template.php

   1 <?php
   2
   3 /**
   4  * Here we override the default HTML output of drupal.
   5  * refer to http://drupal.org/node/550722
   6  */
   7
   8 // Auto-rebuild the theme registry during theme development.
   9 if (theme_get_setting('clear_registry')) {
  10   // Rebuild .info data.
  11   system_rebuild_theme_data();
  12   // Rebuild theme registry.
  13   drupal_theme_rebuild();
  14 }
  15
  16 // Add Zen Tabs styles
  17 if (theme_get_setting('basic_tabs')) {
  18   drupal_add_css( drupal_get_path('theme', 'basic') .'/css/tabs.css');
  19 }
  20
  21 function basic_preprocess_html(&$vars) {
  22   if (theme_get_setting('basic_ie_enabled')) {
  23     $basic_ie_enabled_versions = theme_get_setting('basic_ie_enabled_versions');
  24     if (in_array('ie8', $basic_ie_enabled_versions, TRUE)) {
  25       drupal_add_css(path_to_theme() . '/css/ie8.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'IE 8', '!IE' => FALSE), 'preprocess' => FALSE));
  26       drupal_add_js(path_to_theme() . '/js/selectivizr.js');
  27     }
  28     if (in_array('ie9', $basic_ie_enabled_versions, TRUE)) {
  29       drupal_add_css(path_to_theme() . '/css/ie9.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'IE 9', '!IE' => FALSE), 'preprocess' => FALSE));
  30     }
  31   }
  32 }
  33
  34 function basic_preprocess_page(&$vars, $hook) {
  35   if (isset($vars['node_title'])) {
  36     $vars['title'] = $vars['node_title'];
  37   }
  38   // Adding a class to #page in wireframe mode
  39   if (theme_get_setting('wireframe_mode')) {
  40     $vars['classes_array'][] = 'wireframe-mode';
  41   }
  42   // Adding classes wether #navigation is here or not
  43   if (!empty($vars['main_menu']) or !empty($vars['sub_menu'])) {
  44     $vars['classes_array'][] = 'with-navigation';
  45   }
  46   if (!empty($vars['secondary_menu'])) {
  47     $vars['classes_array'][] = 'with-subnav';
  48   }
  49
  50   // Add first/last classes to node listings about to be rendered.
  51   if (isset($vars['page']['content']['system_main']['nodes'])) {
  52     // All nids about to be loaded (without the #sorted attribute).
  53     $nids = element_children($vars['page']['content']['system_main']['nodes']);
  54     // Only add first/last classes if there is more than 1 node being rendered.
  55     if (count($nids) > 1) {
  56       $first_nid = reset($nids);
  57       $last_nid = end($nids);
  58       $first_node = $vars['page']['content']['system_main']['nodes'][$first_nid]['#node'];
  59       $first_node->classes_array = array('first');
  60       $last_node = $vars['page']['content']['system_main']['nodes'][$last_nid]['#node'];
  61       $last_node->classes_array = array('last');
  62     }
  63   }
  64 }
  65
  66 function basic_preprocess_node(&$vars) {
  67   // Add a striping class.
  68   $vars['classes_array'][] = 'node-' . $vars['zebra'];
  69
  70   // Add $unpublished variable.
  71   $vars['unpublished'] = (!$vars['status']) ? TRUE : FALSE;
  72
  73   // Merge first/last class (from basic_preprocess_page) into classes array of current node object.
  74   $node = $vars['node'];
  75   if (!empty($node->classes_array)) {
  76     $vars['classes_array'] = array_merge($vars['classes_array'], $node->classes_array);
  77   }
  78 }
  79
  80 function basic_preprocess_block(&$vars, $hook) {
  81   // Add a striping class.
  82   $vars['classes_array'][] = 'block-' . $vars['block_zebra'];
  83
  84   // Add first/last block classes
  85   $first_last = "";
  86   // If block id (count) is 1, it's first in region.
  87   if ($vars['block_id'] == '1') {
  88     $first_last = "first";
  89     $vars['classes_array'][] = $first_last;
  90   }
  91   // Count amount of blocks about to be rendered in that region.
  92   $block_count = count(block_list($vars['elements']['#block']->region));
  93   if ($vars['block_id'] == $block_count) {
  94     $first_last = "last";
  95     $vars['classes_array'][] = $first_last;
  96   }
  97 }
  98
  99 /**
 100  * Return a themed breadcrumb trail.
 101  *
 102  * @param $breadcrumb
 103  *   An array containing the breadcrumb links.
 104  * @return
 105  *   A string containing the breadcrumb output.
 106  */
 107 function basic_breadcrumb($variables) {
 108   $breadcrumb = $variables['breadcrumb'];
 109   // Determine if we are to display the breadcrumb.
 110   $show_breadcrumb = theme_get_setting('basic_breadcrumb');
 111   if ($show_breadcrumb == 'yes' || $show_breadcrumb == 'admin' && arg(0) == 'admin') {
 112
 113     // Optionally get rid of the homepage link.
