chart2/source/controller/main/DragMethod_PieSegment.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_chart2.hxx"
  33
  34 #include "DragMethod_PieSegment.hxx"
  35
  36 #include "Strings.hrc"
  37 #include "ResId.hxx"
  38 #include "macros.hxx"
  39 #include "ObjectIdentifier.hxx"
  40 #include <rtl/math.hxx>
  41 #include <svx/svdpagv.hxx>
  42 #include <com/sun/star/beans/XPropertySet.hpp>
  43 #include <basegfx/matrix/b2dhommatrix.hxx>
  44
  45 //.............................................................................
  46 namespace chart
  47 {
  48 //.............................................................................
  49
  50 using namespace ::com::sun::star;
  51 using ::com::sun::star::uno::Reference;
  52 using ::basegfx::B2DVector;
  53
  54 DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
  55                                              , const rtl::OUString& rObjectCID
  56                                              , const Reference< frame::XModel >& xChartModel )
  57     : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
  58     , m_aStartVector(100.0,100.0)
  59     , m_fInitialOffset(0.0)
  60     , m_fAdditionalOffset(0.0)
  61     , m_aDragDirection(1000.0,1000.0)
  62     , m_fDragRange( 1.0 )
  63 {
  64     rtl::OUString aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
  65
  66     sal_Int32 nOffsetPercent(0);
  67     awt::Point aMinimumPosition(0,0);
  68     awt::Point aMaximumPosition(0,0);
  69
  70     ObjectIdentifier::parsePieSegmentDragParameterString(
  71           aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
  72
  73     m_fInitialOffset = nOffsetPercent / 100.0;
  74     if( m_fInitialOffset < 0.0 )
  75         m_fInitialOffset = 0.0;
  76     if( m_fInitialOffset > 1.0 )
  77         m_fInitialOffset = 1.0;
  78     B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
  79     B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
  80     m_aDragDirection = aMaxVector - aMinVector;
  81     m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
  82     if( ::rtl::math::approxEqual( m_fDragRange, 0.0 ) )
  83         m_fDragRange = 1.0;
  84 }
  85 DragMethod_PieSegment::~DragMethod_PieSegment()
  86 {
  87 }
  88 void DragMethod_PieSegment::TakeSdrDragComment(String& rStr) const
  89 {
  90     rStr = String( SchResId( STR_STATUS_PIE_SEGMENT_EXPLODED ) );
  91     rStr.SearchAndReplaceAscii( "%PERCENTVALUE", String::CreateFromInt32( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
  92 }
  93 bool DragMethod_PieSegment::BeginSdrDrag()
  94 {
  95     Point aStart( DragStat().GetStart() );
  96     m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
  97     Show();
  98     return true;
  99 }
 100 void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
 101 {
 102     if( DragStat().CheckMinMoved(rPnt) )
 103     {
 104         //calculate new offset
 105         B2DVector aShiftVector(( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector ));
 106         m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
 107
 108         if( m_fAdditionalOffset < -m_fInitialOffset )
 109             m_fAdditionalOffset = -m_fInitialOffset;
 110         else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
 111             m_fAdditionalOffset = 1.0 - m_fInitialOffset;
 112
 113         B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
 114         Point aNewPos = Point( (long)(aNewPosVector.getX()), (long)(aNewPosVector.getY()) );
 115         if( aNewPos != DragStat().GetNow() )
 116         {
 117             Hide();
 118             DragStat().NextMove( aNewPos );
 119             Show();
 120         }
 121     }
 122 }
 123 bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
 124 {
 125     Hide();
 126
 127     try
 128     {
 129         Reference< frame::XModel > xChartModel( this->getChartModel() );
 130         if( xChartModel.is() )
 131         {
 132             Reference< beans::XPropertySet > xPointProperties(
 133                 ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
 134             if( xPointProperties.is() )
 135                 xPointProperties->setPropertyValue( C2U( "Offset" ), uno::makeAny( m_fAdditionalOffset+m_fInitialOffset ));
 136         }
 137     }
 138     catch( const uno::Exception & ex )
 139     {
 140         ASSERT_EXCEPTION( ex );
 141     }
 142
 143     return true;
 144 }
 145 basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation()
 146 {
 147     basegfx::B2DHomMatrix aRetval;
 148
 149     aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
 150
 151     return aRetval;
 152 }
 153 void DragMethod_PieSegment::createSdrDragEntries()
 154 {
 155     SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
 156     SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
 157
 158     if( pObj && pPV )
 159     {
 160         const basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
 161         addSdrDragEntry(new SdrDragEntryPolyPolygon(aNewPolyPolygon));
 162     }
 163 }
 164 //.............................................................................
 165 } //namespace chart
 166 //.............................................................................