add tooltip with all article tags

functions.php

@@ -4771,7 +4771,11 @@
 				$rv['content'] .= "<div clear='both'>" . $line["title"] . "$entry_author</div>";
 			}
 
-			$tags_str = format_tags_string(get_article_tags($link, $id), $id);
+			$tags = get_article_tags($link, $id);
+			$tags_str = format_tags_string($tags, $id);
+			$tags_str_full = join(", ", $tags);
+
+			if (!$tags_str_full) $tags_str_full = __("no tags");
 
 			if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
 
@@ -4784,6 +4788,10 @@
 					<a title=\"".__('Edit tags for this article')."\"
 					href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
 
+				$rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
+					id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
+					position=\"below\">$tags_str_full</div>";
+
 				$rv['content'] .= "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
 						class='tagsPic' style=\"cursor : pointer\"
 						onclick=\"postOpenInNewTab(event, $id)\"

modules/backend-rpc.php

@@ -359,7 +359,7 @@
 
 				/* update tag cache */
 
-				$tags_str = join(",", $tags_to_cache);
+				$tags_str = asort(join(",", $tags_to_cache));
 
 				db_query($link, "UPDATE ttrss_user_entries
 					SET tag_cache = '$tags_str' WHERE ref_id = '$id'
@@ -373,10 +373,14 @@
 				$memcache->delete($obj_id);
 			}
 
-			$tags_str = format_tags_string(get_article_tags($link, $id), $id);
+			$tags = get_article_tags($link, $id);
+			$tags_str = format_tags_string($tags, $id);
+			$tags_str_full = join(", ", $tags);
+
+			if (!$tags_str_full) $tags_str_full = __("no tags");
 
 			print json_encode(array("tags_str" => array("id" => $id,
-				"content" => $tags_str)));
+				"content" => $tags_str, "content_full" => $tags_str_full)));
 
 			return;
 		}

viewfeed.js

@@ -992,10 +992,10 @@ function editArticleTags(id) {
 							var id = tags_str.id;
 
 							var tags = $("ATSTR-" + id);
+							var tooltip = dijit.byId("ATSTRTIP-" + id);
 
-							if (tags) {
-								tags.innerHTML = tags_str.content;
-							}
+							if (tags) tags.innerHTML = tags_str.content;
+							if (tooltip) tooltip.attr('label', tags_str.content_full);
 
 							cache_invalidate(id);
 						}
@@ -1536,6 +1536,9 @@ function zoomToArticle(event, id) {
 			if (!event || !event.shiftKey)
 				return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
 
+		if (dijit.byId("ATSTRTIP-" + id))
+			dijit.byId("ATSTRTIP-" + id).destroyRecursive();
+
 		if (cached_article) {
 			//closeArticlePanel();