Adds work from SiliconValet/patternkit8musing

Author: Derek Reese

patternkit.info.yml

@@ -1,7 +1,5 @@
 name: Patternkit
-description: Adds Patternkit patterns to panels as content types.
+description: Adds Patternkit patterns as blocks.
+type: module
 package: Presentation Framework
 core: 8.x
-dependencies:
- - drupal:ctools
- - drupal:panels

src/Plugin/Block/PatternkitBlock.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Drupal\patternkit\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+
+/**
+ * Display all instances for 'PatternkitBlock' block plugin.
+ *
+ * @Block(
+ *   id = "patternkit_block",
+ *   admin_label = @Translation("Patternkit block"),
+ *   category="Patternkit",
+ *   deriver = "Drupal\patternkit\Plugin\Derivative\PatternkitBlock"
+ * )
+ */
+class PatternkitBlock extends BlockBase {
+  /**
+   * Build the content for PatternKit block.
+   */
+  public function build() {
+    $block_id = $this->getDerivativeId();
+    return array(
+      '#markup' => $block_id,
+    );
+  }
+}

src/Plugin/Derivative/PatternkitBlock.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Drupal\patternkit\Plugin\Derivative;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Core\Plugin\Context\ContextDefinition;
+
+class PatternkitBlock extends DeriverBase {
+
+  /**
+   * {@inheritDoc}
+   */
+  public function getDerivativeDefinitions($base_plugin_definition) {
+
+    // @TODO: Replace with LoadPatterns service.
+    $patterns = [
+      'pattern1' => [
+        'admin_label' => 'Some pattern (a)',
+        'context' => [
+          'node' => new ContextDefinition("entity:node"),
+        ]
+      ],
+      'pattern2' => [
+        'admin_label' => 'Some pattern (b)',
+        'context' => [
+          'user' => new ContextDefinition("entity:user"),
+        ]
+      ],
+      'pattern3' => [
+        'admin_label' => 'Some pattern (c)',
+      ],
+    ];
+
+    // @TODO: Extend the base plugin definition.
+
+    foreach ($patterns as $idx => $pattern) {
+      $patternLibrary = 'PFE';
+      $patternGroup   = 'atoms';
+      $patternName    = $pattern['admin_label'];
+
+      $this->derivatives[$idx] = $base_plugin_definition;
+      $this->derivatives[$idx] += $pattern;
+      $this->derivatives[$idx] += [
+        'category'    => t(
+          'Patternkit:@lib/@group',
+          [
+            '@lib'     => $patternLibrary,
+            '@group'   => $patternGroup,
+            '@pattern' => $patternName,
+          ]
+        ),
+        'admin_label' => t(
+          '[Patternkit] @pattern',
+          [
+            '@pattern' => $pattern['admin_label'],
+          ]
+        ),
+      ];
+
+
+    }
+
+    return $this->derivatives;
+  }
+}