. */ declare(strict_types=1); namespace Fisharebest\Webtrees\Module; use Fisharebest\Webtrees\Auth; use Fisharebest\Webtrees\Functions\FunctionsEdit; use Fisharebest\Webtrees\I18N; use Fisharebest\Webtrees\Individual; use Fisharebest\Webtrees\Menu; use Fisharebest\Webtrees\Services\ChartService; use Fisharebest\Webtrees\Theme; use Fisharebest\Webtrees\Tree; use stdClass; use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\Response; /** * Class PedigreeChartModule */ class PedigreeChartModule extends AbstractModule implements ModuleInterface, ModuleChartInterface { use ModuleChartTrait; // With more than 8 generations, we run out of pixels on the protected const MAX_GENERATIONS = 8; protected const MIN_GENERATIONS = 2; protected const DEFAULT_GENERATIONS = '4'; /** * Chart orientation codes * Dont change them! the offset calculations rely on this order */ protected const PORTRAIT = 0; protected const LANDSCAPE = 1; protected const OLDEST_AT_TOP = 2; protected const OLDEST_AT_BOTTOM = 3; protected const DEFAULT_ORIENTATION = self::LANDSCAPE; /** @var int Number of generation to display */ protected $generations; /** @var array data pertaining to each chart node */ protected $nodes = []; /** @var int Number of nodes in the chart */ protected $treesize; /** @var stdClass Determine which arrows to use for each of the chart orientations */ protected $arrows; /** @var Individual */ protected $root; /** * Next and previous generation arrow size in pixels. */ protected const ARROW_SIZE = 22; /** * How should this module be labelled on tabs, menus, etc.? * * @return string */ public function title(): string { /* I18N: Name of a module/chart */ return I18N::translate('Pedigree'); } /** * A sentence describing what this module does. * * @return string */ public function description(): string { /* I18N: Description of the “PedigreeChart” module */ return I18N::translate('A chart of an individual’s ancestors, formatted as a tree.'); } /** * CSS class for the URL. * * @return string */ public function chartMenuClass(): string { return 'menu-chart-pedigree'; } /** * Return a menu item for this chart - for use in individual boxes. * * @param Individual $individual * * @return Menu|null */ public function chartBoxMenu(Individual $individual): ?Menu { return $this->chartMenu($individual); } /** * The title for a specific instance of this chart. * * @param Individual $individual * * @return string */ public function chartTitle(Individual $individual): string { /* I18N: %s is an individual’s name */ return I18N::translate('Pedigree tree of %s', $individual->getFullName()); } /** * A form to request the chart parameters. * * @param Request $request * @param Tree $tree * @param ChartService $chart_service * * @return Response */ public function getChartAction(Request $request, Tree $tree, ChartService $chart_service): Response { $ajax = $request->get('ajax', ''); $xref = $request->get('xref', ''); $individual = Individual::getInstance($xref, $tree); Auth::checkIndividualAccess($individual); $orientation = (int) $request->get('orientation', self::DEFAULT_ORIENTATION); $generations = (int) $request->get('generations', self::DEFAULT_GENERATIONS); $generations = min(self::MAX_GENERATIONS, $generations); $generations = max(self::MIN_GENERATIONS, $generations); $generation_options = $this->generationOptions(); if ($ajax === '1') { return $this->chart($individual, $generations, $orientation, $chart_service); } $ajax_url = $this->chartUrl($individual, [ 'ajax' => '1', 'generations' => $generations, 'orientation' => $orientation, ]); return $this->viewResponse('modules/pedigree-chart/chart-page', [ 'ajax_url' => $ajax_url, 'generations' => $generations, 'generation_options' => $generation_options, 'individual' => $individual, 'module_name' => $this->name(), 'orientation' => $orientation, 'orientations' => $this->orientations(), 'title' => $this->chartTitle($individual), ]); } /** * @param Individual $individual * @param int $generations * @param int $orientation * @param ChartService $chart_service * * @return Response */ public function chart(Individual $individual, int $generations, int $orientation, ChartService $chart_service): Response { $bxspacing = Theme::theme()->parameter('chart-spacing-x'); $byspacing = Theme::theme()->parameter('chart-spacing-y'); $curgen = 1; // Track which generation the algorithm is currently working on $addoffset = []; $this->root = $individual; $this->treesize = (2 ** $generations) - 1; $this->nodes = []; $ancestors = $chart_service->sosaStradonitzAncestors($individual, $generations); // $ancestors starts array at index 1 we need to start at 0 for ($i = 0; $i < $this->treesize; ++$i) { $this->nodes[$i] = [ 'indi' => $ancestors->get($i + 1), 'x' => 0, 'y' => 0, ]; } // Are there ancestors beyond the bounds of this chart $chart_has_ancestors = false; // Check earliest generation for any ancestors for ($i = (int) ($this->treesize / 2); $i < $this->treesize; $i++) { $chart_has_ancestors = $chart_has_ancestors || ($this->nodes[$i]['indi'] && $this->nodes[$i]['indi']->getChildFamilies()); } $this->arrows = new stdClass(); switch ($orientation) { default: case self::PORTRAIT: case self::LANDSCAPE: $this->arrows->prevGen = 'fas fa-arrow-end wt-icon-arrow-end'; $this->arrows->menu = 'fas fa-arrow-start wt-icon-arrow-start'; $addoffset['x'] = $chart_has_ancestors ? self::ARROW_SIZE : 0; $addoffset['y'] = 0; break; case self::OLDEST_AT_TOP: $this->arrows->prevGen = 'fas fa-arrow-up wt-icon-arrow-up'; $this->arrows->menu = 'fas fa-arrow-down wt-icon-arrow-down'; $addoffset['x'] = 0; $addoffset['y'] = $this->root->getSpouseFamilies() ? self::ARROW_SIZE : 0; break; case self::OLDEST_AT_BOTTOM: $this->arrows->prevGen = 'fas fa-arrow-down wt-icon-arrow-down'; $this->arrows->menu = 'fas fa-arrow-up wt-icon-arrow-up'; $addoffset['x'] = 0; $addoffset['y'] = $chart_has_ancestors ? self::ARROW_SIZE : 0; break; } // Create and position the DIV layers for the pedigree tree for ($i = ($this->treesize - 1); $i >= 0; $i--) { // Check to see if we have moved to the next generation if ($i < (int) ($this->treesize / (2 ** $curgen))) { $curgen++; } // Box position in current generation $boxpos = $i - (2 ** ($this->generations - $curgen)); // Offset multiple for current generation if ($orientation < self::OLDEST_AT_TOP) { $genoffset = 2 ** ($curgen - $orientation); $boxspacing = Theme::theme()->parameter('chart-box-y') + $byspacing; } else { $genoffset = 2 ** ($curgen - 1); $boxspacing = Theme::theme()->parameter('chart-box-x') + $byspacing; } // Calculate the yoffset position in the generation put child between parents $yoffset = ($boxpos * ($boxspacing * $genoffset)) + (($boxspacing / 2) * $genoffset) + ($boxspacing * $genoffset); // Calculate the xoffset switch ($orientation) { default: case self::PORTRAIT: $xoffset = ($this->generations - $curgen) * ((Theme::theme()->parameter('chart-box-x') + $bxspacing) / 1.8); if (!$i && $this->root->getSpouseFamilies()) { $xoffset -= self::ARROW_SIZE; } // Compact the tree if ($curgen < $this->generations) { if ($i % 2 == 0) { $yoffset = $yoffset - (($boxspacing / 2) * ($curgen - 1)); } else { $yoffset = $yoffset + (($boxspacing / 2) * ($curgen - 1)); } $parent = (int) (($i - 1) / 2); $pgen = $curgen; while ($parent > 0) { if ($parent % 2 == 0) { $yoffset = $yoffset - (($boxspacing / 2) * $pgen); } else { $yoffset = $yoffset + (($boxspacing / 2) * $pgen); } $pgen++; if ($pgen > 3) { $temp = 0; for ($j = 1; $j < ($pgen - 2); $j++) { $temp += ((2 ** $j) - 1); } if ($parent % 2 == 0) { $yoffset = $yoffset - (($boxspacing / 2) * $temp); } else { $yoffset = $yoffset + (($boxspacing / 2) * $temp); } } $parent = (int) (($parent - 1) / 2); } if ($curgen > 3) { $temp = 0; for ($j = 1; $j < ($curgen - 2); $j++) { $temp += ((2 ** $j) - 1); } if ($i % 2 == 0) { $yoffset = $yoffset - (($boxspacing / 2) * $temp); } else { $yoffset = $yoffset + (($boxspacing / 2) * $temp); } } } $yoffset -= (($boxspacing / 2) * (2 ** ($this->generations - 2)) - ($boxspacing / 2)); break; case self::LANDSCAPE: $xoffset = ($this->generations - $curgen) * (Theme::theme()->parameter('chart-box-x') + $bxspacing); if ($curgen == 1) { $xoffset += 10; } break; case self::OLDEST_AT_TOP: // Swap x & y offsets as chart is rotated $xoffset = $yoffset; $yoffset = $curgen * (Theme::theme()->parameter('chart-box-y') + ($byspacing * 4)); break; case self::OLDEST_AT_BOTTOM: // Swap x & y offsets as chart is rotated $xoffset = $yoffset; $yoffset = ($this->generations - $curgen) * (Theme::theme()->parameter('chart-box-y') + ($byspacing * 2)); if ($i && $this->root->getSpouseFamilies()) { $yoffset += self::ARROW_SIZE; } break; } $this->nodes[$i]['x'] = (int) $xoffset; $this->nodes[$i]['y'] = (int) $yoffset; } // Find the minimum x & y offsets and deduct that number from // each value in the array so that offsets start from zero $min_xoffset = min(array_map(function (array $item): int { return $item['x']; }, $this->nodes)); $min_yoffset = min(array_map(function (array $item): int { return $item['y']; }, $this->nodes)); array_walk($this->nodes, function (&$item) use ($min_xoffset, $min_yoffset) { $item['x'] -= $min_xoffset; $item['y'] -= $min_yoffset; }); // Calculate chart & canvas dimensions $max_xoffset = max(array_map(function ($item) { return $item['x']; }, $this->nodes)); $max_yoffset = max(array_map(function ($item) { return $item['y']; }, $this->nodes)); $canvas_width = $max_xoffset + $bxspacing + Theme::theme()->parameter('chart-box-x') + $addoffset['x']; $canvas_height = $max_yoffset + $byspacing + Theme::theme()->parameter('chart-box-y') + $addoffset['y']; $posn = I18N::direction() === 'rtl' ? 'right' : 'left'; $last_gen_start = (int) floor($this->treesize / 2); if ($orientation === self::OLDEST_AT_TOP || $orientation === self::OLDEST_AT_BOTTOM) { $flex_direction = ' flex-column'; } else { $flex_direction = ''; } foreach ($this->nodes as $n => $node) { if ($n >= $last_gen_start) { $this->nodes[$n]['previous_gen'] = $this->gotoPreviousGen($n, $generations, $orientation, $chart_has_ancestors); } else { $this->nodes[$n]['previous_gen'] = ''; } } $html = view('modules/pedigree-chart/chart', [ 'canvas_height' => $canvas_height, 'canvas_width' => $canvas_width, 'child_menu' => $this->getMenu($individual, $generations, $orientation), 'flex_direction' => $flex_direction, 'last_gen_start' => $last_gen_start, 'orientation' => $orientation, 'nodes' => $this->nodes, 'landscape' => self::LANDSCAPE, 'oldest_at_top' => self::OLDEST_AT_TOP, 'oldest_at_bottom' => self::OLDEST_AT_BOTTOM, 'portrait' => self::PORTRAIT, 'posn' => $posn, ]); return new Response($html); } /** * Build a menu for the chart root individual * * @param Individual $root * @param int $generations * @param int $orientation * * @return string */ public function getMenu(Individual $root, int $generations, int $orientation): string { $families = $root->getSpouseFamilies(); $html = ''; if (!empty($families)) { $html = sprintf('
', $this->arrows->menu); foreach ($families as $family) { $html .= '' . I18N::translate('Family') . ''; $spouse = $family->getSpouse($root); if ($spouse) { $html .= '' . $spouse->getFullName() . ''; } $children = $family->getChildren(); foreach ($children as $sibling) { $html .= '' . $sibling->getFullName() . ''; } } foreach ($root->getChildFamilies() as $family) { $siblings = array_filter($family->getChildren(), function (Individual $item) use ($root): bool { return $root->xref() !== $item->xref(); }); if (!empty($siblings)) { $html .= ''; $html .= count($siblings) > 1 ? I18N::translate('Siblings') : I18N::translate('Sibling'); $html .= ''; foreach ($siblings as $sibling) { $html .= '' . $sibling->getFullName() . ''; } } } $html .= '
'; } return $html; } /** * Function gotoPreviousGen * Create a link to generate a new chart based on the correct parent of the individual with this index * * @param int $index * @param int $generations * @param int $orientation * @param bool $chart_has_ancestors * * @return string */ public function gotoPreviousGen(int $index, int $generations, int $orientation, bool $chart_has_ancestors): string { $html = ''; if ($chart_has_ancestors) { if ($this->nodes[$index]['indi'] && $this->nodes[$index]['indi']->getChildFamilies()) { $html .= '
'; $rootParentId = 1; if ($index > (int) ($this->treesize / 2) + (int) ($this->treesize / 4)) { $rootParentId++; } $html .= ''; $html .= '
'; } else { $html .= '
'; } } return $html; } /** * @return string[] */ protected function generationOptions(): array { return FunctionsEdit::numericOptions(range(self::MIN_GENERATIONS, self::MAX_GENERATIONS)); } /** * @return string[] */ protected function orientations(): array { return [ 0 => I18N::translate('Portrait'), 1 => I18N::translate('Landscape'), 2 => I18N::translate('Oldest at top'), 3 => I18N::translate('Oldest at bottom'), ]; } }