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<?php |
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/** |
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* |
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* part-db version 0.1 |
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* Copyright (C) 2005 Christoph Lechner |
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* http://www.cl-projects.de/ |
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* |
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* part-db version 0.2+ |
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* Copyright (C) 2009 K. Jacobs and others (see authors.php) |
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* http://code.google.com/p/part-db/ |
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* |
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* Part-DB Version 0.4+ |
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* Copyright (C) 2016 - 2019 Jan Böhmer |
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* https://github.com/jbtronics |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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* |
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*/ |
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namespace App\Services; |
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use App\Entity\DBElement; |
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use App\Entity\NamedDBElement; |
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use App\Entity\StructuralDBElement; |
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use App\Helpers\TreeViewNode; |
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use App\Repository\StructuralDBElementRepository; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Symfony\Bundle\MakerBundle\Str; |
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use Symfony\Contracts\Translation\TranslatorInterface; |
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/** |
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* This service gives you multiple possibilities to generate trees. |
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* |
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* @package App\Controller |
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*/ |
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class TreeBuilder |
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{ |
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protected $url_generator; |
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protected $em; |
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protected $translator; |
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public function __construct(EntityURLGenerator $URLGenerator, EntityManagerInterface $em, TranslatorInterface $translator) |
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{ |
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$this->url_generator = $URLGenerator; |
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$this->em = $em; |
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$this->translator = $translator; |
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} |
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/** |
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* Generates a tree for the given Element. The given element is the top node, all children are child nodes. |
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* @param StructuralDBElement $element The element for which the tree should be generated. |
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* @param string $href_type The type of the links that should be used for the links. Set to null, to disable links. |
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* See EntityURLGenerator::getURL for possible types. |
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* @param DBElement|null $selectedElement When a element is given here, its tree node will be marked as selected in |
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* the resulting tree. When $selectedElement is not existing in the tree, then nothing happens. |
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* @return TreeViewNode The Node for the given Element. |
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* @throws \App\Exceptions\EntityNotSupported |
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*/ |
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public function elementToTreeNode(NamedDBElement $element, ?string $href_type = 'list_parts', DBElement $selectedElement = null) : TreeViewNode |
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{ |
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$children_nodes = null; |
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if ($element instanceof StructuralDBElement) { |
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$children = $element->getSubelements(); |
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foreach ($children as $child) { |
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$children_nodes[] = $this->elementToTreeNode($child, $href_type, $selectedElement); |
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} |
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} |
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//Check if we need to generate a href type |
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$href = null; |
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if (!empty($href_type)) { |
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$href = $this->url_generator->getURL($element, $href_type); |
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} |
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$tree_node = new TreeViewNode($element->__toString(), $href, $children_nodes); |
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if($children_nodes != null) { |
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$tree_node->addTag((string) count($children_nodes)); |
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} |
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//Check if we need to select the current part |
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if ($selectedElement !== null && $element->getID() === $selectedElement->getID()) { |
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$tree_node->setSelected(true); |
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} |
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return $tree_node; |
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} |
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/** |
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* Generates a tree for all elements of the given type |
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* @param StructuralDBElement $class_name The class name of the StructuralDBElement class for which the tree should |
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* be generated. |
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* @param string $href_type The type of the links that should be used for the links. Set to null, to disable links. |
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* See EntityURLGenerator::getURL for possible types. |
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* @param DBElement|null $selectedElement When a element is given here, its tree node will be marked as selected in |
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* the resulting tree. When $selectedElement is not existing in the tree, then nothing happens. |
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* @return TreeViewNode[] Returns an array, containing all nodes. It is empty if the given class has no elements. |
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* @throws \App\Exceptions\EntityNotSupported |
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*/ |
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public function typeToTree(string $class_name, ?string $href_type = 'list_parts', DBElement $selectedElement = null) : array |
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{ |
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/** |
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* @var $repo StructuralDBElementRepository |
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*/ |
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$repo = $this->em->getRepository($class_name); |
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if (new $class_name() instanceof StructuralDBElement) { |
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$root_nodes = $repo->findRootNodes(); |
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} else { |
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$root_nodes = $repo->findAll(); |
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} |
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$array = array(); |
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//When we use the newEdit type, add the New Element node. |
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if ($href_type === 'newEdit') { |
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//Generate the url for the new node |
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$href = $this->url_generator->createURL(new $class_name()); |
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$new_node = new TreeViewNode($this->translator->trans('entity.tree.new'), $href); |
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//When the id of the selected element is null, then we have a new element, and we need to select "new" node |
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if ($selectedElement != null && $selectedElement->getID() == null) { |
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$new_node->setSelected(true); |
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} |
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$array[] = $new_node; |
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//Add spacing |
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$array[] = (new TreeViewNode(''))->setDisabled(true); |
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//Every other treeNode will be used for edit |
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$href_type = "edit"; |
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} |
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foreach ($root_nodes as $node) { |
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$array[] = $this->elementToTreeNode($node, $href_type, $selectedElement); |
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} |
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return $array; |
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} |
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} |
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Part-DB /
Part-DB-symfony
