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136 lines
3.9 KiB
136 lines
3.9 KiB
<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (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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namespace Zabbix\Widgets\Fields;
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use Zabbix\Widgets\CWidgetField;
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class CWidgetFieldNavTree extends CWidgetField {
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public const DEFAULT_VALUE = [];
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public function __construct(string $name, string $label = null) {
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parent::__construct($name, $label);
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$this
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->setDefault(self::DEFAULT_VALUE)
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->setSaveType(ZBX_WIDGET_FIELD_TYPE_STR)
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->setValidationRules(['type' => API_OBJECTS, 'flags' => API_PRESERVE_KEYS, 'fields' => [
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'name' => ['type' => API_STRING_UTF8, 'flags' => API_REQUIRED | API_NOT_EMPTY, 'length' => 255],
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'order' => ['type' => API_INT32, 'in' => '1:'.ZBX_MAX_INT32, 'default' => 1],
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'parent' => ['type' => API_INT32, 'in' => '0:'.ZBX_MAX_INT32, 'default' => 0],
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'sysmapid' => ['type' => API_ID, 'default' => '0']
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]]);
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}
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public function setValue($value): self {
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$this->value = (array) $value;
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return $this;
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}
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public function validate(bool $strict = false): array {
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$errors = parent::validate($strict);
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if (!$errors) {
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$this->setValue(self::validateNavTree($this->getValue(), $errors));
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}
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return $errors;
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}
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public function toApi(array &$widget_fields = []): void {
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$value = $this->getValue();
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foreach ($value as $index => $val) {
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$widget_fields[] = [
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'type' => $this->save_type,
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'name' => $this->name.'.name.'.$index,
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'value' => $val['name']
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];
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// Add default values to avoid check of key existence.
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$val = array_merge([
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'order' => 1,
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'parent' => 0,
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'sysmapid' => 0
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], $val);
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if ($val['order'] != 1) {
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$widget_fields[] = [
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'type' => ZBX_WIDGET_FIELD_TYPE_INT32,
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'name' => $this->name.'.order.'.$index,
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'value' => $val['order']
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];
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}
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if ($val['parent'] != 0) {
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$widget_fields[] = [
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'type' => ZBX_WIDGET_FIELD_TYPE_INT32,
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'name' => $this->name.'.parent.'.$index,
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'value' => $val['parent']
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];
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}
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if ($val['sysmapid'] != 0) {
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$widget_fields[] = [
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'type' => ZBX_WIDGET_FIELD_TYPE_MAP,
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'name' => $this->name.'.sysmapid.'.$index,
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'value' => $val['sysmapid']
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];
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}
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}
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}
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/**
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* Check and fix the tree of the maps.
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*/
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private static function validateNavTree(array $navtree_items, array &$errors): array {
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// Check for incorrect parent IDs.
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foreach ($navtree_items as $fieldid => &$navtree_item) {
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if ($navtree_item['parent'] != 0 && !array_key_exists($navtree_item['parent'], $navtree_items)) {
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$errors[] = _s('Incorrect value for field "%1$s": %2$s.',
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'navtree.parent.'.$fieldid, _('reference to a non-existent tree element')
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);
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$navtree_item['parent'] = 0;
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}
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}
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unset($navtree_item);
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// Find and fix circular dependencies.
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foreach ($navtree_items as $navtree_item) {
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$parentid = $navtree_item['parent'];
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$parentids = [$parentid => true];
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while ($parentid != 0) {
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if (array_key_exists($navtree_items[$parentid]['parent'], $parentids)) {
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$errors[] = _s('Incorrect value for field "%1$s": %2$s.',
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'navtree.parent.'.$parentid, _('circular dependency is not allowed')
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);
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$navtree_items[$parentid]['parent'] = 0;
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}
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$parentid = $navtree_items[$parentid]['parent'];
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}
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}
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return $navtree_items;
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}
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}
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