linkify resized images unless already inside a link

1 files changed, 17 insertions, 4 deletions

diff --git a/init.php b/init.php
index b2b5da1..211e7dd 100644
--- a/init.php
+++ b/init.php
@@ -246,13 +246,26 @@ class Api_Resize_Media extends Plugin {
 			$imgs = $xpath->query("//img[@src]");
 
 			foreach ($imgs as $img) {
-				$new_src = $this->rewrite_url_if_needed($img->getAttribute("src"), $width);
+				$orig_src = $img->getAttribute("src");
+				$new_src = $this->rewrite_url_if_needed($orig_src, $width);
+
+				if ($new_src != $orig_src) {
+					$need_saving = true;
+
+					$parent = $img->parentNode;
+
+					if ($parent && $parent->tagName != "a") {
+						$img_link = $doc->createElement("a");
+						$img_link->setAttribute("href", $orig_src);
+						$img_link->setAttribute("target", "_blank");
+
+						$parent->replaceChild($img_link, $img);
+
+						$img_link->appendChild($img);
+					}
 
-				if ($new_src != $img->getAttribute("src")) {
 					$img->setAttribute("src", $new_src);
 					$img->removeAttribute("srcset");
-
-					$need_saving = true;
 				}
 			}