src/table.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *        Copyright 1995 Matthias Ettrich
   7  *        Copyright 1995-2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <algorithm>
  15 #include <cstdlib>
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21 #include "table.h"
  22 #include "debug.h"
  23 #include "vspace.h"
  24 #include "layout.h"
  25 #include "support/lstrings.h"
  26 #include "support/lyxmanip.h"
  27
  28 using std::ostream;
  29 using std::istream;
  30 using std::max;
  31 using std::endl;
  32
  33 static int const WIDTH_OF_LINE = 5;
  34
  35
  36 /* konstruktor */
  37 LyXTable::LyXTable(int rows_arg, int columns_arg)
  38 {
  39         Init(rows_arg, columns_arg);
  40 }
  41
  42
  43 LyXTable::LyXTable(LyXLex & lex)
  44 {
  45         istream & is = lex.getStream();
  46         Read(is);
  47 }
  48
  49
  50 LyXTable::~LyXTable() {
  51         delete[] rowofcell;
  52         delete[] columnofcell;
  53         delete[] column_info;
  54         delete[] row_info;
  55         for (int i = 0; i < rows; ++i) {
  56                 delete[] cell_info[i]; // verify that this shoudn't be freed with delete
  57         }
  58         delete[] cell_info;
  59 }
  60
  61
  62 LyXTable * LyXTable::Clone()
  63 {
  64     LyXTable * result = new LyXTable(rows, columns);
  65     int row, column;;
  66
  67     for (row = 0; row < rows; ++row) {
  68         for (column = 0; column < columns; ++column) {
  69             result->cell_info[row][column] = cell_info[row][column];
  70         }
  71     }
  72
  73     for (row = 0; row < rows; ++row) {
  74         result->row_info[row] = row_info[row];
  75     }
  76
  77     for (column = 0; column < columns; ++column) {
  78         result->column_info[column].left_line = column_info[column].left_line;
  79         result->column_info[column].right_line = column_info[column].right_line;
  80         result->column_info[column].alignment = column_info[column].alignment;
  81         result->column_info[column].p_width = column_info[column].p_width;
  82         result->column_info[column].align_special = column_info[column].align_special;
  83     }
  84
  85     result->SetLongTable(is_long_table);
  86     result->rotate = rotate;
  87     result->Reinit();
  88     return result;
  89 }
  90
  91
  92 /* activates all lines and sets all widths to 0 */
  93 void LyXTable::Init(int rows_arg, int columns_arg)
  94 {
  95     int i, j;
  96     rows = rows_arg;
  97     columns = columns_arg;
  98     column_info = new columnstruct[columns];
  99     row_info = new rowstruct[rows];
 100     cell_info = new cellstruct*[rows];
 101
 102     int cellno = 0;
 103     for (i = 0; i < rows; ++i) {
 104         cell_info[i] = new cellstruct[columns];
 105         row_info[i].top_line = true;
 106         row_info[i].bottom_line = false;
 107         row_info[i].is_cont_row = false;
 108         row_info[i].newpage = false;
 109         for (j = 0; j < columns; ++j) {
 110             cell_info[i][j].cellno = cellno++;
 111             cell_info[i][j].width_of_cell = 0;
 112             cell_info[i][j].multicolumn = LyXTable::CELL_NORMAL;
 113             cell_info[i][j].alignment = LYX_ALIGN_CENTER;
 114             cell_info[i][j].top_line = row_info[i].top_line;
 115             cell_info[i][j].bottom_line = row_info[i].bottom_line;
 116             cell_info[i][j].has_cont_row = false;
 117             cell_info[i][j].rotate = false;
 118             cell_info[i][j].linebreaks = false;
 119         }
 120     }
 121     row_info[i-1].bottom_line = true;
 122     row_info[0].bottom_line = true;
 123
 124     for (i = 0; i < columns; ++i) {
 125         column_info[i].left_line = true;
 126         column_info[i].right_line = false;
 127         column_info[i].alignment = LYX_ALIGN_CENTER;
 128         // set width_of_column to zero before it is used in
 129         // calculate_width_of_column() (thornley)
 130         column_info[i].width_of_column = 0;
 131         calculate_width_of_column(i);
 132     }
 133     column_info[i-1].right_line = true;
 134
 135     calculate_width_of_table();
 136
 137     rowofcell = 0;
 138     columnofcell = 0;
 139     set_row_column_number_info();
 140     is_long_table = false;
 141     rotate = 0;
 142     endhead = -1;
 143     endfirsthead = -1;
 144     endfoot = -1;
 145     endlastfoot = -1;
 146 }
 147
 148
 149 void LyXTable::AppendRow(int cell)
 150 {
 151     int row = row_of_cell(cell);
 152     rowstruct * row_info2 = new rowstruct[rows + 1];
 153     cellstruct ** cell_info2 = new cellstruct * [rows + 1];
 154     int i;
 155
 156     for (i = 0; i <= row; ++i) {
 157         cell_info2[i] = cell_info[i];
 158         row_info2[i] = row_info[i];
 159     }
 160     for (i = rows - 1; i >= row; --i) {
 161         cell_info2[i + 1] = cell_info[i];
 162         row_info2[i + 1] = row_info[i];
 163     }
 164     for (i = row; row_info[i].is_cont_row; --i);
 165     if (((row + 1) >= rows) || !row_info[row + 1].is_cont_row)
 166         row_info2[row + 1].is_cont_row = false;
 167     row_info2[row + 1].top_line = row_info[i].top_line;
 168     cell_info2[row + 1] = new cellstruct[columns];
 169     for (i = 0; i < columns; ++i) {
 170         cell_info2[row + 1][i].width_of_cell = 0;
 171         cell_info2[row + 1][i] = cell_info2[row][i];
 172     }
 173
 174     delete[] cell_info;
 175     cell_info = cell_info2;
 176     delete[] row_info;
 177     row_info = row_info2;
 178
 179     ++rows;
 180
 181     Reinit();
 182 }
 183
 184
 185 void LyXTable::DeleteRow(int cell)
 186 {
 187         int row = row_of_cell(cell);
 188         while(!row_info[row].is_cont_row && RowHasContRow(cell))
 189             DeleteRow(cell_info[row+1][0].cellno);
 190         rowstruct * row_info2 = new rowstruct[rows - 1];
 191         cellstruct ** cell_info2 = new cellstruct * [rows - 1];
 192
 193         delete[] cell_info[row];
 194         int i = 0;
 195         for (; i < row; ++i) {
 196                 cell_info2[i] = cell_info[i];
 197                 row_info2[i] = row_info[i];
 198         }
 199         if (row_info[i].is_cont_row)
 200             row_info2[i - 1].bottom_line = row_info[i].bottom_line;
 201         for (i = row; i < rows - 1; ++i) {
 202                 cell_info2[i] = cell_info[i + 1];
 203                 row_info2[i] = row_info[i + 1];
 204         }
 205
 206         delete[] cell_info;
 207         cell_info = cell_info2;
 208         delete[] row_info;
 209         row_info = row_info2;
 210
 211         --rows;
 212
 213         Reinit();
 214 }
 215
 216
 217 void LyXTable::AppendColumn(int cell)
 218 {
 219     int j;
 220     columnstruct * column_info2 = new columnstruct[columns + 1];
 221     int column = right_column_of_cell(cell);
 222
 223     int i = 0;
 224     for (; i <= column; ++i) {
 225         column_info2[i] = column_info[i];
 226     }
 227     for (i = columns - 1; i >= column; --i) {
 228         column_info2[i + 1] = column_info[i];
 229     }
 230
 231     delete[] column_info;
 232     column_info = column_info2;
 233
 234     for (i = 0; i < rows; ++i) {
 235         cellstruct * tmp = cell_info[i];
 236         cell_info[i] = new cellstruct[columns + 1];
 237         for (j = 0; j <= column; ++j) {
 238             cell_info[i][j] = tmp[j];
 239         }
 240         for (j = column; j < columns; ++j) {
 241             cell_info[i][j + 1] = tmp[j];
 242         }
 243         // care about multicolumns
 244         if (cell_info[i][column + 1].multicolumn
 245             == LyXTable::CELL_BEGIN_OF_MULTICOLUMN){
 246             cell_info[i][column + 1].multicolumn =
 247                 LyXTable::CELL_PART_OF_MULTICOLUMN;
 248         }
 249         if (column + 1 == columns
 250             || cell_info[i][column + 2].multicolumn
 251             != LyXTable::CELL_PART_OF_MULTICOLUMN){
 252             cell_info[i][column + 1].multicolumn =
 253                 LyXTable::CELL_NORMAL;
 254         }
 255         delete[] tmp;
 256     }
 257
 258     ++columns;
 259     Reinit();
 260 }
 261
 262
 263 void LyXTable::Reinit()
 264 {
 265         int j;
 266
 267         int i = 0;
 268         for (; i < rows; ++i) {
 269                 for (j = 0; j < columns; ++j) {
 270                         cell_info[i][j].width_of_cell = 0;
 271                         if ((i + 1 < rows) && !row_info[i+1].is_cont_row)
 272                             cell_info[i][j].has_cont_row = false;
 273                 }
 274         }
 275
 276         for (i = 0; i < columns; ++i) {
 277                 calculate_width_of_column(i);
 278         }
 279         calculate_width_of_table();
 280
 281         set_row_column_number_info();
 282 }
 283
 284
 285 void LyXTable::set_row_column_number_info()
 286 {
 287         int c = 0;
 288         int column = 0;
 289         numberofcells = -1;
 290         int row = 0;
 291         for (; row < rows; ++row) {
 292                 for (column = 0; column<columns; ++column) {
 293                         if (cell_info[row][column].multicolumn
 294                             != LyXTable::CELL_PART_OF_MULTICOLUMN)
 295                                 ++numberofcells;
 296                         cell_info[row][column].cellno = numberofcells;
 297                 }
 298         }
 299         ++numberofcells; // because this is one more than as we start from 0
 300         row = 0;
 301         column = 0;
 302
 303         delete [] rowofcell;
 304         rowofcell = new int[numberofcells];
 305         delete [] columnofcell;
 306         columnofcell = new int[numberofcells];
 307
 308         while (c < numberofcells && row < rows && column < columns) {
 309                 rowofcell[c] = row;
 310                 columnofcell[c] = column;
 311                 ++c;
 312                 do {
 313                         ++column;
 314                 } while (column < columns &&
 315                          cell_info[row][column].multicolumn
 316                          == LyXTable::CELL_PART_OF_MULTICOLUMN);
 317                 if (column == columns) {
 318                         column = 0;
 319                         ++row;
 320                 }
 321         }
 322 }
 323
 324
 325 void LyXTable::DeleteColumn(int cell)
 326 {
 327         int column1 = column_of_cell(cell);
 328         int column2 = right_column_of_cell(cell);
 329
 330         if (column1 == 0 && column2 == columns - 1)
 331                 return;
 332
 333         for (int column = column1; column <= column2; ++column) {
 334                 delete_column(column1);
 335         }
 336         Reinit();
 337 }
 338
 339
 340 int LyXTable::GetNumberOfCells()
 341 {
 342         return numberofcells;
 343 }
 344
 345
 346 int LyXTable::NumberOfCellsInRow(int cell)
 347 {
 348         int row = row_of_cell(cell);
 349         int result = 0;
 350         for (int i = 0; i < columns; ++i) {
 351                 if (cell_info[row][i].multicolumn != LyXTable::CELL_PART_OF_MULTICOLUMN)
 352                         ++result;
 353         }
 354         return result;
 355 }
 356
 357
 358 int LyXTable::AppendCellAfterCell(int append_cell, int question_cell)
 359 {
 360         return (right_column_of_cell(append_cell) ==
 361                 right_column_of_cell(question_cell));
 362 }
 363
 364
 365 int LyXTable::DeleteCellIfColumnIsDeleted(int cell, int delete_column_cell)
 366 {
 367     if (column_of_cell(delete_column_cell) == 0 &&
 368         right_column_of_cell(delete_column_cell) == columns - 1)
 369         return 0;
 370     else
 371         return
 372             (column_of_cell(cell) >= column_of_cell(delete_column_cell) &&
 373              column_of_cell(cell) <= right_column_of_cell(delete_column_cell));
 374 }
 375
 376
 377 /* returns 1 if there is a topline, returns 0 if not */
 378 bool LyXTable::TopLine(int cell)
 379 {
 380     int row = row_of_cell(cell);
 381
 382     if (IsContRow(cell))
 383         return TopLine(cell_info[row-1][column_of_cell(cell)].cellno);
 384     if (IsMultiColumn(cell))
 385         return cellinfo_of_cell(cell)->top_line;
 386     return row_info[row].top_line;
 387 }
 388
 389
 390 bool LyXTable::BottomLine(int cell)
 391 {
 392     //no bottom line underneath non-existent cells if you please
 393     if(cell >= numberofcells)
 394         return false;
 395
 396     int row = row_of_cell(cell);
 397
 398     if (RowHasContRow(cell))
 399         return BottomLine(cell_info[row+1][column_of_cell(cell)].cellno);
 400     if (IsMultiColumn(cell))
 401         return cellinfo_of_cell(cell)->bottom_line;
 402     return row_info[row_of_cell(cell)].bottom_line;
 403 }
 404
 405
 406 bool LyXTable::LeftLine(int cell)
 407 {
 408         return column_info[column_of_cell(cell)].left_line;
 409 }
 410
 411
 412 bool LyXTable::RightLine(int cell)
 413 {
 414         return column_info[right_column_of_cell(cell)].right_line;
 415 }
 416
 417
 418 bool LyXTable::TopAlreadyDrawed(int cell)
 419 {
 420         if (AdditionalHeight(cell))
 421                 return false;
 422         int row = row_of_cell(cell);
 423         if (row > 0){
 424                 int column = column_of_cell(cell);
 425                 while (column
 426                        && cell_info[row-1][column].multicolumn
 427                        == LyXTable::CELL_PART_OF_MULTICOLUMN)
 428                         --column;
 429                 if (cell_info[row-1][column].multicolumn
 430                     == LyXTable::CELL_NORMAL)
 431                         return row_info[row-1].bottom_line;
 432                 else
 433                         return cell_info[row-1][column].bottom_line;
 434         }
 435         return false;
 436 }
 437
 438
 439 bool LyXTable::VeryLastRow(int cell)
 440 {
 441         return (row_of_cell(cell) == rows - 1);
 442 }
 443
 444
 445 int LyXTable::AdditionalHeight(int cell)
 446 {
 447         int row = row_of_cell(cell);
 448         if (!row) return 0;
 449
 450         int top = 1; // bool top = true; ??
 451         int bottom = 1; // bool bottom = true; ??
 452         int column;
 453
 454         for (column = 0; column < columns - 1 && bottom; ++column) {
 455                 switch (cell_info[row - 1][column].multicolumn) {
 456                 case LyXTable::CELL_BEGIN_OF_MULTICOLUMN:
 457                         bottom = cell_info[row - 1][column].bottom_line;
 458                         break;
 459                 case LyXTable::CELL_NORMAL:
 460                         bottom = row_info[row - 1].bottom_line;
 461                 }
 462         }
 463         for (column = 0; column < columns - 1 && top; ++column) {
 464                 switch (cell_info[row][column].multicolumn){
 465                 case LyXTable::CELL_BEGIN_OF_MULTICOLUMN:
 466                         top = cell_info[row][column].top_line;
 467                         break;
 468                 case LyXTable::CELL_NORMAL:
 469                         top = row_info[row].top_line;
 470                 }
 471         }
 472         if (top && bottom)
 473                 return WIDTH_OF_LINE;
 474         return 0;
 475 }
 476
 477
 478 int LyXTable::AdditionalWidth(int cell)
 479 {
 480         // internally already set in SetWidthOfCell
 481         // used to get it back in text.C
 482         int col = right_column_of_cell(cell);
 483         if (col < columns - 1 && column_info[col].right_line &&
 484             column_info[col+1].left_line)
 485                 return WIDTH_OF_LINE;
 486         else
 487                 return 0;
 488 }
 489
 490
 491 // returns the maximum over all rows
 492 int LyXTable::WidthOfColumn(int cell)
 493 {
 494         int column1 = column_of_cell(cell);
 495         int column2 = right_column_of_cell(cell);
 496         int result = 0;
 497         int i = column1;
 498         for (; i <= column2; ++i) {
 499                 result += column_info[i].width_of_column;
 500         }
 501         return result;
 502 }
 503
 504
 505 int LyXTable::WidthOfTable()
 506 {
 507         return width_of_table;
 508 }
 509
 510 /* returns 1 if a complete update is necessary, otherwise 0 */
 511 bool LyXTable::SetWidthOfMulticolCell(int cell, int new_width)
 512 {
 513     if (!IsMultiColumn(cell))
 514         return false;
 515
 516     int row = row_of_cell(cell);
 517     int column1 = column_of_cell(cell);
 518     int column2 = right_column_of_cell(cell);
 519
 520     // first set columns to 0 so we can calculate the right width
 521     int i = column1;
 522     for (; i <= column2; ++i) {
 523         cell_info[row][i].width_of_cell = 0;
 524     }
 525     // set the width to MAX_WIDTH until width > 0
 526     int width = (new_width + 2 * WIDTH_OF_LINE);
 527     for (i = column1; (i < column2) && (width > 0); ++i) {
 528         cell_info[row][i].width_of_cell = column_info[i].width_of_column;
 529         width -= column_info[i].width_of_column;
 530     }
 531     if (i == column2) {
 532         cell_info[row][i].width_of_cell = width;
 533     }
 534     return true;
 535 }
 536
 537
 538 void LyXTable::recalculateMulticolCells(int cell, int new_width)
 539 {
 540         int row = row_of_cell(cell);
 541         int column1 = column_of_cell(cell);
 542         int column2 = right_column_of_cell(cell);
 543
 544     // first set columns to 0 so we can calculate the right width
 545         int i = column1;
 546     for (; i <= column2; ++i)
 547         cell_info[row][i].width_of_cell = 0;
 548     for(i = cell + 1; (i < numberofcells) && (!IsMultiColumn(i)); ++i)
 549         ;
 550     if (i < numberofcells)
 551         recalculateMulticolCells(i, GetWidthOfCell(i) - (2 * WIDTH_OF_LINE));
 552     SetWidthOfMulticolCell(cell, new_width);
 553 }
 554
 555
 556 /* returns 1 if a complete update is necessary, otherwise 0 */
 557 bool LyXTable::SetWidthOfCell(int cell, int new_width)
 558 {
 559     int row = row_of_cell(cell);
 560     int column1 = column_of_cell(cell);
 561     int tmp = 0;
 562     int width = 0;
 563
 564     if (IsMultiColumn(cell)) {
 565         tmp = SetWidthOfMulticolCell(cell, new_width);
 566     } else {
 567         width = (new_width + 2*WIDTH_OF_LINE);
 568         cell_info[row][column1].width_of_cell = width;
 569         if (column_info[column1].right_line && (column1 < columns-1) &&
 570             column_info[column1+1].left_line) // additional width
 571             cell_info[row][column1].width_of_cell += WIDTH_OF_LINE;
 572         tmp = calculate_width_of_column_NMC(column1);
 573     }
 574     if (tmp) {
 575         int i;
 576         for(i = 0; i<columns;++i)
 577             calculate_width_of_column_NMC(i);
 578         for(i = 0; (i<numberofcells) && !IsMultiColumn(i); ++i)
 579             ;
 580         if (i<numberofcells)
 581             recalculateMulticolCells(i, GetWidthOfCell(i)-(2*WIDTH_OF_LINE));
 582         for(i = 0; i<columns;++i)
 583             calculate_width_of_column(i);
 584         calculate_width_of_table();
 585         return true;
 586     }
 587     return false;
 588 }
 589
 590
 591 bool LyXTable::SetAlignment(int cell, char align)
 592 {
 593     if (!IsMultiColumn(cell))
 594         column_info[column_of_cell(cell)].alignment = align;
 595     cellinfo_of_cell(cell)->alignment = align;
 596     return true;
 597 }
 598
 599 bool LyXTable::SetPWidth(int cell, string width)
 600 {
 601     int fvcell = FirstVirtualCell(cell);
 602
 603     if (IsMultiColumn(fvcell)) {
 604 //        if (column_info[column_of_cell(cell)].p_width.empty())
 605 //            column_info[column_of_cell(cell)].p_width = width;
 606         cellinfo_of_cell(fvcell)->p_width = width;
 607     } else {
 608         column_info[column_of_cell(fvcell)].p_width = width;
 609         if (!width.empty()) // do this only if there is a width
 610                 SetAlignment(cell, LYX_ALIGN_LEFT);
 611     }
 612     return true;
 613 }
 614
 615 bool LyXTable::SetAlignSpecial(int cell, string special, int what)
 616 {
 617     if (what == SET_SPECIAL_MULTI)
 618         cellinfo_of_cell(cell)->align_special = special;
 619     else
 620         column_info[column_of_cell(cell)].align_special = special;
 621     return true;
 622 }
 623
 624 bool LyXTable::SetAllLines(int cell, bool line)
 625 {
 626     SetTopLine(cell, line);
 627     SetBottomLine(cell, line);
 628     SetRightLine(cell, line);
 629     SetLeftLine(cell, line);
 630     return true;
 631 }
 632
 633 bool LyXTable::SetTopLine(int cell, bool line)
 634 {
 635     int row = row_of_cell(cell);
 636
 637     if (IsContRow(cell))
 638         SetTopLine(cell_info[row-1][column_of_cell(cell)].cellno, line);
 639     else if (!IsMultiColumn(cell))
 640         row_info[row].top_line = line;
 641     else
 642         cellinfo_of_cell(cell)->top_line = line;
 643     return true;
 644 }
 645
 646
 647 bool LyXTable::SetBottomLine(int cell, bool line)
 648 {
 649     int row = row_of_cell(cell);
 650
 651     if (RowHasContRow(cell))
 652         SetBottomLine(cell_info[row+1][column_of_cell(cell)].cellno, line);
 653     else if (!IsMultiColumn(cell))
 654         row_info[row_of_cell(cell)].bottom_line = line;
 655     else
 656         cellinfo_of_cell(cell)->bottom_line = line;
 657     return true;
 658 }
 659
 660
 661 bool LyXTable::SetLeftLine(int cell, bool line)
 662 {
 663         column_info[column_of_cell(cell)].left_line = line;
 664         return true;
 665 }
 666
 667
 668 bool LyXTable::SetRightLine(int cell, bool line)
 669 {
 670         column_info[right_column_of_cell(cell)].right_line = line;
 671         return true;
 672 }
 673
 674
 675 char LyXTable::GetAlignment(int cell)
 676 {
 677         if (IsMultiColumn(cell))
 678                 return cellinfo_of_cell(cell)->alignment;
 679         else
 680                 return column_info[column_of_cell(cell)].alignment;
 681 }
 682
 683 string LyXTable::GetPWidth(int cell)
 684 {
 685         int fvcell = FirstVirtualCell(cell);
 686
 687         if (IsMultiColumn(fvcell)) // && !cellinfo_of_cell(cell)->p_width.empty())
 688                 return cellinfo_of_cell(fvcell)->p_width;
 689         return column_info[column_of_cell(fvcell)].p_width;
 690 }
 691
 692 string LyXTable::GetAlignSpecial(int cell, int what)
 693 {
 694     if (what == SET_SPECIAL_MULTI)
 695         return cellinfo_of_cell(cell)->align_special;
 696     return column_info[column_of_cell(cell)].align_special;
 697 }
 698
 699 int LyXTable::GetWidthOfCell(int cell)
 700 {
 701         int row = row_of_cell(cell);
 702         int column1 = column_of_cell(cell);
 703         int column2 = right_column_of_cell(cell);
 704         int result = 0;
 705         int i = column1;
 706         for (; i <= column2; ++i) {
 707                 result += cell_info[row][i].width_of_cell;
 708         }
 709
 710         result += AdditionalWidth(cell);
 711
 712         return result;
 713 }
 714
 715
 716 int LyXTable::GetBeginningOfTextInCell(int cell)
 717 {
 718         int x = 0;
 719
 720         switch (GetAlignment(cell)){
 721         case LYX_ALIGN_CENTER:
 722                 x += (WidthOfColumn(cell) - GetWidthOfCell(cell)) / 2;
 723                 break;
 724         case LYX_ALIGN_RIGHT:
 725                 x += WidthOfColumn(cell) - GetWidthOfCell(cell) + AdditionalWidth(cell);
 726                 break;
 727         default: /* LYX_ALIGN_LEFT: nothing :-) */
 728                 break;
 729         }
 730
 731         // the LaTeX Way :-(
 732         x += WIDTH_OF_LINE;
 733         return x;
 734 }
 735
 736
 737 bool LyXTable::IsFirstCell(int cell)
 738 {
 739         return (column_of_cell(cell) == 0);
 740 }
 741
 742 bool LyXTable::IsLastCell(int cell)
 743 {
 744         return (right_column_of_cell(cell) == (columns - 1));
 745 }
 746
 747
 748 bool LyXTable::calculate_width_of_column(int column)
 749 {
 750         int old_column_width = column_info[column].width_of_column;
 751         int maximum = 0;
 752
 753         for (int i = 0; i < rows; ++i) {
 754                 maximum = max(cell_info[i][column].width_of_cell, maximum);
 755         }
 756         column_info[column].width_of_column = maximum;
 757         return (column_info[column].width_of_column != old_column_width);
 758 }
 759
 760 bool LyXTable::calculate_width_of_column_NMC(int column)
 761 {
 762     int old_column_width = column_info[column].width_of_column;
 763     int max = 0;
 764     for (int i = 0; i < rows; ++i) {
 765         if (!IsMultiColumn(GetCellNumber(column, i)) &&
 766             (cell_info[i][column].width_of_cell > max)) {
 767             max = cell_info[i][column].width_of_cell;
 768         }
 769     }
 770     column_info[column].width_of_column = max;
 771     return (column_info[column].width_of_column != old_column_width);
 772 }
 773
 774 void LyXTable::calculate_width_of_table()
 775 {
 776         width_of_table = 0;
 777         for (int i = 0; i < columns; ++i) {
 778                 width_of_table += column_info[i].width_of_column;
 779         }
 780 }
 781
 782
 783 int LyXTable::row_of_cell(int cell)
 784 {
 785     if (cell >= numberofcells)
 786         return rows-1;
 787     else if (cell < 0)
 788         return 0;
 789     return rowofcell[cell];
 790 }
 791
 792
 793 int LyXTable::column_of_cell(int cell)
 794 {
 795     if (cell >= numberofcells)
 796         return columns-1;
 797     else if (cell < 0)
 798         return 0;
 799     return columnofcell[cell];
 800 }
 801
 802
 803 int LyXTable::right_column_of_cell(int cell)
 804 {
 805         int row = row_of_cell(cell);
 806         int column = column_of_cell(cell);
 807         while (column < columns - 1 &&
 808                cell_info[row][column+1].multicolumn == LyXTable::CELL_PART_OF_MULTICOLUMN)
 809                 ++column;
 810         return column;
 811 }
 812
 813
 814 void LyXTable::Write(ostream & os)
 815 {
 816     int i, j;
 817     os << "multicol5\n"
 818        << rows << " " << columns << " " << is_long_table << " "
 819        << rotate << " " << endhead << " " << endfirsthead << " "
 820        << endfoot << " " << endlastfoot << "\n";
 821     for (i = 0; i < rows; ++i) {
 822             os << row_info[i].top_line << " "
 823                << row_info[i].bottom_line << " "
 824                << row_info[i].is_cont_row << " "
 825                << row_info[i].newpage << "\n";
 826     }
 827     for (i = 0; i < columns; ++i) {
 828             os << column_info[i].alignment << " "
 829                << column_info[i].left_line << " "
 830                << column_info[i].right_line << " \""
 831                << VSpace(column_info[i].p_width).asLyXCommand() << "\" \""
 832                << column_info[i].align_special << "\"\n";
 833     }
 834
 835     for (i = 0; i < rows; ++i) {
 836         for (j = 0; j < columns; ++j) {
 837                 os << cell_info[i][j].multicolumn << " "
 838                    << cell_info[i][j].alignment << " "
 839                    << cell_info[i][j].top_line << " "
 840                    << cell_info[i][j].bottom_line << " "
 841                    << cell_info[i][j].has_cont_row << " "
 842                    << cell_info[i][j].rotate << " "
 843                    << cell_info[i][j].linebreaks << " \""
 844                    << cell_info[i][j].align_special << "\" \""
 845                    << cell_info[i][j].p_width << "\"\n";
 846         }
 847     }
 848 }
 849
 850
 851 void LyXTable::Read(istream & is)
 852 {
 853         int version;
 854         int i, j;
 855         int rows_arg = 0;
 856         int columns_arg = 0;
 857         int is_long_table_arg = false;
 858         int rotate_arg = false;
 859         int a = -1;
 860         int b = -1;
 861         int c = -1;
 862         int d = -1;
 863         int e = 0;
 864         int f = 0;
 865         int g = 0;
 866         int h = 0;
 867
 868         string s;
 869         getline(is, s);
 870         if (s.length() > 8)
 871                 version = atoi(s.c_str() + 8);
 872         else
 873                 version = 1;
 874 #ifdef WITH_WARNINGS
 875 #warning Insert a error message window here that this format is not supported anymore
 876 #endif
 877         if (version < 5) {
 878                 lyxerr << "Tabular format < 5 is not supported anymore\n"
 879                         "Get an older version of LyX (< 1.1.x) for conversion!"
 880                        << endl;
 881                 if (version > 2) {
 882                         is >> rows_arg >> columns_arg >> is_long_table_arg
 883                            >> rotate_arg >> a >> b >> c >> d;
 884                 } else
 885                         is >> rows_arg >> columns_arg;
 886                 Init(rows_arg, columns_arg);
 887                 SetLongTable(is_long_table_arg);
 888                 SetRotateTable(rotate_arg);
 889                 string tmp;
 890                 for (i = 0; i < rows; ++i) {
 891                         getline(is, tmp);
 892                 }
 893                 for (i = 0; i < columns; ++i) {
 894                         getline(is, tmp);
 895                 }
 896                 for (i = 0; i < rows; ++i) {
 897                         for (j = 0; j < columns; ++j) {
 898                                 getline(is, tmp);
 899                         }
 900                 }
 901                 set_row_column_number_info();
 902                 return;
 903         }
 904         is >> rows_arg >> columns_arg >> is_long_table_arg
 905            >> rotate_arg >> a >> b >> c >> d;
 906         Init(rows_arg, columns_arg);
 907         SetLongTable(is_long_table_arg);
 908         SetRotateTable(rotate_arg);
 909         endhead = a;
 910         endfirsthead = b;
 911         endfoot = c;
 912         endlastfoot = d;
 913         for (i = 0; i < rows; ++i) {
 914                 a = b = c = d = e = f = g = h = 0;
 915                 is >> a >> b >> c >> d;
 916                 row_info[i].top_line = a;
 917                 row_info[i].bottom_line = b;
 918                 row_info[i].is_cont_row = c;
 919                 row_info[i].newpage = d;
 920         }
 921         for (i = 0; i < columns; ++i) {
 922                 string s1;
 923                 string s2;
 924                 is >> a >> b >> c;
 925                 char ch; // skip '"'
 926                 is >> ch;
 927                 getline(is, s1, '"');
 928                 is >> ch; // skip '"'
 929                 getline(is, s2, '"');
 930                 column_info[i].alignment = static_cast<char>(a);
 931                 column_info[i].left_line = b;
 932                 column_info[i].right_line = c;
 933                 column_info[i].p_width = s1;
 934                 column_info[i].align_special = s2;
 935         }
 936         for (i = 0; i < rows; ++i) {
 937                 for (j = 0; j < columns; ++j) {
 938                         string s1;
 939                         string s2;
 940                         is >> a >> b >> c >> d >> e >> f >> g;
 941                         char ch;
 942                         is >> ch; // skip '"'
 943                         getline(is, s1, '"');
 944                         is >> ch; // skip '"'
 945                         getline(is, s2, '"');
 946                         cell_info[i][j].multicolumn = static_cast<char>(a);
 947                         cell_info[i][j].alignment = static_cast<char>(b);
 948                         cell_info[i][j].top_line = static_cast<char>(c);
 949                         cell_info[i][j].bottom_line = static_cast<char>(d);
 950                         cell_info[i][j].has_cont_row = static_cast<bool>(e);
 951                         cell_info[i][j].rotate = static_cast<bool>(f);
 952                         cell_info[i][j].linebreaks = static_cast<bool>(g);
 953                         cell_info[i][j].align_special = s1;
 954                         cell_info[i][j].p_width = s2;
 955                 }
 956         }
 957         set_row_column_number_info();
 958 }
 959
 960
 961 // cell <0 will tex the preamble
 962 // returns the number of printed newlines
 963 int LyXTable::TexEndOfCell(ostream & os, int cell)
 964 {
 965     int i;
 966     int ret = 0;
 967     int tmp; // tmp2;
 968     int fcell, nvcell;
 969     if (ShouldBeVeryLastCell(cell)) {
 970         // the very end at the very beginning
 971         if (Linebreaks(cell))
 972                 os << "\\smallskip{}}";
 973         if (IsMultiColumn(cell))
 974                 os << '}';
 975         if (RotateCell(cell)) {
 976                 os << "\n\\end{sideways}";
 977             ++ret;
 978         }
 979         os << "\\\\\n";
 980         ++ret;
 981
 982         tmp = 0;
 983         fcell = cell;
 984         while (!IsFirstCell(fcell)) --fcell;
 985         for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
 986             if (BottomLine(fcell + i))
 987                 ++tmp;
 988         }
 989         if (tmp == NumberOfCellsInRow(fcell)) {
 990                 os << "\\hline ";
 991         } else {
 992             tmp = 0;
 993             for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
 994                 if (BottomLine(fcell + i)) {
 995                         os << "\\cline{"
 996                            << column_of_cell(fcell + i) + 1
 997                            << '-'
 998                            << right_column_of_cell(fcell + i) + 1
 999                            << "} ";
1000                     tmp = 1;
1001                 }
1002             }
1003         }
1004         if (tmp){
1005                 os << '\n';
1006             ++ret;
1007         }
1008         if (is_long_table)
1009                 os << "\\end{longtable}";
1010         else
1011                 os << "\\end{tabular}";
1012         if (rotate) {
1013                 os << "\n\\end{sideways}";
1014             ++ret;
1015         }
1016     } else {
1017         nvcell = NextVirtualCell(cell + 1);
1018         if (cell < 0){
1019             // preamble
1020             if (rotate) {
1021                     os << "\\begin{sideways}\n";
1022                 ++ret;
1023             }
1024             if (is_long_table)
1025                     os << "\\begin{longtable}{";
1026             else
1027                     os << "\\begin{tabular}{";
1028             for (i = 0; i < columns; ++i) {
1029                 if (column_info[i].left_line)
1030                         os << '|';
1031                 if (!column_info[i].align_special.empty()) {
1032                         os << column_info[i].align_special;
1033                 } else if (!column_info[i].p_width.empty()) {
1034                         os << "p{"
1035                            << column_info[i].p_width
1036                            << '}';
1037                 } else {
1038                     switch (column_info[i].alignment) {
1039                       case LYX_ALIGN_LEFT:
1040                               os << 'l';
1041                           break;
1042                       case LYX_ALIGN_RIGHT:
1043                               os << 'r';
1044                           break;
1045                       default:
1046                               os << 'c';
1047                           break;
1048                     }
1049                 }
1050                 if (column_info[i].right_line)
1051                         os << '|';
1052             }
1053             os << "}\n";
1054             ++ret;
1055             tmp = 0;
1056             if (GetNumberOfCells()) {
1057                 fcell = 0;
1058                 for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1059                     if (TopLine(fcell + i))
1060                         ++tmp;
1061                 }
1062                 if (tmp == NumberOfCellsInRow(fcell)){
1063                         os << "\\hline ";
1064                 } else {
1065                     tmp = 0;
1066                     for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1067                         if (TopLine(fcell + i)) {
1068                                 os << "\\cline{"
1069                                    << column_of_cell(fcell + i) + 1
1070                                    << '-'
1071                                    << right_column_of_cell(fcell + i) + 1
1072                                    << "} ";
1073                                 tmp = 1;
1074                         }
1075                     }
1076                 }
1077                 if (tmp){
1078                         os << '\n';
1079                     ++ret;
1080                 }
1081             }
1082             if (RotateCell(0)) {
1083                     os << "\\begin{sideways}\n";
1084                 ++ret;
1085             }
1086         } else {
1087             // usual cells
1088             if (Linebreaks(cell))
1089                     os << "\\smallskip{}}";
1090             if (IsMultiColumn(cell)){
1091                     os << '}';
1092             }
1093             if (RotateCell(cell)) {
1094                     os << "\n\\end{sideways}";
1095                 ++ret;
1096             }
1097             if (IsLastCell(cell)) {
1098                 int row = row_of_cell(cell);
1099                 string hline1, hline2;
1100                 bool print_hline = true;
1101                 bool flag1 = IsLongTable() &&
1102                     ((row == endhead) || (row == endfirsthead) ||
1103                      (row == endfoot) || (row == endlastfoot));
1104                 ++row;
1105                 bool flag2 = IsLongTable() &&
1106                     ((row <= endhead) || (row <= endfirsthead) ||
1107                      (row <= endfoot) || (row <= endlastfoot));
1108                 --row;
1109                 // print the bottom hline only if (otherwise it is doubled):
1110                 // - is no LongTable
1111                 // - there IS a first-header
1112                 // - the next row is no special header/footer
1113                 //   & this row is no special header/footer
1114                 // - the next row is a special header/footer
1115                 //   & this row is a special header/footer
1116                 bool pr_top_hline = (flag1 && flag2) || (!flag1 && !flag2) ||
1117                     (endfirsthead == endhead);
1118                 os << "\\\\\n";
1119                 ++ret;
1120                 tmp = 0;
1121                 fcell = cell;
1122                 while (!IsFirstCell(fcell))
1123                     --fcell;
1124                 for (i = 0; i < NumberOfCellsInRow(cell); ++i) {
1125                     if (BottomLine(fcell + i))
1126                         ++tmp;
1127                 }
1128                 if (tmp == NumberOfCellsInRow(cell)){
1129                         os << "\\hline ";
1130                     hline1 = "\\hline ";
1131                 } else {
1132                     tmp = 0;
1133                     for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1134                         if (BottomLine(fcell + i)){
1135                                 os << "\\cline{"
1136                                    << column_of_cell(fcell + i) + 1
1137                                    << '-'
1138                                    << right_column_of_cell(fcell + i) + 1
1139                                    << "} ";
1140                             hline1 += "\\cline{";
1141                             hline1 += tostr(column_of_cell(fcell + i) + 1);
1142                             hline1 += '-';
1143                             hline1 += tostr(right_column_of_cell(fcell + i) + 1);
1144                             hline1 += "} ";
1145                             tmp = 1;
1146                         }
1147                     }
1148                 }
1149                 if (tmp){
1150                         os << '\n';
1151                     ++ret;
1152                 }
1153                 if (IsLongTable() && (row == endfoot)) {
1154                         os << "\\endfoot\n";
1155                     ++ret;
1156                     print_hline = false; // no double line below footer
1157                 }
1158                 if (IsLongTable() && (row == endlastfoot)) {
1159                         os << "\\endlastfoot\n";
1160                     ++ret;
1161                     print_hline = false; // no double line below footer
1162                 }
1163                 if (IsLongTable() && row_info[row].newpage) {
1164                         os << "\\newpage\n";
1165                     ++ret;
1166                     print_hline = false; // no line below a \\newpage-command
1167                 }
1168                 tmp = 0;
1169                 if (nvcell < numberofcells
1170                     && (cell < GetNumberOfCells() - 1)
1171                     && !ShouldBeVeryLastCell(cell)) {
1172                     fcell = nvcell;
1173                     for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1174                         if (TopLine(fcell + i))
1175                             ++tmp;
1176                     }
1177                     if (tmp == NumberOfCellsInRow(fcell)) {
1178                         if (print_hline)
1179                                 os << "\\hline ";
1180                         hline2 = "\\hline ";
1181                     } else {
1182                         tmp = 0;
1183                         for (i = 0; i < NumberOfCellsInRow(fcell); ++i) {
1184                             if (TopLine(fcell + i)) {
1185                                 if (print_hline) {
1186                                         os << "\\cline{"
1187                                            << column_of_cell(fcell + i) + 1
1188                                            << '-'
1189                                            << right_column_of_cell(fcell + i) + 1
1190                                            << "} ";
1191                                 }
1192                                 hline2 += "\\cline{";
1193                                 hline2 += tostr(column_of_cell(fcell+i)+1);
1194                                 hline2 += '-';
1195                                 hline2 += tostr(right_column_of_cell(fcell+i)+1);
1196                                 hline2 += "} ";
1197                                 tmp = 1;
1198                             }
1199                         }
1200                     }
1201                     if (tmp && print_hline){
1202                             os << '\n';
1203                         ++ret;
1204                     }
1205                 }
1206                 // the order here is important as if one defines two
1207                 // or more things in one line only the first entry is
1208                 // displayed the other are set to an empty-row. This
1209                 // is important if I have a footer and want that the
1210                 // lastfooter is NOT displayed!!!
1211                 bool sflag2 = (row == endhead) || (row == endfirsthead) ||
1212                     (row == endfoot) || (row == endlastfoot);
1213                 --row;
1214 //                sflag2 = IsLongTable() && (row >= 0) &&
1215 //                    (sflag2 || (row == endhead) || (row == endfirsthead));
1216                 row += 2;
1217                 bool sflag1 = IsLongTable() && (row != endhead) &&
1218                     (row != endfirsthead) &&
1219                     ((row == endfoot) || (row == endlastfoot));
1220                 --row;
1221                 if (IsLongTable() && (row == endhead)) {
1222                         os << "\\endhead\n";
1223                     ++ret;
1224                 }
1225                 if (IsLongTable() && (row == endfirsthead)) {
1226                         os << "\\endfirsthead\n";
1227                     ++ret;
1228                 }
1229                 if (sflag1) { // add the \hline for next foot row
1230                     if (!hline1.empty()) {
1231                             os << hline1 + '\n';
1232                         ++ret;
1233                     }
1234                 }
1235                 // add the \hline for the first row
1236                 if (pr_top_hline && sflag2) {
1237                     if (!hline2.empty()) {
1238                             os << hline2 + '\n';
1239                         ++ret;
1240                     }
1241                 }
1242                 if (nvcell < numberofcells && RotateCell(nvcell)) {
1243                         os << "\\begin{sideways}\n";
1244                     ++ret;
1245                 }
1246             } else {
1247                     os << "&\n";
1248                 ++ret;
1249                 if (nvcell < numberofcells && RotateCell(nvcell)) {
1250                         os << "\\begin{sideways}\n";
1251                     ++ret;
1252                 }
1253             }
1254         }
1255         if (nvcell < numberofcells && IsMultiColumn(nvcell)) {
1256                 os << "\\multicolumn{"
1257                    << cells_in_multicolumn(nvcell)
1258                    << "}{";
1259             if (!cellinfo_of_cell(cell+1)->align_special.empty()) {
1260                     os << cellinfo_of_cell(cell+1)->align_special
1261                        << "}{";
1262             } else {
1263                 if (LeftLine(nvcell))
1264                         os << '|';
1265                 if (!GetPWidth(nvcell).empty()) {
1266                         os << "p{"
1267                            << GetPWidth(nvcell)
1268                            << '}';
1269                 } else {
1270                     switch (GetAlignment(nvcell)) {
1271                     case LYX_ALIGN_LEFT: os << 'l'; break;
1272                     case LYX_ALIGN_RIGHT: os << 'r'; break;
1273                     default:  os << 'c'; break;
1274                     }
1275                 }
1276                 if (RightLine(nvcell))
1277                         os << '|';
1278                 //if (column_of_cell(cell+2)!= 0 && LeftLine(cell+2))
1279                 if (((nvcell + 1) < numberofcells) &&
1280                     (NextVirtualCell(nvcell+1) < numberofcells) &&
1281                     (column_of_cell(NextVirtualCell(nvcell+1))!= 0) &&
1282                     LeftLine(NextVirtualCell(nvcell+1)))
1283                         os << '|';
1284
1285                 os << "}{";
1286             }
1287         }
1288         if (nvcell < numberofcells && Linebreaks(nvcell)) {
1289 //            !column_info[column_of_cell(nvcell)].p_width.empty()) {
1290                 os << "\\parbox{"
1291                    << GetPWidth(nvcell)
1292                    << "}{\\smallskip{}";
1293         }
1294     }
1295     return ret;
1296 }
1297
1298
1299 #if 0
1300 // cell <0 will tex the preamble
1301 // returns the number of printed newlines
1302 int LyXTable::RoffEndOfCell(ostream & os, int cell)
1303 {
1304     int ret = 0;
1305
1306     if (cell == GetNumberOfCells() - 1){
1307         // the very end at the very beginning
1308         if (CellHasContRow(cell) >= 0) {
1309                 os << "\nT}";
1310             ++ret;
1311         }
1312         os << "\n";
1313         ++ret;
1314         if (row_info[row_of_cell(cell)].bottom_line) {
1315                 os << "_\n";
1316             ++ret;
1317         }
1318         os << ".TE\n.pl 1c";
1319     } else {
1320         if (cell < 0) {
1321             int fcell = 0;
1322             // preamble
1323             os << "\n.pl 500c\n.TS\n";
1324             for (int j = 0; j < rows; ++j) {
1325                 for (int i = 0; i < columns; ++i, ++fcell) {
1326                     if (column_info[i].left_line)
1327                             os << " | ";
1328                     if (cell_info[j][i].multicolumn == CELL_PART_OF_MULTICOLUMN)
1329                             os << "s";
1330                     else {
1331                         switch (column_info[i].alignment) {
1332                           case LYX_ALIGN_LEFT:
1333                                   os << "l";
1334                               break;
1335                           case LYX_ALIGN_RIGHT:
1336                                   os << "r";
1337                               break;
1338                           default:
1339                                   os << "c";
1340                               break;
1341                         }
1342                     }
1343                     if (!column_info[i].p_width.empty())
1344                             os << "w(" << column_info[i].p_width << ")";
1345                     if (column_info[i].right_line)
1346                             os << " | ";
1347                 }
1348                 if ((j + 1) < rows) {
1349                         os << "\n";
1350                     ++ret;
1351                 }
1352             }
1353             os << ".\n";
1354             ++ret;
1355             if (row_info[0].top_line) {
1356                     os << "_\n";
1357                 ++ret;
1358             }
1359             if (CellHasContRow(0) >= 0) {
1360                     os << "T{\n";
1361                 ++ret;
1362             }
1363         } else {
1364             // usual cells
1365             if (CellHasContRow(cell) >= 0) {
1366                     os << "\nT}";
1367                 ++ret;
1368             }
1369             if (right_column_of_cell(cell) == columns -1){
1370                     os << "\n";
1371                 ++ret;
1372                 int row = row_of_cell(cell);
1373                 if (row_info[row++].bottom_line) {
1374                         os << "_\n";
1375                     ++ret;
1376                 }
1377                 if ((row < rows) && row_info[row].top_line) {
1378                         os << "_\n";
1379                     ++ret;
1380                 }
1381             } else
1382                     os << "\t";
1383             if ((cell < GetNumberOfCells() - 1) &&
1384                 (CellHasContRow(cell+1) >= 0)) {
1385                     os << "T{\n";
1386                 ++ret;
1387             }
1388         }
1389     }
1390     return ret;
1391 }
1392 #endif
1393
1394
1395 char const *LyXTable::getDocBookAlign(int cell, bool isColumn)
1396 {
1397     int i;
1398     if (isColumn)
1399        i = cell;
1400     else
1401        i = column_of_cell(cell);
1402     if (!isColumn && IsMultiColumn(cell)) {
1403        if (!cellinfo_of_cell(cell)->align_special.empty()) {
1404            return cellinfo_of_cell(cell)->align_special.c_str();
1405        } else {
1406            switch (GetAlignment(cell)) {
1407            case LYX_ALIGN_LEFT:
1408                return "left";
1409            case LYX_ALIGN_RIGHT:
