From 44ad45698c4625844629696be94dcc60ca691f48 Mon Sep 17 00:00:00 2001
From: hsun1316 <hs667@cornell.edu>
Date: Thu, 21 Feb 2019 12:07:17 -0500
Subject: [PATCH] Made blocks return to original position if trash is canceled

---
 core/block_svg.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/block_svg.js b/core/block_svg.js
index 0f5f51546..04ac82d2f 100644
--- a/core/block_svg.js
+++ b/core/block_svg.js
@@ -690,6 +690,7 @@ Blockly.BlockSvg.prototype.onMouseUp_ = function(e) {
         new Blockly.Events.Ui(this, 'click', undefined, undefined));
   }
   Blockly.terminateDrag_();
+  var oldXY = this.dragStartXY_;
 
   var deleteArea = this.workspace.isDeleteArea(e);
 
@@ -719,6 +720,11 @@ Blockly.BlockSvg.prototype.onMouseUp_ = function(e) {
       }
       if (confirmedDelete) {
 	Blockly.selected.dispose(false, true);
+      } else {
+        //Move block back to original position if trash is canceled
+        var group = Blockly.selected.getSvgRoot();
+        group.translate_ = 'translate(' + oldXY.x + ',' + oldXY.y + ')';
+        group.setAttribute('transform', group.translate_ + group.skew_);
       }
     });
   }