chart2/source/controller/main/DragMethod_PieSegment.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_chart2.hxx"
  30
  31 #include "DragMethod_PieSegment.hxx"
  32
  33 #include "Strings.hrc"
  34 #include "ResId.hxx"
  35 #include "macros.hxx"
  36 #include "ObjectIdentifier.hxx"
  37 #include <rtl/math.hxx>
  38 #include <svx/svdpagv.hxx>
  39 #include <com/sun/star/beans/XPropertySet.hpp>
  40 #include <basegfx/matrix/b2dhommatrix.hxx>
  41
  42 //.............................................................................
  43 namespace chart
  44 {
  45 //.............................................................................
  46
  47 using namespace ::com::sun::star;
  48 using ::com::sun::star::uno::Reference;
  49 using ::basegfx::B2DVector;
  50
  51 DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
  52                                              , const rtl::OUString& rObjectCID
  53                                              , const Reference< frame::XModel >& xChartModel )
  54     : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
  55     , m_aStartVector(100.0,100.0)
  56     , m_fInitialOffset(0.0)
  57     , m_fAdditionalOffset(0.0)
  58     , m_aDragDirection(1000.0,1000.0)
  59     , m_fDragRange( 1.0 )
  60 {
  61     rtl::OUString aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
  62
  63     sal_Int32 nOffsetPercent(0);
  64     awt::Point aMinimumPosition(0,0);
  65     awt::Point aMaximumPosition(0,0);
  66
  67     ObjectIdentifier::parsePieSegmentDragParameterString(
  68           aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
  69
  70     m_fInitialOffset = nOffsetPercent / 100.0;
  71     if( m_fInitialOffset < 0.0 )
  72         m_fInitialOffset = 0.0;
  73     if( m_fInitialOffset > 1.0 )
  74         m_fInitialOffset = 1.0;
  75     B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
  76     B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
  77     m_aDragDirection = aMaxVector - aMinVector;
  78     m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
  79     if( ::rtl::math::approxEqual( m_fDragRange, 0.0 ) )
  80         m_fDragRange = 1.0;
  81 }
  82 DragMethod_PieSegment::~DragMethod_PieSegment()
  83 {
  84 }
  85 void DragMethod_PieSegment::TakeSdrDragComment(String& rStr) const
  86 {
  87     rStr = String( SchResId( STR_STATUS_PIE_SEGMENT_EXPLODED ) );
  88     rStr.SearchAndReplaceAscii( "%PERCENTVALUE", String::CreateFromInt32( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
  89 }
  90 bool DragMethod_PieSegment::BeginSdrDrag()
  91 {
  92     Point aStart( DragStat().GetStart() );
  93     m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
  94     Show();
  95     return true;
  96 }
  97 void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
  98 {
  99     if( DragStat().CheckMinMoved(rPnt) )
 100     {
 101         //calculate new offset
 102         B2DVector aShiftVector(( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector ));
 103         m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
 104
 105         if( m_fAdditionalOffset < -m_fInitialOffset )
 106             m_fAdditionalOffset = -m_fInitialOffset;
 107         else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
 108             m_fAdditionalOffset = 1.0 - m_fInitialOffset;
 109
 110         B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
 111         Point aNewPos = Point( (long)(aNewPosVector.getX()), (long)(aNewPosVector.getY()) );
 112         if( aNewPos != DragStat().GetNow() )
 113         {
 114             Hide();
 115             DragStat().NextMove( aNewPos );
 116             Show();
 117         }
 118     }
 119 }
 120 bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
 121 {
 122     Hide();
 123
 124     try
 125     {
 126         Reference< frame::XModel > xChartModel( this->getChartModel() );
 127         if( xChartModel.is() )
 128         {
 129             Reference< beans::XPropertySet > xPointProperties(
 130                 ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
 131             if( xPointProperties.is() )
 132                 xPointProperties->setPropertyValue( C2U( "Offset" ), uno::makeAny( m_fAdditionalOffset+m_fInitialOffset ));
 133         }
 134     }
 135     catch( const uno::Exception & ex )
 136     {
 137         ASSERT_EXCEPTION( ex );
 138     }
 139
 140     return true;
 141 }
 142 basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation()
 143 {
 144     basegfx::B2DHomMatrix aRetval;
 145
 146     aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
 147
 148     return aRetval;
 149 }
 150 void DragMethod_PieSegment::createSdrDragEntries()
 151 {
 152     SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
 153     SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
 154
 155     if( pObj && pPV )
 156     {
 157         const basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
 158         addSdrDragEntry(new SdrDragEntryPolyPolygon(aNewPolyPolygon));
 159     }
 160 }
 161 //.............................................................................
 162 } //namespace chart
 163 //.............................................................................