support exporting atomic lists from list watchers everywhere when in edit mode

HISTORY.md

@@ -3,10 +3,11 @@
 ## in development:
 
 * **New Features:**
-    * support deleting and inserting individual variadic slots, script vars & ring params
-    * support dragging blocks, costumes and sounds out from result bubbles, and from speech balloons and variable watchers when in edit mode
-    * support exporting costumes and sounds from result bubbles, and from speech balloons and variable watchers when in edit mode
-    * support exporting text and numbers from result bubbles and speech balloons when in edit mode
+    * deleting and inserting individual variadic slots, script vars & ring params
+    * dragging blocks, costumes and sounds out from result bubbles, and from speech balloons and variable watchers when in edit mode
+    * exporting costumes and sounds from result bubbles, and from speech balloons and variable watchers when in edit mode
+    * exporting text and numbers from result bubbles and speech balloons when in edit mode
+    * exporting atomic lists from list watchers everywhere when in edit mode
 * **Notable Changes:**
 * **Notable Fixes:**
     * fixed layout for scrolling custom categories, thanks, Eckart, for the bug report!
@@ -24,6 +25,7 @@
 * objects: support exporting sounds and costumes from variable watchers in edit mode
 * blocks: support exporting numbers and text from result bubbles
 * objects: support exporting numbers and text from speech balloons when in edit mode
+* lists: support exporting atomic lists from list watchers everywhere when in edit mode
 
 ### 2022-01-27
 * blocks, gui: support dragging costumes and sounds out from result bubbles

snap.html

@@ -22,7 +22,7 @@
         <script src="src/scenes.js?version=2021-11-24"></script>
         <script src="src/gui.js?version=2022-01-27"></script>
         <script src="src/paint.js?version=2021-07-05"></script>
-        <script src="src/lists.js?version=2021-12-15"></script>
+        <script src="src/lists.js?version=2022-01-28"></script>
         <script src="src/byob.js?version=2022-01-07"></script>
         <script src="src/tables.js?version=2022-01-28"></script>
         <script src="src/sketch.js?version=2021-11-03"></script>

src/lists.js

@@ -7,7 +7,7 @@
     written by Jens Mönig and Brian Harvey
     jens@moenig.org, bh@cs.berkeley.edu
 
-    Copyright (C) 2021 by Jens Mönig and Brian Harvey
+    Copyright (C) 2022 by Jens Mönig and Brian Harvey
 
     This file is part of Snap!.
 
@@ -65,7 +65,7 @@ ZERO, WHITE*/
 
 // Global settings /////////////////////////////////////////////////////
 
-modules.lists = '2021-December-15';
+modules.lists = '2022-January-28';
 
 var List;
 var ListWatcherMorph;
@@ -1472,7 +1472,10 @@ ListWatcherMorph.prototype.expand = function (maxExtent) {
 // ListWatcherMorph context menu
 
 ListWatcherMorph.prototype.userMenu = function () {
-    if (!List.prototype.enableTables) {
+    var world = this.world(),
+        ide = detect(world.children, m => m instanceof IDE_Morph);
+
+    if (!List.prototype.enableTables || ide.isAppMode) {
         return this.escalateEvent('userMenu');
     }
     var menu = new MenuMorph(this);
@@ -1481,8 +1484,6 @@ ListWatcherMorph.prototype.userMenu = function () {
         menu.addItem(
             'blockify',
             () => {
-                var world = this.world(),
-                    ide = detect(world.children, m => m instanceof IDE_Morph);
                 this.list.blockify().pickUp(world);
                 world.hand.grabOrigin = {
                     origin: ide.palette,
@@ -1490,6 +1491,24 @@ ListWatcherMorph.prototype.userMenu = function () {
                 };
             }
         );
+        menu.addItem(
+            'export',
+            () => {
+                if (this.list.canBeCSV()) {
+                    ide.saveFileAs(
+                        this.list.asCSV(),
+                        'text/csv;charset=utf-8', // RFC 4180
+                        localize('data') // name
+                    );
+                } else {
+                    ide.saveFileAs(
+                        this.list.asJSON(true), // guessObjects
+                        'text/json;charset=utf-8',
+                        localize('data') // name
+                    );
+                }
+            }
+        );
     }
     menu.addLine();
     menu.addItem(