151 lines
5.2 KiB
C++
151 lines
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "DragMethod_PieSegment.hxx"
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#include <DrawViewWrapper.hxx>
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#include <ChartModel.hxx>
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#include <strings.hrc>
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#include <ResId.hxx>
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#include <ObjectIdentifier.hxx>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/awt/Point.hpp>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <comphelper/diagnose_ex.hxx>
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namespace chart
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{
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using namespace ::com::sun::star;
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using ::com::sun::star::uno::Reference;
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using ::basegfx::B2DVector;
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DragMethod_PieSegment::DragMethod_PieSegment( DrawViewWrapper& rDrawViewWrapper
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, const OUString& rObjectCID
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, const rtl::Reference<::chart::ChartModel>& xChartModel )
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: DragMethod_Base( rDrawViewWrapper, rObjectCID, xChartModel )
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, m_aStartVector(100.0,100.0)
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, m_fInitialOffset(0.0)
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, m_fAdditionalOffset(0.0)
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, m_aDragDirection(1000.0,1000.0)
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, m_fDragRange( 1.0 )
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{
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std::u16string_view aParameter( ObjectIdentifier::getDragParameterString( m_aObjectCID ) );
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sal_Int32 nOffsetPercent(0);
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awt::Point aMinimumPosition(0,0);
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awt::Point aMaximumPosition(0,0);
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ObjectIdentifier::parsePieSegmentDragParameterString(
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aParameter, nOffsetPercent, aMinimumPosition, aMaximumPosition );
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m_fInitialOffset = nOffsetPercent / 100.0;
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if( m_fInitialOffset < 0.0 )
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m_fInitialOffset = 0.0;
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if( m_fInitialOffset > 1.0 )
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m_fInitialOffset = 1.0;
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B2DVector aMinVector( aMinimumPosition.X, aMinimumPosition.Y );
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B2DVector aMaxVector( aMaximumPosition.X, aMaximumPosition.Y );
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m_aDragDirection = aMaxVector - aMinVector;
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m_fDragRange = m_aDragDirection.scalar( m_aDragDirection );
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if( m_fDragRange == 0.0 )
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m_fDragRange = 1.0;
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}
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DragMethod_PieSegment::~DragMethod_PieSegment()
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{
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}
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OUString DragMethod_PieSegment::GetSdrDragComment() const
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{
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OUString aStr = SchResId(STR_STATUS_PIE_SEGMENT_EXPLODED);
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aStr = aStr.replaceFirst( "%PERCENTVALUE", OUString::number( static_cast<sal_Int32>((m_fAdditionalOffset+m_fInitialOffset)*100.0) ));
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return aStr;
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}
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bool DragMethod_PieSegment::BeginSdrDrag()
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{
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Point aStart( DragStat().GetStart() );
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m_aStartVector = B2DVector( aStart.X(), aStart.Y() );
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Show();
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return true;
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}
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void DragMethod_PieSegment::MoveSdrDrag(const Point& rPnt)
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{
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if( !DragStat().CheckMinMoved(rPnt) )
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return;
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//calculate new offset
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B2DVector aShiftVector( B2DVector( rPnt.X(), rPnt.Y() ) - m_aStartVector );
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m_fAdditionalOffset = m_aDragDirection.scalar( aShiftVector )/m_fDragRange; // projection
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if( m_fAdditionalOffset < -m_fInitialOffset )
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m_fAdditionalOffset = -m_fInitialOffset;
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else if( m_fAdditionalOffset > (1.0-m_fInitialOffset) )
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m_fAdditionalOffset = 1.0 - m_fInitialOffset;
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B2DVector aNewPosVector = m_aStartVector + (m_aDragDirection * m_fAdditionalOffset);
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Point aNewPos( static_cast<tools::Long>(aNewPosVector.getX()), static_cast<tools::Long>(aNewPosVector.getY()) );
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if( aNewPos != DragStat().GetNow() )
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{
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Hide();
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DragStat().NextMove( aNewPos );
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Show();
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}
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}
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bool DragMethod_PieSegment::EndSdrDrag(bool /*bCopy*/)
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{
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Hide();
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try
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{
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rtl::Reference<::chart::ChartModel> xChartModel( getChartModel() );
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if( xChartModel.is() )
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{
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Reference< beans::XPropertySet > xPointProperties(
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ObjectIdentifier::getObjectPropertySet( m_aObjectCID, xChartModel ) );
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if( xPointProperties.is() )
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xPointProperties->setPropertyValue( u"Offset"_ustr, uno::Any( m_fAdditionalOffset+m_fInitialOffset ));
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}
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}
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catch( const uno::Exception & )
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{
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DBG_UNHANDLED_EXCEPTION("chart2");
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}
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return true;
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}
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basegfx::B2DHomMatrix DragMethod_PieSegment::getCurrentTransformation() const
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{
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basegfx::B2DHomMatrix aRetval;
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aRetval.translate(DragStat().GetDX(), DragStat().GetDY());
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return aRetval;
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}
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void DragMethod_PieSegment::createSdrDragEntries()
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{
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SdrObject* pObj = m_rDrawViewWrapper.getSelectedObject();
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SdrPageView* pPV = m_rDrawViewWrapper.GetPageView();
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if( pObj && pPV )
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{
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basegfx::B2DPolyPolygon aNewPolyPolygon(pObj->TakeXorPoly());
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addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPolyPolygon(std::move(aNewPolyPolygon))));
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}
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}
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} //namespace chart
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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