init

vendor/yiisoft/yii2-jui/InputWidget.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\jui;
+
+use yii\base\Model;
+use yii\helpers\Html;
+
+/**
+ * InputWidget is the base class for all jQuery UI input widgets.
+ *
+ * Classes extending from this widget can be used in an [[yii\widgets\ActiveForm|ActiveForm]]
+ * using the [[yii\widgets\ActiveField::widget()|widget()]] method, for example like this:
+ *
+ * ```php
+ * <?= $form->field($model, 'from_date')->widget('WidgetClassName', [
+ *     // configure additional widget properties here
+ * ]) ?>
+ * ```
+ *
+ * @author Alexander Kochetov <creocoder@gmail.com>
+ * @since 2.0
+ */
+class InputWidget extends Widget
+{
+    /**
+     * @var Model the data model that this widget is associated with.
+     */
+    public $model;
+    /**
+     * @var string the model attribute that this widget is associated with.
+     */
+    public $attribute;
+    /**
+     * @var string the input name. This must be set if [[model]] and [[attribute]] are not set.
+     */
+    public $name;
+    /**
+     * @var string the input value.
+     */
+    public $value;
+
+
+    /**
+     * Initializes the widget.
+     * If you override this method, make sure you call the parent implementation first.
+     */
+    public function init()
+    {
+        if ($this->hasModel() && !isset($this->options['id'])) {
+            $this->options['id'] = Html::getInputId($this->model, $this->attribute);
+        }
+        parent::init();
+    }
+
+    /**
+     * @return bool whether this widget is associated with a data model.
+     */
+    protected function hasModel()
+    {
+        return $this->model instanceof Model && $this->attribute !== null;
+    }
+}