Helper for data series issues (e.g. getting a sequence with a specific role)

2 files changed, 227 insertions, 0 deletions

diff --git a/chart2/source/inc/DataSeriesHelper.hxx b/chart2/source/inc/DataSeriesHelper.hxx
new file mode 100644
index 000000000000..9785b6a82919
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+++ b/chart2/source/inc/DataSeriesHelper.hxx
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+/*************************************************************************
+ *
+ *  $RCSfile: DataSeriesHelper.hxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: bm $ $Date: 2004-01-26 09:00:29 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2003 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+#ifndef CHART2_DATASERIESHELPER_HXX
+#define CHART2_DATASERIESHELPER_HXX
+
+#ifndef _COM_SUN_STAR_CHART2_XDATASEQUENCE_HPP_
+#include <com/sun/star/chart2/XDataSequence.hpp>
+#endif
+#ifndef _COM_SUN_STAR_CHART2_XDATASOURCE_HPP_
+#include <com/sun/star/chart2/XDataSource.hpp>
+#endif
+
+namespace chart
+{
+
+namespace DataSeriesHelper
+{
+    /** Retrieves the data sequence in the given data source that matches the
+        given role.  If more than one sequences match the role, the first match
+        is returned.  If no sequence matches, an empty reference is returned.
+
+        @param aSource
+            The data source containing all data sequences to be searched through.
+
+        @param aRole
+            The role that is to be filtered out.
+     */
+::com::sun::star::uno::Reference< ::com::sun::star::chart2::XDataSequence >
+    getDataSequenceByRole( const ::com::sun::star::uno::Reference<
+                               ::com::sun::star::chart2::XDataSource > & xSource,
+                           ::rtl::OUString aRole );
+
+} //  namespace DataSeriesHelper
+} //  namespace chart
+
+// CHART2_DATASERIESHELPER_HXX
+#endif
diff --git a/chart2/source/tools/DataSeriesHelper.cxx b/chart2/source/tools/DataSeriesHelper.cxx
new file mode 100644
index 000000000000..9ce050da84b2
--- /dev/null
+++ b/chart2/source/tools/DataSeriesHelper.cxx
@@ -0,0 +1,132 @@
+/*************************************************************************
+ *
+ *  $RCSfile: DataSeriesHelper.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: bm $ $Date: 2004-01-26 09:01:12 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2003 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+#include "DataSeriesHelper.hxx"
+
+#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
+#include <com/sun/star/beans/XPropertySet.hpp>
+#endif
+
+#include <functional>
+#include <algorithm>
+
+using namespace ::com::sun::star;
+
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::Sequence;
+using ::rtl::OUString;
+
+// ----------------------------------------
+namespace
+{
+
+class lcl_MatchesRole : public ::std::unary_function< bool, Reference< chart2::XDataSequence > >
+{
+public:
+    lcl_MatchesRole( const OUString & aRole ) :
+            m_aRole( aRole )
+    {}
+
+    bool operator () ( const Reference< chart2::XDataSequence > & xSeq )
+    {
+        Reference< beans::XPropertySet > xProp( xSeq, uno::UNO_QUERY );
+        OUString aRole;
+        return ( xProp.is() &&
+                 (xProp->getPropertyValue(
+                     OUString( RTL_CONSTASCII_USTRINGPARAM( "Role" )) ) >>= aRole ) &&
+                 m_aRole.equals( aRole ));
+    }
+
+private:
+    OUString m_aRole;
+};
+
+} // anonymous namespace
+// ----------------------------------------
+
+namespace chart
+{
+
+namespace DataSeriesHelper
+{
+
+Reference< chart2::XDataSequence >
+    getDataSequenceByRole(
+        const Reference< chart2::XDataSource > & xSource, OUString aRole )
+{
+    Reference< chart2::XDataSequence > aNoResult;
+    if( ! xSource.is())
+        return aNoResult;
+
+    Sequence< Reference< chart2::XDataSequence > > aSeq( xSource->getDataSequences());
+
+    const Reference< chart2::XDataSequence > * pBegin = aSeq.getConstArray();
+    const Reference< chart2::XDataSequence > * pEnd = pBegin + aSeq.getLength();
+    const Reference< chart2::XDataSequence > * pMatch =
+        ::std::find_if( pBegin, pEnd, lcl_MatchesRole( aRole ));
+
+    if( pMatch != pEnd )
+        return *pMatch;
+
+    return aNoResult;
+}
+
+} //  namespace DataSeriesHelper
+} //  namespace chart