view/tabvwshc.cxx
index a613c77b30d8..0b169bfd5feb 100644
--- a/sc/source/ui/view/tabvwshc.cxx
+++ b/sc/source/ui/view/tabvwshc.cxx
@@ -62,6 +62,7 @@
 #include "xmlsourcedlg.hxx"
 
 #include "RandomNumberGeneratorDialog.hxx"
+#include "SamplingDialog.hxx"
 
 //------------------------------------------------------------------
 
@@ -320,6 +321,13 @@ SfxModelessDialog* ScTabViewShell::CreateRefDialog(
         }
         break;
 
+        case SID_SAMPLING_DIALOG:
+        {
+            ScViewData*  pViewData  = GetViewData();
+            pResult = new ScSamplingDialog( pB, pCW, pParent, pViewData );
+        }
+        break;
+
         case SID_OPENDLG_OPTSOLVER:
         {
             ScViewData* pViewData = GetViewData();