media_browser_plus.pages.inc in Media Browser Plus 7

Common pages for the media browser plus module.

File

includes/media_browser_plus.pages.inc

<?php

/**
 * @file
 * Common pages for the media browser plus module.
 */

/**
 * Create a form to edit multiple file entities.
 *
 * @param $fids Array with file id's.
 */
function media_browser_plus_edit_multiple_form($fids) {
  $ids = explode(' ', $fids);
  $variables = array(
    'ids' => $ids,
    'paging' => FALSE,
    'apply_filter' => FALSE,
  );
  $media_items = media_browser_plus_load_multiple($variables)->results;

  // Produce form via multiform.
  module_load_include('inc', 'media', 'includes/media.pages');
  $form = media_page_multiedit($media_items);

  // @TODO: change to normale redirect once this works with multiform
  if (isset($_POST['op'])) {
    if (isset($_GET['destination'])) {
      $destination = drupal_get_destination();
      unset($_GET['destination']);
    }
    $destination = isset($destination['destination']) ? $destination['destination'] : 'admin/content/media';
    if ($_POST['op'] === 'Save' && !form_get_errors()) {
      drupal_set_message(t('Media items changed successfully'));
      drupal_goto($destination);
    }
    if ($_POST['op'] === 'Cancel') {
      drupal_goto($destination);
    }
  }
  return $form;
}

/**
 * Provide a form to confirm the deletion of multiple file entites.
 *
 * @param $form
 * @param $form_state
 * @param $fids
 */
function media_browser_plus_delete_multiple_form($form, &$form_state, $fids) {

  // media_multiple_delete_confirm($form, &$form_state, $files
  $files = array();
  foreach (explode(' ', $fids) as $key => $value) {
    $files[$value] = $value;
  }
  module_load_include('inc', 'media', 'includes/media.pages');
  $form = media_multiple_delete_confirm($form, $form_state, $files);
  return $form;
}

/**
 * Provide a preview matching to the available resolution of the screen.
 *
 * @param $form
 * @param $form_state
 * @param $media
 */
function media_browser_plus_media_preview($form, &$form_state, $media) {
  if ($media->type == 'image') {
    $max_width = (int) $_POST['maxWidth'];
    $max_height = (int) $_POST['maxHeight'];

    // echo drupal_render($form['preview']);
    list($sx, $sy) = getimagesize(drupal_realpath($media->uri));
    if ($sx > $max_width) {
      $ratio = bcdiv($max_width, $sx, 5);
      $sx = $max_width;
      $sy = bcmul($sy, $ratio, 0);
    }
    if ($sy > $max_height) {
      $ratio = bcdiv($max_height, $sy, 5);
      $sy = $max_height;
      $sx = bcmul($sx, $ratio, 0);
    }
    $uri = '';
    if (strstr($media->uri, 'private://')) {
      $stream = new DrupalPrivateStreamWrapper();
    }
    else {
      $stream = new DrupalPublicStreamWrapper();
    }
    $stream
      ->setUri($media->uri);
    $uri = $stream
      ->getExternalUrl($media->uri);
    echo '<div class="preview-metadata" title="' . $media->filename . '">' . '<img width="' . $sx . '" height="' . $sy . '" src="' . $uri . '" /></div>';
  }
  else {
    $form['preview'] = media_get_thumbnail_preview(file_load($media->fid), TRUE);
    echo drupal_render($form['preview']);
  }
  die;
}

/**
 * Simply redirect the user to the thumbnailview.
 * @param $form
 * @param $form_state
 */
function media_browser_plus_media_preview_submit($form, &$form_state) {
  $form_state['redirect'] = 'admin/content/media/thumbnails';
}

/**
 * @todo Document what this function does.
 *
 */
function media_browser_plus_media_filter() {
  $form = array();
  $path = drupal_get_path('module', 'media_browser_plus');
  $form['#attached']['js'][] = $path . '/js/media_browser_plus.filter.js';
  $form['#attached']['css'][] = $path . '/css/media_browser_plus.filter.css';

  // Getting the media folders for filter selection
  $folders = _media_browser_plus_folder_list();

  // Setting default filter selections - overwritten when a filter is active.
  $selected_types = array_keys(media_type_get_types());
  $selected_folders = array_keys($folders);

  // Apply filter settings.
  if (isset($_SESSION['media-filter'])) {
    if (count($_SESSION['media-filter']['type'])) {
      $selected_types = explode(',', $_SESSION['media-filter']['type']);
    }
    if (count($_SESSION['media-filter']['field_folder'])) {
      $selected_folders = $_SESSION['media-filter']['field_folder'];
    }
  }

  // Check for tags.
  $field_tags = '';
  if (isset($_SESSION['media-filter']['field_tags']) && count($_SESSION['media-filter']['field_tags'])) {

