islandora_video_embed.module

<?php

/**
 * @file
 * Main hooks for Islandora Video Embed.
 */

/**
 * Implements hook_menu().
 */
function islandora_video_embed_menu() {
  return array(
    'admin/islandora/tools/video_embed' => array(
      'title' => 'Islandora Video Embed',
      'description' => 'Configure Islandora Video Embed settings.',
      'page callback' => 'drupal_get_form',
      'page arguments' => array('islandora_video_embed_admin_form'),
      'access arguments' => array('administer site configuration'),
    ),
  );
}

/**
 * Generates admin form.
 */
function islandora_video_embed_admin_form($form, $form_settings) {
  $form['islandora_video_embed_linktext'] = array(
    '#type' => 'textfield',
    '#title' => t('Link text for embed block'),
    '#description' => t('The clickable text that appears in the block.'),
    '#default_value' => variable_get('islandora_video_embed_linktext', 'Video embed code'),
  );

  return system_settings_form($form);
}

/**
 * Implements hook_block_info().
 *
 * Creates blocks.
 */
function islandora_video_embed_block_info() {
  return array(
    'video_embed_object' => array(
      'visibility' => BLOCK_VISIBILITY_LISTED,
      'pages' => 'islandora/object/*',
      'info' => t('Video embed code'),
    ),
  );
}

/**
 * Implements hook_block_view().
 */
function islandora_video_embed_block_view($delta) {
  $to_render = array();

  drupal_add_js('misc/collapse.js');
  drupal_add_js('misc/form.js');

  $object = menu_get_object('islandora_object', 2);

  // Only display the block on Video and Audio objects.
  if (!in_array("islandora:sp_videoCModel", $object->models) && !in_array("islandora:sp-audioCModel", $object->models)) {
    return;
  }
  global $base_url;
  $pid = $object->id;
  $embed_code = "";
  $collapsed = 'collapsed';

  if (in_array("islandora:sp_videoCModel", $object->models)) {
    $dsid = "MP4";
    $width = "320";
    $height = "240";
    $legend = variable_get('islandora_video_embed_linktext', 'Video embed code');
    $video_url = $base_url . '/islandora/object/' . $pid . '/datastream/' . $dsid . '/download/file.mp4';

    $embed_code = '<p><i>Copy the HTML below and paste it where you wish to embed the video.</i></p>
      &lt;video width="' . $width . '" height="' . $height . '" controls&gt; <br/>
      &lt;source src="' . $video_url . '" type="video/mp4"&gt; <br/>
      &lt;/video&gt;';

  }
  elseif (in_array("islandora:sp-audioCModel", $object->models)) {
    $dsid = "PROXY_MP3";
    $legend = variable_get('islandora_video_embed_linktext', 'Audio embed code');
    $audio_url = $base_url . '/islandora/object/' . $pid . '/datastream/' . $dsid . '/download/file.mp3';

    $embed_code = '<p><i>Copy the HTML below and paste it where you wish to embed the audio.</i></p>
      &lt;audio controls&gt; <br/>
      &lt;source src="' . $audio_url . '" type="audio/mpeg"&gt; <br/>
      &lt;/audio&gt;';
  }
  $embed_code =
  '<fieldset class="islandora collapsible ' . $collapsed . '">' .
  '<legend><span class="fieldset-legend">' . $legend . '</span></legend><div class="fieldset-wrapper">' .
  $embed_code . '</div></fieldset>';

  $to_render['content'] = $embed_code;

  return $to_render;
}