| 1 |
<?php |
| 2 |
/** |
| 3 |
* @package dompdf |
| 4 |
* @link https://github.com/dompdf/dompdf |
| 5 |
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License |
| 6 |
*/ |
| 7 |
namespace Dompdf; |
| 8 |
|
| 9 |
use Dompdf\FrameDecorator\AbstractFrameDecorator; |
| 10 |
use Dompdf\FrameDecorator\Table as TableFrameDecorator; |
| 11 |
use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator; |
| 12 |
|
| 13 |
/** |
| 14 |
* Maps table cells to the table grid. |
| 15 |
* |
| 16 |
* This class resolves borders in tables with collapsed borders and helps |
| 17 |
* place row & column spanned table cells. |
| 18 |
* |
| 19 |
* @package dompdf |
| 20 |
*/ |
| 21 |
class Cellmap |
| 22 |
{ |
| 23 |
/** |
| 24 |
* Border style weight lookup for collapsed border resolution. |
| 25 |
*/ |
| 26 |
protected const BORDER_STYLE_SCORE = [ |
| 27 |
"double" => 8, |
| 28 |
"solid" => 7, |
| 29 |
"dashed" => 6, |
| 30 |
"dotted" => 5, |
| 31 |
"ridge" => 4, |
| 32 |
"outset" => 3, |
| 33 |
"groove" => 2, |
| 34 |
"inset" => 1, |
| 35 |
"none" => 0 |
| 36 |
]; |
| 37 |
|
| 38 |
/** |
| 39 |
* The table object this cellmap is attached to. |
| 40 |
* |
| 41 |
* @var TableFrameDecorator |
| 42 |
*/ |
| 43 |
protected $_table; |
| 44 |
|
| 45 |
/** |
| 46 |
* The total number of rows in the table |
| 47 |
* |
| 48 |
* @var int |
| 49 |
*/ |
| 50 |
protected $_num_rows; |
| 51 |
|
| 52 |
/** |
| 53 |
* The total number of columns in the table |
| 54 |
* |
| 55 |
* @var int |
| 56 |
*/ |
| 57 |
protected $_num_cols; |
| 58 |
|
| 59 |
/** |
| 60 |
* 2D array mapping <row,column> to frames |
| 61 |
* |
| 62 |
* @var Frame[][] |
| 63 |
*/ |
| 64 |
protected $_cells; |
| 65 |
|
| 66 |
/** |
| 67 |
* 1D array of column dimensions |
| 68 |
* |
| 69 |
* @var array |
| 70 |
*/ |
| 71 |
protected $_columns; |
| 72 |
|
| 73 |
/** |
| 74 |
* 1D array of row dimensions |
| 75 |
* |
| 76 |
* @var array |
| 77 |
*/ |
| 78 |
protected $_rows; |
| 79 |
|
| 80 |
/** |
| 81 |
* 2D array of border specs |
| 82 |
* |
| 83 |
* @var array |
| 84 |
*/ |
| 85 |
protected $_borders; |
| 86 |
|
| 87 |
/** |
| 88 |
* 1D Array mapping frames to (multiple) <row, col> pairs, keyed on frame_id. |
| 89 |
* |
| 90 |
* @var array[] |
| 91 |
*/ |
| 92 |
protected $_frames; |
| 93 |
|
| 94 |
/** |
| 95 |
* Current column when adding cells, 0-based |
| 96 |
* |
| 97 |
* @var int |
| 98 |
*/ |
| 99 |
private $__col; |
| 100 |
|
| 101 |
/** |
| 102 |
* Current row when adding cells, 0-based |
| 103 |
* |
| 104 |
* @var int |
| 105 |
*/ |
| 106 |
private $__row; |
| 107 |
|
| 108 |
/** |
| 109 |
* Tells whether the columns' width can be modified |
| 110 |
* |
| 111 |
* @var bool |
| 112 |
*/ |
| 113 |
private $_columns_locked = false; |
| 114 |
|
| 115 |
/** |
| 116 |
* Tells whether the table has table-layout:fixed |
| 117 |
* |
| 118 |
* @var bool |
| 119 |
*/ |
| 120 |
private $_fixed_layout = false; |
| 121 |
|
| 122 |
/** |
| 123 |
* @param TableFrameDecorator $table |
| 124 |
*/ |
| 125 |
public function __construct(TableFrameDecorator $table) |
| 126 |
{ |
| 127 |
$this->_table = $table; |
| 128 |
$this->reset(); |
| 129 |
} |
| 130 |
|
| 131 |
public function reset(): void |
| 132 |
{ |
| 133 |
$this->_num_rows = 0; |
| 134 |
$this->_num_cols = 0; |
| 135 |
|
| 136 |
$this->_cells = []; |
| 137 |
$this->_frames = []; |
| 138 |
|
| 139 |
if (!$this->_columns_locked) { |
| 140 |
$this->_columns = []; |
| 141 |
} |
| 142 |
|
| 143 |
$this->_rows = []; |
| 144 |
|
| 145 |
$this->_borders = []; |
| 146 |
|
| 147 |
$this->__col = $this->__row = 0; |
| 148 |
} |
| 149 |
|
| 150 |
public function lock_columns(): void |
| 151 |
{ |
| 152 |
$this->_columns_locked = true; |
| 153 |
} |
| 154 |
|
| 155 |
/** |
| 156 |
* @return bool |
| 157 |
*/ |
| 158 |
public function is_columns_locked() |
