Update LinkPreview.php

yii2mod · Oct 1, 2015 · 7fde012 · 7fde012
1 parent 9596a98
commit 7fde012
Showing 1 changed file with 27 additions and 8 deletions.
diff --git a/LinkPreview.php b/LinkPreview.php
@@ -20,7 +20,7 @@
  *      }
  * 2. Add widget to your page as follows:
  *      echo \app\components\preview\LinkPreview::widget([
- *          'id' => 'your-input-id',
+ *          'selector' => '#your-input-id or .someclass',
  *          'clientOptions' => [
  *              'previewActionUrl' => \yii\helpers\Url::to(['link-preview'])
  *          ],
@@ -30,9 +30,9 @@
 class LinkPreview extends Widget
 {
     /**
-     * @var string your input or textArea id
+     * @var string input selector
      */
-    public $id;
+    public $selector;
 
     /**
      * Template view name
@@ -45,15 +45,25 @@ class LinkPreview extends Widget
      */
     public $clientOptions = [];
 
+    /**
+     * @var string pjax container id
+     */
+    public $pjaxContainerId = 'link-preview-container';
+
     /**
      * Init function
      */
     public function init()
     {
-        if ($this->id === null) {
+        if (empty($this->id)) {
             throw new InvalidConfigException("The 'id' property is required.");
         }
-        echo $this->render($this->view);
+        if (empty($this->pjaxContainerId)) {
+            throw new InvalidConfigException("The 'pjaxContainerId' property is required.");
+        }
+        echo $this->render($this->view, [
+            'pjaxContainerId' => $this->pjaxContainerId
+        ]);
         parent::init();
     }
 
@@ -63,12 +73,21 @@ public function init()
      */
     public function run()
     {
-        $id = $this->id;
         $view = $this->getView();
         LinkPreviewAsset::register($view);
-        $options = Json::encode($this->clientOptions);
-        $view->registerJs("$('#{$id}').linkPreview({$options});", $view::POS_END);
+        $options = $this->getClientOptions();
+        $view->registerJs("$('{$this->selector}').linkPreview({$options});", $view::POS_END);
         parent::run();
     }
 
+    /**
+     * Get client options
+     * @return string
+     */
+    protected function getClientOptions()
+    {
+        $this->clientOptions['pjaxContainer'] = '#' . $this->pjaxContainerId;
+        return Json::encode($this->clientOptions);
+    }
+
 }