function cumulus_block_view in Cumulus 7

Implements hook_block_view().

File

./cumulus.module, line 108

The brain of Cumulus.

Code

function cumulus_block_view($delta) {
  $config = cumulus_get_config($delta);
  $vocs = $config['vid'];
  if (is_numeric($vocs)) {
    $vocs = array(
      $vocs,
    );
  }
  elseif (preg_match('/^([0-9]+,){1,5}[0-9]+$/', $vocs)) {
    $vocs = explode(',', $vocs);
  }
  else {
    $vocs = array(
      1,
    );
  }
  $tags = tagadelic_get_weighted_tags($vocs, $config['tagadelic_step'], $config['tagadelic_limit']);
  $tags = tagadelic_sort_tags($tags);
  $tags_formatted_flash = theme('cumulus_weighted', array(
    'terms' => $tags,
    'config' => $config,
  ));
  $tags_formatted_alt = theme('tagadelic_weighted', array(
    'terms' => $tags,
  ));
  $js = drupal_get_path('module', 'cumulus') . '/cumulus.js';
  if (file_exists($js)) {
    drupal_add_js($js, array(
      'preprocess' => FALSE,
    ));
  }
  else {
    drupal_set_message(t('The file @folder is missing. Please download swfobject v1.x and add it to the Cumulus module folder! Download links are listed in the README.txt', array(
      '@folder' => $js,
    )), 'error');
  }
  if (!$config['vid']) {
    drupal_set_message(t('You haven\'t yet configured and saved the Cumulus settings on !link. Cumulus might not work properly!', array(
      '!link' => l('your blocks configuration page', 'admin/structure/block/configure/cumulus/0'),
    )), 'warning');
  }

  // Flash params
  $param = array(
    'path_to_flash' => base_path() . drupal_get_path('module', 'cumulus') . '/cumulus.swf',
    'width' => $config['flash_width'],
    'height' => $config['flash_height'],
    'background' => $config['flash_background'],
    'color' => '0x' . $config['flash_color'],
    'color2' => '0x' . $config['flash_color2'],
    'hicolor' => '0x' . $config['flash_hicolor'],
    'speed' => $config['flash_speed'],
    'distribute' => $config['flash_distribute'],
    'transparency' => $config['flash_transparency'],
  );
  if ($config['flash_transparency'] == 'true') {
    $param['transparency'] = 'widget_so.addParam("wmode", "transparent");';
  }

  // link to view with additional tags
  $links['more'] = l(t('more tags'), 'tagadelic/chunk/' . $config['vid']);

  // output content
  $blocks['subject'] = t('Cumulus Tag Cloud');

  // param with value 9 indicates required version of flash player - see http://blog.deconcept.com/swfobject/
  $blocks['content'] = <<<EOT
        <div id="tags">
        {<span class="php-variable">$tags_formatted_alt</span>}
        <script type="text/javascript">
          var rnumber = Math.floor(Math.random()*9999999);
          var widget_so = new SWFObject("{<span class="php-variable">$param</span>[<span class="php-string">'path_to_flash'</span>]}?r="+rnumber, "cumulusflash", "{<span class="php-variable">$param</span>[<span class="php-string">'width'</span>]}", "{<span class="php-variable">$param</span>[<span class="php-string">'height'</span>]}", "9", "{<span class="php-variable">$param</span>[<span class="php-string">'background'</span>]}");
          {<span class="php-variable">$param</span>[<span class="php-string">'transparency'</span>]}
          widget_so.addParam("allowScriptAccess", "always");
          widget_so.addVariable("tcolor", "{<span class="php-variable">$param</span>[<span class="php-string">'color'</span>]}");
          widget_so.addVariable("tcolor2", "{<span class="php-variable">$param</span>[<span class="php-string">'color2'</span>]}");
          widget_so.addVariable("hicolor", "{<span class="php-variable">$param</span>[<span class="php-string">'hicolor'</span>]}");
          widget_so.addVariable("tspeed", "{<span class="php-variable">$param</span>[<span class="php-string">'speed'</span>]}");
          widget_so.addVariable("distr", "{<span class="php-variable">$param</span>[<span class="php-string">'distribute'</span>]}");
          widget_so.addVariable("mode", "tags");
          widget_so.addVariable("tagcloud", "{<span class="php-variable">$tags_formatted_flash</span>}");
          widget_so.write("tags");
        </script>
        </div>
        <div class="more-link">{<span class="php-variable">$links</span>[<span class="php-string">'more'</span>]}</div>
EOT;
  return $blocks;
}