function _modernizr_load_generate in Modernizr 7.3

Same name and namespace in other branches

1. 8 modernizr.module \_modernizr_load_generate()

Helper function to render the yepnope() calls.

1 call to _modernizr_load_generate()

modernizr_page_build in ./modernizr.module

Implements hook_page_build().

File

./modernizr.module, line 437

Main module file for Modernizr

Code

function _modernizr_load_generate() {
  $output = FALSE;

  // Get yepnope() calls from the active theme.
  $theme = modernizr_load_data();

  // Collect data from modules that implement hook_modernizr_load().
  $modules = modernizr_load_list();

  // Combine the data from the .info file and the Drupal modules.
  // Themes go first because they are more visual and in most cases
  // it's probably best to load them first. Modules whose assets
  // truly need to be loaded first have hook_modernizr_load_alter()
  // at their disposal.
  $test_objects = array_merge($theme, $modules);

  // Build the yepnope() commands.
  if (count($test_objects)) {
    $num_tests = 0;
    $items = array();
    foreach ($test_objects as $load) {

      // If test is defined, this entry will be an object.
      if (isset($load['test'])) {
        $item = '{' . "\n";
        $item .= '  test: ' . $load['test'] . ',' . "\n";

        // Print each action and its resources
        $actions = array(
          'yep',
          'nope',
          'both',
          'load',
        );
        foreach ($actions as $action) {
          if (isset($load[$action])) {

            // Begin output for this action
            $item .= '  ' . sprintf('%-4s', $action) . ': ';

            // How many resources for this action?
            if (count($load[$action]) == 1) {

              // Single resource
              $item .= "'" . $load[$action][0] . "',\n";
            }
            else {

              // Multiple resources
              $item .= '[';
              foreach ($load[$action] as $resource) {
                $item .= "'" . $resource . "',";
              }

              // Truncate last comma
              $item = substr($item, 0, -1);
              $item .= "],\n";
            }
          }
        }

        // Output these two properties without quotes around the output
        $callbacks = array(
          'callback',
          'complete',
        );
        foreach ($callbacks as $action) {
          if (isset($load[$action])) {

            // Begin output for this action
            $item .= '  ' . sprintf('%-4s', $action) . ': ';

            // How many callbacks for this action?
            if (count($load[$action]) == 1) {

              // Single resource
              $item .= $load[$action][0] . ",\n";
            }
            else {

              // Multiple resources
              $item .= '[';
              foreach ($load[$action] as $callback) {
                $item .= $callback . ",";
              }

              // Truncate last comma
              $item = substr($item, 0, -1);
              $item .= "],\n";
            }
          }
        }

        // Truncate last comma and newline
        $item = substr($item, 0, -2);
        $item .= "\n}";
        $num_tests++;
      }
      else {
        $resources = array();
        foreach ($load as $resource) {
          $resources[] = "'" . $resource . "'";
        }
        $item = implode(",\n", $resources);
        $num_tests++;
      }
      $items[] = $item;
    }
    $output .= 'yepnope(';

    // Issue commands as array if there is more than resource to load.
    $output .= $num_tests > 1 ? '[' : '';

    // Add commands.
    $output .= implode(",\n", $items);

    // Finally, close the yepnope() function parenthesis.
    $output .= $num_tests > 1 ? ']' : '';
    $output .= ');';
  }
  return $output;
}