added gliding animation when inserting blocks using the keyboard

HISTORY.md

@@ -3,6 +3,7 @@
 ## in development:
 * **New Features:**
 * **Notable Changes:**
+    * gliding animation when inserting  blocks using the keyboard
 * **Notable Fixes:**
     * list watchers occasionally didn't show cells after reassigning a changed list to a variable
     * FOREACH over a linked list failed for scripts mutating it
@@ -14,6 +15,7 @@
 * threads: fixed an issue when iterating over a linked list with a script mutating it, thanks, Brian!
 * cloud: fixed collection grid page size, thanks, Bernat! 
 * morphic: fixed a race condition in Morph.glideTo()
+* blocks: added gliding animation when inserting  blocks using the keyboard
 
 ## v5
 ### 2019-06-27

snap.html

@@ -6,7 +6,7 @@
         <link rel="shortcut icon" href="src/favicon.ico">
         <script type="text/javascript" src="src/morphic.js?version=2019-07-01"></script>
         <script type="text/javascript" src="src/widgets.js?version=2019-06-27"></script>
-        <script type="text/javascript" src="src/blocks.js?version=2019-06-27"></script>
+        <script type="text/javascript" src="src/blocks.js?version=2019-07-01"></script>
         <script type="text/javascript" src="src/threads.js?version=2019-07-01"></script>
         <script type="text/javascript" src="src/objects.js?version=2019-06-27"></script>
         <script type="text/javascript" src="src/gui.js?version=2019-07-01"></script>

src/blocks.js

@@ -148,7 +148,7 @@ CustomCommandBlockMorph, SymbolMorph, ToggleButtonMorph, DialMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2019-June-03';
+modules.blocks = '2019-July-01';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -12886,6 +12886,18 @@ ScriptFocusMorph.prototype.deleteLastElement = function () {
 };
 
 ScriptFocusMorph.prototype.insertBlock = function (block) {
+    // insert the block after a short gliding animation
+    var myself = this;
+    this.world().add(block);
+    block.glideTo(
+        this.position(),
+        null,
+        null,
+        function () {myself.fillInBlock(block); }
+    );
+};
+
+ScriptFocusMorph.prototype.fillInBlock = function (block) {
     var pb, stage, ide, rcvr;
     block.isTemplate = false;
     block.isDraggable = true;