<?php

/**
 * @file
 * Provides Media module pages for testing purposes.
 */

/**
 * Implements hook_media_browser_plugin_info().
 */
function media_module_test_media_browser_plugin_info() {
  // Allow tests to enable or disable this hook.
  if (!variable_get('media_module_test_media_browser_plugin_info', FALSE)) {
    return array();
  }

  $info['media_module_test'] = array(
    'title' => t('Media module test'),
    'class' => 'MediaModuleTest',
    'weight' => 50,
  );

  return $info;
}

/**
 * Implements hook_media_browser_plugin_info_alter().
 */
function media_module_test_media_browser_plugin_info_alter(&$info) {
  // Allow tests to enable or disable this hook.
  if (!variable_get('media_module_test_media_browser_plugin_info_alter', FALSE)) {
    return;
  }

  $info['media_module_test']['title'] = t('Altered plugin title');
}

/**
 * Implements hook_media_browser_plugins_alter().
 */
function media_module_test_media_browser_plugins_alter(&$plugin_output) {
  // Allow tests to enable or disable this hook.
  if (!variable_get('media_module_test_media_browser_plugins_alter', FALSE)) {
    return;
  }

  $plugin_output['media_module_test']['test']['#markup'] = '<p>' . t('Altered browser plugin output.') . '</p>';
}

/**
 * Implements hook_menu().
 */
function media_module_test_menu() {
  $items = array();

  $items['media/test'] = array(
    'title' => 'Media test',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('media_module_test_form'),
    'access arguments' => array('view files'),
  );

  return $items;
}

/**
 * Form constructor for testing a 'media' element.
 *
 * @see media_module_test_form_submit()
 * @ingroup forms
 */
function media_module_test_form($form, &$form_state, $tree = TRUE, $extended = FALSE) {
  $form['#tree'] = (bool) $tree;

  $form['nested']['media'] = array(
    '#type' => 'media',
    '#title' => t('Media'),
    '#extended' => (bool) $extended,
    '#size' => 13,
  );

  $form['textfield'] = array(
    '#type' => 'textfield',
    '#title' => t('Type a value and ensure it stays'),
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save'),
  );

  return $form;
}

/**
 * Form submission handler for media_module_test_form().
 */
function media_module_test_form_submit($form, &$form_state) {
  if ($form['#tree']) {
    $fid = $form['nested']['media']['#extended'] ? $form_state['values']['nested']['media']['fid'] : $form_state['values']['nested']['media'];
  }
  else {
    $fid = $form['nested']['media']['#extended'] ? $form_state['values']['media']['fid'] : $form_state['values']['media'];
  }
  drupal_set_message(t('The file id is %fid.', array('%fid' => $fid)));
}
