function apply_page_style(Frame $frame, $page_number) { $style = $frame->get_style(); $page_styles = $style->get_stylesheet()->get_page_styles(); // http://www.w3.org/TR/CSS21/page.html#page-selectors if (count($page_styles) > 1) { $odd = $page_number % 2 == 1; $first = $page_number == 1; $style = clone $page_styles["base"]; // FIXME RTL if ($odd && isset($page_styles[":right"])) { $style->merge($page_styles[":right"]); } if ($odd && isset($page_styles[":odd"])) { $style->merge($page_styles[":odd"]); } // FIXME RTL if (!$odd && isset($page_styles[":left"])) { $style->merge($page_styles[":left"]); } if (!$odd && isset($page_styles[":even"])) { $style->merge($page_styles[":even"]); } if ($first && isset($page_styles[":first"])) { $style->merge($page_styles[":first"]); } $frame->set_style($style); } }
/** * Decorate a Frame * * @param Frame $frame The frame to decorate * @param Dompdf $dompdf The dompdf instance * @param Frame $root The frame to decorate * * @throws Exception * @return AbstractFrameDecorator * FIXME: this is admittedly a little smelly... */ static function decorate_frame(Frame $frame, Dompdf $dompdf, Frame $root = null) { if (is_null($dompdf)) { throw new Exception("The DOMPDF argument is required"); } $style = $frame->get_style(); // Floating (and more generally out-of-flow) elements are blocks // http://coding.smashingmagazine.com/2007/05/01/css-float-theory-things-you-should-know/ if (!$frame->is_in_flow() && in_array($style->display, Style::$INLINE_TYPES)) { $style->display = "block"; } $display = $style->display; switch ($display) { case "block": $positioner = "Block"; $decorator = "Block"; $reflower = "Block"; break; case "inline-block": $positioner = "Inline"; $decorator = "Block"; $reflower = "Block"; break; case "inline": $positioner = "Inline"; if ($frame->is_text_node()) { $decorator = "Text"; $reflower = "Text"; } else { $enable_css_float = $dompdf->get_option("enable_css_float"); if ($enable_css_float && $style->float !== "none") { $decorator = "Block"; $reflower = "Block"; } else { $decorator = "Inline"; $reflower = "Inline"; } } break; case "table": $positioner = "Block"; $decorator = "Table"; $reflower = "Table"; break; case "inline-table": $positioner = "Inline"; $decorator = "Table"; $reflower = "Table"; break; case "table-row-group": case "table-header-group": case "table-footer-group": $positioner = "Null"; $decorator = "TableRowGroup"; $reflower = "TableRowGroup"; break; case "table-row": $positioner = "Null"; $decorator = "TableRow"; $reflower = "TableRow"; break; case "table-cell": $positioner = "TableCell"; $decorator = "TableCell"; $reflower = "TableCell"; break; case "list-item": $positioner = "Block"; $decorator = "Block"; $reflower = "Block"; break; case "-dompdf-list-bullet": if ($style->list_style_position === "inside") { $positioner = "Inline"; } else { $positioner = "ListBullet"; } if ($style->list_style_image !== "none") { $decorator = "ListBulletImage"; } else { $decorator = "ListBullet"; } $reflower = "ListBullet"; break; case "-dompdf-image": $positioner = "Inline"; $decorator = "Image"; $reflower = "Image"; break; case "-dompdf-br": $positioner = "Inline"; $decorator = "Inline"; $reflower = "Inline"; break; default: // FIXME: should throw some sort of warning or something? // FIXME: should throw some sort of warning or something? case "none": if ($style->_dompdf_keep !== "yes") { // Remove the node and the frame $frame->get_parent()->remove_child($frame); return; } $positioner = "Null"; $decorator = "Null"; $reflower = "Null"; break; } // Handle CSS position $position = $style->position; if ($position === "absolute") { $positioner = "Absolute"; } else { if ($position === "fixed") { $positioner = "Fixed"; } } $node = $frame->get_node(); // Handle nodeName if ($node->nodeName === "img") { $style->display = "-dompdf-image"; $decorator = "Image"; $reflower = "Image"; } $positioner = "Dompdf\\Positioner\\{$positioner}"; $decorator = "Dompdf\\FrameDecorator\\{$decorator}"; $reflower = "Dompdf\\FrameReflower\\{$reflower}"; /** @var AbstractFrameDecorator $deco */ $deco = new $decorator($frame, $dompdf); $deco->set_positioner(new $positioner($deco)); $deco->set_reflower(new $reflower($deco, $dompdf->getFontMetrics())); if ($root) { $deco->set_root($root); } if ($display === "list-item") { // Insert a list-bullet frame $xml = $dompdf->get_dom(); $bullet_node = $xml->createElement("bullet"); // arbitrary choice $b_f = new Frame($bullet_node); $node = $frame->get_node(); $parent_node = $node->parentNode; if ($parent_node) { if (!$parent_node->hasAttribute("dompdf-children-count")) { $xpath = new DOMXPath($xml); $count = $xpath->query("li", $parent_node)->length; $parent_node->setAttribute("dompdf-children-count", $count); } if (is_numeric($node->getAttribute("value"))) { $index = intval($node->getAttribute("value")); } else { if (!$parent_node->hasAttribute("dompdf-counter")) { $index = $parent_node->hasAttribute("start") ? $parent_node->getAttribute("start") : 1; } else { $index = $parent_node->getAttribute("dompdf-counter") + 1; } } $parent_node->setAttribute("dompdf-counter", $index); $bullet_node->setAttribute("dompdf-counter", $index); } $new_style = $dompdf->get_css()->create_style(); $new_style->display = "-dompdf-list-bullet"; $new_style->inherit($style); $b_f->set_style($new_style); $deco->prepend_child(Factory::decorate_frame($b_f, $dompdf, $root)); } return $deco; }
/** * Restructure tree so that the table has the correct structure. * Invalid children (i.e. all non-table-rows) are moved below the * table. */ public function normalise() { // Store frames generated by invalid tags and move them outside the table $erroneous_frames = array(); $anon_row = false; $iter = $this->get_first_child(); while ($iter) { $child = $iter; $iter = $iter->get_next_sibling(); $display = $child->get_style()->display; if ($anon_row) { if ($display === "table-row") { // Add the previous anonymous row $this->insert_child_before($table_row, $child); $table_row->normalise(); $child->normalise(); $anon_row = false; continue; } // add the child to the anonymous row $table_row->append_child($child); continue; } else { if ($display === "table-row") { $child->normalise(); continue; } if ($display === "table-cell") { // Create an anonymous table row $tr = $this->get_node()->ownerDocument->createElement("tr"); $frame = new Frame($tr); $css = $this->get_style()->get_stylesheet(); $style = $css->create_style(); $style->inherit($this->get_style()); // Lookup styles for tr tags. If the user wants styles to work // better, they should make the tr explicit... I'm not going to // try to guess what they intended. if ($tr_style = $css->lookup("tr")) { $style->merge($tr_style); } // Okay, I have absolutely no idea why I need this clone here, but // if it's omitted, php (as of 2004-07-28) segfaults. $frame->set_style(clone $style); $table_row = Factory::decorate_frame($frame, $this->_dompdf, $this->_root); // Add the cell to the row $table_row->append_child($child); $anon_row = true; continue; } if (!in_array($display, self::$VALID_CHILDREN)) { $erroneous_frames[] = $child; continue; } // Normalise other table parts (i.e. row groups) foreach ($child->get_children() as $grandchild) { if ($grandchild->get_style()->display === "table-row") { $grandchild->normalise(); } } // Add headers and footers if ($display === "table-header-group") { $this->_headers[] = $child; } elseif ($display === "table-footer-group") { $this->_footers[] = $child; } } } if ($anon_row && $table_row instanceof DOMNode) { // Add the row to the table $this->_frame->append_child($table_row); $table_row->normalise(); $this->_cellmap->add_row(); } foreach ($erroneous_frames as $frame) { $this->move_after($frame); } }
/** * @param Style $style */ function set_style(Style $style) { $this->_frame->set_style($style); }
/** * Sets the generated content of a generated frame */ protected function _set_content() { $frame = $this->_frame; $style = $frame->get_style(); // if the element was pushed to a new page use the saved counter value, otherwise use the CSS reset value if ($style->counter_reset && ($reset = $style->counter_reset) !== "none") { $vars = preg_split('/\\s+/', trim($reset), 2); $frame->reset_counter($vars[0], isset($frame->_counters['__' . $vars[0]]) ? $frame->_counters['__' . $vars[0]] : (isset($vars[1]) ? $vars[1] : 0)); } if ($style->counter_increment && ($increment = $style->counter_increment) !== "none") { $frame->increment_counters($increment); } if ($style->content && !$frame->get_first_child() && $frame->get_node()->nodeName === "dompdf_generated") { $content = $this->_parse_content(); // add generated content to the font subset // FIXME: This is currently too late because the font subset has already been generated. // See notes in issue #750. if ($frame->get_dompdf()->get_option("enable_font_subsetting") && $frame->get_dompdf()->get_canvas() instanceof CPDF) { $frame->get_dompdf()->get_canvas()->register_string_subset($style->font_family, $content); } $node = $frame->get_node()->ownerDocument->createTextNode($content); $new_style = $style->get_stylesheet()->create_style(); $new_style->inherit($style); $new_frame = new Frame($node); $new_frame->set_style($new_style); Factory::decorate_frame($new_frame, $frame->get_dompdf(), $frame->get_root()); $frame->append_child($new_frame); } }