Issue #3459986 by kalash: fixed the coding standards.

Closes #3459986

assets/plugins/AdminDatabaseAdminerPlugin.php

+<?php
+
+/**
+ * @file
+ * Adminer customization allowing usage of plugins.
+ */
+
+/**
+ * Class AdminDatabaseAdminerPlugin.
+ *
+ * Adminer plugin to extend functionality.
+ */
+class AdminDatabaseAdminerPlugin extends Adminer {
+
+  /**
+   * Array of plugin instances or NULL if no plugins are loaded.
+   *
+   * @var array|null
+   */
+  public $plugins;
+
+  /**
+   * Find root class for a given class.
+   *
+   * @param string $class
+   *   The class name to find the root for.
+   *
+   * @return string
+   *   The root class name.
+   */
+  protected function findRootClass($class) {
+    do {
+      $return = $class;
+    } while ($class = get_parent_class($class));
+    return $return;
+  }
+
+  /**
+   * Constructor for AdminerPlugin.
+   *
+   * @param array|null $plugins
+   *   (optional) Array of plugin instances or NULL to register all
+   *    classes starting by 'Adminer'.
+   */
+  public function __construct($plugins = NULL) {
+    if ($plugins === NULL) {
+      $plugins = [];
+      foreach (get_declared_classes() as $class) {
+        if (preg_match('~^Adminer.~i', $class) && strcasecmp($this->findRootClass($class), 'Adminer')) {
+          $plugins[$class] = new $class();
+        }
+      }
+    }
+    $this->plugins = $plugins;
+  }
+
+  /**
+   * Call parent method.
+   *
+   * @param string $function
+   *   The function name to call.
+   * @param array $args
+   *   Array of arguments to pass to the function.
+   *
+   * @return mixed
+   *   The return value of the parent method call.
+   */
+  protected function callParent($function, $args) {
+    return call_user_func_array(['parent', $function], $args);
+  }
+
+  /**
+   * Apply plugin method.
+   *
+   * @param string $function
+   *   The function name to call on plugins.
+   * @param array $args
+   *   Array of arguments to pass to the function.
+   *
+   * @return mixed|null
+   *   The return value from the plugin method.
+   */
+  protected function applyPlugin($function, $args) {
+    foreach ($this->plugins as $plugin) {
+      if (method_exists($plugin, $function)) {
+        switch (count($args)) {
+          case 0:
+            $return = $plugin->$function();
+            break;
+
+          case 1:
+            $return = $plugin->$function($args[0]);
+            break;
+
+          case 2:
+            $return = $plugin->$function($args[0], $args[1]);
+            break;
+
+          case 3:
+            $return = $plugin->$function($args[0], $args[1], $args[2]);
+            break;
+
+          case 4:
+            $return = $plugin->$function($args[0], $args[1], $args[2], $args[3]);
+            break;
+
+          case 5:
+            $return = $plugin->$function($args[0], $args[1], $args[2], $args[3], $args[4]);
+            break;
+
+          case 6:
+            $return = $plugin->$function($args[0], $args[1], $args[2], $args[3], $args[4], $args[5]);
+            break;
+
+          default:
+            trigger_error('Too many parameters.', E_USER_WARNING);
+            break;
+        }
+        if ($return !== NULL) {
+          return $return;
+        }
+      }
+    }
+    return $this->callParent($function, $args);
+  }
+
+  /**
+   * Append plugin method.
+   *
+   * @param string $function
+   *   The function name to call on plugins.
+   * @param array $args
+   *   Array of arguments to pass to the function.
+   *
+   * @return mixed
+   *   The combined return value from all plugins.
+   */
+  protected function appendPlugin($function, $args) {
+    $return = $this->callParent($function, $args);
+    foreach ($this->plugins as $plugin) {
+      if (method_exists($plugin, $function)) {
+        $value = call_user_func_array([$plugin, $function], $args);
+        if ($value) {
+          $return += $value;
+        }
+      }
+    }
+    return $return;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpFormat() {
+    return $this->appendPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpOutput() {
+    return $this->appendPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function editRowPrint($table, $fields, $row, $update) {
+    return $this->appendPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function editFunctions($field) {
+    return $this->appendPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function tableName($tableStatus) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fieldName($field, $order = 0) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function selectLinks($tableStatus, $set = "") {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpDatabase($db) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpTable($table, $style, $is_view = 0) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpData($table, $style, $query) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpFilename($identifier) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function dumpHeaders($identifier, $multi_table = FALSE) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function importServerPath() {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function homepage() {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function navigation($missing) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function databasesPrint($missing) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function tablesPrint($tables) {
+    return $this->applyPlugin(__FUNCTION__, func_get_args());
+  }
+
+}