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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 :
21 : #include "DragMethod_PieSegment.hxx"
22 :
23 : #include "Strings.hrc"
24 : #include "ResId.hxx"
25 : #include "macros.hxx"
26 : #include "ObjectIdentifier.hxx"
27 : #include <rtl/math.hxx>
28 : #include <svx/svdpagv.hxx>
29 : #include <com/sun/star/beans/XPropertySet.hpp>
30 : #include <basegfx/matrix/b2dhommatrix.hxx>
31 :
32 : //.............................................................................
33 : namespace chart
34 : {
35 : //.............................................................................
36 :
37 : using namespace ::com::sun::star;
38 : using ::com::sun::star::uno::Reference;
39 : using ::basegfx::B2DVector;
40 :
41 0 : DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
42 : , const rtl::OUString& rObjectCID
43 : , const Reference< frame::XModel >& xChartModel )
44 : : DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
45 : , m_aStartVector(100.0,100.0)
46 : , m_fInitialOffset(0.0)
47 : , m_fAdditionalOffset(0.0)
48 : , m_aDragDirection(1000.0,1000.0)
49 0 : , m_fDragRange( 1.0 )
50 : {
51 0 : rtl::OUString aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
52 :
53 0 : sal_Int32 nOffsetPercent(0);
54 0 : awt::Point aMinimumPosition(0,0);
55 0 : awt::Point aMaximumPosition(0,0);
56 :
57 : ObjectIdentifier::parsePieSegmentDragParameterString(
58 0 : aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
59 :
60 0 : m_fInitialOffset = nOffsetPercent / 100.0;
61 0 : if( m_fInitialOffset < 0.0 )
62 0 : m_fInitialOffset = 0.0;
63 0 : if( m_fInitialOffset > 1.0 )
64 0 : m_fInitialOffset = 1.0;
65 0 : B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
66 0 : B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
67 0 : m_aDragDirection = aMaxVector - aMinVector;
68 0 : m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
69 0 : if( ::rtl::math::approxEqual( m_fDragRange, 0.0 ) )
70 0 : m_fDragRange = 1.0;
71 0 : }
72 0 : DragMethod_PieSegment::~DragMethod_PieSegment()
73 : {
74 0 : }
75 0 : void DragMethod_PieSegment::TakeSdrDragComment(String& rStr) const
76 : {
77 0 : rStr = SCH_RESSTR(STR_STATUS_PIE_SEGMENT_EXPLODED);
78 0 : rStr.SearchAndReplaceAscii( "%PERCENTVALUE", rtl::OUString::valueOf( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
79 0 : }
80 0 : bool DragMethod_PieSegment::BeginSdrDrag()
81 : {
82 0 : Point aStart( DragStat().GetStart() );
83 0 : m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
84 0 : Show();
85 0 : return true;
86 : }
87 0 : void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
88 : {
89 0 : if( DragStat().CheckMinMoved(rPnt) )
90 : {
91 : //calculate new offset
92 0 : B2DVector aShiftVector(( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector ));
93 0 : m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
94 :
95 0 : if( m_fAdditionalOffset < -m_fInitialOffset )
96 0 : m_fAdditionalOffset = -m_fInitialOffset;
97 0 : else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
98 0 : m_fAdditionalOffset = 1.0 - m_fInitialOffset;
99 :
100 0 : B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
101 0 : Point aNewPos = Point( (long)(aNewPosVector.getX()), (long)(aNewPosVector.getY()) );
102 0 : if( aNewPos != DragStat().GetNow() )
103 : {
104 0 : Hide();
105 0 : DragStat().NextMove( aNewPos );
106 0 : Show();
107 0 : }
108 : }
109 0 : }
110 0 : bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
111 : {
112 0 : Hide();
113 :
114 : try
115 : {
116 0 : Reference< frame::XModel > xChartModel( this->getChartModel() );
117 0 : if( xChartModel.is() )
118 : {
119 : Reference< beans::XPropertySet > xPointProperties(
120 0 : ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
121 0 : if( xPointProperties.is() )
122 0 : xPointProperties->setPropertyValue( C2U( "Offset" ), uno::makeAny( m_fAdditionalOffset+m_fInitialOffset ));
123 0 : }
124 : }
125 0 : catch( const uno::Exception & ex )
126 : {
127 : ASSERT_EXCEPTION( ex );
128 : }
129 :
130 0 : return true;
131 : }
132 0 : basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation()
133 : {
134 0 : basegfx::B2DHomMatrix aRetval;
135 :
136 0 : aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
137 :
138 0 : return aRetval;
139 : }
140 0 : void DragMethod_PieSegment::createSdrDragEntries()
141 : {
142 0 : SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
143 0 : SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
144 :
145 0 : if( pObj && pPV )
146 : {
147 0 : const basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
148 0 : addSdrDragEntry(new SdrDragEntryPolyPolygon(aNewPolyPolygon));
149 : }
150 0 : }
151 : //.............................................................................
152 : } //namespace chart
153 : //.............................................................................
154 :
155 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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