1410                return "right";
1411            default:
1412                return "center";
1413            }
1414        }
1415     } else {
1416        if (!column_info[i].align_special.empty()) {
1417            return column_info[i].align_special.c_str();
1418        }
1419 #ifdef IGNORE_THIS_FOR_NOW
1420        else if (!column_info[i].p_width.empty()) {
1421            file += "p{";
1422            file += column_info[i].p_width;
1423            file += '}';
1424        }
1425 #endif
1426        else {
1427            switch (column_info[i].alignment) {
1428            case LYX_ALIGN_LEFT:
1429                return "left";
1430            case LYX_ALIGN_RIGHT:
1431                return "right";
1432            default:
1433                return "center";
1434            }
1435        }
1436     }
1437 }
1438
1439
1440 // cell <0 will tex the preamble
1441 // returns the number of printed newlines
1442 int LyXTable::DocBookEndOfCell(ostream & os, int cell, int & depth)
1443 {
1444     int i;
1445     int ret = 0;
1446     //int tmp; // tmp2; // unused
1447     int nvcell; // fcell; // unused
1448     if (ShouldBeVeryLastCell(cell)) {
1449             os << newlineAndDepth(--depth)
1450                << "</ENTRY>"
1451                << newlineAndDepth(--depth)
1452                << "</ROW>"
1453                << newlineAndDepth(--depth)
1454                << "</TBODY>"
1455                << newlineAndDepth(--depth);
1456         if (is_long_table)
1457                 os << "</TGROUP>";
1458         else
1459                 os << "</TGROUP>"
1460                    << newlineAndDepth(--depth);
1461         ret += 4;
1462     } else {
1463         nvcell = NextVirtualCell(cell + 1);
1464         if (cell < 0) {
1465             // preamble
1466             if (is_long_table)
1467                     os << "<TGROUP ";
1468             else
1469                     os << "<TGROUP ";
1470             os << "COLS='"
1471                << columns
1472                << "' COLSEP='1' ROWSEP='1'>"
1473                << newlineAndDepth(++depth);
1474             ++ret;
1475             for (i = 0; i < columns; ++i) {
1476                     os << "<COLSPEC ALIGN='"
1477                        << getDocBookAlign(i, true)
1478                        << "' COLNAME='col"
1479                        << i + 1
1480                        << "' COLNUM='"
1481                        << i + 1
1482                        << "' COLSEP='";
1483                if (i == (columns-1)) {
1484                        os << '1';
1485                } else {
1486                    if (column_info[i].right_line ||
1487                        column_info[i+1].left_line)
1488                            os << '1';
1489                    else
1490                            os << '0';
1491                }
1492                os << "'>"
1493                   << newlineAndDepth(depth);
1494                 ++ret;
1495 #ifdef NOT_HANDLED_YET_AS_I_DONT_KNOW_HOW
1496                 if (column_info[i].left_line)
1497                         os << '|';
1498 #endif
1499             }
1500             os << "<TBODY>"
1501                << newlineAndDepth(++depth)
1502                << "<ROW>"
1503                << newlineAndDepth(++depth)
1504                << "<ENTRY ALIGN='"
1505                << getDocBookAlign(0)
1506                << "'";
1507            if (IsMultiColumn(0)) {
1508                    os << " NAMEST='col1' NAMEEND='col"
1509                       << cells_in_multicolumn(0)
1510                       << "'";
1511            }
1512            os << ">"
1513               << newlineAndDepth(++depth);
1514             ret += 3;
1515         } else {
1516             if (IsLastCell(cell)) {
1517                     os << newlineAndDepth(--depth)
1518                        << "</ENTRY>"
1519                        << newlineAndDepth(--depth)
1520                        << "</ROW>"
1521                        << newlineAndDepth(depth)
1522                        << "<ROW>"
1523                        << newlineAndDepth(++depth)
1524                        << "<ENTRY ALIGN='"
1525                        << getDocBookAlign(cell + 1)
1526                        << "' VALIGN='middle'";
1527                if (IsMultiColumn(cell + 1)) {
1528                        os << " NAMEST='col"
1529                           << column_of_cell(cell+1) + 1
1530                           << "' NAMEEND='col"
1531                           << column_of_cell(cell + 1) +
1532                                cells_in_multicolumn(cell + 1)
1533                           << "'";
1534                }
1535                os << ">"
1536                   << newlineAndDepth(++depth);
1537                 ret += 4;
1538             } else {
1539                     os << newlineAndDepth(--depth)
1540                        << "</ENTRY>"
1541                        << newlineAndDepth(depth)
1542                        << "<ENTRY ALIGN='"
1543                        << getDocBookAlign(cell + 1)
1544                        << "' VALIGN='middle'";
1545                if (IsMultiColumn(cell + 1)) {
1546                        os << " NAMEST='col"
1547                           << column_of_cell(cell+1) + 1
1548                           << "' NAMEEND='col"
1549                           << column_of_cell(cell+1) +
1550                                cells_in_multicolumn(cell+1)
1551                           << "'";
1552                }
1553                os << ">"
1554                   << newlineAndDepth(++depth);
1555                 ret += 3;
1556             }
1557         }
1558     }
1559     return ret;
1560 }
1561
1562
1563 bool LyXTable::IsMultiColumn(int cell)
1564 {
1565     int fvcell = FirstVirtualCell(cell);
1566
1567     return (cellinfo_of_cell(fvcell)->multicolumn != LyXTable::CELL_NORMAL);
1568 }
1569
1570
1571 LyXTable::cellstruct* LyXTable::cellinfo_of_cell(int cell)
1572 {
1573     int row = row_of_cell(cell);
1574     int column = column_of_cell(cell);
1575     return  &cell_info[row][column];
1576 }
1577
1578
1579 void LyXTable::SetMultiColumn(int cell, int number)
1580 {
1581     int fvcell = FirstVirtualCell(cell);
1582     int new_width = cellinfo_of_cell(fvcell)->width_of_cell;
1583
1584     cellinfo_of_cell(fvcell)->multicolumn = LyXTable::CELL_BEGIN_OF_MULTICOLUMN;
1585     cellinfo_of_cell(fvcell)->alignment = column_info[column_of_cell(fvcell)].alignment;
1586     cellinfo_of_cell(fvcell)->top_line = row_info[row_of_cell(fvcell)].top_line;
1587     cellinfo_of_cell(fvcell)->bottom_line = row_info[row_of_cell(fvcell)].bottom_line;
1588     for (number--; number > 0; --number) {
1589         cellinfo_of_cell(fvcell+number)->multicolumn =
1590             LyXTable::CELL_PART_OF_MULTICOLUMN;
1591         new_width += cellinfo_of_cell(fvcell+number)->width_of_cell;
1592     }
1593     set_row_column_number_info();
1594     SetWidthOfCell(fvcell, new_width);
1595 }
1596
1597
1598 int LyXTable::cells_in_multicolumn(int cell)
1599 {
1600     int row = row_of_cell(cell);
1601     int column = column_of_cell(cell);
1602     int result = 1;
1603     ++column;
1604     while (column < columns && cell_info[row][column].multicolumn
1605            == LyXTable::CELL_PART_OF_MULTICOLUMN){
1606         ++result;
1607         ++column;
1608     }
1609     return result;
1610 }
1611
1612
1613 int  LyXTable::UnsetMultiColumn(int cell)
1614 {
1615     int fvcell = FirstVirtualCell(cell);
1616     int row = row_of_cell(fvcell);
1617     int column = column_of_cell(fvcell);
1618
1619     int result = 0;
1620
1621     if (cell_info[row][column].multicolumn
1622         == LyXTable::CELL_BEGIN_OF_MULTICOLUMN){
1623         cell_info[row][column].multicolumn = LyXTable::CELL_NORMAL;
