accessibility/source/extended/AccessibleGridControlTable.cxx

   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 "accessibility/extended/AccessibleGridControlTable.hxx"
  21 #include "accessibility/extended/AccessibleGridControlTableCell.hxx"
  22 #include <svtools/accessibletable.hxx>
  23
  24
  25
  26 using ::com::sun::star::uno::Reference;
  27 using ::com::sun::star::uno::Sequence;
  28 using ::com::sun::star::uno::Any;
  29
  30 using namespace ::com::sun::star;
  31 using namespace ::com::sun::star::accessibility;
  32 using namespace ::svt;
  33 using namespace ::svt::table;
  34
  35
  36 namespace accessibility {
  37
  38
  39
  40 AccessibleGridControlTable::AccessibleGridControlTable(
  41         const Reference< XAccessible >& rxParent,
  42         IAccessibleTable& rTable,
  43         AccessibleTableControlObjType _eType) :
  44     AccessibleGridControlTableBase( rxParent, rTable, _eType )
  45         ,m_pCellVector( )
  46         ,m_pAccessCellVector( )
  47 {
  48 }
  49
  50 AccessibleGridControlTable::~AccessibleGridControlTable()
  51 {
  52 }
  53
  54 // XAccessibleContext ---------------------------------------------------------
  55
  56 Reference< XAccessible > SAL_CALL
  57 AccessibleGridControlTable::getAccessibleChild( sal_Int32 nChildIndex )
  58     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
  59 {
  60     SolarMutexGuard aSolarGuard;
  61
  62     ensureIsAlive();
  63     ensureIsValidIndex( nChildIndex );
  64     sal_Int32 nCount = getAccessibleChildCount();
  65     if(m_pAccessCellVector.size() == 0 || m_pAccessCellVector.size() != (unsigned)nCount)
  66     {
  67         m_pAccessCellVector.resize(nCount);
  68         m_pCellVector.resize(nCount);
  69     }
  70     if(!m_pAccessCellVector[nChildIndex].is())
  71     {
  72         AccessibleGridControlTableCell* pCell = new AccessibleGridControlTableCell(this, m_aTable, nChildIndex/m_aTable.GetColumnCount(), nChildIndex%m_aTable.GetColumnCount(), TCTYPE_TABLECELL);
  73         m_pCellVector[nChildIndex] = pCell;
  74         m_pAccessCellVector[nChildIndex] = pCell;
  75     }
  76     return m_pAccessCellVector[nChildIndex];
  77 }
  78
  79 sal_Int32 SAL_CALL AccessibleGridControlTable::getAccessibleIndexInParent()
  80     throw ( uno::RuntimeException, std::exception )
  81 {
  82     ensureIsAlive();
  83     if(m_aTable.HasRowHeader() && m_aTable.HasColHeader())
  84         return 0;
  85     else if((!m_aTable.HasRowHeader() && m_aTable.HasColHeader()) || (m_aTable.HasRowHeader() && !m_aTable.HasColHeader()) )
  86         return 1;
  87     else
  88         return 2;
  89 }
  90
  91 // XAccessibleComponent -------------------------------------------------------
  92
  93 Reference< XAccessible > SAL_CALL
  94 AccessibleGridControlTable::getAccessibleAtPoint( const awt::Point& rPoint )
  95     throw ( uno::RuntimeException, std::exception )
  96 {
  97     SolarMutexGuard aSolarGuard;
  98
  99     ensureIsAlive();
 100
 101     Reference< XAccessible > xChild;
 102     sal_Int32 nRow = 0;
 103     sal_Int32 nColumnPos = 0;
 104     if( m_aTable.ConvertPointToCellAddress( nRow, nColumnPos, VCLPoint( rPoint ) ) )
 105         xChild = new AccessibleGridControlTableCell(this, m_aTable, nRow, nColumnPos, TCTYPE_TABLECELL);
 106     return xChild;
 107 }
 108
 109 void SAL_CALL AccessibleGridControlTable::grabFocus()
 110     throw ( uno::RuntimeException, std::exception )
 111 {
 112     SolarMutexGuard aSolarGuard;
 113
 114     ensureIsAlive();
 115     m_aTable.GrabFocus();
 116 }
 117
 118 // XAccessibleTable -----------------------------------------------------------
 119
