From 6f766830056d58960082d2ff556bcefd2129fb71 Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <Kirill.Likhodedov@jetbrains.com>
Date: Tue, 23 Sep 2014 19:08:01 +0400
Subject: [PATCH] [push] Enable show diff from the repository node

---
 .../src/com/intellij/dvcs/push/ui/PushLog.java   | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/platform/dvcs-impl/src/com/intellij/dvcs/push/ui/PushLog.java b/platform/dvcs-impl/src/com/intellij/dvcs/push/ui/PushLog.java
index 15c9aa9ec51b..91a9bc4a2840 100644
--- a/platform/dvcs-impl/src/com/intellij/dvcs/push/ui/PushLog.java
+++ b/platform/dvcs-impl/src/com/intellij/dvcs/push/ui/PushLog.java
@@ -188,7 +188,7 @@ public class PushLog extends JPanel implements TypeSafeDataProvider {
   }
 
   @NotNull
-  private static Collection<? extends Change> collectAllChanges(@NotNull RepositoryNode rootNode) {
+  private static Collection<Change> collectAllChanges(@NotNull RepositoryNode rootNode) {
     ArrayList<Change> changes = new ArrayList<Change>();
     if (rootNode.getChildCount() <= 0) return changes;
     for (DefaultMutableTreeNode childNode = (DefaultMutableTreeNode)rootNode.getFirstChild();
@@ -218,9 +218,19 @@ public class PushLog extends JPanel implements TypeSafeDataProvider {
       if (selectedNodes.length == 0) {
         return;
       }
-      Object object = selectedNodes[0].getUserObject();
+      DefaultMutableTreeNode node = selectedNodes[0];
+      Object object = node.getUserObject();
+
+      Collection<Change> changes = null;
       if (object instanceof VcsFullCommitDetails) {
-        sink.put(key, ArrayUtil.toObjectArray(((VcsFullCommitDetails)object).getChanges(), Change.class));
+        changes = ((VcsFullCommitDetails)object).getChanges();
+      }
+      else if (node instanceof RepositoryNode) {
+        changes = collectAllChanges((RepositoryNode)node);
+      }
+
+      if (changes != null) {
+        sink.put(key, ArrayUtil.toObjectArray(changes, Change.class));
       }
     }
   }