Merge pull request #849 from josepereira245/issue/833

FIX: Fixes #833 added validation for minimum and maximum length

code/Model/EditableFormField/EditableTextField.php

@@ -101,6 +101,23 @@ class EditableTextField extends EditableFormField
         return parent::getCMSFields();
     }
 
+    /**
+     * @return ValidationResult
+     */
+    public function validate()
+    {
+        $result = parent::validate();
+
+        if ($this->MinLength > $this->MaxLength) {
+            $result->addError(_t(
+                __CLASS__ . 'MINMAXLENGTHCHECK',
+                'Minimum length should be less than the Maximum length.'
+            ));
+        }
+
+        return $result;
+    }
+
     /**
      * @return FieldList
      */
@@ -115,6 +132,7 @@ class EditableTextField extends EditableFormField
                     NumericField::create('MinLength', false),
                     LiteralField::create('RangeLength', _t(__CLASS__.".RANGE_TO", "to")),
                     NumericField::create('MaxLength', false)
+
                 ]
             )
         ]);

lang/en.yml

@@ -208,6 +208,7 @@ en:
     RANGE_TO: to
     SINGULARNAME: 'Text Field'
     TEXTLENGTH: 'Allowed text length'
+    MINMAXLENGTHCHECK: 'Minimum length should be less than the Maximum length.'
   SilverStripe\UserForms\Model\EditableFormField\Validator:
     REQUIRED_ERROR: 'Form fields cannot be required and have conditional display rules.'
   SilverStripe\UserForms\Model\Recipient\EmailRecipient: