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<?php
/**
* @package dompdf
* @link https://github.com/dompdf/dompdf
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Dompdf\FrameReflower;
use Dompdf\Exception;
use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
use Dompdf\FrameDecorator\Table as TableFrameDecorator;
use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator;
use Dompdf\Helpers;
/**
* Reflows table cells
*
* @package dompdf
*/
class TableCell extends Block
{
/**
* TableCell constructor.
* @param BlockFrameDecorator $frame
*/
function __construct(BlockFrameDecorator $frame)
{
parent::__construct($frame);
}
/**
* @param BlockFrameDecorator|null $block
*/
function reflow(?BlockFrameDecorator $block = null)
{
/** @var TableCellFrameDecorator */
$frame = $this->_frame;
$table = TableFrameDecorator::find_parent_table($frame);
if ($table === null) {
throw new Exception("Parent table not found for table cell");
}
// Counters and generated content
$this->_set_content();
$style = $frame->get_style();
$cellmap = $table->get_cellmap();
[$x, $y] = $cellmap->get_frame_position($frame);
$frame->set_position($x, $y);
$cells = $cellmap->get_spanned_cells($frame);
$w = 0;
foreach ($cells["columns"] as $i) {
$col = $cellmap->get_column($i);
$w += $col["used-width"];
}
//FIXME?
$h = $frame->get_containing_block("h");
$left_space = (float)$style->length_in_pt([$style->margin_left,
$style->padding_left,
$style->border_left_width],
$w);
$right_space = (float)$style->length_in_pt([$style->padding_right,
$style->margin_right,
$style->border_right_width],
$w);
$top_space = (float)$style->length_in_pt([$style->margin_top,
$style->padding_top,
$style->border_top_width],
$h);
$bottom_space = (float)$style->length_in_pt([$style->margin_bottom,
$style->padding_bottom,
$style->border_bottom_width],
$h);
$cb_w = $w - $left_space - $right_space;
$style->set_used("width", $cb_w);
$content_x = $x + $left_space;
$content_y = $line_y = $y + $top_space;
// Adjust the first line based on the text-indent property
$indent = (float)$style->length_in_pt($style->text_indent, $w);
$frame->increase_line_width($indent);
$page = $frame->get_root();
// Set the y position of the first line in the cell
$line_box = $frame->get_current_line_box();
$line_box->y = $line_y;
// Set the containing blocks and reflow each child
foreach ($frame->get_children() as $child) {
$child->set_containing_block($content_x, $content_y, $cb_w, $h);
$this->process_clear($child);
$child->reflow($frame);
$this->process_float($child, $content_x, $cb_w);
if ($page->is_full()) {
break;
}
}
// Determine our height
$style_height = (float) $style->length_in_pt($style->height, $h);
$content_height = $this->_calculate_content_height();
$height = max($style_height, $content_height);
$frame->set_content_height($content_height);
// Let the cellmap know our height
$cell_height = $height / count($cells["rows"]);
if ($style_height <= $height) {
$cell_height += $top_space + $bottom_space;
}
foreach ($cells["rows"] as $i) {
$cellmap->set_row_height($i, $cell_height);
}
$style->set_used("height", $height);
$this->_text_align();
$this->vertical_align();
// Handle relative positioning
foreach ($frame->get_children() as $child) {
$this->position_relative($child);
}
}
public function get_min_max_content_width(): array
{
// Ignore percentage values for a specified width here, as they are
// relative to the table width, which is not determined yet
$style = $this->_frame->get_style();
$width = $style->width;
$fixed_width = $width !== "auto" && !Helpers::is_percent($width);
[$min, $max] = $this->get_min_max_child_width();
// For table cells: Use specified width if it is greater than the
// minimum defined by the content
if ($fixed_width) {
$width = (float) $style->length_in_pt($width, 0);
$min = max($width, $min);
$max = $min;
}
// Handle min/max width style properties
$min_width = $this->resolve_min_width(null);
$max_width = $this->resolve_max_width(null);
$min = Helpers::clamp($min, $min_width, $max_width);
$max = Helpers::clamp($max, $min_width, $max_width);
return [$min, $max];
}
}