    // Use name buffer array to be able to nicely implode with clean comma
    // seperation.
    $names = array();
    foreach ($_SESSION['media-filter']['field_tags'] as $tid) {
      $term = taxonomy_term_load($tid);
      $names[] = $term->name;
    }
    $field_tags = implode(', ', $names);
  }

  // Get media types.
  $types = media_type_get_types();
  $media_types = array();

  // User labels as display and value for backend.
  foreach ($types as $value => $type) {
    $access = TRUE;
    foreach (module_implements('media_type_access') as $module) {
      $access = module_invoke($module, 'media_type_access', $type);
      if ($access === FALSE) {
        break;
      }
      else {
        $access = TRUE;
      }
    }
    if ($access) {
      $media_types[$value] = $type->label;
    }
  }
  $close = 0;
  if (isset($_SESSION['media-filter-autoclose'])) {
    $close = (int) $_SESSION['media-filter-autoclose'];
  }
  $settings['media_browser_plus'] = array(
    'autoclose' => $close,
  );

  // Reset otherwise it always auto closes.
  unset($_SESSION['media-filter-autoclose']);

  // Attach settings.
  $form['#attached']['js'][] = array(
    'type' => 'setting',
    'data' => $settings,
  );
  $form['filter'] = array(
    '#type' => 'fieldset',
    '#title' => isset($_SESSION['media-filter']) ? t('Show only items where') : t('Create Filter'),
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
    '#weight' => -10,
    '#prefix' => '<div id="media-preview-wrapper">',
    '#suffix' => '</div>',
    '#attributes' => array(
      'id' => 'media-filter',
    ),
    'column_one' => array(
      '#type' => 'container',
      '#prefix' => '<div style="float:left; padding-right: 20px;">',
      '#suffix' => '</div>',
      '#attributes' => array(),
      'filename' => array(
        '#type' => 'textfield',
        '#title' => t('Title'),
        '#maxlength' => 125,
        '#size' => 40,
        '#value' => isset($_SESSION['media-filter']['filename']) ? $_SESSION['media-filter']['filename'] : '',
        '#required' => FALSE,
      ),
      'field_tags' => array(
        '#attributes' => array(
          'id' => 'media-field-tags-filter',
        ),
        '#type' => 'textfield',
        '#value' => $field_tags,
        '#field_name' => 'field_tags',
        '#columns' => array(
          'tid',
        ),
        '#title' => t('Tags'),
        '#size' => 40,
        '#description' => t('Enter a comma-separated list of words to filter your media.'),
        '#required' => FALSE,
        '#delta' => 0,
        '#language' => LANGUAGE_NONE,
        '#type' => 'textfield',
        '#autocomplete_path' => 'taxonomy/autocomplete/field_tags',
        '#element_validate' => array(
          'media_browser_plus_prepare_taxonomy_autocomplete_validate',
          'taxonomy_autocomplete_validate',
        ),
      ),
      'prevent_autoclose' => array(
        '#type' => 'checkbox',
        '#weight' => 10,
        '#attributes' => array(
          'id' => array(
            'media-filter-autoclose',
          ),
        ),
        '#title' => t('prevent window from closing after form submit'),
        '#default_value' => isset($_SESSION['media-filter']['prevent_autoclose']) ? (int) $_SESSION['media-filter']['prevent_autoclose'] : 0,
      ),
    ),
    'column_two' => array(
      '#type' => 'container',
      '#prefix' => '<div style="float:left; padding-right: 20px;">',
      '#suffix' => '</div>',
      '#attributes' => array(),
      'criterias' => array(
        '#type' => 'container',
        '#attributes' => array(),
        'media_type' => array(
          '#type' => 'select',
          '#title' => t('Media Type'),
          '#multiple' => TRUE,
          '#options' => $media_types,
          '#default_value' => $selected_types,
          '#weight' => 5,
          '#required' => FALSE,
          '#attributes' => array(
            'class' => array(
              'media-filter-select',
            ),
          ),
          '#prefix' => '<div style="float:left; padding-right: 20px;">',
          '#suffix' => '</div>',
        ),
        'field_folder' => array(
          '#type' => 'select',
          '#title' => t('Media Folder'),
          '#multiple' => TRUE,
          '#required' => FALSE,
          '#options' => $folders,
          '#default_value' => $selected_folders,
          '#weight' => 6,
          '#attributes' => array(
            'class' => array(
              'media-filter-select',
            ),
          ),
          '#prefix' => '<div style="float:left; padding-right: 20px;">',
          '#suffix' => '</div>',
        ),
        'include_subfolders' => array(
          '#type' => 'checkbox',
          '#weight' => 10,
          '#attributes' => array(
            'class' => array(
              'media-filter',
            ),
          ),
          '#title' => t('include subfolders of selected folders'),
          '#default_value' => isset($_SESSION['media-filter']['include_subfolders']) ? $_SESSION['media-filter']['include_subfolders'] : 0,
        ),
      ),
    ),
    'column_three' => array(
      '#type' => 'container',
      '#prefix' => '<div style="float:left; padding-right: 20px;">',
      '#suffix' => '</div>',
      '#attributes' => array(),
      'submit' => array(
        '#type' => 'submit',
        '#value' => isset($_SESSION['media-filter']) ? t('Update Filter') : t('Create Filter'),
        '#submit' => array(
          'media_browser_plus_media_filter_submit',
        ),
        '#limit_validation_errors' => array(),
        '#validate' => array(
          'media_browser_plus_media_filter_validate',
        ),
        '#prefix' => '<div>',
        '#suffix' => '</div>',
      ),
    ),
  );
  if (isset($_SESSION['media-filter'])) {
    $form['filter']['column_three']['clear'] = array(
      '#type' => 'submit',
      '#value' => t('Reset Filter'),
      '#submit' => array(
        'media_browser_plus_media_filter_clear',
      ),
      '#limit_validation_errors' => array(),
      '#validate' => array(
        'media_browser_plus_media_filter_validate',
      ),
      '#prefix' => '<div>',
      '#suffix' => '</div>',
    );
  }
  return $form;
}

