first import

sites/all/modules/panels/plugins/styles/block.inc

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * @file
+ * Definition of the 'block' panel style.
+ */
+
+// Plugin definition
+$plugin = array(
+  'title' => t('System block'),
+  'description' => t('Display the pane as a system block; this is more restrictive than the default.'),
+  'render pane' => 'panels_block_style_render_pane',
+  'weight' => -10,
+);
+
+/**
+ * Render callback.
+ *
+ * @ingroup themeable
+ */
+function theme_panels_block_style_render_pane($vars) {
+  $content = $vars['content'];
+  $pane = $vars['pane'];
+
+  if (empty($content->content)) {
+    return;
+  }
+
+  $block = clone($content);
+
+  if (!empty($block->title)) {
+    $block->subject = $block->title;
+  }
+  if (!isset($block->subject)) {
+    $block->subject = '';
+  }
+
+  $block->region = $pane->panel;
+  if (!isset($block->module)) {
+    $block->module = $block->type;
+  }
+  if (!isset($block->delta)) {
+    $block->delta = $block->subtype;
+  }
+
+  $build = $block->content;
+  if (is_string($build)) {
+    $build = array('#markup' => $build);
+  }
+
+  $build['#block'] = $block;
+  $build['#theme_wrappers'][] = 'block';
+
+  // If using per pane classes, $block->css_class will need to be added in your
+  // preprocess or template, along with any other Panels specific field you
+  // might want to utilize.
+  return drupal_render($build);
+}
+