materio-base-d7/sites/all/modules/contrib/files/elfinder/modules/elfinder_ffsel/elfinder_ffsel.module

<?php
/**
 * elFinder Integration
 *
 * Copyright (c) 2010-2018, Alexey Sukhotin. All rights reserved.
 */

// Main hooks to tell FielField Sources about our source
function elfinder_ffsel_filefield_sources_info() {
  $params = array();
  return elfinder_ffsel_hooks('info', $params);
}

function elfinder_ffsel_hooks($method, &$params) {
  $return = array();

  $source = 'elfinder';

  $function = 'filefield_source_' . $source . '_' . $method;

  if (function_exists($function)) {
    $result = call_user_func_array($function, $params);
    if (isset($result) && is_array($result)) {
      $return = array_merge_recursive($return, $result);
    } elseif (isset($result)) {
      $return[] = $result;
    }
  }
  return $return;
}

// Source specific functions

/**
 * Implementation of hook_filefield_source_info().
 */
function filefield_source_elfinder_info() {
  $source = array();

  if (!module_exists('elfinder')) {
    return $source;
  }

  $source['elfinder'] = array(
    'name' => t('elFinder'),
    'label' => t('elFinder File browser'),
    'description' => t('Uses elFinder file manager for file selection'),
    'process' => 'filefield_source_elfinder_process',
    'weight' => -1,
  );
  return $source;
}

/**
 * Implementation of hook_menu().
 */
function filefield_source_elfinder_menu() {
  $items = array();
  $items['filefield/elfinder/%/%'] = array(
    'page callback' => 'filefield_source_elfinder_page',
    'page arguments' => array(2, 3),
    'access callback' => 'filefield_edit_access',
    'access arguments' => array(2, 3),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Implementation of hook_theme().
 */
function elfinder_ffsel_theme() {
  return array(
    'filefield_source_elfinder_element' => array(
      'render element' => 'element',
    ),
  );
}

/**
 * Implementation of hook_filefield_source_settings().
 */
function filefield_source_elfinder_settings($op, $field) {
  $return = array();

  // Add settings to the FileField widget form.

  return $return;
}

/**
 * A #process callback to extend the filefield_widget element type.
 */
function filefield_source_elfinder_process($element, &$form_state, $form) {
  $instance = field_widget_instance($element, $form_state);

  $element['filefield_elfinder'] = array(
    '#weight' => 100.5,
    '#theme' => 'filefield_source_elfinder_element',
    '#filefield_source' => TRUE, // Required for proper theming.
    '#description' => filefield_sources_element_validation_help($element['#upload_validators']),
  );

  $filepath_id = $element['#id'] . '-elfinder-path';
  $display_id = $element['#id'] . '-elfinder-display';
  $select_id = $element['#id'] . '-elfinder-select';
  $element['filefield_elfinder']['file_path'] = array(
    '#type' => 'hidden',
    '#attributes' => array(
      'id' => $filepath_id,
      'onchange' => "if (!jQuery('#$select_id').attr('disabled')) { jQuery('#$select_id').mousedown().attr('disabled', true); jQuery('#$display_id').html(this.value); }",
    ),
    '#value_callback' => 'elfinder_ffsel_element_value',
    '#upload_validators' => $element['#upload_validators'],
    '#maxlength' => NULL,
  );

  $width = variable_get('elfinder_settings_misc_manager_width', '');
  if (!$width) {
    $width = ELFINDER_POPUP_WIDTH;
  }
  $height = variable_get('elfinder_settings_misc_manager_height', '');
  if (!$height) {
    $height = ELFINDER_POPUP_HEIGHT;
  }

  $elfinder_function = 'var left = window.screenX + (window.innerWidth / 2) - (' . $width . ' / 2); var top = window.screenY + (window.innerHeight / 2) - (' . $height . ' / 2); window.open(\'' . url('elfinder', array('query' => array('app' => 'ffs', 'field_name' => $element['#field_name'], 'filepath_id' => $filepath_id, 'select_id' => $select_id))) . '\', \'\', \'width=' . $width . ',height=' . $height . ',top=\'+top+\',left=\'+left+\',resizable=1\'); return false;';

