Add admin config form for Patternkit

feat(patternkit.module)

Author: cybtachyon

include/patternkit_config_form.inc

@@ -0,0 +1,97 @@
+<?php
+
+/**
+ * @file
+ * Provides the admin settings form for Patternkit.
+ */
+
+/**
+ * Drupal Form API callback for the admin form.
+ *
+ * @param array $form
+ *   Drupal Form API form array.
+ * @param array $form_state
+ *   Drupal Form API form state array.
+ *
+ * @return array
+ *   A Drupal Form API admin form array.
+ */
+function patternkit_config_form(array $form, array &$form_state) {
+  $libraries = patternkit_pattern_libraries();
+  $library_options = array();
+  $library_values = array();
+  foreach ($libraries as $library) {
+    $lib_title = $library->getTitle();
+    $lib_desc = $lib_title;
+    $lib_metadata = $library->getMetadata();
+    if (!empty($lib_metadata)) {
+      $library_values[] = $lib_title;
+      $lib_desc = t('@title (@count patterns)', array(
+        '@title' => $lib_title,
+        '@count' => count($lib_metadata),
+      ));
+    }
+    $library_options[$lib_title] = $lib_desc;
+  }
+  $form['patternkit_libraries'] = array(
+    '#type' => 'checkboxes',
+    '#title' => t('Enabled Patternkit Libraries'),
+    '#options' => $library_options,
+    '#default_value' => $library_values,
+    '#disabled' => TRUE,
+  );
+
+  $form['patternkit_pl_host'] = array(
+    '#type' => 'textfield',
+    '#title' => t('PatternLab/Kit REST Services Host'),
+    '#default_value' => variable_get('patternkit_pl_host',
+      'http://localhost:9001'),
+    '#size' => '120',
+    '#maxlength' => '1023',
+  );
+
+  $form['patternkit_cache_enabled'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Use the Patternkit Library Cache'),
+    '#default_value' => variable_get('patternkit_cache_enabled', TRUE),
+  );
+
+  $form['patternkit_render_cache'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Use the Patternkit Disk Render Cache'),
+    '#default_value' => variable_get('patternkit_render_cache', FALSE),
+  );
+
+  $form['patternkit_default_module_ttl'] = array(
+    '#type' => 'textfield',
+    '#title' => t('Patternkit Default Pattern TTL (in ms)'),
+    '#default_value' => variable_get('patternkit_default_module_ttl',
+      PATTERNKIT_DEFAULT_TTL),
+  );
+
+  $form['#submit'][] = 'patternkit_config_form_submit';
+
+  return system_settings_form($form);
+}
+
+/**
+ * Rebuilds Patternkit data on form save.
+ *
+ * @param array $form
+ *   Drupal Form API form array.
+ * @param array $form_state
+ *   Drupal Form API form state array.
+ *
+ * @see system_settings_form_submit()
+ */
+function patternkit_config_form_submit(array $form, array &$form_state) {
+  if ($form_state['values']['patternkit_cache_enabled']
+    && !variable_get('patternkit_cache_enabled', TRUE)) {
+    $libraries = patternkit_pattern_libraries();
+    foreach ($libraries as $library) {
+      $library->getCachedMetadata(NULL, TRUE);
+    }
+  }
+
+  drupal_set_message(t('Rebuilt Patternkit Library Cache.'));
+}

patternkit.module

@@ -8,6 +8,8 @@
 // Default TTL is 30 * 24 * 60 * 60, 30 minutes.
 const PATTERNKIT_DEFAULT_TTL = 2592000;
 
+include __DIR__ . '/include/patternkit_config_form.inc';
+
 /**
  * Implements hook_ctools_plugin_directory().
  */
@@ -91,6 +93,21 @@ function patternkit_patternkit_library() {
   return $libraries;
 }
 
+/**
+ * Implements hook_menu().
+ */
+function patternkit_menu() {
+  $items = array();
+  $items['admin/config/user-interface/patternkit'] = array(
+    'title' => 'Patternkit settings',
+    'description' => 'Configure Patternkit Pattern Library Support.',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('patternkit_config_form'),
+    'access arguments' => array('access administration pages'),
+  );
+  return $items;
+}
+
 /**
  * Utility function to get all Patternkit module metadata.
  *