| 159 |
{ |
| 160 |
return $this->_columns_locked; |
| 161 |
} |
| 162 |
|
| 163 |
/** |
| 164 |
* @param bool $fixed |
| 165 |
*/ |
| 166 |
public function set_layout_fixed(bool $fixed) |
| 167 |
{ |
| 168 |
$this->_fixed_layout = $fixed; |
| 169 |
} |
| 170 |
|
| 171 |
/** |
| 172 |
* @return bool |
| 173 |
*/ |
| 174 |
public function is_layout_fixed() |
| 175 |
{ |
| 176 |
return $this->_fixed_layout; |
| 177 |
} |
| 178 |
|
| 179 |
/** |
| 180 |
* @return int |
| 181 |
*/ |
| 182 |
public function get_num_rows() |
| 183 |
{ |
| 184 |
return $this->_num_rows; |
| 185 |
} |
| 186 |
|
| 187 |
/** |
| 188 |
* @return int |
| 189 |
*/ |
| 190 |
public function get_num_cols() |
| 191 |
{ |
| 192 |
return $this->_num_cols; |
| 193 |
} |
| 194 |
|
| 195 |
/** |
| 196 |
* @return array |
| 197 |
*/ |
| 198 |
public function &get_columns() |
| 199 |
{ |
| 200 |
return $this->_columns; |
| 201 |
} |
| 202 |
|
| 203 |
/** |
| 204 |
* @param $columns |
| 205 |
*/ |
| 206 |
public function set_columns($columns) |
| 207 |
{ |
| 208 |
$this->_columns = $columns; |
| 209 |
} |
| 210 |
|
| 211 |
/** |
| 212 |
* @param int $i |
| 213 |
* |
| 214 |
* @return mixed |
| 215 |
*/ |
| 216 |
public function &get_column($i) |
| 217 |
{ |
| 218 |
if (!isset($this->_columns[$i])) { |
| 219 |
$this->_columns[$i] = [ |
| 220 |
"x" => 0, |
| 221 |
"min-width" => 0, |
| 222 |
"max-width" => 0, |
| 223 |
"used-width" => null, |
| 224 |
"absolute" => 0, |
| 225 |
"percent" => 0, |
| 226 |
"auto" => true, |
| 227 |
]; |
| 228 |
} |
| 229 |
|
| 230 |
return $this->_columns[$i]; |
| 231 |
} |
| 232 |
|
| 233 |
/** |
| 234 |
* @return array |
| 235 |
*/ |
| 236 |
public function &get_rows() |
| 237 |
{ |
| 238 |
return $this->_rows; |
| 239 |
} |
| 240 |
|
| 241 |
/** |
| 242 |
* @param int $j |
| 243 |
* |
| 244 |
* @return mixed |
| 245 |
*/ |
| 246 |
public function &get_row($j) |
| 247 |
{ |
| 248 |
if (!isset($this->_rows[$j])) { |
| 249 |
$this->_rows[$j] = [ |
| 250 |
"y" => 0, |
| 251 |
"first-column" => 0, |
| 252 |
"height" => null, |
| 253 |
]; |
| 254 |
} |
| 255 |
|
| 256 |
return $this->_rows[$j]; |
| 257 |
} |
| 258 |
|
| 259 |
/** |
| 260 |
* @param int $i |
| 261 |
* @param int $j |
| 262 |
* @param mixed $h_v |
| 263 |
* @param null|mixed $prop |
| 264 |
* |
| 265 |
* @return mixed |
| 266 |
*/ |
| 267 |
public function get_border($i, $j, $h_v, $prop = null) |
| 268 |
{ |
| 269 |
if (!isset($this->_borders[$i][$j][$h_v])) { |
| 270 |
$this->_borders[$i][$j][$h_v] = [ |
| 271 |
"width" => 0, |
| 272 |
"style" => "solid", |
| 273 |
"color" => "black", |
| 274 |
]; |
| 275 |
} |
| 276 |
|
| 277 |
if (isset($prop)) { |
| 278 |
return $this->_borders[$i][$j][$h_v][$prop]; |
| 279 |
} |
| 280 |
|
| 281 |
return $this->_borders[$i][$j][$h_v]; |
| 282 |
} |
| 283 |
|
| 284 |
/** |
| 285 |
* @param int $i |
| 286 |
* @param int $j |
| 287 |
* |
| 288 |
* @return array |
| 289 |
*/ |
| 290 |
public function get_border_properties($i, $j) |
| 291 |
{ |
| 292 |
return [ |
| 293 |
"top" => $this->get_border($i, $j, "horizontal"), |
| 294 |
"right" => $this->get_border($i, $j + 1, "vertical"), |
| 295 |
"bottom" => $this->get_border($i + 1, $j, "horizontal"), |
| 296 |
"left" => $this->get_border($i, $j, "vertical"), |
| 297 |
]; |
| 298 |
} |
| 299 |
|
| 300 |
/** |
| 301 |
* @param Frame $frame |
| 302 |
* |
| 303 |
* @return array|null |
| 304 |
*/ |
| 305 |
public function get_spanned_cells(Frame $frame) |
| 306 |
{ |
| 307 |
$key = $frame->get_id(); |
| 308 |
|
| 309 |
if (isset($this->_frames[$key])) { |
| 310 |
return $this->_frames[$key]; |
| 311 |
} |
| 312 |
|
| 313 |
return null; |
| 314 |
} |
| 315 |
|
| 316 |
/** |
| 317 |
* @param Frame $frame |
| 318 |
* |
| 319 |
* @return bool |
| 320 |
*/ |
| 321 |
public function frame_exists_in_cellmap(Frame $frame) |
| 322 |
{ |
| 323 |
$key = $frame->get_id(); |
| 324 |
|
| 325 |
return isset($this->_frames[$key]); |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* @param Frame $frame |
| 330 |
* |
| 331 |
* @return array |
| 332 |
* @throws Exception |
| 333 |
*/ |
| 334 |
public function get_frame_position(Frame $frame) |
| 335 |
{ |
| 336 |
global $_dompdf_warnings; |
| 337 |
|
| 338 |
$key = $frame->get_id(); |
| 339 |
|
| 340 |
if (!isset($this->_frames[$key])) { |
| 341 |
throw new Exception("Frame not found in cellmap"); |
| 342 |
} |
| 343 |
|
| 344 |
// Positions are stored relative to the table position |
| 345 |
[$table_x, $table_y] = $this->_table->get_position(); |
| 346 |
$col = $this->_frames[$key]["columns"][0]; |
| 347 |
$row = $this->_frames[$key]["rows"][0]; |
| 348 |
|
| 349 |
if (!isset($this->_columns[$col])) { |
| 350 |
$_dompdf_warnings[] = "Frame not found in columns array. Check your table layout for missing or extra TDs."; |
| 351 |
$x = $table_x; |
| 352 |
} else { |
| 353 |
$x = $table_x + $this->_columns[$col]["x"]; |
| 354 |
} |
| 355 |
|
| 356 |
if (!isset($this->_rows[$row])) { |
| 357 |
$_dompdf_warnings[] = "Frame not found in row array. Check your table layout for missing or extra TDs."; |
| 358 |
$y = $table_y; |
| 359 |
} else { |
| 360 |
$y = $table_y + $this->_rows[$row]["y"]; |
| 361 |
} |
| 362 |
|
| 363 |
return [$x, $y, "x" => $x, "y" => $y]; |
| 364 |
} |
| 365 |
|
| 366 |
/** |
| 367 |
* @param Frame $frame |
| 368 |
* |
| 369 |
* @return int |
| 370 |
* @throws Exception |
| 371 |
*/ |
| 372 |
public function get_frame_width(Frame $frame) |
| 373 |
{ |
| 374 |
$key = $frame->get_id(); |
| 375 |
|
| 376 |
if (!isset($this->_frames[$key])) { |
| 377 |
throw new Exception("Frame not found in cellmap"); |
| 378 |
} |
| 379 |
|
| 380 |
$cols = $this->_frames[$key]["columns"]; |
| 381 |
$w = 0; |
| 382 |
foreach ($cols as $i) { |
| 383 |
$w += $this->_columns[$i]["used-width"]; |
| 384 |
} |
| 385 |
|
| 386 |
return $w; |
| 387 |
} |
| 388 |
|
| 389 |
/** |
| 390 |
* @param Frame $frame |
| 391 |
* |
| 392 |
* @return int |
| 393 |
* @throws Exception |
| 394 |
* @throws Exception |
| 395 |
*/ |
| 396 |
public function get_frame_height(Frame $frame) |
| 397 |
{ |
| 398 |
$key = $frame->get_id(); |
| 399 |
|
| 400 |
if (!isset($this->_frames[$key])) { |
| 401 |
throw new Exception("Frame not found in cellmap"); |
| 402 |
} |
| 403 |
|
| 404 |
$rows = $this->_frames[$key]["rows"]; |
| 405 |
$h = 0; |
| 406 |
foreach ($rows as $i) { |
| 407 |
if (!isset($this->_rows[$i])) { |
| 408 |
throw new Exception("The row #$i could not be found, please file an issue in the tracker with the HTML code"); |
| 409 |
} |
| 410 |
|
| 411 |
$h += $this->_rows[$i]["height"]; |
| 412 |
} |
| 413 |
|
| 414 |
return $h; |
| 415 |
} |
| 416 |
|
| 417 |
/** |
| 418 |
* @param int $j |
| 419 |
* @param mixed $width |
| 420 |
*/ |
| 421 |
public function set_column_width($j, $width) |
| 422 |
{ |
| 423 |
if ($this->_columns_locked) { |
| 424 |
return; |
| 425 |
} |
| 426 |
|
| 427 |
$col =& $this->get_column($j); |
| 428 |
$col["used-width"] = $width; |
| 429 |
$next_col =& $this->get_column($j + 1); |
| 430 |
$next_col["x"] = $col["x"] + $width; |
| 431 |
} |
| 432 |
|
| 433 |
/** |
| 434 |
* @param int $i |
| 435 |
* @param long $height |
| 436 |
*/ |
| 437 |
public function set_row_height($i, $height) |
| 438 |
{ |
| 439 |
$row =& $this->get_row($i); |
| 440 |
if ($height > $row["height"]) { |
| 441 |
$row["height"] = $height; |
| 442 |
} |
| 443 |
$next_row =& $this->get_row($i + 1); |
| 444 |
$next_row["y"] = $row["y"] + $row["height"]; |
| 445 |
} |
| 446 |
|
| 447 |
/** |
| 448 |
* https://www.w3.org/TR/CSS21/tables.html#border-conflict-resolution |
| 449 |
* |
| 450 |
* @param int $i |
| 451 |
* @param int $j |
| 452 |
* @param string $h_v `horizontal` or `vertical` |
| 453 |
* @param array $border_spec |
| 454 |
*/ |
| 455 |
protected function resolve_border(int $i, int $j, string $h_v, array $border_spec): void |
| 456 |
{ |
| 457 |
if (!isset($this->_borders[$i][$j][$h_v])) { |
| 458 |
$this->_borders[$i][$j][$h_v] = $border_spec; |
| 459 |
return; |
| 460 |
} |
| 461 |
|
| 462 |
$border = $this->_borders[$i][$j][$h_v]; |
| 463 |
|
| 464 |
$n_width = $border_spec["width"]; |
| 465 |
$n_style = $border_spec["style"]; |
| 466 |
$o_width = $border["width"]; |
| 467 |
$o_style = $border["style"]; |
| 468 |
|
| 469 |
if ($o_style === "hidden") { |
| 470 |
return; |
| 471 |
} |
| 472 |
|
| 473 |
// A style of `none` has lowest priority independent of its specified |
| 474 |
// width here, as its resolved width is always 0 |
| 475 |
if ($n_style === "hidden" || $n_width > $o_width |
| 476 |
|| ($o_width == $n_width |
| 477 |
&& isset(self::BORDER_STYLE_SCORE[$n_style]) |
| 478 |
&& isset(self::BORDER_STYLE_SCORE[$o_style]) |
| 479 |
&& self::BORDER_STYLE_SCORE[$n_style] > self::BORDER_STYLE_SCORE[$o_style]) |
| 480 |
) { |
| 481 |
$this->_borders[$i][$j][$h_v] = $border_spec; |
| 482 |
} |
| 483 |
} |
| 484 |
|
| 485 |
/** |
| 486 |
* Get the resolved border properties for the given frame. |
| 487 |
* |
| 488 |
* @param AbstractFrameDecorator $frame |
| 489 |
* |
| 490 |
* @return array[] |
| 491 |
*/ |
| 492 |
protected function get_resolved_border(AbstractFrameDecorator $frame): array |
| 493 |
{ |
| 494 |
$key = $frame->get_id(); |
| 495 |
$columns = $this->_frames[$key]["columns"]; |
| 496 |
$rows = $this->_frames[$key]["rows"]; |
| 497 |
|
| 498 |
$first_col = $columns[0]; |
| 499 |
$last_col = $columns[count($columns) - 1]; |
| 500 |
$first_row = $rows[0]; |
| 501 |
$last_row = $rows[count($rows) - 1]; |
| 502 |
|
| 503 |
$max_top = null; |
| 504 |
$max_bottom = null; |
| 505 |
$max_left = null; |
| 506 |
$max_right = null; |
| 507 |
|
| 508 |
foreach ($columns as $col) { |
| 509 |
$top = $this->_borders[$first_row][$col]["horizontal"]; |
| 510 |
$bottom = $this->_borders[$last_row + 1][$col]["horizontal"]; |
| 511 |
|
| 512 |
if ($max_top === null || $top["width"] > $max_top["width"]) { |
| 513 |
$max_top = $top; |
| 514 |
} |
| 515 |
if ($max_bottom === null || $bottom["width"] > $max_bottom["width"]) { |
| 516 |
$max_bottom = $bottom; |
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
foreach ($rows as $row) { |
| 521 |
$left = $this->_borders[$row][$first_col]["vertical"]; |
| 522 |
$right = $this->_borders[$row][$last_col + 1]["vertical"]; |
| 523 |
|
| 524 |
if ($max_left === null || $left["width"] > $max_left["width"]) { |
| 525 |
$max_left = $left; |
| 526 |
} |
| 527 |
if ($max_right === null || $right["width"] > $max_right["width"]) { |
| 528 |
$max_right = $right; |
| 529 |
} |
| 530 |
} |
| 531 |
|
| 532 |
return [$max_top, $max_right, $max_bottom, $max_left]; |
| 533 |
} |
| 534 |
|
| 535 |
/** |
| 536 |
* @param AbstractFrameDecorator $frame |
| 537 |
*/ |
| 538 |
public function add_frame(Frame $frame): void |
| 539 |
{ |
| 540 |
$style = $frame->get_style(); |
| 541 |
$display = $style->display; |
| 542 |
|
| 543 |
$collapse = $this->_table->get_style()->border_collapse === "collapse"; |
| 544 |
|
| 545 |
// Recursively add the frames within the table, its row groups and rows |
| 546 |
if ($frame === $this->_table |
| 547 |
|| $display === "table-row" |
| 548 |
|| in_array($display, TableFrameDecorator::ROW_GROUPS, true) |
| 549 |
) { |
| 550 |
$start_row = $this->__row; |
| 551 |
|
| 552 |
foreach ($frame->get_children() as $child) { |
| 553 |
$this->add_frame($child); |
| 554 |
} |
| 555 |
|
| 556 |
if ($display === "table-row") { |
| 557 |
$this->add_row(); |
| 558 |
} |
| 559 |
|
| 560 |
$num_rows = $this->__row - $start_row - 1; |
| 561 |
$key = $frame->get_id(); |
| 562 |
|
| 563 |
// Row groups always span across the entire table |
| 564 |
$this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1)); |
| 565 |
$this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1)); |
| 566 |
$this->_frames[$key]["frame"] = $frame; |
| 567 |
|
| 568 |
if ($collapse) { |
| 569 |
$bp = $style->get_border_properties(); |
| 570 |
|
| 571 |
// Resolve vertical borders |
| 572 |
for ($i = 0; $i < $num_rows + 1; $i++) { |
| 573 |
$this->resolve_border($start_row + $i, 0, "vertical", $bp["left"]); |
| 574 |
$this->resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); |
| 575 |
} |
| 576 |
|
| 577 |
// Resolve horizontal borders |
| 578 |
for ($j = 0; $j < $this->_num_cols; $j++) { |
| 579 |
$this->resolve_border($start_row, $j, "horizontal", $bp["top"]); |
| 580 |
$this->resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); |
| 581 |
} |
| 582 |
|
| 583 |
if ($frame === $this->_table) { |
| 584 |
// Clear borders because the cells are now using them. The |
| 585 |
// border width still needs to be set to half the resolved |
| 586 |
// width so that the table is positioned properly |
| 587 |
[$top, $right, $bottom, $left] = $this->get_resolved_border($frame); |
| 588 |
|
| 589 |
$style->set_used("border_top_width", $top["width"] / 2); |
| 590 |
$style->set_used("border_right_width", $right["width"] / 2); |
| 591 |
$style->set_used("border_bottom_width", $bottom["width"] / 2); |
| 592 |
$style->set_used("border_left_width", $left["width"] / 2); |
| 593 |
$style->set_used("border_style", "none"); |
| 594 |
} else { |
| 595 |
// Clear borders for rows and row groups |
| 596 |
$style->set_used("border_width", 0); |
| 597 |
$style->set_used("border_style", "none"); |
| 598 |
} |
| 599 |
} |
| 600 |
|
| 601 |
if ($frame === $this->_table) { |
| 602 |
// Apply resolved borders to table cells and calculate column |
| 603 |
// widths after all frames have been added |
| 604 |
$this->calculate_column_widths(); |
| 605 |
} |
| 606 |
return; |
| 607 |
} |
| 608 |
|
| 609 |
// Add the frame to the cellmap |
| 610 |
$key = $frame->get_id(); |
| 611 |
$node = $frame->get_node(); |
| 612 |
$bp = $style->get_border_properties(); |
| 613 |
|
| 614 |
// Determine where this cell is going |
| 615 |
$colspan = max((int) $node->getAttribute("colspan"), 1); |
| 616 |
$rowspan = max((int) $node->getAttribute("rowspan"), 1); |
| 617 |
|
| 618 |
// Find the next available column (fix by Ciro Mondueri) |
| 619 |
$ac = $this->__col; |
| 620 |
while (isset($this->_cells[$this->__row][$ac])) { |
| 621 |
$ac++; |
| 622 |
} |
| 623 |
|
| 624 |
$this->__col = $ac; |
| 625 |
|
| 626 |
// Rows: |
| 627 |
for ($i = 0; $i < $rowspan; $i++) { |
| 628 |
$row = $this->__row + $i; |
| 629 |
|
| 630 |
$this->_frames[$key]["rows"][] = $row; |
| 631 |
|
| 632 |
for ($j = 0; $j < $colspan; $j++) { |
| 633 |
$this->_cells[$row][$this->__col + $j] = $frame; |
| 634 |
} |
| 635 |
|
| 636 |
if ($collapse) { |
| 637 |
// Resolve vertical borders |
| 638 |
$this->resolve_border($row, $this->__col, "vertical", $bp["left"]); |
| 639 |
$this->resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"]); |
| 640 |
} |
| 641 |
} |
| 642 |
|
| 643 |
// Columns: |
| 644 |
for ($j = 0; $j < $colspan; $j++) { |
| 645 |
$col = $this->__col + $j; |
| 646 |
$this->_frames[$key]["columns"][] = $col; |
| 647 |
|
| 648 |
if ($collapse) { |
| 649 |
// Resolve horizontal borders |
| 650 |
$this->resolve_border($this->__row, $col, "horizontal", $bp["top"]); |
| 651 |
$this->resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"]); |
| 652 |
} |
| 653 |
} |
| 654 |
|
| 655 |
$this->_frames[$key]["frame"] = $frame; |
| 656 |
|
| 657 |
$this->__col += $colspan; |
| 658 |
if ($this->__col > $this->_num_cols) { |
| 659 |
$this->_num_cols = $this->__col; |
| 660 |
} |
| 661 |
} |
| 662 |
|
| 663 |
/** |
| 664 |
* Apply resolved borders to table cells and calculate column widths. |
| 665 |
*/ |
| 666 |
protected function calculate_column_widths(): void |
| 667 |
{ |
| 668 |
$table = $this->_table; |
| 669 |
$table_style = $table->get_style(); |
| 670 |
$collapse = $table_style->border_collapse === "collapse"; |
| 671 |
|
| 672 |
if ($collapse) { |
| 673 |
$v_spacing = 0; |
| 674 |
$h_spacing = 0; |
| 675 |
} else { |
| 676 |
// The additional 1/2 width gets added to the table proper |
| 677 |
[$h, $v] = $table_style->border_spacing; |
| 678 |
$v_spacing = $v / 2; |
| 679 |
$h_spacing = $h / 2; |
| 680 |
} |
| 681 |
|
| 682 |
foreach ($this->_frames as $frame_info) { |
| 683 |
/** @var TableCellFrameDecorator */ |
| 684 |
$frame = $frame_info["frame"]; |
| 685 |
$style = $frame->get_style(); |
| 686 |
$display = $style->display; |
| 687 |
|
| 688 |
if ($display !== "table-cell") { |
| 689 |
continue; |
| 690 |
} |
| 691 |
|
| 692 |
if ($collapse) { |
| 693 |
// Set the resolved border at half width |
| 694 |
[$top, $right, $bottom, $left] = $this->get_resolved_border($frame); |
| 695 |
|
| 696 |
$style->set_used("border_top_width", $top["width"] / 2); |
| 697 |
$style->set_used("border_top_style", $top["style"]); |
| 698 |
$style->set_used("border_top_color", $top["color"]); |
| 699 |
$style->set_used("border_right_width", $right["width"] / 2); |
| 700 |
$style->set_used("border_right_style", $right["style"]); |
| 701 |
$style->set_used("border_right_color", $right["color"]); |
| 702 |
$style->set_used("border_bottom_width", $bottom["width"] / 2); |
| 703 |
$style->set_used("border_bottom_style", $bottom["style"]); |
| 704 |
$style->set_used("border_bottom_color", $bottom["color"]); |
| 705 |
$style->set_used("border_left_width", $left["width"] / 2); |
| 706 |
$style->set_used("border_left_style", $left["style"]); |
| 707 |
$style->set_used("border_left_color", $left["color"]); |
| 708 |
$style->set_used("margin", 0); |
| 709 |
} else { |
| 710 |
// Border spacing is effectively a margin between cells |
| 711 |
$style->set_used("margin_top", $v_spacing); |
| 712 |
$style->set_used("margin_bottom", $v_spacing); |
| 713 |
$style->set_used("margin_left", $h_spacing); |
| 714 |
$style->set_used("margin_right", $h_spacing); |
| 715 |
} |
| 716 |
|
| 717 |
if ($this->_columns_locked) { |
| 718 |
continue; |
| 719 |
} |
| 720 |
|
| 721 |
$node = $frame->get_node(); |
| 722 |
$colspan = max((int) $node->getAttribute("colspan"), 1); |
| 723 |
$first_col = $frame_info["columns"][0]; |
| 724 |
|
| 725 |
// Resolve the frame's width |
| 726 |
if ($this->_fixed_layout) { |
| 727 |
list($frame_min, $frame_max) = [0, 10e-10]; |
| 728 |
} else { |
| 729 |
list($frame_min, $frame_max) = $frame->get_min_max_width(); |
| 730 |
} |
| 731 |
|
| 732 |
$width = $style->width; |
| 733 |
|
| 734 |
$val = null; |
| 735 |
if (Helpers::is_percent($width) && $colspan === 1) { |
| 736 |
$var = "percent"; |
| 737 |
$val = (float)rtrim($width, "% "); |
| 738 |
} elseif ($width !== "auto" && $colspan === 1) { |
| 739 |
$var = "absolute"; |
| 740 |
$val = $frame_min; |
| 741 |
} |
| 742 |
|
| 743 |
$min = 0; |
| 744 |
$max = 0; |
| 745 |
for ($cs = 0; $cs < $colspan; $cs++) { |
| 746 |
|
| 747 |
// Resolve the frame's width(s) with other cells |
| 748 |
$col =& $this->get_column($first_col + $cs); |
| 749 |
|
| 750 |
// Note: $var is either 'percent' or 'absolute'. We compare the |
| 751 |
// requested percentage or absolute values with the existing widths |
| 752 |
// and adjust accordingly. |
| 753 |
if (isset($var) && $val > $col[$var]) { |
| 754 |
$col[$var] = $val; |
| 755 |
$col["auto"] = false; |
| 756 |
} |
| 757 |
|
| 758 |
$min += $col["min-width"]; |
| 759 |
$max += $col["max-width"]; |
