fix widget rendering

_widgets.php

@@ -12,16 +12,12 @@
  */
 
 if (!defined('DC_RC_PATH')) {
-
     return null;
 }
 
 $core->blog->settings->addNamespace('postwidgettext');
 
-$core->addBehavior(
+$core->addBehavior('initWidgets', ['postWidgetTextWidget', 'init']);
-    'initWidgets',
-    array('postWidgetTextWidget', 'init')
-);
 
 /**
  * @ingroup DC_PLUGIN_POSTWIDGETTEXT
@@ -32,50 +28,40 @@ class postWidgetTextWidget
 {
     public static function init($w)
     {
-        global $core;
+        $w
-
+            ->create(
-        $w->create(
                 'postwidgettext',
                 __('Post widget text'),
-            array('postWidgetTextWidget', 'display'),
+                ['postWidgetTextWidget', 'display'],
                 null,
                 __('Add a widget with a text related to an entry')
-        );
+            )
-        $w->postwidgettext->setting(
+            ->addTitle(__('More about this entry'))
-            'title',
+            ->setting(
-            __('Title:'),
-            __('More about this entry'),
-            'text'
-        );
-        $w->postwidgettext->setting(
                 'excerpt',
                 __('Use excerpt if no content'),
                 0,
                 'check'
-        );
+            )
-        $w->postwidgettext->setting(
+            ->setting(
                 'show',
                 __('Show widget even if empty'),
                 0,
                 'check'
-        );
+            )
-        $w->postwidgettext->setting(
+            ->addContentOnly()
-            'content_only',
+            ->addClass()
-            __('Content only'),
+            ->addOffline();
-            0,
-            'check'
-        );
-        $w->postwidgettext->setting(
-            'class',
-            __('CSS class:'),
-            ''
-        );
     }
 
     public static function display($w)
     {
         global $core, $_ctx; 
 
+        if ($w->offline) {
+            return null;
+        }
+
         if (!$core->blog->settings->postwidgettext->postwidgettext_active
             || !$_ctx->exists('posts') 
             || !$_ctx->posts->post_id
@@ -83,15 +69,14 @@ class postWidgetTextWidget
             return null;
         }
 
-        $title = (strlen($w->title) > 0) ? 
+        $title = $w->title ?: null;
-                '<h2>'.html::escapeHTML($w->title).'</h2>' : null;
         $content = '';
 
         $pwt = new postWidgetText($core);
-        $rs = $pwt->getWidgets(array('post_id'=>$_ctx->posts->post_id));
+        $rs = $pwt->getWidgets(['post_id' => $_ctx->posts->post_id]);
 
         if ('' != $rs->option_title) {
-            $title = '<h2>'.$rs->option_title.'</h2>';
+            $title = $rs->option_title;
         }
         if ('' != $rs->option_content_xhtml) {
             $content = $rs->option_content_xhtml;
@@ -100,12 +85,11 @@ class postWidgetTextWidget
             $content = $_ctx->posts->post_excerpt_xhtml;
         }
 
-        return '' == $content && !$w->show ?
+        return $w->renderDiv(
-            null : 
+            $w->content_only,
-            ($w->content_only ? '' : '<div class="postwidgettext'.
+            'postwidgettext ' . $w->class,
-            ($w->class ? ' '.html::escapeHTML($w->class) : '').'">').
+            '',
-            $title.
+            ($title ? $w->renderTitle(html::escapeHTML($title)) : '') . $content
-            $content.
+        );
-            ($w->content_only ? '' : '</div>');
     }
 }