Add support for intermediate breadcrumbs in the template.

git-svn-id: file:///tmp/wdn_thm_drupal/branches/drupal-7.x@116 20a16fea-79d4-4915-8869-1ea9d5ebf173

sites/all/themes/unl_wdn/html.tpl.php

@@ -38,6 +38,7 @@ $t->head .= PHP_EOL
           . $head . PHP_EOL
           . $styles . PHP_EOL
           . $scripts . PHP_EOL
+          . '<link href="' . url('<front>', array('absolute' => TRUE)) . '" rel="home" />' . PHP_EOL
           ;
 
 if (theme_get_setting('use_base')) {

sites/all/themes/unl_wdn/template.php

@@ -21,18 +21,28 @@ function unl_wdn_breadcrumb($variables)
     $breadcrumbs = $variables['breadcrumb'];
     
     if (count($breadcrumbs) == 0) {
-        $breadcrumbs[] = unl_get_site_name_abbreviated();
+        $breadcrumbs[] = '<a href="">' . unl_get_site_name_abbreviated() . '</a>';
     } else {
         //Change 'Home' to be $site_name
         array_unshift($breadcrumbs,
                       str_replace('Home', unl_get_site_name_abbreviated(),
                       array_shift($breadcrumbs)));
     }
+    
+    //Add the intermediate breadcrumb if it exists
+    $intermediateBreadcrumbText = theme_get_setting('intermediate_breadcrumb_text');
+    $intermediateBreadcrumbHref = theme_get_setting('intermediate_breadcrumb_href');
+    if ($intermediateBreadcrumbText && $intermediateBreadcrumbHref) {
+        array_unshift($breadcrumbs, '<a href="' . $intermediateBreadcrumbHref . '">' . $intermediateBreadcrumbText . '</a>');
+    }
+    
     //Prepend UNL
     array_unshift($breadcrumbs, '<a href="http://www.unl.edu/">UNL</a>');
     
     //Append title of current page -- http://drupal.org/node/133242
+    if (!drupal_is_front_page()) {
         $breadcrumbs[] = drupal_get_title();
+    }
     
     $html = '<ul>' . PHP_EOL;
     foreach ($breadcrumbs as $breadcrumb) {

sites/all/themes/unl_wdn/theme-settings.php

@@ -2,24 +2,53 @@
 
 function unl_wdn_form_system_theme_settings_alter(&$form, &$form_state)
 {
-    $form['site_name_abbreviation'] = array(
-        '#type' => 'textfield',
+    $form[] = array(
+        '#type' => 'fieldset',
         '#title' => t('Site Name Abbreviation'),
+        
+        'site_name_abbreviation' => array(
+	        '#type' => 'textfield',
 	        '#default_value' => theme_get_setting('site_name_abbreviation'),
 	        '#description' => t('An abbreviated version of your site\'s name to use in breadcrumbs.')
+        )
     );
     
-    $form['zen_forms'] = array(
+    $form['intermediate_breadcrumb'] = array(
+        '#type' => 'fieldset',
+        '#title' => t('Intermediate Breadcrumb'),
+        '#description' => t('A breadcrumb that is displayed between the UNL breadcrumb and this site\'s breadcrumb'),
+    
+        'intermediate_breadcrumb_text' => array( 
+            '#type' => 'textfield',
+            '#title' => t('Text'),
+            '#default_value' => theme_get_setting('intermediate_breadcrumb_text'),
+            '#description' => t('An abbreviated version of your site\'s name to use in breadcrumbs.')
+        ),
+        
+        'intermediate_breadcrumb_href' => array(
+            '#type' => 'textfield',
+            '#title' => t('URL'),
+            '#default_value' => theme_get_setting('intermediate_breadcrumb_href'),
+            '#description' => t('An abbreviated version of your site\'s name to use in breadcrumbs.')
+        )
+    );
+    
+    $form['advanced_settings'] = array(
+        '#type' => 'fieldset',
+        '#title' => t('Advanced Settings'),
+    
+        'zen_forms' => array(
 	        '#type' => 'checkbox',
 	        '#title' => t('Use Zen Forms'),
 	        '#default_value' => theme_get_setting('zen_forms'),
 	        '#description' => t('Transforms all forms into the list-based zen forms.')
-    );
+        ),
     
-    $form['use_base'] = array(
+        'use_base' => array(
 	        '#type' => 'checkbox',
 	        '#title' => t('Use HTML Base Tag in Head'),
 	        '#default_value' => theme_get_setting('use_base'),
 	        '#description' => t('Adds an HTML Base tag to the &lt;head&gt; section with href="' . url('<front>', array('absolute' => TRUE)) . '"')
+        )
     );
 }