function _css3pie_build_css3pie_css in css3pie 7.2

Same name and namespace in other branches

1. 6 css3pie.module \_css3pie_build_css3pie_css()

helper function get all selectors and generates content for css file

Parameters

<type> $css:

Return value

<type> path to new created file

1 call to _css3pie_build_css3pie_css()

css3pie_preprocess_html in ./css3pie.module

theme preprocess to add the css file

File

./css3pie.module, line 190

css3pie.module a very simple Drupal module to implement the css3pie.com javascript to your drupal and make the css selectors configurable over ui. This module creates a real css file on drupal files folder and add them via drupal_add_css.

Code

function _css3pie_build_css3pie_css() {
  $cache = cache_get(CSS3PIE_CSS_CACHE_KEY);
  if (!empty($cache) && !empty($cache->data)) {

    // Try to get that CSS file from ctools.
    if ($filename = ctools_css_retrieve($cache->data)) {
      return $filename;
    }
  }

  // Otherwise we actually need to compute the ID of the stored CSS.
  $output = '';

  // invoke hook_css3pie in all modules to get the selectors
  $css3pie_selectors = module_invoke_all('css3pie');
  if ($css3pie_selectors) {
    $show_namespaces_as_comments = variable_get('css3pie_css_comment', TRUE);
    $cnt_namespaces = count($css3pie_selectors);
    $i = 0;
    foreach ($css3pie_selectors as $namespace => $selectors) {
      $i++;
      if ($show_namespaces_as_comments) {
        $output .= '/* ' . $namespace . ' */' . "\n";
      }
      $output .= implode(', ', $selectors);
      if ($i < $cnt_namespaces) {
        $output .= ',' . "\n";
      }
    }

    // Check if php wrapper mode is wanted...
    if (!variable_get('css3pie_css_use_js_mode')) {
      if (!variable_get('css3pie_css_use_php_wrapper', FALSE)) {
        $css3library = drupal_get_library('css3pie', 'css3pie_htc');
      }
      else {
        $css3library = drupal_get_library('css3pie', 'css3pie_php');
      }
    }

    // get file from library array because the filename is in the key..
    $css3file = '';
    foreach ($css3library['js'] as $file => $options) {
      $css3file = $file;
    }

    // @TODO: fix hard key search in array
    $output .= "\n" . '{' . "\n" . '  behavior: url(' . base_path() . $css3file . ');' . "\n" . '}';
  }

  // Hash the CSS that is stored to generate the CTools CSS ID.
  $id = md5($output);
  cache_set(CSS3PIE_CSS_CACHE_KEY, $id);

  // Try to get the file from CTools.
  if ($filename = ctools_css_retrieve($id)) {
    return $filename;
  }
  else {

    // Otherwise store in the CTools CSS store.
    return ctools_css_store($id, $output, FALSE);
  }
}