From a179f0a9d39f4f7df113fbd7e78601fdb3507281 Mon Sep 17 00:00:00 2001
From: Roelof Roos <github@roelof.io>
Date: Sun, 17 Nov 2019 21:56:41 +0100
Subject: [PATCH] First revision of pluggable blocks

See #19.
---
 composer.json                         |  1 +
 resources/js/components/FormField.vue | 35 +++++++++++++++++++++++++++
 src/NovaEditorJs.php                  |  6 +++++
 3 files changed, 42 insertions(+)

diff --git a/composer.json b/composer.json
index 6ef9080..f734d35 100644
--- a/composer.json
+++ b/composer.json
@@ -14,6 +14,7 @@
         "ext-exif": "*",
         "ext-json": "*",
         "codex-team/editor.js": "*",
+        "illuminate/support": "^5.7.15 | ^6.0",
         "laravel/nova": "^2.0",
         "spatie/image": "^1.7"
     },
diff --git a/resources/js/components/FormField.vue b/resources/js/components/FormField.vue
index 5596c0d..ea26fd8 100644
--- a/resources/js/components/FormField.vue
+++ b/resources/js/components/FormField.vue
@@ -171,6 +171,38 @@
         }
     }
 
+    /**
+     * Applies filters listening to the given name, returns changed data.
+     *
+     * @param {String} name
+     * @param {Object} data
+     */
+    function applyGlobalFilter(name, data) {
+        // Check for filters
+        if (!window.hasOwnProperty('novaEditorjsFields') || !window.novaEditorjsFields || typeof window.novaEditorjsFields !== 'object') {
+            return data
+        }
+
+        const editorJsFields = window.novaEditorjsFields
+
+        // Check for this filter
+        if (!editorJsFields.hasOwnProperty(name) || !Array.isArray(editorJsFields[name])) {
+            return data
+        }
+
+        // Apply filter
+        editorJsFields[name].forEach(entry => {
+            try {
+                data = entry(data)
+            } catch (error) {
+                console.error('Recieved hook error on %s: %o. Tried to issue %o with %o.', name, error, entry, data)
+            }
+        })
+
+        // Return updated data
+        return data
+    }
+
     export default {
         mixins: [FormField, HandlesValidationErrors],
 
@@ -201,6 +233,9 @@
                 setRawToolSettings(self, tools);
                 setEmbedToolSettings(self, tools);
 
+                // Allow plugins to add or change filters
+                tools = applyGlobalFilter('tools', tools)
+
                 var editor = new EditorJS({
                     /**
                      * Wrapper of Editor
diff --git a/src/NovaEditorJs.php b/src/NovaEditorJs.php
index 56bec7e..fdef6ed 100644
--- a/src/NovaEditorJs.php
+++ b/src/NovaEditorJs.php
@@ -4,6 +4,7 @@
 
 use EditorJS\EditorJS;
 use EditorJS\EditorJSException;
+use Illuminate\Support\Str;
 use Laravel\Nova\Fields\Field;
 
 class NovaEditorJs extends Field
@@ -127,6 +128,11 @@ public static function generateHtmlOutput($jsonData): string
                     case 'embed':
                         $htmlOutput .= view('nova-editor-js::embed', $block['data'])->render();
                         break;
+                    default:
+                        $methodName = 'render' . ucfirst($block['type']) . 'Field';
+                        if ($this->hasMacro($methodName)) {
+                            $htmlOutput .= $this->$methodName($block['data']);
+                        }
                 }
             }