]>
Commit | Line | Data |
---|---|---|
59404d79 A |
1 | <?php |
2 | /** | |
684e662a A |
3 | * Plugin configuration helper functions. |
4 | * | |
5 | * Note: no access to configuration files here. | |
59404d79 A |
6 | */ |
7 | ||
8 | /** | |
9 | * Process plugin administration form data and save it in an array. | |
10 | * | |
11 | * @param array $formData Data sent by the plugin admin form. | |
12 | * | |
13 | * @return array New list of enabled plugin, ordered. | |
14 | * | |
15 | * @throws PluginConfigOrderException Plugins can't be sorted because their order is invalid. | |
16 | */ | |
17 | function save_plugin_config($formData) | |
18 | { | |
19 | // Make sure there are no duplicates in orders. | |
20 | if (!validate_plugin_order($formData)) { | |
21 | throw new PluginConfigOrderException(); | |
22 | } | |
23 | ||
24 | $plugins = array(); | |
25 | $newEnabledPlugins = array(); | |
26 | foreach ($formData as $key => $data) { | |
27 | if (startsWith($key, 'order')) { | |
28 | continue; | |
29 | } | |
30 | ||
31 | // If there is no order, it means a disabled plugin has been enabled. | |
32 | if (isset($formData['order_' . $key])) { | |
33 | $plugins[(int) $formData['order_' . $key]] = $key; | |
34 | } | |
35 | else { | |
36 | $newEnabledPlugins[] = $key; | |
37 | } | |
38 | } | |
39 | ||
40 | // New enabled plugins will be added at the end of order. | |
41 | $plugins = array_merge($plugins, $newEnabledPlugins); | |
42 | ||
43 | // Sort plugins by order. | |
44 | if (!ksort($plugins)) { | |
45 | throw new PluginConfigOrderException(); | |
46 | } | |
47 | ||
48 | $finalPlugins = array(); | |
49 | // Make plugins order continuous. | |
50 | foreach ($plugins as $plugin) { | |
51 | $finalPlugins[] = $plugin; | |
52 | } | |
53 | ||
54 | return $finalPlugins; | |
55 | } | |
56 | ||
57 | /** | |
58 | * Validate plugin array submitted. | |
59 | * Will fail if there is duplicate orders value. | |
60 | * | |
61 | * @param array $formData Data from submitted form. | |
62 | * | |
63 | * @return bool true if ok, false otherwise. | |
64 | */ | |
65 | function validate_plugin_order($formData) | |
66 | { | |
67 | $orders = array(); | |
68 | foreach ($formData as $key => $value) { | |
69 | // No duplicate order allowed. | |
70 | if (in_array($value, $orders)) { | |
71 | return false; | |
72 | } | |
73 | ||
74 | if (startsWith($key, 'order')) { | |
75 | $orders[] = $value; | |
76 | } | |
77 | } | |
78 | ||
79 | return true; | |
80 | } | |
81 | ||
82 | /** | |
83 | * Affect plugin parameters values into plugins array. | |
84 | * | |
85 | * @param mixed $plugins Plugins array ($plugins[<plugin_name>]['parameters']['param_name'] = <value>. | |
86 | * @param mixed $conf Plugins configuration. | |
87 | * | |
88 | * @return mixed Updated $plugins array. | |
89 | */ | |
90 | function load_plugin_parameter_values($plugins, $conf) | |
91 | { | |
92 | $out = $plugins; | |
93 | foreach ($plugins as $name => $plugin) { | |
94 | if (empty($plugin['parameters'])) { | |
95 | continue; | |
96 | } | |
97 | ||
98 | foreach ($plugin['parameters'] as $key => $param) { | |
99 | if (!empty($conf[$key])) { | |
100 | $out[$name]['parameters'][$key] = $conf[$key]; | |
101 | } | |
102 | } | |
103 | } | |
104 | ||
105 | return $out; | |
106 | } | |
107 | ||
108 | /** | |
109 | * Exception used if an error occur while saving plugin configuration. | |
110 | */ | |
111 | class PluginConfigOrderException extends Exception | |
112 | { | |
113 | /** | |
114 | * Construct exception. | |
115 | */ | |
116 | public function __construct() | |
117 | { | |
118 | $this->message = 'An error occurred while trying to save plugins loading order.'; | |
119 | } | |
120 | } |