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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "DragMethod_PieSegment.hxx"
21 :
22 : #include "Strings.hrc"
23 : #include "ResId.hxx"
24 : #include "macros.hxx"
25 : #include "ObjectIdentifier.hxx"
26 : #include <rtl/math.hxx>
27 : #include <svx/svdpagv.hxx>
28 : #include <com/sun/star/beans/XPropertySet.hpp>
29 : #include <basegfx/matrix/b2dhommatrix.hxx>
30 :
31 : namespace chart
32 : {
33 :
34 : using namespace ::com::sun::star;
35 : using ::com::sun::star::uno::Reference;
36 : using ::basegfx::B2DVector;
37 :
38 0 : DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
39 : , const OUString& rObjectCID
40 : , const Reference< frame::XModel >& xChartModel )
41 : : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
42 : , m_aStartVector(100.0,100.0)
43 : , m_fInitialOffset(0.0)
44 : , m_fAdditionalOffset(0.0)
45 : , m_aDragDirection(1000.0,1000.0)
46 0 : , m_fDragRange( 1.0 )
47 : {
48 0 : OUString aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
49 :
50 0 : sal_Int32 nOffsetPercent(0);
51 0 : awt::Point aMinimumPosition(0,0);
52 0 : awt::Point aMaximumPosition(0,0);
53 :
54 : ObjectIdentifier::parsePieSegmentDragParameterString(
55 0 : aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
56 :
57 0 : m_fInitialOffset = nOffsetPercent / 100.0;
58 0 : if( m_fInitialOffset < 0.0 )
59 0 : m_fInitialOffset = 0.0;
60 0 : if( m_fInitialOffset > 1.0 )
61 0 : m_fInitialOffset = 1.0;
62 0 : B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
63 0 : B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
64 0 : m_aDragDirection = aMaxVector - aMinVector;
65 0 : m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
66 0 : if( ::rtl::math::approxEqual( m_fDragRange, 0.0 ) )
67 0 : m_fDragRange = 1.0;
68 0 : }
69 0 : DragMethod_PieSegment::~DragMethod_PieSegment()
70 : {
71 0 : }
72 0 : void DragMethod_PieSegment::TakeSdrDragComment(OUString& rStr) const
73 : {
74 0 : rStr = SCH_RESSTR(STR_STATUS_PIE_SEGMENT_EXPLODED);
75 0 : rStr = rStr.replaceFirst( "%PERCENTVALUE", OUString::number( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
76 0 : }
77 0 : bool DragMethod_PieSegment::BeginSdrDrag()
78 : {
79 0 : Point aStart( DragStat().GetStart() );
80 0 : m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
81 0 : Show();
82 0 : return true;
83 : }
84 0 : void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
85 : {
86 0 : if( DragStat().CheckMinMoved(rPnt) )
87 : {
88 : //calculate new offset
89 0 : B2DVector aShiftVector(( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector ));
90 0 : m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
91 :
92 0 : if( m_fAdditionalOffset < -m_fInitialOffset )
93 0 : m_fAdditionalOffset = -m_fInitialOffset;
94 0 : else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
95 0 : m_fAdditionalOffset = 1.0 - m_fInitialOffset;
96 :
97 0 : B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
98 0 : Point aNewPos = Point( (long)(aNewPosVector.getX()), (long)(aNewPosVector.getY()) );
99 0 : if( aNewPos != DragStat().GetNow() )
100 : {
101 0 : Hide();
102 0 : DragStat().NextMove( aNewPos );
103 0 : Show();
104 0 : }
105 : }
106 0 : }
107 0 : bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
108 : {
109 0 : Hide();
110 :
111 : try
112 : {
113 0 : Reference< frame::XModel > xChartModel( this->getChartModel() );
114 0 : if( xChartModel.is() )
115 : {
116 : Reference< beans::XPropertySet > xPointProperties(
117 0 : ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
118 0 : if( xPointProperties.is() )
119 0 : xPointProperties->setPropertyValue( "Offset", uno::makeAny( m_fAdditionalOffset+m_fInitialOffset ));
120 0 : }
121 : }
122 0 : catch( const uno::Exception & ex )
123 : {
124 : ASSERT_EXCEPTION( ex );
125 : }
126 :
127 0 : return true;
128 : }
129 0 : basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation()
130 : {
131 0 : basegfx::B2DHomMatrix aRetval;
132 :
133 0 : aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
134 :
135 0 : return aRetval;
136 : }
137 0 : void DragMethod_PieSegment::createSdrDragEntries()
138 : {
139 0 : SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
140 0 : SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
141 :
142 0 : if( pObj && pPV )
143 : {
144 0 : const basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
145 0 : addSdrDragEntry(new SdrDragEntryPolyPolygon(aNewPolyPolygon));
146 : }
147 0 : }
148 : } //namespace chart
149 :
150 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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