Fix 29: Added support to object for content option in Collapse class

CHANGELOG.md

@@ -4,7 +4,7 @@ Yii Framework 2 bootstrap extension Change Log
 2.0.5 under development
 -----------------------
 
-
+- Enh #38: Added support to object for content option in Collapse class (pana1990, ItsReddi)
 
 2.0.4 May 10, 2015
 ------------------

Collapse.php

@@ -61,7 +61,7 @@ class Collapse extends Widget
      * - label: string, required, the group header label.
      * - encode: boolean, optional, whether this label should be HTML-encoded. This param will override
      *   global `$this->encodeLabels` param.
-     * - content: array|string, required, the content (HTML) of the group
+     * - content: array|string|object, required, the content (HTML) of the group
      * - options: array, optional, the HTML attributes of the group
      * - contentOptions: optional, the HTML attributes of the group's content
      */
@@ -146,7 +146,7 @@ class Collapse extends Widget
 
             $header = Html::tag('h4', $headerToggle, ['class' => 'panel-title']);
 
-            if (is_string($item['content'])) {
+            if (is_string($item['content']) || is_object($item['content'])) {
                 $content = Html::tag('div', $item['content'], ['class' => 'panel-body']) . "\n";
             } elseif (is_array($item['content'])) {
                 $content = Html::ul($item['content'], [
@@ -160,7 +160,7 @@ class Collapse extends Widget
                     $content .= Html::tag('div', $item['footer'], ['class' => 'panel-footer']) . "\n";
                 }
             } else {
-                throw new InvalidConfigException('The "content" option should be a string or array.');
+                throw new InvalidConfigException('The "content" option should be a string, array or object.');
             }
         } else {
             throw new InvalidConfigException('The "content" option is required.');

tests/CollapseTest.php

@@ -105,6 +105,41 @@ class CollapseTest extends TestCase
 </div></div>
 </div>
 
+HTML
+        , $output);
+    }
+
+    /**
+     * @see https://github.com/yiisoft/yii2/issues/8357
+     */
+    public function testRenderObject()
+    {
+        $template = ['template' => '{input}'];
+        ob_start();
+        $form = \yii\widgets\ActiveForm::begin(['action' => '/something']);
+        ob_end_clean();
+        $model = new data\Singer;
+
+        Collapse::$counter = 0;
+        $output = Collapse::widget([
+            'items' => [
+                [
+                    'label' => 'Collapsible Group Item #1',
+                    'content' => $form->field($model, 'firstName', $template)
+                ],
+            ]
+        ]);
+
+        $this->assertEqualsWithoutLE(<<<HTML
+<div id="w0" class="panel-group">
+<div class="panel panel-default"><div class="panel-heading"><h4 class="panel-title"><a class="collapse-toggle" href="#w0-collapse1" data-toggle="collapse" data-parent="#w0">Collapsible Group Item #1</a>
+</h4></div>
+<div id="w0-collapse1" class="panel-collapse collapse"><div class="panel-body"><div class="form-group field-singer-firstname">
+<input type="text" id="singer-firstname" class="form-control" name="Singer[firstName]">
+</div></div>
+</div></div>
+</div>
+
 HTML
         , $output);
     }

tests/data/Singer.php

+<?php
+
+namespace yiiunit\extensions\bootstrap\data;
+
+use yii\base\Model;
+
+/**
+ * Class Singer
+ *
+ * @author Daniel Gomez Pan <pana_1990@hotmail.com>
+ */
+class Singer extends Model
+{
+    public $firstName;
+    public $lastName;
+    public $test;
+
+    public function rules()
+    {
+        return [
+            [['lastName'], 'default', 'value' => 'Lennon'],
+            [['lastName'], 'required'],
+            [['underscore_style'], 'yii\captcha\CaptchaValidator'],
+            [['test'], 'required', 'when' => function($model) { return $model->firstName === 'cebe'; }],
+        ];
+    }
+}