Keep track of column block positions in ScDocumentImport too.

This currently only affects document import via orcus, but it'll be
good to put this in place.

Change-Id: I8cc6d54aba6fab1f2774127f92c2a764f7b690fb

4 files changed, 101 insertions, 22 deletions

diff --git a/sc/inc/documentimport.hxx b/sc/inc/documentimport.hxx
index eeafbba44c47..afd954bf93d5 100644
--- a/sc/inc/documentimport.hxx
+++ b/sc/inc/documentimport.hxx
@@ -15,10 +15,13 @@
 
 #include "rtl/ustring.hxx"
 
+#include <boost/noncopyable.hpp>
+
 class ScDocument;
 class ScAddress;
 class ScTokenArray;
 class ScBaseCell;
+struct ScDocumentImportImpl;
 
 /**
  * Accessor class to ScDocument.  Its purpose is to allow import filter to
@@ -27,15 +30,15 @@ class ScBaseCell;
  * position calculation, or anything else that requires expensive
  * computation which are unnecessary and undesirable during import.
  */
-class SC_DLLPUBLIC ScDocumentImport
+class SC_DLLPUBLIC ScDocumentImport : boost::noncopyable
 {
-    ScDocument& mrDoc;
+    ScDocumentImportImpl* mpImpl;
 
     ScDocumentImport(); // disabled
 
 public:
     ScDocumentImport(ScDocument& rDoc);
-    ScDocumentImport(const ScDocumentImport& r);
+    ~ScDocumentImport();
 
     ScDocument& getDoc();
     const ScDocument& getDoc() const;
diff --git a/sc/inc/mtvelements.hxx b/sc/inc/mtvelements.hxx
index b21f7c7cc6ca..162838115da9 100644
--- a/sc/inc/mtvelements.hxx
+++ b/sc/inc/mtvelements.hxx
@@ -10,6 +10,7 @@
 #ifndef SC_MTVELEMENTS_HXX
 #define SC_MTVELEMENTS_HXX
 
+#include "address.hxx"
 #include "svl/broadcast.hxx"
 
 #define DEBUG_COLUMN_STORAGE 0
@@ -25,6 +26,10 @@
 #include <mdds/multi_type_vector.hpp>
 #include <mdds/multi_type_vector_custom_func1.hpp>
 
+#include <boost/unordered_map.hpp>
+
+class ScDocument;
+
 namespace sc {
 
 struct CellTextAttr
@@ -74,6 +79,20 @@ struct ColumnBlockPosition
     CellTextAttrStoreType::iterator miCellTextAttrPos;
 };
 
+class ColumnBlockPositionSet
+{
+    typedef boost::unordered_map<SCCOL, ColumnBlockPosition> ColumnsType;
+    typedef boost::unordered_map<SCTAB, ColumnsType> TablesType;
+
+    ScDocument& mrDoc;
+    TablesType maTables;
+
+public:
+    ColumnBlockPositionSet(ScDocument& rDoc);
+
+    ColumnBlockPosition* getBlockPosition(SCTAB nTab, SCCOL nCol);
+};
+
 }
 
 #endif
diff --git a/sc/source/core/data/documentimport.cxx b/sc/source/core/data/documentimport.cxx
index c92688f1ada2..ced09363ccc4 100644
--- a/sc/source/core/data/documentimport.cxx
+++ b/sc/source/core/data/documentimport.cxx
@@ -15,24 +15,36 @@
 #include "formulacell.hxx"
 #include "docoptio.hxx"
 #include "globalnames.hxx"
+#include "mtvelements.hxx"
 
-ScDocumentImport::ScDocumentImport(ScDocument& rDoc) : mrDoc(rDoc) {}
-ScDocumentImport::ScDocumentImport(const ScDocumentImport& r) : mrDoc(r.mrDoc) {}
+struct ScDocumentImportImpl
+{
+    ScDocument& mrDoc;
+    sc::ColumnBlockPositionSet maBlockPosSet;
+
+    ScDocumentImportImpl(ScDocument& rDoc) : mrDoc(rDoc), maBlockPosSet(rDoc) {}
+};
+
+ScDocumentImport::ScDocumentImport(ScDocument& rDoc) : mpImpl(new ScDocumentImportImpl(rDoc)) {}
+ScDocumentImport::~ScDocumentImport()
+{
+    delete mpImpl;
+}
 
 ScDocument& ScDocumentImport::getDoc()
 {
-    return mrDoc;
+    return mpImpl->mrDoc;
 }
 
 const ScDocument& ScDocumentImport::getDoc() const
 {
-    return mrDoc;
+    return mpImpl->mrDoc;
 }
 
 SCTAB ScDocumentImport::getSheetIndex(const OUString& rName) const
 {
     SCTAB nTab = -1;
-    if (!mrDoc.GetTable(rName, nTab))
+    if (!mpImpl->mrDoc.GetTable(rName, nTab))
         return -1;
 
     return nTab;
@@ -40,33 +52,34 @@ SCTAB ScDocumentImport::getSheetIndex(const OUString& rName) const
 
 SCTAB ScDocumentImport::getSheetCount() const
 {
-    return mrDoc.maTabs.size();
+    return mpImpl->mrDoc.maTabs.size();
 }
 
 bool ScDocumentImport::appendSheet(const OUString& rName)
 {
-    SCTAB nTabCount = mrDoc.maTabs.size();
+    SCTAB nTabCount = mpImpl->mrDoc.maTabs.size();
     if (!ValidTab(nTabCount))
         return false;
 
