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<?php |
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|
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namespace Tableberg\Renderer\Migrations; |
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|
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/** |
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* Migrates a v3 (faux-block era) table block into the v4 native-blocks |
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* format. Unlike the attr-only migrators, this replaces the WHOLE parsed |
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* block: slim v4 attrs + a real innerBlocks tree (rows -> cells -> elements). |
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* |
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* v3 shim innerBlocks (cell/element comments carrying only coords) are |
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* discarded — the attrs are canonical and the tree is rebuilt from them. |
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*/ |
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class TableBlockMigratorV3ToV4 { |
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const ELEMENT_NAMES = [ |
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'text', |
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'button', |
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'image', |
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'list', |
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'styled-list', |
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'icon', |
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'star-rating', |
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'custom-html', |
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]; |
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|
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/** |
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* @param array $block Parsed tableberg/table block with v3 attrs. |
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* @return array Parsed block in v4 shape. |
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*/ |
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public function migrate_block($block) { |
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if (!is_array($block) || !isset($block['attrs']) || !is_array($block['attrs'])) { |
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return $block; |
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} |
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|
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$attrs = $block['attrs']; |
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|
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$table = isset($attrs['table']) && is_array($attrs['table']) |
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? $attrs['table'] |
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: []; |
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$rowsCount = isset($table['rows']) && is_numeric($table['rows']) |
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? (int) $table['rows'] |
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: 0; |
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$colsCount = isset($table['cols']) && is_numeric($table['cols']) |
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? (int) $table['cols'] |
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: 0; |
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|
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$cells = isset($attrs['cells']) && is_array($attrs['cells']) |
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? $attrs['cells'] |
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: []; |
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$rowConfigs = isset($attrs['rows']) && is_array($attrs['rows']) |
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? $attrs['rows'] |
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: []; |
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|
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$covered = $this->compute_covered_positions($cells, $rowsCount, $colsCount); |
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|
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$rowBlocks = []; |
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for ($row = 0; $row < $rowsCount; $row++) { |
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$cellBlocks = []; |
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|
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for ($col = 0; $col < $colsCount; $col++) { |
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if (isset($covered["{$row},{$col}"])) { |
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continue; |
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} |
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|
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$cell = isset($cells["{$row},{$col}"]) && is_array($cells["{$row},{$col}"]) |
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? $cells["{$row},{$col}"] |
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: []; |
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|
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$cellBlocks[] = $this->build_cell_block($cell); |
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} |
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|
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$rowAttrs = []; |
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$rowConfig = isset($rowConfigs[$row]) && is_array($rowConfigs[$row]) |
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? $rowConfigs[$row] |
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: []; |
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if (isset($rowConfig['height']) && is_string($rowConfig['height']) && $rowConfig['height'] !== '') { |
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$rowAttrs['height'] = $rowConfig['height']; |
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} |
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|
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$rowBlocks[] = $this->make_block('tableberg/row', $rowAttrs, $cellBlocks); |
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} |
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|
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// Slim v4 attrs: the cells map and per-row configs now live in the |
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// innerBlocks tree. |
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$newAttrs = $attrs; |
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unset($newAttrs['cells']); |
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unset($newAttrs['rows']); |
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$newAttrs['version'] = 4; |
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|
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return $this->make_block('tableberg/table', $newAttrs, $rowBlocks); |
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} |
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|
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/** |
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* @param array $cell v3 cell entry. |
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* @return array Parsed tableberg/cell block. |
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*/ |
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private function build_cell_block($cell) { |
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// Everything the cell carries becomes a block attribute, not just |
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// the keys this file knows about — pro registers cell attributes of |
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// its own and they must survive the migration. `elements` is the one |
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// exception: it becomes the cell's inner blocks below. |
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$cellAttrs = is_array($cell) ? $cell : []; |
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unset($cellAttrs['elements']); |
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|
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$elementBlocks = []; |
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$elements = isset($cell['elements']) && is_array($cell['elements']) |
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? $cell['elements'] |
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: []; |
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|
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foreach ($elements as $element) { |
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if ( |
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!is_array($element) || |
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!isset($element['name']) || |
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!in_array($element['name'], self::ELEMENT_NAMES, true) |
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) { |
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continue; |
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} |
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|
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$elementAttrs = isset($element['attributes']) && is_array($element['attributes']) |
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? $element['attributes'] |
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: []; |
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|
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if (isset($element['bindings']) && is_array($element['bindings']) && !empty($element['bindings'])) { |
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$elementAttrs['bindings'] = $element['bindings']; |
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} |
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|
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$elementBlocks[] = $this->make_block( |
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'tableberg/' . $element['name'], |
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$elementAttrs, |
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[] |
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); |
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} |
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|
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return $this->make_block('tableberg/cell', $cellAttrs, $elementBlocks); |
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} |
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|
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/** |
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* Positions covered by a rowSpan/colSpan anchor (excluding the anchor). |
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* |
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* @param array $cells |
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* @param int $rowsCount |
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* @param int $colsCount |
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* @return array<string, bool> |
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*/ |
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private function compute_covered_positions($cells, $rowsCount, $colsCount) { |
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$covered = []; |
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|
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foreach ($cells as $key => $cell) { |
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if (!is_array($cell) || !isset($cell['span']) || !is_array($cell['span'])) { |
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continue; |
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} |
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|
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$coords = explode(',', (string) $key); |
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if (count($coords) !== 2) { |
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continue; |
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} |
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$row = (int) $coords[0]; |
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$col = (int) $coords[1]; |
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|
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$rowSpan = isset($cell['span']['rowSpan']) && is_numeric($cell['span']['rowSpan']) |
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? max(1, (int) $cell['span']['rowSpan']) |
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: 1; |
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$colSpan = isset($cell['span']['colSpan']) && is_numeric($cell['span']['colSpan']) |
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? max(1, (int) $cell['span']['colSpan']) |
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: 1; |
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|
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for ($dr = 0; $dr < $rowSpan; $dr++) { |
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for ($dc = 0; $dc < $colSpan; $dc++) { |
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if ($dr === 0 && $dc === 0) { |
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continue; |
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} |
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$r = $row + $dr; |
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$c = $col + $dc; |
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if ($r >= $rowsCount || $c >= $colsCount) { |
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continue; |
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} |
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$covered["{$r},{$c}"] = true; |
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} |
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} |
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} |
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|
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return $covered; |
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} |
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|
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/** |
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* @param string $name |
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* @param array $attrs |
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* @param array $innerBlocks |
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* @return array |
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*/ |
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private function make_block($name, $attrs, $innerBlocks) { |
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return [ |
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'blockName' => $name, |
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'attrs' => $attrs, |
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'innerBlocks' => $innerBlocks, |
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'innerHTML' => '', |
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'innerContent' => array_fill(0, count($innerBlocks), null), |
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]; |
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} |
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} |
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|
