1<?php
2
3namespace dokuwiki\plugin\config\core\Setting;
4
5/**
6 * Class setting_array
7 */
8class SettingArray extends Setting
9{
10    /**
11     * Create an array from a string
12     *
13     * @param string $string
14     * @return array
15     */
16    protected function fromString($string)
17    {
18        $array = explode(',', $string);
19        $array = array_map('trim', $array);
20        $array = array_filter($array);
21        $array = array_unique($array);
22        return $array;
23    }
24
25    /**
26     * Create a string from an array
27     *
28     * @param array $array
29     * @return string
30     */
31    protected function fromArray($array)
32    {
33        return implode(', ', (array) $array);
34    }
35
36    /**
37     * update setting with user provided value $input
38     * if value fails error check, save it
39     *
40     * @param string $input
41     * @return bool true if changed, false otherwise (incl. on error)
42     */
43    public function update($input)
44    {
45        if (is_null($input)) return false;
46        if ($this->isProtected()) return false;
47
48        $input = $this->fromString($input);
49
50        $value = is_null($this->local) ? $this->default : $this->local;
51        if ($value == $input) return false;
52
53        foreach ($input as $item) {
54            if ($this->pattern && !preg_match($this->pattern, $item)) {
55                $this->error = true;
56                $this->input = $input;
57                return false;
58            }
59        }
60
61        $this->local = $input;
62        return true;
63    }
64
65    /** @inheritdoc */
66    public function html(\admin_plugin_config $plugin, $echo = false)
67    {
68        $disable = '';
69
70        if ($this->isProtected()) {
71            $value = $this->protected;
72            $disable = 'disabled="disabled"';
73        } elseif ($echo && $this->error) {
74            $value = $this->input;
75        } else {
76            $value = is_null($this->local) ? $this->default : $this->local;
77        }
78
79        $key = htmlspecialchars($this->key);
80        $value = htmlspecialchars($this->fromArray($value));
81
82        $label = '<label for="config___' . $key . '">' . $this->prompt($plugin) . '</label>';
83        $input = '<input id="config___' . $key . '" name="config[' . $key .
84            ']" type="text" class="edit" value="' . $value . '" ' . $disable . '/>';
85        return [$label, $input];
86    }
87}
88