/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include #include #include #include #include #include #include #include #include #include #include using namespace dbaui; const tools::Long DESCRIPT_LINE_WIDTH = 15; const tools::Long HIT_SENSITIVE_RADIUS = 5; namespace { /** calcRect creates a new rectangle with the given points @param _rBase the base point @param _aVector the vector which will be added */ tools::Rectangle calcRect(const Point& _rBase,const Point& _aVector) { return tools::Rectangle( _rBase - _aVector, _rBase + _aVector ); } /** GetTextPos calculate the rectangle for the connection to be drawn @param _pWin the table window where to draw it @param _aConnPos the connection point @param _aDescrLinePos the description line pos */ tools::Rectangle GetTextPos(const OTableWindow* _pWin, const Point& _aConnPos,const Point& _aDescrLinePos) { VclPtr pListBox = _pWin ? _pWin->GetListBox() : nullptr; OSL_ENSURE(_pWin && pListBox, "OConnectionLine::GetSourceTextPos : invalid call !"); tools::Rectangle aReturn; if ( pListBox ) { const tools::Long nRowHeight = pListBox->get_widget().get_height_rows(1); aReturn.SetTop( _aConnPos.Y() - nRowHeight ); aReturn.SetBottom( aReturn.Top() + nRowHeight ); if (_aDescrLinePos.X() < _aConnPos.X()) { aReturn.SetLeft( _aDescrLinePos.X() ); aReturn.SetRight( aReturn.Left() + _aConnPos.X() - _aDescrLinePos.X() ); } else { aReturn.SetLeft( _aConnPos.X() ); aReturn.SetRight( aReturn.Left() + _aDescrLinePos.X() - _aConnPos.X() ); } } return aReturn; } /** calcPointsYValue calculate the points Y value in relation to the listbox entry @param _pWin the corresponding window @param _nEntry the source or dest entry @param _rNewConPos (in/out) the connection pos @param _rNewDescrPos (in/out) the description pos */ void calcPointsYValue(const OTableWindow* _pWin, int _nEntry, Point& _rNewConPos, Point& _rNewDescrPos) { const OTableWindowListBox* pListBox = _pWin->GetListBox(); _rNewConPos.setY( _pWin->GetPosPixel().Y() ); std::unique_ptr xEntry; const weld::TreeView& rTreeView = pListBox->get_widget(); if (_nEntry != -1) { _rNewConPos.AdjustY(pListBox->GetPosPixel().Y() ); xEntry = rTreeView.make_iterator(); if (!rTreeView.get_iter_first(*xEntry) || !rTreeView.iter_nth_sibling(*xEntry, _nEntry)) xEntry.reset(); } if (xEntry) { auto nEntryPos = rTreeView.get_row_area(*xEntry).Center().Y(); if( nEntryPos >= 0 ) { _rNewConPos.AdjustY(nEntryPos); } else { const auto nRowHeight = rTreeView.get_height_rows(1); _rNewConPos.AdjustY( -static_cast( 0.5 * nRowHeight ) ); } tools::Long nListBoxBottom = _pWin->GetPosPixel().Y() + pListBox->GetPosPixel().Y() + pListBox->GetSizePixel().Height(); if( _rNewConPos.Y() > nListBoxBottom ) _rNewConPos.setY( nListBoxBottom + 2 ); } else _rNewConPos.AdjustY(static_cast(pListBox->GetPosPixel().Y()*0.5) ); _rNewDescrPos.setY( _rNewConPos.Y() ); } } OConnectionLine::OConnectionLine( OTableConnection* _pConn, OConnectionLineDataRef _pLineData ) : m_pTabConn( _pConn ) , m_pData(std::move( _pLineData )) { } OConnectionLine::OConnectionLine( const OConnectionLine& _rLine ) : m_pTabConn(nullptr) { m_pData = new OConnectionLineData( *_rLine.GetData() ); *this = _rLine; } OConnectionLine::~OConnectionLine() { } OConnectionLine& OConnectionLine::operator=( const OConnectionLine& rLine ) { if( &rLine != this ) { // as the data does not belong to me, I don't delete the old one m_pData->CopyFrom(*rLine.GetData()); // CopyFrom is virtual, therefore it is not a problem, if m_pData is of a type derived from OTableConnectionData m_pTabConn = rLine.m_pTabConn; m_aSourceConnPos = rLine.m_aSourceConnPos; m_aDestConnPos = rLine.m_aDestConnPos; m_aSourceDescrLinePos = rLine.m_aSourceDescrLinePos; m_aDestDescrLinePos = rLine.m_aDestDescrLinePos; } return *this; } tools::Rectangle OConnectionLine::GetBoundingRect() const { // determine surrounding rectangle tools::Rectangle aBoundingRect( Point(0,0), Point(0,0) ); if( !IsValid() ) return aBoundingRect; Point aTopLeft; Point aBottomRight; if( m_aSourceDescrLinePos.Y() <= m_aDestDescrLinePos.Y() ) { aTopLeft.setY( m_aSourceDescrLinePos.Y() ); aBottomRight.setY( m_aDestDescrLinePos.Y() ); } else { aTopLeft.setY( m_aDestDescrLinePos.Y() ); aBottomRight.setY( m_aSourceDescrLinePos.Y() ); } if( m_aSourceDescrLinePos.X() <= m_aDestDescrLinePos.X() ) { aTopLeft.setX( m_aSourceDescrLinePos.X() ); aBottomRight.setX( m_aDestDescrLinePos.X() ); } else { aTopLeft.setX( m_aDestDescrLinePos.X() ); aBottomRight.setX( m_aSourceDescrLinePos.X() ); } const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin(); const OTableWindow* pDestWin = m_pTabConn->GetDestWin(); // line proceeds in z-Form if( pSourceWin == pDestWin || std::abs(m_aSourceConnPos.X() - m_aDestConnPos.X()) > std::abs(m_aSourceDescrLinePos.X() - m_aDestDescrLinePos.X()) ) { aTopLeft.AdjustX( -DESCRIPT_LINE_WIDTH ); aBottomRight.AdjustX(DESCRIPT_LINE_WIDTH ); } aBoundingRect = tools::Rectangle( aTopLeft-Point(2,17), aBottomRight+Point(2,2) ); return aBoundingRect; } static void calcPointX1(const OTableWindow* _pWin,Point& _rNewConPos,Point& _rNewDescrPos) { _rNewConPos.setX( _pWin->GetPosPixel().X() + _pWin->GetSizePixel().Width() ); _rNewDescrPos.setX( _rNewConPos.X() ); _rNewConPos.AdjustX(DESCRIPT_LINE_WIDTH ); } static void calcPointX2(const OTableWindow* _pWin,Point& _rNewConPos,Point& _rNewDescrPos) { _rNewConPos.setX( _pWin->GetPosPixel().X() ); _rNewDescrPos.setX( _rNewConPos.X() ); _rNewConPos.AdjustX( -DESCRIPT_LINE_WIDTH ); } bool OConnectionLine::RecalcLine() { // Windows and entries must be set const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin(); const OTableWindow* pDestWin = m_pTabConn->GetDestWin(); if( !pSourceWin || !pDestWin ) return false; int nSourceEntry = pSourceWin->GetListBox()->GetEntryFromText( GetData()->GetSourceFieldName() ); int nDestEntry = pDestWin->GetListBox()->GetEntryFromText( GetData()->GetDestFieldName() ); // determine X-coordinates Point aSourceCenter( 0, 0 ); Point aDestCenter( 0, 0 ); aSourceCenter.setX( pSourceWin->GetPosPixel().X() + static_cast( 0.5*pSourceWin->GetSizePixel().Width() ) ); aDestCenter.setX( pDestWin->GetPosPixel().X() + static_cast( 0.5*pDestWin->GetSizePixel().Width() ) ); const OTableWindow* pFirstWin = pDestWin; const OTableWindow* pSecondWin = pSourceWin; Point* pFirstConPos = &m_aDestConnPos; Point* pFirstDescrPos = &m_aDestDescrLinePos; Point* pSecondConPos = &m_aSourceConnPos; Point* pSecondDescrPos = &m_aSourceDescrLinePos; if( aDestCenter.X() > aSourceCenter.X() ) { pFirstWin = pSourceWin; pSecondWin = pDestWin; pFirstConPos = &m_aSourceConnPos; pFirstDescrPos = &m_aSourceDescrLinePos; pSecondConPos = &m_aDestConnPos; pSecondDescrPos = &m_aDestDescrLinePos; } if (pFirstWin == pSecondWin && nSourceEntry != nDestEntry) calcPointX2(pFirstWin,*pFirstConPos,*pFirstDescrPos); else calcPointX1(pFirstWin,*pFirstConPos,*pFirstDescrPos); calcPointX2(pSecondWin,*pSecondConPos,*pSecondDescrPos); // determine aSourceConnPosY calcPointsYValue(pSourceWin, nSourceEntry, m_aSourceConnPos,m_aSourceDescrLinePos); // determine aDestConnPosY calcPointsYValue(pDestWin, nDestEntry, m_aDestConnPos,m_aDestDescrLinePos); return true; } void OConnectionLine::Draw( OutputDevice* pOutDev ) { const sal_uInt16 nRectSize = 3; // calculate new dimension if( !RecalcLine() ) return; // draw lines if (m_pTabConn->IsSelected()) pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetHighlightColor()); else pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor()); LineInfo aLineInfo; if ( m_pTabConn->IsSelected() ) aLineInfo.SetWidth(3); tools::Polygon aPoly; aPoly.Insert(0,m_aSourceDescrLinePos); aPoly.Insert(1,m_aSourceConnPos); aPoly.Insert(2,m_aDestConnPos); aPoly.Insert(3,m_aDestDescrLinePos); pOutDev->DrawPolyLine(aPoly,aLineInfo); // draw the connection rectangles pOutDev->SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor()); Point aVector(nRectSize,nRectSize); pOutDev->DrawRect( calcRect(m_aSourceDescrLinePos,aVector) ); pOutDev->DrawRect( calcRect( m_aDestDescrLinePos,aVector) ); } bool OConnectionLine::IsValid() const { return m_pData.is(); } static double dist_Euklid(const Point &p1, const Point& p2,const Point& pM, Point& q) { Point v(p2 - p1); Point w(pM - p1); double a = std::hypot(v.X(), v.Y()); double l = (v.X() * w.Y() - v.Y() * w.X()) / a; double a2 = w.X()*v.X()+w.Y()*v.Y(); a = a2 / (a * a); q.setX( tools::Long(p1.X() + a * v.X()) ); q.setY( tools::Long(p1.Y() + a * v.Y()) ); return l; } bool OConnectionLine::CheckHit( const Point& rMousePos ) const { /* course of action with HitTest: the distance is calculated according to Euklid. */ Point q; double l = fabs(dist_Euklid(m_aSourceConnPos,m_aDestConnPos,rMousePos,q)); if( l < HIT_SENSITIVE_RADIUS) { if(std::min(m_aSourceConnPos.X(),m_aDestConnPos.X()) <= q.X() && std::min(m_aSourceConnPos.Y(),m_aDestConnPos.Y()) <= q.Y() && q.X() <= std::max(m_aDestConnPos.X(),m_aSourceConnPos.X()) && q.Y() <= std::max(m_aDestConnPos.Y(),m_aSourceConnPos.Y())) return true; } return false; } tools::Rectangle OConnectionLine::GetSourceTextPos() const { return GetTextPos(m_pTabConn->GetSourceWin(),m_aSourceConnPos,m_aSourceDescrLinePos); } tools::Rectangle OConnectionLine::GetDestTextPos() const { return GetTextPos(m_pTabConn->GetDestWin(),m_aDestConnPos,m_aDestDescrLinePos); } Point OConnectionLine::getMidPoint() const { Point aDest = m_aDestConnPos - m_aSourceConnPos; aDest.setX( aDest.X() / 2 ); aDest.setY( aDest.Y() / 2 ); return m_aSourceConnPos + aDest; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ eature/cib_contract116 LibreOffice 核心代码仓库文档基金会
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path: root/odk/examples/DevelopersGuide/Extensions
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2020-08-31Remove empty ImageIdentifier properties from sdk examplesMaxim Monastirsky