From c1e686831cce34e6f6c75cf6ae4c3449bbe9ef8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Jakes=CC=8C?= <jan@jakes.pro>
Date: Mon, 27 May 2019 14:10:39 +0200
Subject: [PATCH] Unload WP editor loaded by another plugin

[MAILPOET-2105]
---
 lib/Util/ConflictResolver.php | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/lib/Util/ConflictResolver.php b/lib/Util/ConflictResolver.php
index 9051a42333..0b4e8fe43e 100644
--- a/lib/Util/ConflictResolver.php
+++ b/lib/Util/ConflictResolver.php
@@ -51,6 +51,13 @@ class ConflictResolver {
         'resolveScriptsConflict',
       ]
     );
+    WPFunctions::get()->addAction(
+      'mailpoet_conflict_resolver_scripts',
+      [
+        $this,
+        'resolveEditorConflict',
+      ]
+    );
   }
 
   function resolveRouterUrlQueryParametersConflict() {
@@ -117,4 +124,30 @@ class ConflictResolver {
     WPFunctions::get()->addAction('admin_print_scripts', $dequeue_scripts, $execute_first);
     WPFunctions::get()->addAction('admin_print_footer_scripts', $dequeue_scripts, $execute_first);
   }
+
+  function resolveEditorConflict() {
+
+    // mark editor as already enqueued to prevent loading its assets
+    // when wp_enqueue_editor() used by some other plugin
+    global $wp_actions;
+    $wp_actions['wp_enqueue_editor'] = 1;
+
+    // prevent editor loading when used wp_editor() used by some other plugin
+    WPFunctions::get()->addFilter('wp_editor_settings', function () {
+      ob_start();
+      return [
+        'tinymce' => false,
+        'quicktags' => false,
+      ];
+    });
+
+    WPFunctions::get()->addFilter('the_editor', function () {
+      return '';
+    });
+
+    WPFunctions::get()->addFilter('the_editor_content', function () {
+      ob_end_clean();
+      return '';
+    });
+  }
 }