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Direktori : /proc/thread-self/root/home2/selectio/public_html/tnpsctestbatch.com/src/ |
Current File : //proc/thread-self/root/home2/selectio/public_html/tnpsctestbatch.com/src/Cellmap.php |
<?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; use Dompdf\FrameDecorator\Table as TableFrameDecorator; use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator; /** * Maps table cells to the table grid. * * This class resolves borders in tables with collapsed borders and helps * place row & column spanned table cells. * * @package dompdf */ class Cellmap { /** * Border style weight lookup for collapsed border resolution. * * @var array */ protected static $_BORDER_STYLE_SCORE = [ "inset" => 1, "groove" => 2, "outset" => 3, "ridge" => 4, "dotted" => 5, "dashed" => 6, "solid" => 7, "double" => 8, "hidden" => 9, "none" => 0, ]; /** * The table object this cellmap is attached to. * * @var TableFrameDecorator */ protected $_table; /** * The total number of rows in the table * * @var int */ protected $_num_rows; /** * The total number of columns in the table * * @var int */ protected $_num_cols; /** * 2D array mapping <row,column> to frames * * @var Frame[][] */ protected $_cells; /** * 1D array of column dimensions * * @var array */ protected $_columns; /** * 1D array of row dimensions * * @var array */ protected $_rows; /** * 2D array of border specs * * @var array */ protected $_borders; /** * 1D Array mapping frames to (multiple) <row, col> pairs, keyed on frame_id. * * @var Frame[] */ protected $_frames; /** * Current column when adding cells, 0-based * * @var int */ private $__col; /** * Current row when adding cells, 0-based * * @var int */ private $__row; /** * Tells whether the columns' width can be modified * * @var bool */ private $_columns_locked = false; /** * Tells whether the table has table-layout:fixed * * @var bool */ private $_fixed_layout = false; /** * @param TableFrameDecorator $table */ public function __construct(TableFrameDecorator $table) { $this->_table = $table; $this->reset(); } /** * */ public function reset() { $this->_num_rows = 0; $this->_num_cols = 0; $this->_cells = []; $this->_frames = []; if (!$this->_columns_locked) { $this->_columns = []; } $this->_rows = []; $this->_borders = []; $this->__col = $this->__row = 0; } /** * */ public function lock_columns() { $this->_columns_locked = true; } /** * @return bool */ public function is_columns_locked() { return $this->_columns_locked; } /** * @param $fixed */ public function set_layout_fixed($fixed) { $this->_fixed_layout = $fixed; } /** * @return bool */ public function is_layout_fixed() { return $this->_fixed_layout; } /** * @return int */ public function get_num_rows() { return $this->_num_rows; } /** * @return int */ public function get_num_cols() { return $this->_num_cols; } /** * @return array */ public function &get_columns() { return $this->_columns; } /** * @param $columns */ public function set_columns($columns) { $this->_columns = $columns; } /** * @param int $i * * @return mixed */ public function &get_column($i) { if (!isset($this->_columns[$i])) { $this->_columns[$i] = [ "x" => 0, "min-width" => 0, "max-width" => 0, "used-width" => null, "absolute" => 0, "percent" => 0, "auto" => true, ]; } return $this->_columns[$i]; } /** * @return array */ public function &get_rows() { return $this->_rows; } /** * @param int $j * * @return mixed */ public function &get_row($j) { if (!isset($this->_rows[$j])) { $this->_rows[$j] = [ "y" => 0, "first-column" => 0, "height" => null, ]; } return $this->_rows[$j]; } /** * @param int $i * @param int $j * @param mixed $h_v * @param null|mixed $prop * * @return mixed */ public function get_border($i, $j, $h_v, $prop = null) { if (!isset($this->_borders[$i][$j][$h_v])) { $this->_borders[$i][$j][$h_v] = [ "width" => 0, "style" => "solid", "color" => "black", ]; } if (isset($prop)) { return $this->_borders[$i][$j][$h_v][$prop]; } return $this->_borders[$i][$j][$h_v]; } /** * @param int $i * @param int $j * * @return array */ public function get_border_properties($i, $j) { return [ "top" => $this->get_border($i, $j, "horizontal"), "right" => $this->get_border($i, $j + 1, "vertical"), "bottom" => $this->get_border($i + 1, $j, "horizontal"), "left" => $this->get_border($i, $j, "vertical"), ]; } /** * @param Frame $frame * * @return null|Frame */ public function get_spanned_cells(Frame $frame) { $key = $frame->get_id(); if (isset($this->_frames[$key])) { return $this->_frames[$key]; } return null; } /** * @param Frame $frame * * @return bool */ public function frame_exists_in_cellmap(Frame $frame) { $key = $frame->get_id(); return isset($this->_frames[$key]); } /** * @param Frame $frame * * @return array * @throws Exception */ public function get_frame_position(Frame $frame) { global $_dompdf_warnings; $key = $frame->get_id(); if (!isset($this->_frames[$key])) { throw new Exception("Frame not found in cellmap"); } $col = $this->_frames[$key]["columns"][0]; $row = $this->_frames[$key]["rows"][0]; if (!isset($this->_columns[$col])) { $_dompdf_warnings[] = "Frame not found in columns array. Check your table layout for missing or extra TDs."; $x = 0; } else { $x = $this->_columns[$col]["x"]; } if (!isset($this->_rows[$row])) { $_dompdf_warnings[] = "Frame not found in row array. Check your table layout for missing or extra TDs."; $y = 0; } else { $y = $this->_rows[$row]["y"]; } return [$x, $y, "x" => $x, "y" => $y]; } /** * @param Frame $frame * * @return int * @throws Exception */ public function get_frame_width(Frame $frame) { $key = $frame->get_id(); if (!isset($this->_frames[$key])) { throw new Exception("Frame not found in cellmap"); } $cols = $this->_frames[$key]["columns"]; $w = 0; foreach ($cols as $i) { $w += $this->_columns[$i]["used-width"]; } return $w; } /** * @param Frame $frame * * @return int * @throws Exception * @throws Exception */ public function get_frame_height(Frame $frame) { $key = $frame->get_id(); if (!isset($this->_frames[$key])) { throw new Exception("Frame not found in cellmap"); } $rows = $this->_frames[$key]["rows"]; $h = 0; foreach ($rows as $i) { if (!isset($this->_rows[$i])) { throw new Exception("The row #$i could not be found, please file an issue in the tracker with the HTML code"); } $h += $this->_rows[$i]["height"]; } return $h; } /** * @param int $j * @param mixed $width */ public function set_column_width($j, $width) { if ($this->_columns_locked) { return; } $col =& $this->get_column($j); $col["used-width"] = $width; $next_col =& $this->get_column($j + 1); $next_col["x"] = $col["x"] + $width; } /** * @param int $i * @param long $height */ public function set_row_height($i, $height) { $row =& $this->get_row($i); if ($height > $row["height"]) { $row["height"] = $height; } $next_row =& $this->get_row($i + 1); $next_row["y"] = $row["y"] + $row["height"]; } /** * @param int $i * @param int $j * @param mixed $h_v * @param mixed $border_spec * * @return mixed */ protected function _resolve_border($i, $j, $h_v, $border_spec) { $n_width = $border_spec["width"]; $n_style = $border_spec["style"]; if (!isset($this->_borders[$i][$j][$h_v])) { $this->_borders[$i][$j][$h_v] = $border_spec; return $this->_borders[$i][$j][$h_v]["width"]; } $border = & $this->_borders[$i][$j][$h_v]; $o_width = $border["width"]; $o_style = $border["style"]; if (($n_style === "hidden" || $n_width > $o_width || $o_style === "none") or ($o_width == $n_width && in_array($n_style, self::$_BORDER_STYLE_SCORE) && self::$_BORDER_STYLE_SCORE[$n_style] > self::$_BORDER_STYLE_SCORE[$o_style]) ) { $border = $border_spec; } return $border["width"]; } /** * @param Frame $frame */ public function add_frame(Frame $frame) { $style = $frame->get_style(); $display = $style->display; $collapse = $this->_table->get_style()->border_collapse == "collapse"; // Recursively add the frames within tables, table-row-groups and table-rows if ($display === "table-row" || $display === "table" || $display === "inline-table" || in_array($display, TableFrameDecorator::$ROW_GROUPS) ) { $start_row = $this->__row; foreach ($frame->get_children() as $child) { // Ignore all Text frames and :before/:after pseudo-selector elements. if (!($child instanceof FrameDecorator\Text) && $child->get_node()->nodeName !== 'dompdf_generated') { $this->add_frame($child); } } if ($display === "table-row") { $this->add_row(); } $num_rows = $this->__row - $start_row - 1; $key = $frame->get_id(); // Row groups always span across the entire table $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1)); $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1)); $this->_frames[$key]["frame"] = $frame; if ($display !== "table-row" && $collapse) { $bp = $style->get_border_properties(); // Resolve the borders for ($i = 0; $i < $num_rows + 1; $i++) { $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]); $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); } for ($j = 0; $j < $this->_num_cols; $j++) { $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]); $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); } } return; } $node = $frame->get_node(); // Determine where this cell is going $colspan = $node->getAttribute("colspan"); $rowspan = $node->getAttribute("rowspan"); if (!$colspan) { $colspan = 1; $node->setAttribute("colspan", 1); } if (!$rowspan) { $rowspan = 1; $node->setAttribute("rowspan", 1); } $key = $frame->get_id(); $bp = $style->get_border_properties(); // Add the frame to the cellmap $max_left = $max_right = 0; // Find the next available column (fix by Ciro Mondueri) $ac = $this->__col; while (isset($this->_cells[$this->__row][$ac])) { $ac++; } $this->__col = $ac; // Rows: for ($i = 0; $i < $rowspan; $i++) { $row = $this->__row + $i; $this->_frames[$key]["rows"][] = $row; for ($j = 0; $j < $colspan; $j++) { $this->_cells[$row][$this->__col + $j] = $frame; } if ($collapse) { // Resolve vertical borders $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"])); $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"])); } } $max_top = $max_bottom = 0; // Columns: for ($j = 0; $j < $colspan; $j++) { $col = $this->__col + $j; $this->_frames[$key]["columns"][] = $col; if ($collapse) { // Resolve horizontal borders $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"])); $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"])); } } $this->_frames[$key]["frame"] = $frame; // Handle seperated border model if (!$collapse) { list($h, $v) = $this->_table->get_style()->border_spacing; // Border spacing is effectively a margin between cells $v = $style->length_in_pt($v); if (is_numeric($v)) { $v = $v / 2; } $h = $style->length_in_pt($h); if (is_numeric($h)) { $h = $h / 2; } $style->margin = "$v $h"; // The additional 1/2 width gets added to the table proper } else { // Drop the frame's actual border $style->border_left_width = $max_left / 2; $style->border_right_width = $max_right / 2; $style->border_top_width = $max_top / 2; $style->border_bottom_width = $max_bottom / 2; $style->margin = "none"; } if (!$this->_columns_locked) { // Resolve the frame's width if ($this->_fixed_layout) { list($frame_min, $frame_max) = [0, 10e-10]; } else { list($frame_min, $frame_max) = $frame->get_min_max_width(); } $width = $style->width; $val = null; if (Helpers::is_percent($width) && $colspan === 1) { $var = "percent"; $val = (float)rtrim($width, "% ") / $colspan; } else if ($width !== "auto" && $colspan === 1) { $var = "absolute"; $val = $style->length_in_pt($frame_min); } $min = 0; $max = 0; for ($cs = 0; $cs < $colspan; $cs++) { // Resolve the frame's width(s) with other cells $col =& $this->get_column($this->__col + $cs); // Note: $var is either 'percent' or 'absolute'. We compare the // requested percentage or absolute values with the existing widths // and adjust accordingly. if (isset($var) && $val > $col[$var]) { $col[$var] = $val; $col["auto"] = false; } $min += $col["min-width"]; $max += $col["max-width"]; } if ($frame_min > $min && $colspan === 1) { // The frame needs more space. Expand each sub-column // FIXME try to avoid putting this dummy value when table-layout:fixed $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_min - $min)); for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["min-width"] += $inc; } } if ($frame_max > $max) { // FIXME try to avoid putting this dummy value when table-layout:fixed $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_max - $max) / $colspan); for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["max-width"] += $inc; } } } $this->__col += $colspan; if ($this->__col > $this->_num_cols) { $this->_num_cols = $this->__col; } } /** * */ public function add_row() { $this->__row++; $this->_num_rows++; // Find the next available column $i = 0; while (isset($this->_cells[$this->__row][$i])) { $i++; } $this->__col = $i; } /** * Remove a row from the cellmap. * * @param Frame */ public function remove_row(Frame $row) { $key = $row->get_id(); if (!isset($this->_frames[$key])) { return; // Presumably this row has alredy been removed } $this->__row = $this->_num_rows--; $rows = $this->_frames[$key]["rows"]; $columns = $this->_frames[$key]["columns"]; // Remove all frames from this row foreach ($rows as $r) { foreach ($columns as $c) { if (isset($this->_cells[$r][$c])) { $id = $this->_cells[$r][$c]->get_id(); $this->_cells[$r][$c] = null; unset($this->_cells[$r][$c]); // has multiple rows? if (isset($this->_frames[$id]) && count($this->_frames[$id]["rows"]) > 1) { // remove just the desired row, but leave the frame if (($row_key = array_search($r, $this->_frames[$id]["rows"])) !== false) { unset($this->_frames[$id]["rows"][$row_key]); } continue; } $this->_frames[$id] = null; unset($this->_frames[$id]); } } $this->_rows[$r] = null; unset($this->_rows[$r]); } $this->_frames[$key] = null; unset($this->_frames[$key]); } /** * Remove a row group from the cellmap. * * @param Frame $group The group to remove */ public function remove_row_group(Frame $group) { $key = $group->get_id(); if (!isset($this->_frames[$key])) { return; // Presumably this row has alredy been removed } $iter = $group->get_first_child(); while ($iter) { $this->remove_row($iter); $iter = $iter->get_next_sibling(); } $this->_frames[$key] = null; unset($this->_frames[$key]); } /** * Update a row group after rows have been removed * * @param Frame $group The group to update * @param Frame $last_row The last row in the row group */ public function update_row_group(Frame $group, Frame $last_row) { $g_key = $group->get_id(); $r_key = $last_row->get_id(); $r_rows = $this->_frames[$g_key]["rows"]; $this->_frames[$g_key]["rows"] = range($this->_frames[$g_key]["rows"][0], end($r_rows)); } /** * */ public function assign_x_positions() { // Pre-condition: widths must be resolved and assigned to columns and // column[0]["x"] must be set. if ($this->_columns_locked) { return; } $x = $this->_columns[0]["x"]; foreach (array_keys($this->_columns) as $j) { $this->_columns[$j]["x"] = $x; $x += $this->_columns[$j]["used-width"]; } } /** * */ public function assign_frame_heights() { // Pre-condition: widths and heights of each column & row must be // calcluated foreach ($this->_frames as $arr) { $frame = $arr["frame"]; $h = 0; foreach ($arr["rows"] as $row) { if (!isset($this->_rows[$row])) { // The row has been removed because of a page split, so skip it. continue; } $h += $this->_rows[$row]["height"]; } if ($frame instanceof TableCellFrameDecorator) { $frame->set_cell_height($h); } else { $frame->get_style()->height = $h; } } } /** * Re-adjust frame height if the table height is larger than its content */ public function set_frame_heights($table_height, $content_height) { // Distribute the increased height proportionally amongst each row foreach ($this->_frames as $arr) { $frame = $arr["frame"]; $h = 0; foreach ($arr["rows"] as $row) { if (!isset($this->_rows[$row])) { continue; } $h += $this->_rows[$row]["height"]; } if ($content_height > 0) { $new_height = ($h / $content_height) * $table_height; } else { $new_height = 0; } if ($frame instanceof TableCellFrameDecorator) { $frame->set_cell_height($new_height); } else { $frame->get_style()->height = $new_height; } } } /** * Used for debugging: * * @return string */ public function __toString() { $str = ""; $str .= "Columns:<br/>"; $str .= Helpers::pre_r($this->_columns, true); $str .= "Rows:<br/>"; $str .= Helpers::pre_r($this->_rows, true); $str .= "Frames:<br/>"; $arr = []; foreach ($this->_frames as $key => $val) { $arr[$key] = ["columns" => $val["columns"], "rows" => $val["rows"]]; } $str .= Helpers::pre_r($arr, true); if (php_sapi_name() == "cli") { $str = strip_tags(str_replace(["<br/>", "<b>", "</b>"], ["\n", chr(27) . "[01;33m", chr(27) . "[0m"], $str)); } return $str; } }