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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_chart2.hxx"
26 
27 #include "DragMethod_PieSegment.hxx"
28 
29 #include "Strings.hrc"
30 #include "ResId.hxx"
31 #include "macros.hxx"
32 #include "ObjectIdentifier.hxx"
33 #include <rtl/math.hxx>
34 #include <svx/svdpagv.hxx>
35 #include <com/sun/star/beans/XPropertySet.hpp>
36 #include <basegfx/matrix/b2dhommatrix.hxx>
37 
38 //.............................................................................
39 namespace chart
40 {
41 //.............................................................................
42 
43 using namespace ::com::sun::star;
44 using ::com::sun::star::uno::Reference;
45 using ::basegfx::B2DVector;
46 
DragMethod_PieSegment(DrawViewWrapper & rDrawViewWrapper,const rtl::OUString & rObjectCID,const Reference<frame::XModel> & xChartModel)47 DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
48                                              , const rtl::OUString& rObjectCID
49                                              , const Reference< frame::XModel >& xChartModel )
50     : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
51     , m_aStartVector(100.0,100.0)
52     , m_fInitialOffset(0.0)
53     , m_fAdditionalOffset(0.0)
54     , m_aDragDirection(1000.0,1000.0)
55     , m_fDragRange( 1.0 )
56 {
57     rtl::OUString aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
58 
59     sal_Int32 nOffsetPercent(0);
60     awt::Point aMinimumPosition(0,0);
61     awt::Point aMaximumPosition(0,0);
62 
63     ObjectIdentifier::parsePieSegmentDragParameterString(
64           aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
65 
66     m_fInitialOffset = nOffsetPercent / 100.0;
67     if( m_fInitialOffset < 0.0 )
68         m_fInitialOffset = 0.0;
69     if( m_fInitialOffset > 1.0 )
70         m_fInitialOffset = 1.0;
71     B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
72     B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
73     m_aDragDirection = aMaxVector - aMinVector;
74     m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
75     if( ::rtl::math::approxEqual( m_fDragRange, 0.0 ) )
76         m_fDragRange = 1.0;
77 }
~DragMethod_PieSegment()78 DragMethod_PieSegment::~DragMethod_PieSegment()
79 {
80 }
TakeSdrDragComment(String & rStr) const81 void DragMethod_PieSegment::TakeSdrDragComment(String& rStr) const
82 {
83     rStr = String( SchResId( STR_STATUS_PIE_SEGMENT_EXPLODED ) );
84 	rStr.SearchAndReplaceAscii( "%PERCENTVALUE", String::CreateFromInt32( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
85 }
BeginSdrDrag()86 bool DragMethod_PieSegment::BeginSdrDrag()
87 {
88     Point aStart( DragStat().GetStart() );
89     m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
90     Show();
91     return true;
92 }
MoveSdrDrag(const Point & rPnt)93 void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
94 {
95     if( DragStat().CheckMinMoved(rPnt) )
96     {
97         //calculate new offset
98         B2DVector aShiftVector(( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector ));
99         m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
100 
101         if( m_fAdditionalOffset < -m_fInitialOffset )
102 			m_fAdditionalOffset = -m_fInitialOffset;
103 		else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
104 			m_fAdditionalOffset = 1.0 - m_fInitialOffset;
105 
106 		B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
107 		Point aNewPos = Point( (long)(aNewPosVector.getX()), (long)(aNewPosVector.getY()) );
108 		if( aNewPos != DragStat().GetNow() )
109 		{
110             Hide();
111 			DragStat().NextMove( aNewPos );
112             Show();
113 		}
114     }
115 }
EndSdrDrag(bool)116 bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
117 {
118     Hide();
119 
120     try
121     {
122         Reference< frame::XModel > xChartModel( this->getChartModel() );
123         if( xChartModel.is() )
124         {
125             Reference< beans::XPropertySet > xPointProperties(
126                 ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
127             if( xPointProperties.is() )
128                 xPointProperties->setPropertyValue( C2U( "Offset" ), uno::makeAny( m_fAdditionalOffset+m_fInitialOffset ));
129         }
130     }
131     catch( const uno::Exception & ex )
132     {
133         ASSERT_EXCEPTION( ex );
134     }
135 
136     return true;
137 }
getCurrentTransformation()138 basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation()
139 {
140 	basegfx::B2DHomMatrix aRetval;
141 
142 	aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
143 
144 	return aRetval;
145 }
createSdrDragEntries()146 void DragMethod_PieSegment::createSdrDragEntries()
147 {
148     SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
149     SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
150 
151     if( pObj && pPV )
152 	{
153 		const basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
154         addSdrDragEntry(new SdrDragEntryPolyPolygon(aNewPolyPolygon));
155     }
156 }
157 //.............................................................................
158 } //namespace chart
159 //.............................................................................
160