1624         ++column;
1625         while (column < columns &&
1626                cell_info[row][column].multicolumn
1627                == LyXTable::CELL_PART_OF_MULTICOLUMN){
1628             cell_info[row][column].multicolumn =
1629                 LyXTable::CELL_NORMAL;
1630             ++column;
1631             ++result;
1632         }
1633     }
1634     set_row_column_number_info();
1635     return result;
1636 }
1637
1638
1639 void LyXTable::delete_column(int column)
1640 {
1641     int i, j;
1642     columnstruct * column_info2 = new columnstruct[columns-1];
1643
1644     for (i = 0; i < column; ++i) {
1645         column_info2[i] = column_info[i];
1646     }
1647     for (i = column; i < columns - 1; ++i) {
1648         column_info2[i] = column_info[i + 1];
1649     }
1650
1651     delete[] column_info;
1652     column_info = column_info2;
1653
1654     for (i = 0; i < rows; ++i) {
1655         cellstruct * tmp = cell_info[i];
1656         cell_info[i] = new cellstruct[columns - 1];
1657         for (j = 0; j < column; ++j) {
1658             cell_info[i][j] = tmp[j];
1659         }
1660         for (j = column; j < columns - 1; ++j) {
1661             cell_info[i][j] = tmp[j + 1];
1662         }
1663         delete[] tmp;
1664     }
1665
1666     --columns;
1667     Reinit();
1668 }
1669
1670
1671 void LyXTable::SetLongTable(int what)
1672 {
1673     is_long_table = what;
1674 }
1675
1676
1677 bool LyXTable::IsLongTable()
1678 {
1679     return is_long_table;
1680 }
1681
1682 void LyXTable::SetRotateTable(int what)
1683 {
1684     rotate = what;
1685 }
1686
1687 bool LyXTable::RotateTable()
1688 {
1689     return rotate;
1690 }
1691
1692 void LyXTable::SetRotateCell(int cell, int what)
1693 {
1694     cellinfo_of_cell(cell)->rotate = what;
1695 }
1696
1697 bool LyXTable::RotateCell(int cell)
1698 {
1699     return cellinfo_of_cell(cell)->rotate;
1700 }
1701
1702 bool LyXTable::NeedRotating()
1703 {
1704     if (rotate)
1705         return true;
1706     for (int i = 0; i < rows; ++i) {
1707         for (int j = 0; j < columns; ++j) {
1708             if (cell_info[i][j].rotate)
1709                 return true;
1710         }
1711     }
1712     return false;
1713 }
1714
1715 void LyXTable::AppendContRow(int cell)
1716 {
1717     int row = row_of_cell(cell)+1;
1718
1719     if (!RowHasContRow(cell) || (CellHasContRow(cell)>= 0))
1720         AppendRow(cell);
1721     row_info[row].is_cont_row = true;
1722     row_info[row].top_line = false;
1723     cell_info[row-1][column_of_cell(cell)].has_cont_row = true;
1724     Reinit();
1725 }
1726
1727 bool LyXTable::IsContRow(int cell)
1728 {
1729     return row_info[row_of_cell(cell)].is_cont_row;
1730 }
1731
1732 int LyXTable::CellHasContRow(int cell)
1733 {
1734     int row = row_of_cell(cell);
1735
1736     if (VeryLastRow(cell))
1737         return -1;
1738     if (cell_info[row][column_of_cell(cell)].has_cont_row)
1739         return cell_info[row+1][column_of_cell(cell)].cellno;
1740     return -1;
1741 }
1742
1743 bool LyXTable::RowHasContRow(int cell)
1744 {
1745     int row = row_of_cell(cell) + 1;
1746
1747     if (row < rows)
1748         return row_info[row].is_cont_row;
1749     return false;
1750 }
1751
1752 int LyXTable::FirstVirtualCell(int cell)
1753 {
1754     if (!IsContRow(cell))
1755         return cell;
1756     int row = row_of_cell(cell);
1757     int column = column_of_cell(cell);
1758     for(; (row > 0) && IsContRow(cell_info[row][column].cellno); --row)
1759         ;
1760     return cell_info[row][column].cellno;
1761 }
1762
1763
1764 int LyXTable::NextVirtualCell(int cell)
1765 {
1766     if (!IsContRow(cell))
1767         return cell;
1768     int row = row_of_cell(cell);
1769     for(;(row < rows - 1) && IsContRow(cell_info[row][0].cellno); ++row)
1770         ;
1771     // what if(row >= rows) ?
1772     return cell_info[row][0].cellno;
1773 }
1774
1775
1776 bool LyXTable::ShouldBeVeryLastCell(int cell)
1777 // "very last cell" ..of what? the row? the table?
1778 // "Cell" in this context appears to not count `virtual' cells
1779 {
1780     int fcell = cell + 1;
1781
1782     if (cell == GetNumberOfCells() - 1)
1783         return true; // not really sure if I should return false here
1784     if (!IsContRow(fcell))
1785         return false;
1786     while((fcell < GetNumberOfCells() - 1) && IsContRow(fcell))
1787         ++fcell;
1788     if (fcell < GetNumberOfCells() - 1)
1789         return false;
1790     return true;
1791 }
1792
1793 bool LyXTable::ShouldBeVeryLastRow(int cell)
1794 {
1795     if (CellHasContRow(cell)>= 0)
1796         return false;
1797     int row = row_of_cell(cell) + 1;
1798     int column = column_of_cell(cell);
1799     while((row < rows) && IsContRow(cell_info[row][column].cellno))
1800         ++row;
1801     if (row < rows)
1802         return false; // found another valid row
1803     // I do not have any valid row after the actual
1804     return true;
1805 }
1806
1807 int LyXTable::GetCellAbove(int cell)
1808 {
1809     int row = row_of_cell(cell);
1810
1811     if (row > 0)
1812         return cell_info[row-1][column_of_cell(cell)].cellno;
1813     return cell;
1814 }
1815
1816 int LyXTable::GetCellNumber(int column, int row)
1817 {
1818     if (column >= columns)
1819         column = columns - 1;
1820     else if (column < 0)
1821         column = 0;
1822     if (row >= rows)
1823         row = rows - 1;
1824     else if (row < 0)
1825         row = 0;
1826
1827     return cell_info[row][column].cellno;
1828 }
1829
1830 void LyXTable::SetLinebreaks(int cell, bool what)
1831 {
1832     cellinfo_of_cell(FirstVirtualCell(cell))->linebreaks = what;
1833 }
1834
1835 bool LyXTable::Linebreaks(int cell)
1836 {
1837     int fvcell = FirstVirtualCell(cell);
1838
1839     if (column_info[column_of_cell(fvcell)].p_width.empty() &&
1840         !(IsMultiColumn(fvcell) && !cellinfo_of_cell(fvcell)->p_width.empty()))
1841         return false;
1842     return cellinfo_of_cell(fvcell)->linebreaks;
1843 }
1844
1845 void LyXTable::SetLTHead(int cell, bool first)
1846 {
1847     int row = row_of_cell(cell);
1848
1849     if (first) {
1850         if (row == endfirsthead)
1851             endfirsthead = -1;
1852         else
1853             endfirsthead = row;
1854     } else {
1855         if (row == endhead)
1856             endhead = -1;
1857         else
1858             endhead = row;
1859     }
1860 }
1861
1862 bool LyXTable::RowOfLTHead(int cell)
1863 {
1864     if ((endhead+1) > rows)
1865         endhead = -1;
1866     return (row_of_cell(cell) == endhead);
1867 }
1868
1869 bool LyXTable::RowOfLTFirstHead(int cell)
1870 {
1871     if ((endfirsthead+1) > rows)
1872         endfirsthead = -1;
1873     return (row_of_cell(cell) == endfirsthead);
1874 }
1875
1876 void LyXTable::SetLTFoot(int cell, bool last)
1877 {
1878     int row = row_of_cell(cell);
1879
1880     if (last) {
1881         if (row == endlastfoot)
1882             endlastfoot = -1;
1883         else
1884             endlastfoot = row;
1885     } else {
1886         if (row == endfoot)
1887             endfoot = -1;
1888         else
1889             endfoot = row;
1890     }
1891 }
1892
1893 bool LyXTable::RowOfLTFoot(int cell)
1894 {
1895     if ((endfoot+1) > rows) {
1896         endfoot = -1;
1897         return false;
1898     }
1899     return (row_of_cell(cell) == endfoot);
1900 }
1901
1902 bool LyXTable::RowOfLTLastFoot(int cell)
1903 {
1904     if ((endlastfoot+1) > rows)
1905         endlastfoot = -1;
1906     return (row_of_cell(cell) == endlastfoot);
1907 }
1908
1909 void LyXTable::SetLTNewPage(int cell, bool what)
1910 {
1911     row_info[row_of_cell(cell)].newpage = what;
1912 }
1913
1914 bool LyXTable::LTNewPage(int cell)
1915 {
1916     return row_info[row_of_cell(cell)].newpage;
1917 }