 120 OUString SAL_CALL AccessibleGridControlTable::getAccessibleRowDescription( sal_Int32 nRow )
 121     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 122 {
 123     SolarMutexGuard aSolarGuard;
 124
 125     ensureIsAlive();
 126     ensureIsValidRow( nRow );
 127     return m_aTable.GetRowDescription( nRow );
 128 }
 129
 130 OUString SAL_CALL AccessibleGridControlTable::getAccessibleColumnDescription( sal_Int32 nColumn )
 131     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 132 {
 133     SolarMutexGuard aSolarGuard;
 134
 135     ensureIsAlive();
 136     ensureIsValidColumn( nColumn );
 137     return m_aTable.GetColumnDescription( (sal_uInt16)nColumn );
 138 }
 139
 140 Reference< XAccessibleTable > SAL_CALL AccessibleGridControlTable::getAccessibleRowHeaders()
 141     throw ( uno::RuntimeException, std::exception )
 142 {
 143     SolarMutexGuard g;
 144
 145     ensureIsAlive();
 146     if(m_aTable.HasColHeader())
 147         return implGetHeaderBar( 1 );
 148     else
 149         return implGetHeaderBar( 0 );
 150 }
 151
 152 Reference< XAccessibleTable > SAL_CALL AccessibleGridControlTable::getAccessibleColumnHeaders()
 153     throw ( uno::RuntimeException, std::exception )
 154 {
 155     SolarMutexGuard g;
 156
 157     ensureIsAlive();
 158     return implGetHeaderBar( 0 );
 159 }
 160
 161 Sequence< sal_Int32 > SAL_CALL AccessibleGridControlTable::getSelectedAccessibleRows()
 162     throw ( uno::RuntimeException, std::exception )
 163 {
 164     SolarMutexGuard aSolarGuard;
 165
 166     ensureIsAlive();
 167     Sequence< sal_Int32 > aSelSeq;
 168     implGetSelectedRows( aSelSeq );
 169     return aSelSeq;
 170 }
 171
 172 //columns aren't selectable
 173 Sequence< sal_Int32 > SAL_CALL AccessibleGridControlTable::getSelectedAccessibleColumns()
 174     throw ( uno::RuntimeException, std::exception )
 175 {
 176     Sequence< sal_Int32 > aSelSeq(0);
 177     return aSelSeq;
 178 }
 179
 180 sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleRowSelected( sal_Int32 nRow )
 181     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 182 {
 183     SolarMutexGuard aSolarGuard;
 184
 185     ensureIsAlive();
 186     ensureIsValidRow( nRow );
 187     bool bSelected = false;
 188     Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows();
 189     for(int i=0; i<selectedRows.getLength(); i++)
 190     {
 191         if(nRow == selectedRows[i])
 192         {
 193             bSelected = true;
 194             continue;
 195         }
 196     }
 197     return bSelected;
 198 }
 199
 200 //columns aren't selectable
 201 sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleColumnSelected( sal_Int32 nColumn )
 202     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 203 {
 204     (void) nColumn;
 205     return false;
 206 }
 207
 208 Reference< XAccessible > SAL_CALL AccessibleGridControlTable::getAccessibleCellAt(
 209         sal_Int32 nRow, sal_Int32 nColumn )
 210     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 211 {
 212     SolarMutexGuard aSolarGuard;
 213
 214     ensureIsAlive();
 215     ensureIsValidAddress( nRow, nColumn );
 216     sal_Int32 nCount = getAccessibleChildCount();
 217     sal_Int32 nChildIndex = nRow*m_aTable.GetColumnCount() + nColumn;
 218     if(m_pAccessCellVector.size() == 0 || m_pAccessCellVector.size() != (unsigned)nCount)
 219     {
 220         m_pAccessCellVector.resize(nCount);
 221         m_pCellVector.resize(nCount);
 222     }
 223     if(!m_pAccessCellVector[nChildIndex].is())
 224     {
 225         AccessibleGridControlTableCell* pCell = new AccessibleGridControlTableCell(this, m_aTable, nRow, nColumn, TCTYPE_TABLECELL);
 226         m_pCellVector[nChildIndex] = pCell;
