1 files changed, 151 insertions, 0 deletions
diff --git a/chart2/source/controller/main/DragMethod_PieSegment.cxx b/chart2/source/controller/main/DragMethod_PieSegment.cxx
new file mode 100644
index 000000000..002c54ec0
--- /dev/null
+++ b/chart2/source/controller/main/DragMethod_PieSegment.cxx
@@ -0,0 +1,151 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "DragMethod_PieSegment.hxx"
+#include <DrawViewWrapper.hxx>
+#include <ChartModel.hxx>
+#include <strings.hrc>
+#include <ResId.hxx>
+#include <ObjectIdentifier.hxx>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/awt/Point.hpp>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <tools/diagnose_ex.h>
+
+namespace chart
+{
+
+using namespace ::com::sun::star;
+using ::com::sun::star::uno::Reference;
+using ::basegfx::B2DVector;
+
+DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
+                                             , const OUString& rObjectCID
+                                             , const rtl::Reference<::chart::ChartModel>& xChartModel )
+    : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
+    , m_aStartVector(100.0,100.0)
+    , m_fInitialOffset(0.0)
+    , m_fAdditionalOffset(0.0)
+    , m_aDragDirection(1000.0,1000.0)
+    , m_fDragRange( 1.0 )
+{
+    std::u16string_view aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
+
+    sal_Int32 nOffsetPercent(0);
+    awt::Point aMinimumPosition(0,0);
+    awt::Point aMaximumPosition(0,0);
+
+    ObjectIdentifier::parsePieSegmentDragParameterString(
+          aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
+
+    m_fInitialOffset = nOffsetPercent / 100.0;
+    if( m_fInitialOffset < 0.0 )
+        m_fInitialOffset = 0.0;
+    if( m_fInitialOffset > 1.0 )
+        m_fInitialOffset = 1.0;
+    B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
+    B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
+    m_aDragDirection = aMaxVector - aMinVector;
+    m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
+    if( m_fDragRange == 0.0 )
+        m_fDragRange = 1.0;
+}
+DragMethod_PieSegment::~DragMethod_PieSegment()
+{
+}
+OUString DragMethod_PieSegment::GetSdrDragComment() const
+{
+    OUString aStr = SchResId(STR_STATUS_PIE_SEGMENT_EXPLODED);
+    aStr = aStr.replaceFirst( "%PERCENTVALUE", OUString::number( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
+    return aStr;
+}
+bool DragMethod_PieSegment::BeginSdrDrag()
+{
+    Point aStart( DragStat().GetStart() );
+    m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
+    Show();
+    return true;
+}
+void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
+{
+    if( !DragStat().CheckMinMoved(rPnt) )
+        return;
+
+    //calculate new offset
+    B2DVector aShiftVector( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector );
+    m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
+
+    if( m_fAdditionalOffset < -m_fInitialOffset )
+        m_fAdditionalOffset = -m_fInitialOffset;
+    else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
+        m_fAdditionalOffset = 1.0 - m_fInitialOffset;
+
+    B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
+    Point aNewPos( static_cast<tools::Long>(aNewPosVector.getX()), static_cast<tools::Long>(aNewPosVector.getY()) );
+    if( aNewPos != DragStat().GetNow() )
+    {
+        Hide();
+        DragStat().NextMove( aNewPos );
+        Show();
+    }
+}
+bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
+{
+    Hide();
+
+    try
+    {
+        rtl::Reference<::chart::ChartModel> xChartModel( getChartModel() );
+        if( xChartModel.is() )
+        {
+            Reference< beans::XPropertySet > xPointProperties(
+                ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
+            if( xPointProperties.is() )
+                xPointProperties->setPropertyValue( "Offset", uno::Any( m_fAdditionalOffset+m_fInitialOffset ));
+        }
+    }
+    catch( const uno::Exception & )
+    {
+        DBG_UNHANDLED_EXCEPTION("chart2");
+    }
+
+    return true;
+}
+basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation() const
+{
+    basegfx::B2DHomMatrix aRetval;
+
+    aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
+
+    return aRetval;
+}
+void DragMethod_PieSegment::createSdrDragEntries()
+{
+    SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
+    SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
+
+    if( pObj && pPV )
+    {
+        const basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
+        addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPolyPolygon(aNewPolyPolygon)));
+    }
+}
+} //namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */