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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_dbaccess.hxx"
26 #ifndef DBAUI_CONNECTIONLINE_HXX
27 #include "ConnectionLine.hxx"
28 #endif
29 #ifndef DBAUI_CONNECTIONLINEDATA_HXX
30 #include "ConnectionLineData.hxx"
31 #endif
32 #ifndef DBAUI_TABLEWINDOW_HXX
33 #include "TableWindow.hxx"
34 #endif
35 #ifndef DBAUI_TABLEWINDOWLISTBOX_HXX
36 #include "TableWindowListBox.hxx"
37 #endif
38 #ifndef DBAUI_TABLECONNECTION_HXX
39 #include "TableConnection.hxx"
40 #endif
41 #ifndef _SV_SVAPP_HXX
42 #include <vcl/svapp.hxx>
43 #endif
44 #ifndef _INC_MATH
45 #include <math.h>
46 #endif
47 #ifndef _TOOLS_DEBUG_HXX
48 #include <tools/debug.hxx>
49 #endif
50 #include <vcl/lineinfo.hxx>
51
52
53 using namespace dbaui;
54 const long DESCRIPT_LINE_WIDTH = 15;
55 const long HIT_SENSITIVE_RADIUS = 5;
56
57 namespace
58 {
59 /** calcRect creates a new rectangle with the given points
60 @param _rBase the base point
61 @param _aVector the vector which will be added
62 */
calcRect(const Point & _rBase,const Point & _aVector)63 inline Rectangle calcRect(const Point& _rBase,const Point& _aVector)
64 {
65 return Rectangle( _rBase - _aVector, _rBase + _aVector );
66 }
67 // -----------------------------------------------------------------------------
68 /** GetTextPos calculate the rectangle for the connection to be drawn
69 @param _pWin the table window where to draw it
70 @param _aConnPos the connection point
71 @param _aDescrLinePos the description line pos
72 */
GetTextPos(const OTableWindow * _pWin,const Point & _aConnPos,const Point & _aDescrLinePos)73 Rectangle GetTextPos(const OTableWindow* _pWin, const Point& _aConnPos,const Point& _aDescrLinePos)
74 {
75 OTableWindowListBox* pListBox = _pWin ? _pWin->GetListBox() : NULL;
76 DBG_ASSERT(_pWin && pListBox, "OConnectionLine::GetSourceTextPos : invalid call !");
77
78 Rectangle aReturn;
79 if ( pListBox )
80 {
81 const long nRowHeight = pListBox->GetEntryHeight();
82 aReturn.Top() = _aConnPos.Y() - nRowHeight;
83 aReturn.Bottom() = aReturn.Top() + nRowHeight;
84 if (_aDescrLinePos.X() < _aConnPos.X())
85 {
86 aReturn.Left() = _aDescrLinePos.X();
87 aReturn.Right() = aReturn.Left() + _aConnPos.X() - _aDescrLinePos.X();
88 }
89 else
90 {
91 aReturn.Left() = _aConnPos.X();
92 aReturn.Right() = aReturn.Left() + _aDescrLinePos.X() - _aConnPos.X();
93 }
94 }
95
96 return aReturn;
97 }
98 // -----------------------------------------------------------------------------
99 /** calcPointsYValue calculate the points Y value in relation to the listbox entry
100 @param _pWin the corresponding window
101 @param _pEntry the source or dest entry
102 @param _rNewConPos (in/out) the connection pos
103 @param _rNewDescrPos (in/out) the description pos
104 */
calcPointsYValue(const OTableWindow * _pWin,SvLBoxEntry * _pEntry,Point & _rNewConPos,Point & _rNewDescrPos)105 void calcPointsYValue(const OTableWindow* _pWin,SvLBoxEntry* _pEntry,Point& _rNewConPos,Point& _rNewDescrPos)
106 {
107 const OTableWindowListBox* pListBox = _pWin->GetListBox();
108 _rNewConPos.Y() = _pWin->GetPosPixel().Y();
109 if ( _pEntry )
110 {
111 const long nRowHeight = pListBox->GetEntryHeight();
112 _rNewConPos.Y() += pListBox->GetPosPixel().Y();
113 long nEntryPos = pListBox->GetEntryPosition( _pEntry ).Y();
114
115 if( nEntryPos >= 0 )
116 {
117 _rNewConPos.Y() += nEntryPos;
118 _rNewConPos.Y() += (long)( 0.5 * nRowHeight );
119 }
120 else
121 _rNewConPos.Y() -= (long)( 0.5 * nRowHeight );
122
123 long nListBoxBottom = _pWin->GetPosPixel().Y()
124 + pListBox->GetPosPixel().Y()
125 + pListBox->GetSizePixel().Height();
126 if( _rNewConPos.Y() > nListBoxBottom )
127 _rNewConPos.Y() = nListBoxBottom + 2;
128 }
129 else
130 _rNewConPos.Y() += static_cast<sal_Int32>(pListBox->GetPosPixel().Y()*0.5);
131
132 _rNewDescrPos.Y() = _rNewConPos.Y();
133 }
134 // -----------------------------------------------------------------------------
135 }
136
137 //========================================================================
138 // class OConnectionLine
139 //========================================================================
DBG_NAME(OConnectionLine)140 DBG_NAME(OConnectionLine)
141 //------------------------------------------------------------------------
142 OConnectionLine::OConnectionLine( OTableConnection* _pConn, OConnectionLineDataRef _pLineData )
143 : m_pTabConn( _pConn )
144 ,m_pData( _pLineData )
145 {
146 DBG_CTOR(OConnectionLine,NULL);
147 }
148
149 //------------------------------------------------------------------------
OConnectionLine(const OConnectionLine & _rLine)150 OConnectionLine::OConnectionLine( const OConnectionLine& _rLine )
151 {
152 DBG_CTOR(OConnectionLine,NULL);
153 m_pData = new OConnectionLineData( *_rLine.GetData() );
154 *this = _rLine;
155 }
156
157 //------------------------------------------------------------------------
~OConnectionLine()158 OConnectionLine::~OConnectionLine()
159 {
160 DBG_DTOR(OConnectionLine,NULL);
161 }
162
163 //------------------------------------------------------------------------
operator =(const OConnectionLine & rLine)164 OConnectionLine& OConnectionLine::operator=( const OConnectionLine& rLine )
165 {
166 if( &rLine != this )
167 {
168 // da mir die Daten nicht gehoeren, loesche ich die alten nicht
169 m_pData->CopyFrom(*rLine.GetData());
170 // CopyFrom ist virtuell, damit ist es kein Problem, wenn m_pData von einem von OTableConnectionData abgeleiteten Typ ist
171
172 m_pTabConn = rLine.m_pTabConn;
173 m_aSourceConnPos = rLine.m_aSourceConnPos;
174 m_aDestConnPos = rLine.m_aDestConnPos;
175 m_aSourceDescrLinePos = rLine.m_aSourceDescrLinePos;
176 m_aDestDescrLinePos = rLine.m_aDestDescrLinePos;
177 }
178
179 return *this;
180 }
181
182 //------------------------------------------------------------------------
GetBoundingRect()183 Rectangle OConnectionLine::GetBoundingRect()
184 {
185 //////////////////////////////////////////////////////////////////////
186 // Umgebendes Rechteck bestimmen
187 Rectangle aBoundingRect( Point(0,0), Point(0,0) );
188 if( !IsValid() )
189 return aBoundingRect;
190
191 Point aTopLeft;
192 Point aBottomRight;
193
194 if( m_aSourceDescrLinePos.Y() <= m_aDestDescrLinePos.Y() )
195 {
196 aTopLeft.Y() = m_aSourceDescrLinePos.Y();
197 aBottomRight.Y() = m_aDestDescrLinePos.Y();
198 }
199 else
200 {
201 aTopLeft.Y() = m_aDestDescrLinePos.Y();
202 aBottomRight.Y() = m_aSourceDescrLinePos.Y();
203 }
204
205 if( m_aSourceDescrLinePos.X() <= m_aDestDescrLinePos.X() )
206 {
207 aTopLeft.X() = m_aSourceDescrLinePos.X();
208 aBottomRight.X() = m_aDestDescrLinePos.X();
209 }
210 else
211 {
212 aTopLeft.X() = m_aDestDescrLinePos.X();
213 aBottomRight.X() = m_aSourceDescrLinePos.X();
214 }
215
216 const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin();
217 const OTableWindow* pDestWin = m_pTabConn->GetDestWin();
218 //////////////////////////////////////////////////////////////////////
219 // Linie verlaeuft in z-Form
220 if( pSourceWin == pDestWin || Abs(m_aSourceConnPos.X() - m_aDestConnPos.X()) > Abs(m_aSourceDescrLinePos.X() - m_aDestDescrLinePos.X()) )
221 {
222 aTopLeft.X() -= DESCRIPT_LINE_WIDTH;
223 aBottomRight.X() += DESCRIPT_LINE_WIDTH;
224 }
225
226 aBoundingRect = Rectangle( aTopLeft-Point(2,17), aBottomRight+Point(2,2) );
227
228 return aBoundingRect;
229 }
230 // -----------------------------------------------------------------------------
calcPointX1(const OTableWindow * _pWin,Point & _rNewConPos,Point & _rNewDescrPos)231 void calcPointX1(const OTableWindow* _pWin,Point& _rNewConPos,Point& _rNewDescrPos)
232 {
233 _rNewConPos.X() = _pWin->GetPosPixel().X() + _pWin->GetSizePixel().Width();
234 _rNewDescrPos.X() = _rNewConPos.X();
235 _rNewConPos.X() += DESCRIPT_LINE_WIDTH;
236 }
237 // -----------------------------------------------------------------------------
calcPointX2(const OTableWindow * _pWin,Point & _rNewConPos,Point & _rNewDescrPos)238 void calcPointX2(const OTableWindow* _pWin,Point& _rNewConPos,Point& _rNewDescrPos)
239 {
240 _rNewConPos.X() = _pWin->GetPosPixel().X();
241 _rNewDescrPos.X() = _rNewConPos.X();
242 _rNewConPos.X() -= DESCRIPT_LINE_WIDTH;
243 }
244 //------------------------------------------------------------------------
RecalcLine()245 sal_Bool OConnectionLine::RecalcLine()
246 {
247 //////////////////////////////////////////////////////////////////////
248 // Fenster und Entries muessen gesetzt sein
249 const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin();
250 const OTableWindow* pDestWin = m_pTabConn->GetDestWin();
251
252 if( !pSourceWin || !pDestWin )
253 return sal_False;
254
255 SvLBoxEntry* pSourceEntry = pSourceWin->GetListBox()->GetEntryFromText( GetData()->GetSourceFieldName() );
256 SvLBoxEntry* pDestEntry = pDestWin->GetListBox()->GetEntryFromText( GetData()->GetDestFieldName() );
257
258 //////////////////////////////////////////////////////////////////////
259 // X-Koordinaten bestimmen
260 Point aSourceCenter( 0, 0 );
261 Point aDestCenter( 0, 0 );
262
263 aSourceCenter.X() = pSourceWin->GetPosPixel().X() + (long)( 0.5*pSourceWin->GetSizePixel().Width() );
264 aDestCenter.X() = pDestWin->GetPosPixel().X() + (long)( 0.5*pDestWin->GetSizePixel().Width() );
265
266 const OTableWindow* pFirstWin = pDestWin;
267 const OTableWindow* pSecondWin = pSourceWin;
268 Point* pFirstConPos = &m_aDestConnPos;
269 Point* pFirstDescrPos = &m_aDestDescrLinePos;
270 Point* pSecondConPos = &m_aSourceConnPos;
271 Point* pSecondDescrPos = &m_aSourceDescrLinePos;
272 if( aDestCenter.X() > aSourceCenter.X() )
273 {
274 pFirstWin = pSourceWin;
275 pSecondWin = pDestWin;
276 pFirstConPos = &m_aSourceConnPos;
277 pFirstDescrPos = &m_aSourceDescrLinePos;
278 pSecondConPos = &m_aDestConnPos;
279 pSecondDescrPos = &m_aDestDescrLinePos;
280 }
281
282 if ( pFirstWin == pSecondWin && pSourceEntry != pDestEntry )
283 calcPointX2(pFirstWin,*pFirstConPos,*pFirstDescrPos);
284 else
285 calcPointX1(pFirstWin,*pFirstConPos,*pFirstDescrPos);
286 calcPointX2(pSecondWin,*pSecondConPos,*pSecondDescrPos);
287
288 //////////////////////////////////////////////////////////////////////
289 // aSourceConnPosY bestimmen
290 calcPointsYValue(pSourceWin,pSourceEntry,m_aSourceConnPos,m_aSourceDescrLinePos);
291
292 //////////////////////////////////////////////////////////////////////
293 // aDestConnPosY bestimmen
294 calcPointsYValue(pDestWin,pDestEntry,m_aDestConnPos,m_aDestDescrLinePos);
295
296 return sal_True;
297 }
298 // -----------------------------------------------------------------------------
299
300 //------------------------------------------------------------------------
Draw(OutputDevice * pOutDev)301 void OConnectionLine::Draw( OutputDevice* pOutDev )
302 {
303 const sal_uInt16 nRectSize = 3;
304
305 //////////////////////////////////////////////////////////////////////
306 // Neue Dimensionen berechnen
307 if( !RecalcLine() )
308 return;
309
310 //////////////////////////////////////////////////////////////////////
311 // Zeichnen der Linien
312 if (m_pTabConn->IsSelected())
313 pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetHighlightColor());
314 else
315 pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor());
316
317 LineInfo aLineInfo;
318 if ( m_pTabConn->IsSelected() )
319 aLineInfo.SetWidth(3);
320 Polygon aPoly;
321 aPoly.Insert(0,m_aSourceDescrLinePos);
322 aPoly.Insert(1,m_aSourceConnPos);
323 aPoly.Insert(2,m_aDestConnPos);
324 aPoly.Insert(3,m_aDestDescrLinePos);
325 pOutDev->DrawPolyLine(aPoly,aLineInfo);
326
327 //////////////////////////////////////////////////////////////////////
328 // draw the connection rectangles
329 pOutDev->SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor());
330
331 Point aVector(nRectSize,nRectSize);
332 pOutDev->DrawRect( calcRect(m_aSourceDescrLinePos,aVector) );
333 pOutDev->DrawRect( calcRect( m_aDestDescrLinePos,aVector) );
334 }
335 // -----------------------------------------------------------------------------
IsValid() const336 sal_Bool OConnectionLine::IsValid() const
337 {
338 return m_pData.isValid();
339 }
340 //------------------------------------------------------------------------
dist_Euklid(const Point & p1,const Point & p2,const Point & pM,Point & q)341 double dist_Euklid(const Point &p1, const Point& p2,const Point& pM, Point& q)
342 {
343 Point v(p2 - p1);
344 Point w(pM - p1);
345 double a = sqrt((double)(v.X()*v.X() + v.Y()*v.Y()));
346 double l = (v.X() * w.Y() - v.Y() * w.X()) / a;
347 double a2 = w.X()*v.X()+w.Y()*v.Y();
348 a = a2 / (a * a);
349 q.X() = long(p1.X() + a * v.X());
350 q.Y() = long(p1.Y() + a * v.Y());
351 return l;
352 }
353 //------------------------------------------------------------------------
CheckHit(const Point & rMousePos) const354 bool OConnectionLine::CheckHit( const Point& rMousePos ) const
355 {
356 //////////////////////////////////////////////////////////////////////
357 /*
358 Vorgehensweise beim HitTest:
359 Es wird der Abstand nach Euklid berechnet.
360 */
361 Point q;
362 double l = fabs(dist_Euklid(m_aSourceConnPos,m_aDestConnPos,rMousePos,q));
363 if( l < HIT_SENSITIVE_RADIUS)
364 {
365 if(::std::min(m_aSourceConnPos.X(),m_aDestConnPos.X()) <= q.X() && ::std::min(m_aSourceConnPos.Y(),m_aDestConnPos.Y()) <= q.Y()
366 && q.X() <= ::std::max(m_aDestConnPos.X(),m_aSourceConnPos.X()) && q.Y() <= ::std::max(m_aDestConnPos.Y(),m_aSourceConnPos.Y()))
367 return true;
368 }
369
370 return false;
371 }
372 // -----------------------------------------------------------------------------
GetSourceTextPos() const373 Rectangle OConnectionLine::GetSourceTextPos() const
374 {
375 return GetTextPos(m_pTabConn->GetSourceWin(),m_aSourceConnPos,m_aSourceDescrLinePos);
376 }
377 // -----------------------------------------------------------------------------
GetDestTextPos() const378 Rectangle OConnectionLine::GetDestTextPos() const
379 {
380 return GetTextPos(m_pTabConn->GetDestWin(),m_aDestConnPos,m_aDestDescrLinePos);
381 }
382 // -----------------------------------------------------------------------------
getMidPoint() const383 Point OConnectionLine::getMidPoint() const
384 {
385 Point aDest = m_aDestConnPos - m_aSourceConnPos;
386 aDest.X() /= 2;
387 aDest.Y() /= 2;
388
389 return m_aSourceConnPos + aDest;
390 }
391 // -----------------------------------------------------------------------------
392
393
394