Config page for Islandora, plus some basic menu path entries to integrate with the Drupal admi n UI (#7)

config/install/islandora.settings.yml

@@ -0,0 +1,2 @@
+broker_url: 'http://localhost:61613'
+triplestore_index_queue: '/islandora/triplestore/index'

islandora.links.menu.yml

@@ -6,3 +6,16 @@ entity.fedora_resource_type.collection:
   parent: system.admin_structure
   weight: 99
 
+# Menu list of Islandora configuration forms 
+system.admin_config_islandora:
+  title: Islandora
+  parent: system.admin_config
+  route_name: system.admin_config_islandora 
+  weight: 100
+
+# Core Islandora configuration form 
+system.islandora_settings:
+  title: 'Core Settings'
+  parent: system.admin_config_islandora
+  route_name: system.islandora_settings 
+  description: 'Confgure core Islandora settings'

islandora.routing.yml

@@ -10,3 +10,21 @@ entity.fedora_resource_type.rdftest:
     parameters:
       node_preview:
         type: 'node_preview'
+
+# Menu list of Islandora configuration forms 
+system.admin_config_islandora:
+  path: '/admin/config/islandora'
+  defaults:
+    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
+    _title: 'Islandora'
+  requirements:
+    _permission: 'access administration pages'
+
+# Core Islandora configuration form 
+system.islandora_settings:
+  path: '/admin/config/islandora/core'
+  defaults:
+    _form: '\Drupal\islandora\Form\IslandoraSettingsForm'
+    _title: 'Islandora Settings'
+  requirements:
+    _permission: 'administer site configuration'

src/Form/IslandoraSettingsForm.php

@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * @file
+ * Settings form for Islandora.
+ */
+namespace Drupal\islandora\Form;
+
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Config form for Islandora settings.
+ */
+class IslandoraSettingsForm extends ConfigFormBase {
+
+  const CONFIG_NAME = 'islandora.settings';
+  const BROKER_URL = 'broker_url';
+  const TRIPLESTORE_INDEX_QUEUE = 'triplestore_index_queue';
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'islandora_admin_settings';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return [
+      self::CONFIG_NAME,
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $config = $this->config(self::CONFIG_NAME);
+
+    $form[self::BROKER_URL] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Broker URL'),
+      '#default_value' => $config->get(self::BROKER_URL),
+    );
+
+    $form[self::TRIPLESTORE_INDEX_QUEUE] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Triplestore Index Queue'),
+      '#default_value' => $config->get(self::TRIPLESTORE_INDEX_QUEUE),
+    );
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $config = \Drupal::service('config.factory')->getEditable(self::CONFIG_NAME);
+
+    $config
+      ->set(self::BROKER_URL, $form_state->getValue(self::BROKER_URL))
+      ->set(self::TRIPLESTORE_INDEX_QUEUE, $form_state->getValue(self::TRIPLESTORE_INDEX_QUEUE))
+      ->save();
+
+    parent::submitForm($form, $form_state);
+  }
+}
+