Merge pull request #1245 from daniel-beck/JENKINS-19250

[FIX JENKINS-19250] Add causes to queue item tool tip

core/src/main/java/hudson/model/Queue.java

@@ -114,6 +114,9 @@ import org.kohsuke.stapler.HttpResponses;
 import org.kohsuke.stapler.export.Exported;
 import org.kohsuke.stapler.export.ExportedBean;
 
+import org.kohsuke.accmod.Restricted;
+import org.kohsuke.accmod.restrictions.DoNotUse;
+
 import com.thoughtworks.xstream.XStream;
 import com.thoughtworks.xstream.converters.basic.AbstractSingleValueConverter;
 import javax.annotation.CheckForNull;
@@ -1403,6 +1406,16 @@ public class Queue extends ResourceController implements Saveable {
             return Collections.emptyList();
         }
 
+        @Restricted(DoNotUse.class) // used from Jelly
+        public String getCausesDescription() {
+            List<Cause> causes = getCauses();
+            StringBuilder s = new StringBuilder();
+            for (Cause c : causes) {
+                s.append(c.getShortDescription()).append('\n');
+            }
+            return s.toString();
+        }
+
         protected Item(Task task, List<Action> actions, int id, FutureImpl future) {
             this.task = task;
             this.id = id;

core/src/main/resources/lib/hudson/queue.jelly

@@ -73,7 +73,7 @@ THE SOFTWARE.
               <j:set var="stuck" value="${item.isStuck()}"/>
               <j:choose>
                 <j:when test="${h.hasPermission(item.task,item.task.READ)}">
-                  <a href="${rootURL}/${item.task.url}" class="model-link inside tl-tr" tooltip="${item.why}${h.escape(item.params)}&lt;br&gt;${%WaitingFor(item.inQueueForString)}">
+                  <a href="${rootURL}/${item.task.url}" class="model-link inside tl-tr" tooltip="${h.escape(item.causesDescription)}${item.why}${h.escape(item.params)}&lt;br&gt;${%WaitingFor(item.inQueueForString)}">
                     <l:breakable value="${item.task.fullDisplayName}"/>
                   </a>
                   <!-- TODO include estimated number as in BuildHistoryWidget/entries.jelly if possible -->