From 7c122f1ee053f62ccbf986b60a94bcbe0a6afd7e Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Mon, 11 Mar 2013 13:05:15 -0700
Subject: [PATCH] More keydown hacks (fixes #923)

---
 js/id/ui/preset_grid.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/js/id/ui/preset_grid.js b/js/id/ui/preset_grid.js
index b2ed1337d..a8eb986cf 100644
--- a/js/id/ui/preset_grid.js
+++ b/js/id/ui/preset_grid.js
@@ -29,7 +29,7 @@ iD.ui.PresetGrid = function(context) {
             .attr('class', 'preset-grid-search major')
             .attr('placeholder','Search')
             .attr('type', 'search')
-            .one('keydown', function() {
+            .on('keydown', function() {
                 // hack to let delete shortcut work when search is autofocused
                 if (search.property('value').length === 0 &&
                     (d3.event.keyCode === d3.keybinding.keyCodes['⌫'] ||
@@ -37,6 +37,14 @@ iD.ui.PresetGrid = function(context) {
                     d3.event.preventDefault();
                     d3.event.stopPropagation();
                     iD.operations.Delete([entity.id], context)();
+                } else if (search.property('value').length === 0 &&
+                    (d3.event.ctrlKey || d3.event.metaKey) &&
+                    d3.event.keyCode === d3.keybinding.keyCodes['z']) {
+                    d3.event.preventDefault();
+                    d3.event.stopPropagation();
+                    context.undo();
+                } else if (!d3.event.ctrlKey && !d3.event.metaKey) {
+                    d3.select(this).on('keydown', null);
                 }
             })
             .on('keyup', function() {