add multi-assignment to tasks and projects

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

@@ -21,19 +21,27 @@ use yii\widgets\ActiveForm;
         'data' => Task::find()->select(['title', 'id'])->indexBy('id')->column(),
         'options' => ['placeholder' => 'Выберите проект', 'value' => $task_id, 'id' => 'task-id',],
         'pluginOptions' => [
-            'allowClear' => true,
+            'allowClear' => false,
         ],
     ]);
     ?>
 
     <?= $form->field($model, 'project_user_id')->widget(DepDrop::className(),
         [
-            'options' => ['id' => 'project-user-id'],
+            'type' => DepDrop::TYPE_SELECT2,
+            'options' => ['id' => 'project-user-id', 'allowClear' => true, 'multiple' => true], // , 'multiple' => true
+            'select2Options' => [
+                'pluginOptions' => [
+                    'allowClear' => true,
+                    'closeOnSelect' => false,
+                ],
+                'showToggleAll' => false,
+            ],
             'pluginOptions' => [
                 'depends' => ['task-id'],
                 'placeholder' => 'Выберите',
                 'initialize' => true,
-                'url' => Url::to(['/task/task-user/executor'])
+                'url' => Url::to(['/task/task-user/executor']),
             ]
         ]
     ); ?>

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

@@ -0,0 +1,47 @@
+<?php
+
+use backend\modules\task\models\Task;
+use kartik\depdrop\DepDrop;
+use kartik\select2\Select2;
+use yii\helpers\Html;
+use yii\helpers\Url;
+use yii\widgets\ActiveForm;
+
+/* @var $this yii\web\View */
+/* @var $model backend\modules\task\models\TaskUser */
+/* @var $form yii\widgets\ActiveForm */
+/* @var $task_id  */
+?>
+
+<div class="task-user-form">
+
+    <?php $form = ActiveForm::begin(); ?>
+
+    <?= $form->field($model, 'task_id')->widget(Select2::className(),[
+        'data' => Task::find()->select(['title', 'id'])->indexBy('id')->column(),
+        'options' => ['placeholder' => 'Выберите проект', 'value' => $task_id, 'id' => 'task-id',],
+        'pluginOptions' => [
+            'allowClear' => false,
+        ],
+    ]);
+    ?>
+
+    <?= $form->field($model, 'project_user_id')->widget(DepDrop::className(),
+        [
+            'options' => ['id' => 'project-user-id', 'allowClear' => true],
+            'pluginOptions' => [
+                'depends' => ['task-id'],
+                'placeholder' => 'Выберите',
+                'initialize' => true,
+                'url' => Url::to(['/task/task-user/executor']),
+            ]
+        ]
+    ); ?>
+
+    <div class="form-group">
+        <?= Html::submitButton('Назначить', ['class' => 'btn btn-success']) ?>
+    </div>
+
+    <?php ActiveForm::end(); ?>
+
+</div>

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

@@ -12,7 +12,7 @@ $this->params['breadcrumbs'][] = 'Update';
 ?>
 <div class="task-user-update">
 
-    <?= $this->render('_form', [
+    <?= $this->render('_form_update', [
         'model' => $model,
         'task_id' => $task_id,
     ]) ?>