-    mrDoc.maTabs.push_back(new ScTable(&mrDoc, nTabCount, rName));
+    mpImpl->mrDoc.maTabs.push_back(new ScTable(&mpImpl->mrDoc, nTabCount, rName));
     return true;
 }
 
 void ScDocumentImport::setOriginDate(sal_uInt16 nYear, sal_uInt16 nMonth, sal_uInt16 nDay)
 {
-    if (!mrDoc.pDocOptions)
-        mrDoc.pDocOptions = new ScDocOptions;
+    if (!mpImpl->mrDoc.pDocOptions)
+        mpImpl->mrDoc.pDocOptions = new ScDocOptions;
 
-    mrDoc.pDocOptions->SetDate(nDay, nMonth, nYear);
+    mpImpl->mrDoc.pDocOptions->SetDate(nDay, nMonth, nYear);
 }
 
 void ScDocumentImport::setAutoInput(const ScAddress& rPos, const OUString& rStr)
 {
-    if (!mrDoc.TableExists(rPos.Tab()))
+    if (!mpImpl->mrDoc.TableExists(rPos.Tab()))
         return;
 
-    mrDoc.maTabs[rPos.Tab()]->aCol[rPos.Col()].SetString(rPos.Row(), rPos.Tab(), rStr, mrDoc.GetAddressConvention());
+    mpImpl->mrDoc.maTabs[rPos.Tab()]->aCol[rPos.Col()].SetString(
+        rPos.Row(), rPos.Tab(), rStr, mpImpl->mrDoc.GetAddressConvention());
 }
 
 void ScDocumentImport::setNumericCell(const ScAddress& rPos, double fVal)
@@ -82,18 +95,18 @@ void ScDocumentImport::setStringCell(const ScAddress& rPos, const OUString& rStr
 void ScDocumentImport::setFormulaCell(
     const ScAddress& rPos, const OUString& rFormula, formula::FormulaGrammar::Grammar eGrammar)
 {
-    insertCell(rPos, new ScFormulaCell(&mrDoc, rPos, rFormula, eGrammar));
+    insertCell(rPos, new ScFormulaCell(&mpImpl->mrDoc, rPos, rFormula, eGrammar));
 }
 
 void ScDocumentImport::setFormulaCell(const ScAddress& rPos, const ScTokenArray& rArray)
 {
-    insertCell(rPos, new ScFormulaCell(&mrDoc, rPos, &rArray));
+    insertCell(rPos, new ScFormulaCell(&mpImpl->mrDoc, rPos, &rArray));
 }
 
 void ScDocumentImport::finalize()
 {
     // Populate the text width and script type arrays in all columns.
-    ScDocument::TableContainer::iterator itTab = mrDoc.maTabs.begin(), itTabEnd = mrDoc.maTabs.end();
+    ScDocument::TableContainer::iterator itTab = mpImpl->mrDoc.maTabs.begin(), itTabEnd = mpImpl->mrDoc.maTabs.end();
     for (; itTab != itTabEnd; ++itTab)
     {
         if (!*itTab)
@@ -119,14 +132,18 @@ void ScDocumentImport::finalize()
 
 void ScDocumentImport::insertCell(const ScAddress& rPos, ScBaseCell* pCell)
 {
-    if (!mrDoc.TableExists(rPos.Tab()))
+    if (!mpImpl->mrDoc.TableExists(rPos.Tab()))
     {
         pCell->Delete();
         return;
     }
 
-    ScColumn& rCol = mrDoc.maTabs[rPos.Tab()]->aCol[rPos.Col()];
-    rCol.SetCell(rPos.Row(), pCell);
+    ScColumn& rCol = mpImpl->mrDoc.maTabs[rPos.Tab()]->aCol[rPos.Col()];
+    sc::ColumnBlockPosition* p = mpImpl->maBlockPosSet.getBlockPosition(rPos.Tab(), rPos.Col());
+    if (p)
+        rCol.SetCell(*p, rPos.Row(), pCell);
+    else
+        rCol.SetCell(rPos.Row(), pCell);
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/core/data/mtvelements.cxx b/sc/source/core/data/mtvelements.cxx
index 45c06dd4506b..efe07cff5ad7 100644
--- a/sc/source/core/data/mtvelements.cxx
+++ b/sc/source/core/data/mtvelements.cxx
@@ -9,6 +9,7 @@
 
 #include "mtvelements.hxx"
 #include "globalnames.hxx"
+#include "document.hxx"
 
 namespace sc {
 
@@ -24,6 +25,45 @@ CellTextAttr::CellTextAttr(sal_uInt16 nTextWidth, sal_uInt8 nScriptType) :
     mnTextWidth(nTextWidth),
     mnScriptType(nScriptType) {}
 
+ColumnBlockPositionSet::ColumnBlockPositionSet(ScDocument& rDoc) : mrDoc(rDoc) {}
+
+ColumnBlockPosition* ColumnBlockPositionSet::getBlockPosition(SCTAB nTab, SCCOL nCol)
+{
+    TablesType::iterator itTab = maTables.find(nTab);
+    if (itTab == maTables.end())
+    {
+        std::pair<TablesType::iterator,bool> r =
+            maTables.insert(TablesType::value_type(nTab, ColumnsType()));
+        if (!r.second)
+            // insertion failed.
+            return NULL;
+
+        itTab = r.first;
+    }
+
+    ColumnsType& rCols = itTab->second;
+
+    ColumnsType::iterator it = rCols.find(nCol);
+    if (it != rCols.end())
+        // Block position for this column has already been fetched.
+        return &it->second;
+
+    std::pair<ColumnsType::iterator,bool> r =
+        rCols.insert(
+            ColumnsType::value_type(nCol, ColumnBlockPosition()));
+
+    if (!r.second)
+        // insertion failed.
+        return NULL;
+
+    it = r.first;
+
+    if (!mrDoc.InitColumnBlockPosition(it->second, nTab, nCol))
+        return NULL;
+
+    return &it->second;
+}
+
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */