Update

Author: alothemes

Block/Adminhtml/Theme/Edit/Form.php

@@ -4,7 +4,7 @@
  * @Author: nguyen
  * @Date:   2020-06-09 19:52:46
  * @Last Modified by:   nguyen
- * @Last Modified time: 2020-06-12 11:12:39
+ * @Last Modified time: 2020-06-12 13:31:08
  */
 
 namespace Magepow\Theme\Block\Adminhtml\Theme\Edit;
@@ -119,7 +119,7 @@ protected function _prepareForm()
             ]
         );
 
-        $field = $fieldset->addField('theme_title', 'text',
+        $fieldset->addField('theme_title', 'text',
             [
                 'name'      => 'theme_title',
                 'label'     => __('Theme Title'),
@@ -130,7 +130,7 @@ protected function _prepareForm()
             ]
         );
 
-        $field = $fieldset->addField('theme_path', 'text',
+        $themePath = $fieldset->addField('theme_path', 'text',
             [
                 'name'      => 'theme_path',
                 'label'     => __('Theme Path'),
@@ -141,7 +141,24 @@ protected function _prepareForm()
             ]
         );
 
-        $field = $fieldset->addField('theme_type', 'select',
+        if($this->getRequest()->getParam('theme_id')){
+            $themePath->setAfterElementHtml(
+                '<p class="nm"><small>' . __('Don\'t change Theme Path') . '</small></p>
+                <script type="text/javascript">
+                require([
+                    "jquery",
+                ],  function($){
+                        jQuery(document).ready(function($) {
+                            var themePath  = "#'.$themePath->getHtmlId().'";                  
+                            if ($(themePath).val()) {$(themePath).prop("disabled", true); }
+                        })
+                })
+                </script>
+                '
+            );
+        }
+
+        $fieldset->addField('theme_type', 'select',
             [
                 'name'      => 'theme_type',
                 'label'     => __('Theme Type'),

Controller/Adminhtml/Index/Delete.php

@@ -4,7 +4,7 @@
  * @Author: nguyen
  * @Date:   2020-06-04 17:10:47
  * @Last Modified by:   nguyen
- * @Last Modified time: 2020-06-12 13:05:39
+ * @Last Modified time: 2020-06-12 14:57:42
  */
 
 namespace Magepow\Theme\Controller\Adminhtml\Index;
@@ -39,6 +39,14 @@ public function execute()
             $this->messageManager->addSuccess(
                 __('Theme record delete successfully !')
             );
+            $collection      = $this->_objectManager->create('Magento\Config\Model\ResourceModel\Config\Data\Collection');
+            $config     = $collection->addFieldToSelect('*')->addFieldToFilter('path', 'design/theme/theme_id')->addFieldToFilter('value',$id);
+            $ids   = [];
+            foreach ($config as $cfg) {
+                $cfg->setValue(2); /* Luma theme */
+                $cfg->save();
+            }
+            // $config->save();
 
         } catch (\Exception $e) {
             $this->messageManager->addError($e->getMessage());

Controller/Adminhtml/Index/Save.php

@@ -4,7 +4,7 @@
  * @Author: nguyen
  * @Date:   2020-05-31 14:56:43
  * @Last Modified by:   nguyen
- * @Last Modified time: 2020-06-12 11:30:33
+ * @Last Modified time: 2020-06-12 13:57:13
  */
 
 namespace Magepow\Theme\Controller\Adminhtml\Index;
@@ -37,7 +37,8 @@ public function execute()
 
             $parentTheme    = $data['parent_theme'];
             $themeTitle     = $data['theme_title'];
-            $themePath      = $data['theme_path'];
+            $themePath      = isset($data['theme_path']) ? $data['theme_path'] : $model->getThemePath();
+
             if($id && in_array($themePath, $this->defaultTheme)){
                 $this->messageManager->addError(__('You can\'t edit default theme %1.', $themePath));
                 $this->_getSession()->setFormData($data);
@@ -67,7 +68,7 @@ public function execute()
                     $this->_getSession()->setFormData($data);
                     return $resultRedirect->setPath('*/*/edit');
                 }
-                if($data['parent_theme'] == $data['theme_path'] || $parent->getId() == $model->getId()){
+                if($parentTheme == $themePath || $parent->getId() == $model->getId()){
                     $this->messageManager->addError(__('Error Parent theme and Child theme same value.'));
                     $this->_getSession()->setFormData($data);
                     return $resultRedirect->setPath('*/*/edit');                
@@ -86,7 +87,7 @@ public function execute()
                 $data['area']          = 'frontend';
                 $data['is_featured']   = 0;
                 $data['type']          = $data['theme_type'];
-                $data['code']          = $data['theme_path'];
+                $data['code']          = $themePath;
                 if(isset($data['overwrite']) && $model->getThemeId()){
                     $model->addData($data);
                 }else {

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "magepow/theme",
-  "description": "You Manage create or edit theme via admin.",
+  "description": "You Manage create or edit theme form admin.",
   "type": "magento2-module",
   "license": [
       "OSL-3.0",