Implements hook_block_view().

File

tripal/tripal.module, line 1133

The core Tripal module

Code

function tripal_block_view($delta = '') {
  global $base_path;
  $block = array();

  // The $delta parameter tells us which block is being requested.
  switch ($delta) {
    case 'powered_by_tripal':
      $size = variable_get('powered_by_tripal_size', 'small');
      $type = variable_get('powered_by_tripal_type', 'bw');

      $image = 'powered_by_tripal_bw_small.png';
      if ($size == 'small' and $type == 'col') {
        $image = 'powered_by_tripal_small.png';
      }
      if ($size == 'large' and $type == 'bw') {
        $image = 'powered_by_tripal_bw.png';
      }
      if ($size == 'large' and $type == 'col') {
        $image = 'powered_by_tripal.png';
      }

      $block['title'] = '';
      $block['content'] = array(
        '#markup' => '<a href="http://tripal.info"><img border="0" src="' . $base_path . drupal_get_path('module', 'tripal') . '/theme/images/' . $image . '"></a>',
      );
      break;
    case 'content_type_barchart':
      // The number of content types
      $entity_types = db_select('tripal_bundle', 'tb')
        ->fields('tb')
        ->execute()
        ->fetchAll();

      $entity_count_listing = array();

      // The number of entities per content type.
      foreach ($entity_types as $entity_types => $entity_type) {
        $result = db_select('chado_' . $entity_type->name, 'et')
          ->fields('et')
          ->execute();
        $number_of_entities = $result->rowCount();
        $entity_count_listing[$entity_types] = array(
          'name' => $entity_type->label,
          'count' => $number_of_entities,
        );
      }
      tripal_add_d3js();
      drupal_add_js(drupal_get_path('module', 'tripal') . '/theme/js/tripal.dashboard.js');
      drupal_add_css(drupal_get_path('module', 'tripal') . '/theme/css/tripal.dashboard.css');
      drupal_add_library('system', 'drupal.collapse');
      drupal_add_js("var entityCountListing = " . json_encode($entity_count_listing) . ";", array('type' => 'inline'));

      $output = "<div id=\"tripal-entity-types\" class=\"tripal-entity-types-pane\">
            <p>A list of the published Tripal content types and the number of each.</p>
            <div id=\"tripal-entity-type-chart\"></div>
          </div>";

      $block['title'] = '';
      $block['content'] = array(
        '#markup' => $output,
      );
      break;

    case 'notifications_block':
      // Create your block content here
      $block['content'] = '';

      // Prepare table header
      $header = array(
        'title' => array('data' => t('Title')),
        'details' => array('data' => t('Details')),
        'type' => array('data' => t('Type'), 'field' => 'tan.type'),
        'actions' => array('data' => t('Actions'))
      );

      $query = db_select('tripal_admin_notfications', 'tan')
        ->extend('TableSort');

      $results = $query->fields('tan')
        ->condition('enabled', 1, '=')
        ->orderByHeader($header)
        ->execute()->fetchAll();
      $rows = array();

      foreach ($results as $result) {
        $data['operation'] = ' | ';
        $data['operation'] .= l(t('Dismiss Notification'), 'admin/disable/notification/' . $result->note_id);

        $actions = unserialize($result->actions);
        foreach ($actions as $action) {
          $label = key($actions);
          $link = $action;
        }

        $rows[] = array(
          'Title' => $result->title,
          'Details' => $result->details,
          'Type' => $result->type,
          'Actions' => l(t($label), $link) . $data['operation'],
        );
      }
      if (!empty($rows)) {
        //Number of records shown in per page
        $per_page = 10;
        $current_page = pager_default_initialize(count($rows), $per_page);
        $chunks = array_chunk($rows, $per_page, TRUE);

        // Output of table with the paging
        $table = theme('table', 
        array(
          "header" => $header,
          "rows" => $chunks[$current_page],
          "attributes" => array(),
          "sticky" => TRUE,
          "caption" => "",
          "colgroups" => array(),
          "empty" => t("No notifications.")
        )
        );
        $table .= theme('pager', array('quantity', count($rows)));

        $fieldset_table = array(
          '#title' => t('Notifications'),
          '#collapsed' => FALSE,
          '#collapsible' => TRUE,
          '#attributes' => array('class' => array('collapsible')),
          '#children' => $table,
        );

        //return pager with limited number of records.
        $block['content'] = theme('fieldset', array('element' => $fieldset_table));
      }
      else {
        $block['content'] = 'There are no notifications at this time.';
      }
      $block['title'] = 'Tripal Administrative Notifications';
      break;
  }
  return $block;
}