| 760 |
} |
| 761 |
|
| 762 |
if ($frame_min > $min && $colspan === 1) { |
| 763 |
// The frame needs more space. Expand each sub-column |
| 764 |
// FIXME try to avoid putting this dummy value when table-layout:fixed |
| 765 |
$inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_min - $min)); |
| 766 |
for ($c = 0; $c < $colspan; $c++) { |
| 767 |
$col =& $this->get_column($first_col + $c); |
| 768 |
$col["min-width"] += $inc; |
| 769 |
} |
| 770 |
} |
| 771 |
|
| 772 |
if ($frame_max > $max) { |
| 773 |
// FIXME try to avoid putting this dummy value when table-layout:fixed |
| 774 |
$inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_max - $max) / $colspan); |
| 775 |
for ($c = 0; $c < $colspan; $c++) { |
| 776 |
$col =& $this->get_column($first_col + $c); |
| 777 |
$col["max-width"] += $inc; |
| 778 |
} |
| 779 |
} |
| 780 |
} |
| 781 |
|
| 782 |
// Adjust absolute columns so that the absolute (and max) width is the |
| 783 |
// largest minimum width of all cells. This accounts for cells without |
| 784 |
// absolute width within an absolute column |
| 785 |
foreach ($this->_columns as &$col) { |
| 786 |
if ($col["absolute"] > 0) { |
| 787 |
$col["absolute"] = $col["min-width"]; |
| 788 |
$col["max-width"] = $col["min-width"]; |
| 789 |
} |
| 790 |
} |
| 791 |
} |
| 792 |
|
| 793 |
protected function add_row(): void |
| 794 |
{ |
| 795 |
$this->__row++; |
| 796 |
$this->_num_rows++; |
| 797 |
|
| 798 |
// Find the next available column |
| 799 |
$i = 0; |
| 800 |
while (isset($this->_cells[$this->__row][$i])) { |
| 801 |
$i++; |
| 802 |
} |
| 803 |
|
| 804 |
$this->__col = $i; |
| 805 |
} |
| 806 |
|
| 807 |
/** |
| 808 |
* Remove a row from the cellmap. |
| 809 |
* |
| 810 |
* @param Frame |
| 811 |
*/ |
| 812 |
public function remove_row(Frame $row) |
| 813 |
{ |
| 814 |
$key = $row->get_id(); |
| 815 |
if (!isset($this->_frames[$key])) { |
| 816 |
return; // Presumably this row has already been removed |
| 817 |
} |
| 818 |
|
| 819 |
$this->__row = $this->_num_rows--; |
| 820 |
|
| 821 |
$rows = $this->_frames[$key]["rows"]; |
| 822 |
$columns = $this->_frames[$key]["columns"]; |
| 823 |
|
| 824 |
// Remove all frames from this row |
| 825 |
foreach ($rows as $r) { |
| 826 |
foreach ($columns as $c) { |
| 827 |
if (isset($this->_cells[$r][$c])) { |
| 828 |
$id = $this->_cells[$r][$c]->get_id(); |
| 829 |
|
| 830 |
$this->_cells[$r][$c] = null; |
| 831 |
unset($this->_cells[$r][$c]); |
| 832 |
|
| 833 |
// has multiple rows? |
| 834 |
if (isset($this->_frames[$id]) && count($this->_frames[$id]["rows"]) > 1) { |
| 835 |
// remove just the desired row, but leave the frame |
| 836 |
if (($row_key = array_search($r, $this->_frames[$id]["rows"])) !== false) { |
| 837 |
unset($this->_frames[$id]["rows"][$row_key]); |
| 838 |
} |
| 839 |
continue; |
| 840 |
} |
| 841 |
|
| 842 |
$this->_frames[$id] = null; |
| 843 |
unset($this->_frames[$id]); |
| 844 |
} |
| 845 |
} |
| 846 |
|
| 847 |
$this->_rows[$r] = null; |
| 848 |
unset($this->_rows[$r]); |
| 849 |
} |
| 850 |
|
| 851 |
$this->_frames[$key] = null; |
| 852 |
unset($this->_frames[$key]); |
| 853 |
} |
| 854 |
|
| 855 |
/** |
| 856 |
* Remove a row group from the cellmap. |
| 857 |
* |
| 858 |
* @param Frame $group The group to remove |
| 859 |
*/ |
| 860 |
public function remove_row_group(Frame $group) |
| 861 |
{ |
| 862 |
$key = $group->get_id(); |
| 863 |
if (!isset($this->_frames[$key])) { |
| 864 |
return; // Presumably this row has already been removed |
| 865 |
} |
| 866 |
|
| 867 |
$iter = $group->get_first_child(); |
| 868 |
while ($iter) { |
| 869 |
$this->remove_row($iter); |
| 870 |
$iter = $iter->get_next_sibling(); |
| 871 |
} |
| 872 |
|
| 873 |
$this->_frames[$key] = null; |
| 874 |
unset($this->_frames[$key]); |
| 875 |
} |
| 876 |
|
| 877 |
/** |
| 878 |
* Update a row group after rows have been removed |
| 879 |
* |
| 880 |
* @param Frame $group The group to update |
| 881 |
* @param Frame $last_row The last row in the row group |
| 882 |
*/ |
| 883 |
public function update_row_group(Frame $group, Frame $last_row) |
| 884 |
{ |
| 885 |
$g_key = $group->get_id(); |
| 886 |
|
| 887 |
$first_index = $this->_frames[$g_key]["rows"][0]; |
| 888 |
$last_index = $first_index; |
| 889 |
$row = $last_row; |
| 890 |
while ($row = $row->get_prev_sibling()) { |
| 891 |
$last_index++; |
| 892 |
} |
| 893 |
|
| 894 |
$this->_frames[$g_key]["rows"] = range($first_index, $last_index); |
| 895 |
} |
| 896 |
|
| 897 |
public function assign_x_positions(): void |
| 898 |
{ |
| 899 |
// Pre-condition: widths must be resolved and assigned to columns and |
| 900 |
// column[0]["x"] must be set. |
| 901 |
|
| 902 |
if ($this->_columns_locked) { |
| 903 |
return; |
| 904 |
} |
| 905 |
|
| 906 |
$x = $this->_columns[0]["x"]; |
| 907 |
foreach (array_keys($this->_columns) as $j) { |
| 908 |
$this->_columns[$j]["x"] = $x; |
| 909 |
$x += $this->_columns[$j]["used-width"]; |
| 910 |
} |
| 911 |
} |
| 912 |
|
| 913 |
public function assign_frame_heights(): void |
| 914 |
{ |
| 915 |
// Pre-condition: widths and heights of each column & row must be |
| 916 |
// calcluated |
| 917 |
foreach ($this->_frames as $arr) { |
| 918 |
$frame = $arr["frame"]; |
| 919 |
|
| 920 |
$h = 0.0; |
| 921 |
foreach ($arr["rows"] as $row) { |
| 922 |
if (!isset($this->_rows[$row])) { |
| 923 |
// The row has been removed because of a page split, so skip it. |
| 924 |
continue; |
| 925 |
} |
| 926 |
|
| 927 |
$h += $this->_rows[$row]["height"]; |
| 928 |
} |
| 929 |
|
| 930 |
if ($frame instanceof TableCellFrameDecorator) { |
| 931 |
$frame->set_cell_height($h); |
| 932 |
} else { |
| 933 |
$frame->get_style()->set_used("height", $h); |
| 934 |
} |
| 935 |
} |
| 936 |
} |
| 937 |
|
| 938 |
/** |
| 939 |
* Re-adjust frame height if the table height is larger than its content |
| 940 |
*/ |
| 941 |
public function set_frame_heights(float $table_height, float $content_height): void |
| 942 |
{ |
| 943 |
// Distribute the increased height proportionally amongst each row |
| 944 |
foreach ($this->_frames as $arr) { |
| 945 |
$frame = $arr["frame"]; |
| 946 |
|
| 947 |
$h = 0.0; |
| 948 |
foreach ($arr["rows"] as $row) { |
| 949 |
if (!isset($this->_rows[$row])) { |
| 950 |
continue; |
| 951 |
} |
| 952 |
|
| 953 |
$h += $this->_rows[$row]["height"]; |
| 954 |
} |
| 955 |
|
| 956 |
if ($content_height > 0) { |
| 957 |
$new_height = ($h / $content_height) * $table_height; |
| 958 |
} else { |
| 959 |
$new_height = 0.0; |
| 960 |
} |
| 961 |
|
| 962 |
if ($frame instanceof TableCellFrameDecorator) { |
| 963 |
$frame->set_cell_height($new_height); |
| 964 |
} else { |
| 965 |
$frame->get_style()->set_used("height", $new_height); |
| 966 |
} |
| 967 |
} |
| 968 |
} |
| 969 |
|
| 970 |
/** |
| 971 |
* Used for debugging: |
| 972 |
* |
| 973 |
* @return string |
| 974 |
*/ |
| 975 |
public function __toString(): string |
| 976 |
{ |
| 977 |
$str = ""; |
| 978 |
$str .= "Columns:<br/>"; |
| 979 |
$str .= Helpers::pre_r($this->_columns, true); |
| 980 |
$str .= "Rows:<br/>"; |
| 981 |
$str .= Helpers::pre_r($this->_rows, true); |
| 982 |
|
| 983 |
$str .= "Frames:<br/>"; |
| 984 |
$arr = []; |
| 985 |
foreach ($this->_frames as $key => $val) { |
| 986 |
$arr[$key] = ["columns" => $val["columns"], "rows" => $val["rows"]]; |
| 987 |
} |
| 988 |
|
| 989 |
$str .= Helpers::pre_r($arr, true); |
| 990 |
|
| 991 |
if (php_sapi_name() == "cli") { |
| 992 |
$str = strip_tags(str_replace(["<br/>", "<b>", "</b>"], |
| 993 |
["\n", chr(27) . "[01;33m", chr(27) . "[0m"], |
| 994 |
$str)); |
| 995 |
} |
| 996 |
|
| 997 |
return $str; |
| 998 |
} |
| 999 |
} |
| 1000 |
|
