add task, fixed executors in all projects

backend/modules/task/views/task-user/_form.php

@@ -1,6 +1,9 @@
 <?php
 
+use backend\modules\task\models\Task;
+use kartik\depdrop\DepDrop;
 use yii\helpers\Html;
+use yii\helpers\Url;
 use yii\widgets\ActiveForm;
 
 /* @var $this yii\web\View */
@@ -12,9 +15,25 @@ use yii\widgets\ActiveForm;
 
     <?php $form = ActiveForm::begin(); ?>
 
-    <?= $form->field($model, 'task_id')->textInput() ?>
+    <?= $form->field($model, 'task_id')->dropDownList(Task::find()
+        ->select(['title', 'id'])->indexBy('id')->column(),
+        [
+            'id' => 'task-id',
+            'prompt' => 'Выберите'
+        ]
+    );
+    ?>
 
-    <?= $form->field($model, 'project_user_id')->textInput() ?>
+    <?= $form->field($model, 'project_user_id')->widget(DepDrop::className(),
+        [
+            'options' => ['id' => 'project-user-id'],
+            'pluginOptions' => [
+                'depends' => ['task-id'],
+                'placeholder' => 'Выберите',
+                'url' => Url::to(['/task/task-user/executor'])
+            ]
+        ]
+    ); ?>
 
     <div class="form-group">
         <?= Html::submitButton('Save', ['class' => 'btn btn-success']) ?>