  $element['filefield_elfinder']['display_path'] = array(
    '#type' => 'markup',
    '#markup' => '<span id="' . $display_id . '" class="filefield-sources-elfinder-display">' . t('No file selected') . '</span> (<a class="filefield-sources-elfinder-browse" href="#" onclick="' . $elfinder_function . '">' . t('browse') . '</a>)',
  );

  $element['filefield_elfinder']['upload_button'] = array(
    '#name' => implode('_', $element['#array_parents']) . '_elfinder_select',
    '#type' => 'submit',
    '#value' => t('Select'),
    '#validate' => array(),
    '#submit' => array('filefield_sources_field_submit'),
    '#limit_validation_errors' => array($element['#parents']),
    '#name' => $element['#name'] . '[filefield_elfinder][button]',
    '#id' => $select_id,
    '#attributes' => array('style' => 'display: none;'),
    '#ajax' => array(
      'path' => 'file/ajax/' . implode('/', $element['#array_parents']) . '/' . $form['form_build_id']['#value'],
      'wrapper' => $element['upload_button']['#ajax']['wrapper'],
      'method' => 'replace',
      'effect' => 'fade',
    ),
  );

  return $element;
}

/**
 * A #filefield_value_callback function.
 *
 * No longer used.
 */
function filefield_source_elfinder_value($element, &$item) {
  if (isset($item['filefield_elfinder']['file_path']) && $item['filefield_elfinder']['file_path'] != '') {
    $field = field_info_field($element['#field_name']);

    $scheme = $field['settings']['uri_scheme'];
    $wrapper = file_stream_wrapper_get_instance_by_scheme($scheme);
    $file_directory_prefix = $wrapper->getDirectoryPath();
    $uri = preg_replace('/.*(' . preg_quote('/' . $file_directory_prefix . '/', '/') . ')/', $scheme . '://', $item['filefield_elfinder']['file_path']);

    // Resolve the file path to an FID.
    $fid = db_select('file_managed', 'f')
      ->condition('uri', rawurldecode($uri))
      ->fields('f', array('fid'))
      ->execute()
      ->fetchField();
    if ($fid) {
      $file = file_load($fid);
      if (filefield_sources_element_validate($element, $file)) {
        $item = array_merge($item, (array)$file);
      }
    } else {
      $local_root = elfinder_document_root() . '/' . $file_directory_prefix . '/';
      $file_path = preg_replace('/.*(' . preg_quote('/' . $file_directory_prefix . '/', '/') . ')/', $local_root, $item['filefield_elfinder']['file_path']);

      if ($file = filefield_sources_save_file($file_path, $element['#upload_validators'], $element['#upload_location'], FILE_EXISTS_REPLACE)) {
        $item = array_merge($item, (array)$file);
        drupal_set_message(t('File created'));
      } else {
        form_error($element, t('The selected file could not be used because the file does not exist in the database.'));
      }
    }
    // No matter what happens, clear the value from the file path field.
    $item['filefield_elfinder']['file_path'] = '';
  }
}

/**
 * Theme the output of the autocomplete field.
 */
function theme_filefield_source_elfinder_element($variables) {
  $element = $variables['element'];

  $output = drupal_render_children($element);

  return '<div class="filefield-source filefield-source-elfinder clear-block">' . $output . '</div>';
}

/**
 * Implementation of hook_elfinder_js_settings
 */
function elfinder_ffsel_elfinder_js_settings($settings) {
  /* for filefield_sources support */

  $newsettings = array();

  $newsettings['connectorUrl'] = url('elfinder/connector/relative');

  if (isset($_GET['field_name'])) {
    if (preg_match("/^[a-zA-z0-9_-]+$/", $_GET['field_name'])) {
      $newsettings['field_name'] = $_GET['field_name'];
    }
  }

  if (isset($_GET['filepath_id'])) {
    if (preg_match("/^[a-zA-z0-9_-]+$/", $_GET['filepath_id'])) {
      $newsettings['filepath_id'] = $_GET['filepath_id'];
    }
  }

  $newsettings['commandsOptions']['getfile']['onlyURL'] = TRUE;
  $newsettings['commandsOptions']['getfile']['multiple'] = TRUE;
  $newsettings['browserscripts'][] = drupal_get_path('module', 'elfinder_ffsel') . '/ffs.callback.js';
  $newsettings['editorCallback'] = 'elfinder_ffs_callback';

  return array('ffs' => $newsettings);
}

/**
 * Value handler that adds the files to the filefield values.
 *
 * Adapted from filefield_source_elfinder_value()
 * and filefield_sources_plupload_element_value()
 */
function elfinder_ffsel_element_value($element, $input = FALSE, &$form_state = NULL) {

  if (empty($input)) {
    return array();
  }

  $field_parents = array_slice($element['#array_parents'], 0, -3);
  $field_element = drupal_array_get_nested_value($form_state['complete form'], $field_parents);
  $field_name = $field_element['#field_name'];
  $langcode = $field_element['#language'];
  $field = field_info_field($field_name);

  $scheme = $field['settings']['uri_scheme'];
  $wrapper = file_stream_wrapper_get_instance_by_scheme($scheme);
  $file_directory_prefix = $wrapper->getDirectoryPath();

  // Get existing file values.
  // File Field items are stored in the field state starting from Drupal 7.9.
  $field_state = field_form_get_state($field_element['#field_parents'], $field_name, $langcode, $form_state);
  if (isset($field_state['items'])) {
    $items = $field_state['items'];
  } else {
    $items = drupal_array_get_nested_value($form_state['values'], $field_parents);
  }

  // Update field values with new files.
  $upload_delta = isset($field_element['#file_upload_delta']) ? $field_element['#file_upload_delta'] : 0;

  $files = explode('%%', $input);

  foreach ($files AS $delta => $file) {
    // Respect the field's count limit.
    if ($upload_delta == $field['cardinality']) {
      break;
    }
    $uri = preg_replace('/.*(' . preg_quote('/' . $file_directory_prefix . '/', '/') . ')/', $scheme . '://', $file);
    // Resolve the file path to an FID.
    $fid = db_select('file_managed', 'f')
      ->condition('uri', rawurldecode($uri))
      ->fields('f', array('fid'))
      ->execute()
      ->fetchField();
    if ($fid) {
      $file = file_load($fid);
      if (filefield_sources_element_validate($element, $file)) {
        $items[$upload_delta] = (array)$file;
        $items[$upload_delta]['_weight'] = $upload_delta;
        $upload_delta++;
      }
    } else {
      $local_root = elfinder_document_root() . '/' . $file_directory_prefix . '/';
      $file_path = preg_replace('/.*(' . preg_quote('/' . $file_directory_prefix . '/', '/') . ')/', $local_root, $file);

      if ($file = filefield_sources_save_file($file_path, $element['#upload_validators'], $element['#upload_location'], FILE_EXISTS_REPLACE)) {
        $items[$upload_delta] = (array)$file;
        $items[$upload_delta]['_weight'] = $upload_delta;
        $upload_delta++;
        drupal_set_message(t('File created'));
      } else {
        form_error($element, t('The selected file could not be used because the file does not exist in the database.'));
      }
    }
  }

  // Update form_state values.
  drupal_array_set_nested_value($form_state['values'], $field_parents, $items);

  // Update items.
  $field_state['items'] = $items;
  field_form_set_state($field_element['#field_parents'], $field_name, $langcode, $form_state, $field_state);

  return '';
}