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<?php |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2021 ChannelWeb Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace App\View\Helper; |
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use Cake\Utility\Hash; |
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use Cake\View\Helper; |
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/** |
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* Categories helper |
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* |
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* @property \Cake\View\Helper\FormHelper $Form |
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* @property \App\View\Helper\PropertyHelper $Property |
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*/ |
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class CategoriesHelper extends Helper |
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{ |
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public $helpers = ['Form', 'Property']; |
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/** |
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* Control for categories |
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* |
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* @param string $name The name |
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* @param mixed|null $value The value |
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* @return string |
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*/ |
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public function control(string $name, $value): string |
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{ |
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$options = ['label' => false]; |
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if (!$this->isTree()) { |
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return sprintf( |
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'<div class="categories"><h3>%s</h3>%s</div>', |
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__('Global'), |
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$this->Property->control($name, $value, $options) |
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); |
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} |
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return $this->html($name, $value, $options); |
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} |
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/** |
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* Html for categories tree |
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* |
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* @param string $name The name |
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* @param mixed|null $value The value |
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* @param array $options The options |
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* @return string |
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*/ |
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public function html(string $name, $value, array $options): string |
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{ |
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$html = ''; |
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$tree = $this->tree(); |
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$hiddenField = true; // hiddenField false on all controls except the first |
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foreach ($tree as $node) { |
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$html .= $this->node($node, $name, $value, $options, $hiddenField); |
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} |
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return $html; |
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} |
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/** |
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* Html for single node of categories tree |
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* |
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* @param array $node The category node |
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* @param string $name The name |
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* @param mixed|null $value The value |
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* @param array $options The options |
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* @param bool $hiddenField The hiddenField flag |
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* @return string |
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*/ |
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public function node(array $node, string $name, $value, array $options, bool &$hiddenField): string |
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{ |
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$title = sprintf('<h3>%s</h3>', $node['label'] = $node['label'] ?: $node['name']); |
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$controlOptions = $this->controlOptions($node, $value, $options, $hiddenField); |
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return sprintf( |
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'<div class="categories">%s%s</div>', |
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$title, |
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$this->Form->control($name, $controlOptions) |
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); |
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} |
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/** |
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* Control options for category node. |
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* |
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* @param array $node The category node |
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* @param mixed|null $value The value |
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* @param array $options The options |
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* @param bool $hiddenField The hiddenField flag |
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* @return array |
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*/ |
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public function controlOptions(array $node, $value, array $options, bool &$hiddenField): array |
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{ |
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$controlOptions = $options + [ |
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'type' => 'select', |
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'multiple' => 'checkbox', |
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'value' => (array)Hash::extract((array)$value, '{n}.name'), |
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'hiddenField' => $hiddenField, |
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]; |
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$hiddenField = false; |
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if (empty($node['children'])) { |
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$controlOptions['options'][0] = ['value' => $node['name'], 'text' => $node['label'] = $node['label'] ?: $node['name']]; |
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return $controlOptions; |
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} |
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foreach ($node['children'] as $key => $child) { |
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if ((bool)Hash::get($child, 'enabled', true)) { |
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$controlOptions['options'][$key] = ['value' => $child['name'], 'text' => $child['label'] = $child['label'] ?: $child['name']]; |
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} |
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} |
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return $controlOptions; |
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} |
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/** |
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* Categories tree. |
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* Return roots with children in 'children'. |
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* |
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* @return array |
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*/ |
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public function tree(): array |
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{ |
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$schema = (array)$this->_View->get('schema'); |
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$categories = (array)Hash::get($schema, 'categories'); |
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if (empty($categories)) { |
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return []; |
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} |
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$globalCategories = []; |
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$roots = []; |
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foreach ($categories as $category) { |
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if (empty($category['parent_id'])) { // root |
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$roots[$category['id']] = array_merge($category, (array)Hash::get($roots, $category['id'])); |
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} else { // child |
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$roots[$category['parent_id']]['children'][] = $category; |
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} |
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} |
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foreach ($roots as $key => &$root) { |
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if (!empty($root['children'])) { |
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usort($root['children'], [$this, 'sortRoots']); |
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} |
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if (empty($root['parent_id']) && empty($root['children'])) { |
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$globalCategories[] = $root; |
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unset($roots[$key]); |
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} |
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} |
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if (!empty($globalCategories)) { |
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array_unshift($roots, [ |
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'id' => '0', |
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'name' => '_', |
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'label' => __('Global'), |
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'parent_id' => null, |
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'children' => $globalCategories, |
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]); |
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} |
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usort($roots, [$this, 'sortRoots']); |
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return $roots; |
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} |
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/** |
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* Sort roots. Global first. |
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* |
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* @param array $a The first node |
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* @param array $b The second node |
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* @return int |
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*/ |
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public function sortRoots(array $a, array $b): int |
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{ |
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return strcmp( |
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strtolower((string)Hash::get($a, 'name')), |
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strtolower((string)Hash::get($b, 'name')) |
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); |
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} |
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/** |
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* Return true when a category parent id is not null, among schema.categories. |
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* False otherwise. |
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* |
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* @return bool |
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*/ |
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public function isTree(): bool |
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{ |
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$schema = (array)$this->_View->get('schema'); |
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$categories = (array)Hash::get($schema, 'categories'); |
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if (empty($categories)) { |
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return false; |
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} |
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foreach ($categories as $category) { |
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if (!empty($category['parent_id'])) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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bedita /
manager
