Issue #72: Updating API to include 2.1 improvements: 36f766b

legacy/tripal_core/tripal_core.module

@@ -275,4 +275,116 @@ function tripal_core_field_widget_form_alter(&$element, &$form_state, $context)
       );
     }
   }
+}
+
+/**
+ * Implements hook_block_info().
+ */
+function tripal_core_block_info() {
+
+  $blocks['tripal_search'] = array(
+    'info' => t('Tripal Search Block'),
+    'cache' => DRUPAL_NO_CACHE,
+  );
+
+  return $blocks;
+}
+
+/**
+ * Implements hook_block_view().
+ */
+function tripal_core_block_view($delta = '') {
+  $block = array();
+
+  switch ($delta) {
+    case 'tripal_search':
+      $block['title'] = 'Search';
+
+      $form_render_arr = drupal_get_form('tripal_core_search_block');
+      $block['content'] = array(
+        '#markup' => drupal_render($form_render_arr),
+      );
+      break;
+  }
+
+  return $block;
+}
+
+/**
+ * A simple search box form.
+ */
+function tripal_core_search_block($form, $form_state) {
+
+  $form['wrapper'] = array(
+    '#prefix' => '<div id="search-block-form" class="container-inline">',
+    '#suffix' => '</div>',
+  );
+
+  $form['wrapper']['title'] = array(
+    '#markup' => '<h2 class="element-invisible">Search form</h2>',
+  );
+
+  $form['wrapper']['search_block_form'] = array(
+    '#title' => 'Search',
+    '#title_display' => 'invisible',
+    '#type' => 'textfield',
+    '#size' => 15,
+    '#maxlength' => 128,
+    '#attributes' =>array('placeholder' => t('Keywords'))
+  );
+
+  $form['wrapper']['submit'] = array(
+    '#type' => 'submit',
+    '#value' => 'Search',
+    '#prefix' => '<div class="form-actions form-wrapper" id="edit-actions">',
+    '#suffix' => '</div>'
+  );
+
+  return $form;
+}
+
+/**
+ * Submit for tripal_core_search_block form.
+ */
+function tripal_core_search_block_submit($form, &$form_state) {
+
+  $form_state['redirect'] = array(
+    variable_get('tripal_search_block_url', 'search/data'),
+    array(
+      'query' => array(
+        'keywords' => $form_state['values']['search_block_form']
+      ),
+    ),
+  );
+
+}
+
+/**
+ * Implements hook_block_configure().
+ */
+function tripal_core_block_configure ($delta = '') {
+  $form = array();
+
+  $form['search_url'] = array(
+    '#type' => 'textfield',
+    '#title' => 'Search Page URL',
+    '#description' => 'The URL for the page you would like to redirect to when the user
+        clicks "Search". It is expected that this page will be a view with an exposed
+        filter having a "Filter Identifier" (in "More" fieldset on the edit filter form)
+        of "keywords".',
+    '#default_value' => variable_get('tripal_search_block_url', 'search/data'),
+  );
+
+  return $form;
+}
+
+/**
+ * Implements hook_block_save().
+ */
+function tripal_core_block_save($delta = '', $edit = array()) {
+
+  // We simply want to save this information in a Drupal variable for use in the form submit.
+  if (!empty($edit['search_url'])) {
+    variable_set('tripal_search_block_url', $edit['search_url']);
+  }
 }