Add EmailEditor page into MailPoet admin

[MAILPOET-5603]

mailpoet/lib/AdminPages/Pages/EmailEditor.php

@@ -0,0 +1,20 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\AdminPages\Pages;
+
+use MailPoet\AdminPages\PageRenderer;
+
+class EmailEditor {
+  /** @var PageRenderer */
+  private $pageRenderer;
+
+  public function __construct(
+    PageRenderer $pageRenderer
+  ) {
+    $this->pageRenderer = $pageRenderer;
+  }
+
+  public function render() {
+    $this->pageRenderer->displayPage('email_editor.html', []);
+  }
+}

mailpoet/lib/Config/Menu.php

@@ -7,6 +7,7 @@ use MailPoet\AdminPages\Pages\AutomationAnalytics;
 use MailPoet\AdminPages\Pages\AutomationEditor;
 use MailPoet\AdminPages\Pages\AutomationTemplates;
 use MailPoet\AdminPages\Pages\DynamicSegments;
+use MailPoet\AdminPages\Pages\EmailEditor as EmailEditorPage;
 use MailPoet\AdminPages\Pages\ExperimentalFeatures;
 use MailPoet\AdminPages\Pages\FormEditor;
 use MailPoet\AdminPages\Pages\Forms;
@@ -36,6 +37,7 @@ class Menu {
   const EMAILS_PAGE_SLUG = 'mailpoet-newsletters';
   const FORMS_PAGE_SLUG = 'mailpoet-forms';
   const EMAIL_EDITOR_PAGE_SLUG = 'mailpoet-newsletter-editor';
+  const EMAIL_EDITOR_V2_PAGE_SLUG = 'mailpoet-email-editor';
   const FORM_EDITOR_PAGE_SLUG = 'mailpoet-form-editor';
   const HOMEPAGE_PAGE_SLUG = 'mailpoet-homepage';
   const FORM_TEMPLATES_PAGE_SLUG = 'mailpoet-form-editor-template-selection';
@@ -267,6 +269,19 @@ class Menu {
       ]
     );
 
+    // newsletter editor
+    $this->wp->addSubmenuPage(
+      self::EMAILS_PAGE_SLUG,
+      $this->setPageTitle(__('Email', 'mailpoet')),
+      esc_html__('Email Editor', 'mailpoet'),
+      AccessControl::PERMISSION_MANAGE_EMAILS,
+      self::EMAIL_EDITOR_V2_PAGE_SLUG,
+      [
+        $this,
+        'emailEditor',
+      ]
+    );
+
     $this->registerAutomationMenu();
 
     // Forms page
@@ -650,6 +665,10 @@ class Menu {
     $this->container->get(NewsletterEditor::class)->render();
   }
 
+  public function emailEditor() {
+    $this->container->get(EmailEditorPage::class)->render();
+  }
+
   public function import() {
     $this->container->get(SubscribersImport::class)->render();
   }

mailpoet/lib/DI/ContainerConfigurator.php

@@ -37,6 +37,7 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\AdminPages\Pages\AutomationEditor::class)->setPublic(true);
     $container->autowire(\MailPoet\AdminPages\Pages\AutomationAnalytics::class)->setPublic(true);
     $container->autowire(\MailPoet\AdminPages\Pages\DynamicSegments::class)->setPublic(true);
+    $container->autowire(\MailPoet\AdminPages\Pages\EmailEditor::class)->setPublic(true);
     $container->autowire(\MailPoet\AdminPages\Pages\ExperimentalFeatures::class)->setPublic(true);
     $container->autowire(\MailPoet\AdminPages\Pages\FormEditor::class)->setPublic(true);
     $container->autowire(\MailPoet\AdminPages\Pages\Forms::class)->setPublic(true);

mailpoet/views/email_editor.html

@@ -0,0 +1 @@
+<div id="mailpoet-email-editor"></div>