MyShaarli/application/config/ConfigPlugin.php

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<?php
/**
* Plugin configuration helper functions.
*
* Note: no access to configuration files here.
*/
/**
* Process plugin administration form data and save it in an array.
*
* @param array $formData Data sent by the plugin admin form.
*
* @return array New list of enabled plugin, ordered.
*
* @throws PluginConfigOrderException Plugins can't be sorted because their order is invalid.
*/
function save_plugin_config($formData)
{
// Make sure there are no duplicates in orders.
if (!validate_plugin_order($formData)) {
throw new PluginConfigOrderException();
}
$plugins = array();
$newEnabledPlugins = array();
foreach ($formData as $key => $data) {
if (startsWith($key, 'order')) {
continue;
}
// If there is no order, it means a disabled plugin has been enabled.
if (isset($formData['order_' . $key])) {
$plugins[(int) $formData['order_' . $key]] = $key;
}
else {
$newEnabledPlugins[] = $key;
}
}
// New enabled plugins will be added at the end of order.
$plugins = array_merge($plugins, $newEnabledPlugins);
// Sort plugins by order.
if (!ksort($plugins)) {
throw new PluginConfigOrderException();
}
$finalPlugins = array();
// Make plugins order continuous.
foreach ($plugins as $plugin) {
$finalPlugins[] = $plugin;
}
return $finalPlugins;
}
/**
* Validate plugin array submitted.
* Will fail if there is duplicate orders value.
*
* @param array $formData Data from submitted form.
*
* @return bool true if ok, false otherwise.
*/
function validate_plugin_order($formData)
{
$orders = array();
foreach ($formData as $key => $value) {
// No duplicate order allowed.
if (in_array($value, $orders)) {
return false;
}
if (startsWith($key, 'order')) {
$orders[] = $value;
}
}
return true;
}
/**
* Affect plugin parameters values from the ConfigManager into plugins array.
*
* @param mixed $plugins Plugins array:
* $plugins[<plugin_name>]['parameters'][<param_name>] = [
* 'value' => <value>,
* 'desc' => <description>
* ]
* @param mixed $conf Plugins configuration.
*
* @return mixed Updated $plugins array.
*/
function load_plugin_parameter_values($plugins, $conf)
{
$out = $plugins;
foreach ($plugins as $name => $plugin) {
if (empty($plugin['parameters'])) {
continue;
}
foreach ($plugin['parameters'] as $key => $param) {
if (!empty($conf[$key])) {
$out[$name]['parameters'][$key]['value'] = $conf[$key];
}
}
}
return $out;
}
/**
* Exception used if an error occur while saving plugin configuration.
*/
class PluginConfigOrderException extends Exception
{
/**
* Construct exception.
*/
public function __construct()
{
$this->message = 'An error occurred while trying to save plugins loading order.';
}
}