 114     $show_breadcrumb_home = theme_get_setting('basic_breadcrumb_home');
 115     if (!$show_breadcrumb_home) {
 116       array_shift($breadcrumb);
 117     }
 118
 119     // Return the breadcrumb with separators.
 120     if (!empty($breadcrumb)) {
 121       $breadcrumb_separator = theme_get_setting('basic_breadcrumb_separator');
 122       $trailing_separator = $title = '';
 123       if (theme_get_setting('basic_breadcrumb_title')) {
 124         $item = menu_get_item();
 125         if (!empty($item['tab_parent'])) {
 126           // If we are on a non-default tab, use the tab's title.
 127           $title = check_plain($item['title']);
 128         }
 129         else {
 130           $title = drupal_get_title();
 131         }
 132         if ($title) {
 133           $trailing_separator = $breadcrumb_separator;
 134         }
 135       }
 136       elseif (theme_get_setting('basic_breadcrumb_trailing')) {
 137         $trailing_separator = $breadcrumb_separator;
 138       }
 139
 140       // Provide a navigational heading to give context for breadcrumb links to
 141       // screen-reader users. Make the heading invisible with .element-invisible.
 142       $heading = '<h2 class="element-invisible">' . t('You are here') . '</h2>';
 143
 144       return $heading . '<div class="breadcrumb">' . implode($breadcrumb_separator, $breadcrumb) . $trailing_separator . $title . '</div>';
 145     }
 146   }
 147   // Otherwise, return an empty string.
 148   return '';
 149 }
 150
 151 /**
 152  * Converts a string to a suitable html ID attribute.
 153  *
 154  * http://www.w3.org/TR/html4/struct/global.html#h-7.5.2 specifies what makes a
 155  * valid ID attribute in HTML. This function:
 156  *
 157  * - Ensure an ID starts with an alpha character by optionally adding an 'n'.
 158  * - Replaces any character except A-Z, numbers, and underscores with dashes.
 159  * - Converts entire string to lowercase.
 160  *
 161  * @param $string
 162  *  The string
 163  * @return
 164  *  The converted string
 165  */
 166 function basic_id_safe($string) {
 167   // Replace with dashes anything that isn't A-Z, numbers, dashes, or underscores.
 168   $string = strtolower(preg_replace('/[^a-zA-Z0-9_-]+/', '-', $string));
 169   // If the first character is not a-z, add 'n' in front.
 170   if (!ctype_lower($string{0})) { // Don't use ctype_alpha since its locale aware.
 171     $string = 'id'. $string;
 172   }
 173   return $string;
 174 }
 175
 176 /**
 177  * Generate the HTML output for a menu link and submenu.
 178  *
 179  * @param $variables
 180  *  An associative array containing:
 181  *   - element: Structured array data for a menu link.
 182  *
 183  * @return
 184  *  A themed HTML string.
 185  *
 186  * @ingroup themeable
 187  *
 188  */
 189 function basic_menu_link(array $variables) {
 190   $element = $variables['element'];
 191   $sub_menu = '';
 192
 193   if ($element['#below']) {
 194     $sub_menu = drupal_render($element['#below']);
 195   }
 196   $output = l($element['#title'], $element['#href'], $element['#localized_options']);
 197   // Adding a class depending on the TITLE of the link (not constant)
 198   $element['#attributes']['class'][] = basic_id_safe($element['#title']);
 199   // Adding a class depending on the ID of the link (constant)
 200   $element['#attributes']['class'][] = 'mid-' . $element['#original_link']['mlid'];
 201   return '<li' . drupal_attributes($element['#attributes']) . '>' . $output . $sub_menu . "</li>\n";
 202 }
 203
 204 /**
 205  * Override or insert variables into theme_menu_local_task().
 206  */
 207 function basic_preprocess_menu_local_task(&$variables) {
 208   $link =& $variables['element']['#link'];
 209
 210   // If the link does not contain HTML already, check_plain() it now.
 211   // After we set 'html'=TRUE the link will not be sanitized by l().
 212   if (empty($link['localized_options']['html'])) {
 213     $link['title'] = check_plain($link['title']);
 214   }
 215   $link['localized_options']['html'] = TRUE;
 216   $link['title'] = '<span class="tab">' . $link['title'] . '</span>';
 217 }
 218
 219 /**
 220  * Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
 221  */
 222 function basic_menu_local_tasks(&$variables) {
 223   $output = '';
 224
 225   if (!empty($variables['primary'])) {
 226     $variables['primary']['#prefix'] = '<h2 class="element-invisible">' . t('Primary tabs') . '</h2>';
 227     $variables['primary']['#prefix'] .= '<ul class="tabs primary clearfix">';
 228     $variables['primary']['#suffix'] = '</ul>';
 229     $output .= drupal_render($variables['primary']);
 230   }
 231   if (!empty($variables['secondary'])) {
 232     $variables['secondary']['#prefix'] = '<h2 class="element-invisible">' . t('Secondary tabs') . '</h2>';
 233     $variables['secondary']['#prefix'] .= '<ul class="tabs secondary clearfix">';
 234     $variables['secondary']['#suffix'] = '</ul>';
 235     $output .= drupal_render($variables['secondary']);
 236   }
 237   return $output;
 238 }