Replace SimpleMDE with custom Markdown editor

app/Helper/FormHelper.php

@@ -181,6 +181,44 @@ class FormHelper extends Base
         return $html;
     }
 
+    /**
+     * Display a markdown editor
+     *
+     * @access public
+     * @param  string  $name     Field name
+     * @param  array   $values   Form values
+     * @param  array   $errors   Form errors
+     * @param  array   $attributes
+     * @return string
+     */
+    public function textEditor($name, $values = array(), array $errors = array(), array $attributes = array())
+    {
+        if (! isset($attributes['css'])) {
+            $attributes['css'] = '';
+        }
+
+        $attrHtml = '';
+        $attributes['css'] .= $this->errorClass($errors, $name);
+
+        foreach ($attributes as $attribute => $value) {
+            $attrHtml .= sprintf(' %s="%s"', $attribute, $value);
+        }
+
+        $html = sprintf(
+            '<texteditor name="%s" text="%s" label-preview="%s" label-write="%s" placeholder="%s" %s></texteditor>',
+            $name,
+            isset($values[$name]) ? $this->helper->text->e($values[$name]) : '',
+            t('Preview'),
+            t('Write'),
+            t('Write your text in Markdown'),
+            $attrHtml
+        );
+
+        $html .= $this->errorList($errors, $name);
+
+        return $html;
+    }
+
     /**
      * Display file field
      *

app/Helper/TaskHelper.php

@@ -50,20 +50,7 @@ class TaskHelper extends Base
     public function selectDescription(array $values, array $errors)
     {
         $html = $this->helper->form->label(t('Description'), 'description');
-        $html .= '<div class="markdown-editor-container">';
-        $html .= $this->helper->form->textarea(
-            'description',
-            $values,
-            $errors,
-            array(
-                'placeholder="'.t('Leave a description').'"',
-                'tabindex="2"',
-                'data-mention-search-url="'.$this->helper->url->href('UserAjaxController', 'mention', array('project_id' => $values['project_id'])).'"'
-            ),
-            'markdown-editor'
-        );
-
-        $html .= '</div>';
+        $html .= $this->helper->form->textEditor('description', $values, $errors, array('tabindex' => 2));
         return $html;
     }