/**
 * Called when the filter form is submitted.
 *
 * Adds filter to session and redirects back to callee.
 *
 * @param $argument
 */
function media_browser_plus_media_filter_submit($form, &$form_state) {

  // Process filter.
  $_SESSION['media-filter']['filename'] = check_plain($form_state['input']['filename']);
  $_SESSION['media-filter']['type'] = count($form_state['input']['media_type']) > 0 ? implode(',', $form_state['input']['media_type']) : implode(',', array_keys(media_type_get_types()));
  $_SESSION['media-filter']['include_subfolders'] = $form_state['input']['include_subfolders'];
  $tags = check_plain($form_state['input']['field_tags']);
  $tags = explode(',', $tags);
  $vocabulary = taxonomy_vocabulary_machine_name_load('tags');

  // Process tags filter entry.
  $_SESSION['media-filter']['field_tags'] = array();
  foreach ($tags as $tag) {

    // Check if tag exists.
    $result = db_query('SELECT tid FROM {taxonomy_term_data} ttd WHERE ttd.name = :name AND ttd.vid = :vocabulary', array(
      'name' => trim($tag),
      'vocabulary' => $vocabulary->vid,
    ));
    foreach ($result as $item) {
      $_SESSION['media-filter']['field_tags'][] = $item->tid;
    }
  }
  $temp = array();
  $vocabulary = taxonomy_vocabulary_machine_name_load('media_folders');

  // Check field_folder.
  if (count($form_state['input']['field_folder']) == 0) {
    $all = taxonomy_get_tree($vocabulary->vid);
    foreach ($all as $key => $term) {
      $temp[$term->tid] = $term->tid;
    }
  }
  else {
    foreach ($form_state['input']['field_folder'] as $key => $value) {
      $tid = $value;
      $temp[$tid] = $tid;
      if ($form_state['input']['include_subfolders']) {
        $children = taxonomy_get_tree($vocabulary->vid, $tid);
        foreach ($children as $key => $term) {
          $temp[$term->tid] = $term->tid;
        }
      }
    }
  }
  $_SESSION['media-filter']['field_folder'] = array_keys($temp);

  // go back to media overview
  // $form_state['redirect'] = array('admin/content/media');
}

/**
 * Validates the filter form
 *
 * @param $form
 * @param $form_state
 */
function media_browser_plus_media_filter_validate($form, &$form_state) {

  // @todo: implement filter minimum check
  // Set auto close.
  $_SESSION['media-filter-autoclose'] = (int) $form_state['input']['prevent_autoclose'] == 1 ? 0 : 1;
}

/**
 * Called when the filter form is submitted.
 * Adds filter to session and redirects back to callee
 *
 * @param $argument
 */
function media_browser_plus_media_filter_clear($form, &$form_state) {

  // Remove filter.
  unset($_SESSION['media-filter']);

  // go back to media overview
  // $form_state['redirect'] = array('admin/content/media');
}

Functions

Name	Description
media_browser_plus_delete_multiple_form	Provide a form to confirm the deletion of multiple file entites.
media_browser_plus_edit_multiple_form	Create a form to edit multiple file entities.
media_browser_plus_media_filter	@todo Document what this function does.
media_browser_plus_media_filter_clear	Called when the filter form is submitted. Adds filter to session and redirects back to callee
media_browser_plus_media_filter_submit	Called when the filter form is submitted.
media_browser_plus_media_filter_validate	Validates the filter form
media_browser_plus_media_preview	Provide a preview matching to the available resolution of the screen.
media_browser_plus_media_preview_submit	Simply redirect the user to the thumbnailview.