 227         m_pAccessCellVector[nChildIndex] = pCell;
 228     }
 229     return m_pAccessCellVector[nChildIndex];
 230 }
 231
 232 sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleSelected(
 233         sal_Int32 nRow, sal_Int32 nColumn )
 234     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 235 {
 236     SolarMutexGuard aSolarGuard;
 237
 238     ensureIsAlive();
 239     ensureIsValidAddress( nRow, nColumn );
 240     (void) nColumn;
 241     //selection of single cells not possible, so if row is selected, the cell will be selected too
 242     return isAccessibleRowSelected(nRow);
 243 }
 244 void SAL_CALL AccessibleGridControlTable::selectAccessibleChild( sal_Int32 nChildIndex )
 245     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 246 {
 247     SolarMutexGuard aSolarGuard;
 248
 249     ensureIsAlive();
 250     ensureIsValidIndex( nChildIndex );
 251     sal_Int32 nColumns = m_aTable.GetColumnCount();
 252     sal_Int32 nRow = (nChildIndex / nColumns);
 253     m_aTable.SelectRow( nRow, true );
 254 }
 255 sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleChildSelected( sal_Int32 nChildIndex )
 256     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 257 {
 258     SolarMutexGuard aSolarGuard;
 259
 260     ensureIsAlive();
 261     ensureIsValidIndex( nChildIndex );
 262     sal_Int32 nColumns = m_aTable.GetColumnCount();
 263     sal_Int32 nRow = (nChildIndex / nColumns);
 264     return isAccessibleRowSelected(nRow);
 265 }
 266 void SAL_CALL AccessibleGridControlTable::clearAccessibleSelection()
 267     throw ( uno::RuntimeException, std::exception )
 268 {
 269     SolarMutexGuard aSolarGuard;
 270
 271     ensureIsAlive();
 272     m_aTable.SelectAllRows( false );
 273 }
 274 void SAL_CALL AccessibleGridControlTable::selectAllAccessibleChildren()
 275     throw ( uno::RuntimeException, std::exception )
 276 {
 277     SolarMutexGuard aSolarGuard;
 278
 279     ensureIsAlive();
 280     Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows();
 281     for(int i=0;i<m_aTable.GetRowCount();i++)
 282         selectedRows[i]=i;
 283 }
 284 sal_Int32 SAL_CALL AccessibleGridControlTable::getSelectedAccessibleChildCount()
 285     throw ( uno::RuntimeException, std::exception )
 286 {
 287     SolarMutexGuard aSolarGuard;
 288
 289     ensureIsAlive();
 290     Sequence< sal_Int32 > selectedRows = getSelectedAccessibleRows();
 291     sal_Int32 nColumns = m_aTable.GetColumnCount();
 292     return selectedRows.getLength()*nColumns;
 293 }
 294 Reference< XAccessible > SAL_CALL
 295 AccessibleGridControlTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
 296     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 297 {
 298     SolarMutexGuard aSolarGuard;
 299
 300     ensureIsAlive();
 301     if(isAccessibleChildSelected(nSelectedChildIndex))
 302         return getAccessibleChild(nSelectedChildIndex);
 303     else
 304         return NULL;
 305 }
 306 //not implemented yet, because only row selection possible
 307 void SAL_CALL AccessibleGridControlTable::deselectAccessibleChild(
 308         sal_Int32 nSelectedChildIndex )
 309     throw ( lang::IndexOutOfBoundsException, uno::RuntimeException, std::exception )
 310 {
 311     SolarMutexGuard aSolarGuard;
 312
 313     ensureIsAlive();
 314     (void)nSelectedChildIndex;
 315 }
 316 // XInterface -----------------------------------------------------------------
 317
 318 Any SAL_CALL AccessibleGridControlTable::queryInterface( const uno::Type& rType )
 319     throw ( uno::RuntimeException, std::exception )
 320 {
 321     Any aAny( AccessibleGridControlTableBase::queryInterface( rType ) );
 322     return aAny.hasValue() ?
