From c161564bd04b30c5f7e7ba4d549f0965d8a96247 Mon Sep 17 00:00:00 2001
From: Muthu Subramanian K <sumuthu@novell.com>
Date: Fri, 15 Oct 2010 15:40:19 +0530
Subject: [PATCH] Adding support for importing charts using InternalData.

This is similar to sc's chart importer.
---
 chart2/source/inc/InternalData.hxx           |  2 +
 chart2/source/tools/InternalData.cxx         | 38 ++++++++--
 chart2/source/tools/InternalDataProvider.cxx | 78 +++++++++++++++++++-
 3 files changed, 108 insertions(+), 10 deletions(-)

diff --git a/chart2/source/inc/InternalData.hxx b/chart2/source/inc/InternalData.hxx
index 6b6590cffdac..c94e3346175e 100644
--- a/chart2/source/inc/InternalData.hxx
+++ b/chart2/source/inc/InternalData.hxx
@@ -41,6 +41,8 @@ public:
     InternalData();
 
     void createDefaultData();
+    bool isDefaultData();
+    void clearDefaultData();
 
     void setData( const ::com::sun::star::uno::Sequence<
         ::com::sun::star::uno::Sequence< double > > & rDataInRows );
diff --git a/chart2/source/tools/InternalData.cxx b/chart2/source/tools/InternalData.cxx
index ecd34372641e..10729906f4d1 100644
--- a/chart2/source/tools/InternalData.cxx
+++ b/chart2/source/tools/InternalData.cxx
@@ -89,6 +89,13 @@ InternalData::InternalData()
     , m_aColumnLabels( 0 )
 {}
 
+static const double fDefaultData[] = {
+    9.10, 3.20, 4.54,
+    2.40, 8.80, 9.65,
+    3.10, 1.50, 3.70,
+    4.30, 9.02, 6.20
+};
+
 void InternalData::createDefaultData()
 {
     const sal_Int32 nRowCount = 4;
@@ -101,12 +108,6 @@ void InternalData::createDefaultData()
     const OUString aRowName( ::chart::SchResId::getResString( STR_ROW_LABEL ));
     const OUString aColName( ::chart::SchResId::getResString( STR_COLUMN_LABEL ));
 
-    const double fDefaultData[ nSize ] =
-        { 9.10, 3.20, 4.54,
-          2.40, 8.80, 9.65,
-          3.10, 1.50, 3.70,
-          4.30, 9.02, 6.20 };
-
     m_aData.resize( nSize );
     for( sal_Int32 i=0; i<nSize; ++i )
         m_aData[i] = fDefaultData[i];
@@ -122,6 +123,31 @@ void InternalData::createDefaultData()
                 lcl_NumberedStringGenerator( aColName, C2U("%COLUMNNUMBER") ));
 }
 
+bool InternalData::isDefaultData()
+{
+
+    if( m_nRowCount == 4 && m_nColumnCount == 3 )
+    {
+        for( sal_Int32 i=0; i<(4*3); ++i )
+            if( m_aData[i] != fDefaultData[i] )
+                return false;
+
+        return true;
+    }
+    return false;
+}
+
+void InternalData::clearDefaultData()
+{
+    if( isDefaultData() )
+    {
+        m_nRowCount = m_nColumnCount = 1;
+        m_aData.resize( 1 );
+        m_aRowLabels.clear();
+        m_aColumnLabels.clear();
+    }
+}
+
 void InternalData::setData( const Sequence< Sequence< double > >& rDataInRows )
 {
     m_nRowCount = rDataInRows.getLength();
diff --git a/chart2/source/tools/InternalDataProvider.cxx b/chart2/source/tools/InternalDataProvider.cxx
index 66c17da1186d..634a3c26db4d 100644
--- a/chart2/source/tools/InternalDataProvider.cxx
+++ b/chart2/source/tools/InternalDataProvider.cxx
@@ -488,9 +488,80 @@ void InternalDataProvider::lcl_decreaseMapReferences(
 Reference< chart2::data::XDataSequence > InternalDataProvider::lcl_createDataSequenceAndAddToMap(
     const OUString & rRangeRepresentation )
 {
+    OUString aRangeRepresentation = rRangeRepresentation;
+    if( aRangeRepresentation.indexOf('{') >= 0 )
+    {
+        sal_Int32   i, m, n;
+        ::std::vector< double > aNewData;
+        ::std::vector< OUString > aNewLabels;
+        OUString    aToken;
+        sal_Int32   nCategories     = 0;
+        sal_Int32   nIndex          = 0;
+        bool        bValues         = true;
+        bool        bLabelSet       = false;
+        OUString str = aRangeRepresentation.replace('{',' ').replace('}',' ');
+
+        m_aInternalData.clearDefaultData();
+        n = m_aInternalData.getColumnCount();
+        if( n )
+            n = n - 1;
+
+        do
+        {
+            // TODO: This will be problematic if ';' is used in label names
+            // '"' character also needs to be considered in such cases
+            aToken = str.getToken(0,';',nIndex);
+            if( !aToken.getLength() )
+                break;
+            if( aToken.indexOf('"') < 0 )
+            {
+                aNewData.push_back( aToken.toDouble() );
+            }
+            else
+            {
+                aNewLabels.push_back( aToken.replace('"', ' ').trim() );
+                if( !nCategories &&
+                   ( !m_aInternalData.getComplexColumnLabel(n).size() ||
+                     !m_aInternalData.getComplexColumnLabel(n).front().getLength() ) )
+                {
+                    m_aInternalData.setComplexColumnLabel( n, aNewLabels );
+                    bLabelSet = true;
+                }
+                else
+                {
+                    m_aInternalData.setComplexRowLabel(nCategories, aNewLabels);
+                    if(nCategories==1 && bLabelSet)
+                    {
+                        ::std::vector< OUString > aLabels;
+                        m_aInternalData.setComplexRowLabel( 0, m_aInternalData.getComplexColumnLabel( n ) );
+                        m_aInternalData.setComplexColumnLabel( n, aLabels );
+                    }
+                }
+                aNewLabels.pop_back();
+                nCategories++;
+                bValues = false;
+            }
+        } while( nIndex >= 0 );
+
+        if( bValues )
+        {
+            m_aInternalData.insertColumn( n );
+            m_aInternalData.setColumnValues( n, aNewData );
+            aRangeRepresentation = OUString::valueOf( n );
+        }
+        else if( nCategories > 1 )
+        {
+            aRangeRepresentation = lcl_aCategoriesRangeName;
+        }
+        else
+        {
+            aRangeRepresentation = lcl_aLabelRangePrefix+OUString::valueOf( n );
+        }
+    }
+
     Reference< chart2::data::XDataSequence > xSeq(
-        new UncachedDataSequence( this, rRangeRepresentation ));
-    lcl_addDataSequenceToMap( rRangeRepresentation, xSeq );
+        new UncachedDataSequence( this, aRangeRepresentation ));
+    lcl_addDataSequenceToMap( aRangeRepresentation, xSeq );
     return xSeq;
 }
 
@@ -685,8 +756,7 @@ Reference< chart2::data::XDataSequence > SAL_CALL InternalDataProvider::createDa
     else if( aRangeRepresentation.getLength())
     {
         // data
-        sal_Int32 nIndex = aRangeRepresentation.toInt32();
-        return lcl_createDataSequenceAndAddToMap( OUString::valueOf( nIndex ));
+        return lcl_createDataSequenceAndAddToMap( aRangeRepresentation );
     }
 
     return Reference< chart2::data::XDataSequence >();