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<?php
/**
* @package dompdf
* @link http://dompdf.github.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Dompdf\Renderer;
use Dompdf\Frame;
use Dompdf\FrameDecorator\Table;
/**
* Renders table cells
*
* @package dompdf
*/
class TableCell extends Block
{
//........................................................................
function render(Frame $frame)
{
$style = $frame->get_style();
if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") {
return;
}
$this->_set_opacity($frame->get_opacity($style->opacity));
list($x, $y, $w, $h) = $frame->get_border_box();
// Draw our background, border and content
if (($bg = $style->background_color) !== "transparent") {
$this->_canvas->filled_rectangle($x, $y, $w, $h, $bg);
}
if (($url = $style->background_image) && $url !== "none") {
$this->_background_image($url, $x, $y, $w, $h, $style);
}
$table = Table::find_parent_table($frame);
if ($table->get_style()->border_collapse !== "collapse") {
$this->_render_border($frame);
$this->_render_outline($frame);
return;
}
// The collapsed case is slightly complicated...
// @todo Add support for outlines here
$cellmap = $table->get_cellmap();
$cells = $cellmap->get_spanned_cells($frame);
$num_rows = $cellmap->get_num_rows();
$num_cols = $cellmap->get_num_cols();
// Determine the top row spanned by this cell
$i = $cells["rows"][0];
$top_row = $cellmap->get_row($i);
// Determine if this cell borders on the bottom of the table. If so,
// then we draw its bottom border. Otherwise the next row down will
// draw its top border instead.
if (in_array($num_rows - 1, $cells["rows"])) {
$draw_bottom = true;
$bottom_row = $cellmap->get_row($num_rows - 1);
} else
$draw_bottom = false;
// Draw the horizontal borders
foreach ($cells["columns"] as $j) {
$bp = $cellmap->get_border_properties($i, $j);
$y = $top_row["y"] - $bp["top"]["width"] / 2;
$col = $cellmap->get_column($j);
$x = $col["x"] - $bp["left"]["width"] / 2;
$w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2;
if ($bp["top"]["style"] !== "none" && $bp["top"]["width"] > 0) {
$widths = array($bp["top"]["width"],
$bp["right"]["width"],
$bp["bottom"]["width"],
$bp["left"]["width"]);
$method = "_border_" . $bp["top"]["style"];
$this->$method($x, $y, $w, $bp["top"]["color"], $widths, "top", "square");
}
if ($draw_bottom) {
$bp = $cellmap->get_border_properties($num_rows - 1, $j);
if ($bp["bottom"]["style"] === "none" || $bp["bottom"]["width"] <= 0)
continue;
$y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2;
$widths = array($bp["top"]["width"],
$bp["right"]["width"],
$bp["bottom"]["width"],
$bp["left"]["width"]);
$method = "_border_" . $bp["bottom"]["style"];
$this->$method($x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square");
}
}
$j = $cells["columns"][0];
$left_col = $cellmap->get_column($j);
if (in_array($num_cols - 1, $cells["columns"])) {
$draw_right = true;
$right_col = $cellmap->get_column($num_cols - 1);
} else
$draw_right = false;
// Draw the vertical borders
foreach ($cells["rows"] as $i) {
$bp = $cellmap->get_border_properties($i, $j);
$x = $left_col["x"] - $bp["left"]["width"] / 2;
$row = $cellmap->get_row($i);
$y = $row["y"] - $bp["top"]["width"] / 2;
$h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2;
if ($bp["left"]["style"] !== "none" && $bp["left"]["width"] > 0) {
$widths = array($bp["top"]["width"],
$bp["right"]["width"],
$bp["bottom"]["width"],
$bp["left"]["width"]);
$method = "_border_" . $bp["left"]["style"];
$this->$method($x, $y, $h, $bp["left"]["color"], $widths, "left", "square");
}
if ($draw_right) {
$bp = $cellmap->get_border_properties($i, $num_cols - 1);
if ($bp["right"]["style"] === "none" || $bp["right"]["width"] <= 0)
continue;
$x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2;
$widths = array($bp["top"]["width"],
$bp["right"]["width"],
$bp["bottom"]["width"],
$bp["left"]["width"]);
$method = "_border_" . $bp["right"]["style"];
$this->$method($x, $y, $h, $bp["right"]["color"], $widths, "right", "square");
}
}
}
}
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