 323         aAny : AccessibleGridControlTableImplHelper1::queryInterface( rType );
 324 }
 325
 326 void SAL_CALL AccessibleGridControlTable::acquire() throw ()
 327 {
 328     AccessibleGridControlTableBase::acquire();
 329 }
 330
 331 void SAL_CALL AccessibleGridControlTable::release() throw ()
 332 {
 333     AccessibleGridControlTableBase::release();
 334 }
 335 // XServiceInfo ---------------------------------------------------------------
 336
 337 OUString SAL_CALL AccessibleGridControlTable::getImplementationName()
 338     throw ( uno::RuntimeException, std::exception )
 339 {
 340     return OUString( "com.sun.star.accessibility.AccessibleGridControlTable" );
 341 }
 342
 343 // internal virtual methods ---------------------------------------------------
 344
 345 Rectangle AccessibleGridControlTable::implGetBoundingBox()
 346 {
 347     vcl::Window* pParent = m_aTable.GetAccessibleParentWindow();
 348     DBG_ASSERT( pParent, "implGetBoundingBox - missing parent window" );
 349     Rectangle aGridRect( m_aTable.GetWindowExtentsRelative( pParent ));
 350     Rectangle aTableRect( m_aTable.calcTableRect() );
 351     long nX = aGridRect.Left() + aTableRect.Left();
 352     long nY = aGridRect.Top() + aTableRect.Top();
 353     long nWidth = aGridRect.GetSize().Width()-aTableRect.Left();
 354     long nHeight = aGridRect.GetSize().Height()-aTableRect.Top();
 355     Rectangle aTable( Point( nX, nY ), Size( nWidth, nHeight ));
 356     return aTable;
 357 }
 358
 359 Rectangle AccessibleGridControlTable::implGetBoundingBoxOnScreen()
 360 {
 361     Rectangle aGridRect( m_aTable.GetWindowExtentsRelative( NULL ));
 362     Rectangle aTableRect( m_aTable.calcTableRect() );
 363     long nX = aGridRect.Left() + aTableRect.Left();
 364     long nY = aGridRect.Top() + aTableRect.Top();
 365     long nWidth = aGridRect.GetSize().Width()-aTableRect.Left();
 366     long nHeight = aGridRect.GetSize().Height()-aTableRect.Top();
 367     Rectangle aTable( Point( nX, nY ), Size( nWidth, nHeight ));
 368     return aTable;
 369 }
 370 // internal helper methods ----------------------------------------------------
 371 Reference< XAccessibleTable > AccessibleGridControlTable::implGetHeaderBar(
 372         sal_Int32 nChildIndex )
 373     throw ( uno::RuntimeException )
 374 {
 375     Reference< XAccessible > xRet;
 376     Reference< XAccessibleContext > xContext( m_xParent, uno::UNO_QUERY );
 377     if( xContext.is() )
 378     {
 379         try
 380         {
 381             xRet = xContext->getAccessibleChild( nChildIndex );
 382         }
 383         catch (const lang::IndexOutOfBoundsException&)
 384         {
 385             OSL_FAIL( "implGetHeaderBar - wrong child index" );
 386         }
 387         // RuntimeException goes to caller
 388     }
 389     return Reference< XAccessibleTable >( xRet, uno::UNO_QUERY );
 390 }
 391
 392
 393
 394
 395 } // namespace accessibility
 396
 397
 398
 399 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */