fix single checkbox/radio generation

Author: MacGyer

src/lib/Html.php

@@ -133,4 +133,80 @@ private static function normalizeMaxLength($model, $attribute, &$options)
             }
         }
     }
+
+    /**
+     * Generates a radio button tag together with a label for the given model attribute.
+     * This method will generate the "checked" tag attribute according to the model attribute value.
+     * @param Model $model the model object
+     * @param string $attribute the attribute name or expression. See [[getAttributeName()]] for the format
+     * about attribute expression.
+     * @param array $options the tag options in terms of name-value pairs.
+     * See [[booleanInput()]] for details about accepted attributes.
+     *
+     * @return string the generated radio button tag
+     */
+    public static function activeRadio($model, $attribute, $options = [])
+    {
+        return static::activeBooleanInput('radio', $model, $attribute, $options);
+    }
+
+    /**
+     * Generates a checkbox tag together with a label for the given model attribute.
+     * This method will generate the "checked" tag attribute according to the model attribute value.
+     * @param Model $model the model object
+     * @param string $attribute the attribute name or expression. See [[getAttributeName()]] for the format
+     * about attribute expression.
+     * @param array $options the tag options in terms of name-value pairs.
+     * See [[booleanInput()]] for details about accepted attributes.
+     *
+     * @return string the generated checkbox tag
+     */
+    public static function activeCheckbox($model, $attribute, $options = [])
+    {
+        return static::activeBooleanInput('checkbox', $model, $attribute, $options);
+    }
+
+    /**
+     * Generates a boolean input
+     * This method is mainly called by [[activeCheckbox()]] and [[activeRadio()]].
+     * @param string $type the input type. This can be either `radio` or `checkbox`.
+     * @param Model $model the model object
+     * @param string $attribute the attribute name or expression. See [[getAttributeName()]] for the format
+     * about attribute expression.
+     * @param array $options the tag options in terms of name-value pairs.
+     * See [[booleanInput()]] for details about accepted attributes.
+     * @return string the generated input element
+     * @since 2.0.9
+     */
+    protected static function activeBooleanInput($type, $model, $attribute, $options = [])
+    {
+        $name = isset($options['name']) ? $options['name'] : static::getInputName($model, $attribute);
+        $value = static::getAttributeValue($model, $attribute);
+
+        if (!array_key_exists('value', $options)) {
+            $options['value'] = '1';
+        }
+        if (!array_key_exists('uncheck', $options)) {
+            $options['uncheck'] = '0';
+        } elseif ($options['uncheck'] === false) {
+            unset($options['uncheck']);
+        }
+        if (!array_key_exists('label', $options)) {
+            $options['label'] = static::encode($model->getAttributeLabel(static::getAttributeName($attribute)));
+        } elseif ($options['label'] === false) {
+            unset($options['label']);
+        }
+
+        if (isset($options['label'])) {
+            $options['label'] = '<span>' . $options['label'] . '</span>';
+        }
+
+        $checked = "$value" === "{$options['value']}";
+
+        if (!array_key_exists('id', $options)) {
+            $options['id'] = static::getInputId($model, $attribute);
+        }
+
+        return static::$type($name, $checked, $options);
+    }
 }

src/widgets/form/ActiveField.php

@@ -193,6 +193,7 @@ protected function initAutoComplete(&$options = [])
      * ```
      *
      * @return string the rendering result
+     * @throws \Exception
      */
     public function render($content = null)
     {
@@ -248,10 +249,22 @@ public function icon()
      * Materialize standard to not wrap the checkboxes in labels.
      * @return $this
      */
-    public function checkbox($options = [], $enclosedByLabel = false)
+    public function checkbox($options = [], $enclosedByLabel = true)
     {
         Html::addCssClass($this->options, ['class' => 'checkbox']);
-        return parent::checkbox($options, $enclosedByLabel);
+        Html::removeCssClass($this->options, 'input-field');
+
+        $this->parts['{input}'] = Html::activeCheckbox($this->model, $this->attribute, $options);
+        $this->parts['{label}'] = '';
+
+        if ($this->form->validationStateOn === ActiveForm::VALIDATION_STATE_ON_INPUT) {
+            $this->addErrorClassIfNeeded($options);
+        }
+
+        $this->addAriaAttributes($options);
+        $this->adjustLabelFor($options);
+
+        return $this;
     }
 
     /**
@@ -283,10 +296,22 @@ public function dropDownList($items, $options = [])
      * Materialize standard to not wrap the checkboxes in labels.
      * @return $this
      */
-    public function radio($options = [], $enclosedByLabel = false)
+    public function radio($options = [], $enclosedByLabel = true)
     {
         Html::addCssClass($this->options, ['class' => 'radio']);
-        return parent::radio($options, $enclosedByLabel);
+        Html::removeCssClass($this->options, 'input-field');
+
+        $this->parts['{input}'] = Html::activeRadio($this->model, $this->attribute, $options);
+        $this->parts['{label}'] = '';
+
+        if ($this->form->validationStateOn === ActiveForm::VALIDATION_STATE_ON_INPUT) {
+            $this->addErrorClassIfNeeded($options);
+        }
+
+        $this->addAriaAttributes($options);
+        $this->adjustLabelFor($options);
+
+        return $this;
     }
 
     /**