refactored custom block input slot options / menus

avoid errors in case users edit menus in ways that are not supported

HISTORY.md

@@ -36,6 +36,9 @@
     * Greek, thanks, Alexandros!
     * German
 
+### 2019-02-06
+* Blocks, BYOB: refactored custom block input options and drop-down menus
+
 ### 2019-02-05
 * BYOB: radio button symbols for special slot / drop-down menu options
 

snap.html

@@ -6,13 +6,13 @@
         <link rel="shortcut icon" href="src/favicon.ico">
         <script type="text/javascript" src="src/morphic.js?version=2019-01-10"></script>
         <script type="text/javascript" src="src/widgets.js?version=2018-10-02"></script>
-        <script type="text/javascript" src="src/blocks.js?version=2019-02-04"></script>
+        <script type="text/javascript" src="src/blocks.js?version=2019-02-06"></script>
         <script type="text/javascript" src="src/threads.js?version=2019-01-28"></script>
         <script type="text/javascript" src="src/objects.js?version=2019-01-28"></script>
         <script type="text/javascript" src="src/gui.js?version=2019-01-28"></script>
         <script type="text/javascript" src="src/paint.js?version=2018-10-02"></script>
         <script type="text/javascript" src="src/lists.js?version=2019-01-10"></script>
-        <script type="text/javascript" src="src/byob.js?version=2019-02-05"></script>
+        <script type="text/javascript" src="src/byob.js?version=2019-02-06"></script>
         <script type="text/javascript" src="src/tables.js?version=2018-10-02"></script>
         <script type="text/javascript" src="src/symbols.js?version=2019-01-14"></script>
         <script type="text/javascript" src="src/sketch.js?version=2018-10-02"></script>

src/blocks.js

@@ -148,7 +148,7 @@ CustomCommandBlockMorph, SymbolMorph, ToggleButtonMorph, DialMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2019-February-04';
+modules.blocks = '2019-February-06';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -8917,6 +8917,10 @@ InputSlotMorph.prototype.pianoKeyboardMenu = function () {
     menu.selectKey(+this.evaluate());
 };
 
+InputSlotMorph.prototype.directionDialMenu = function () {
+    return {'§_dir': null};
+};
+
 InputSlotMorph.prototype.setChoices = function (dict, readonly) {
     // externally specify choices and read-only status,
     // used for custom blocks

src/byob.js

@@ -108,7 +108,7 @@ BooleanSlotMorph, XML_Serializer, SnapTranslator*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.byob = '2019-February-05';
+modules.byob = '2019-February-06';
 
 // Declarations
 
@@ -322,7 +322,18 @@ CustomBlockDefinition.prototype.dropDownMenuOf = function (inputName) {
             this.declarations.get(inputName)[2]) {
         if ((this.declarations.get(inputName)[2].indexOf('§_') === 0)) {
             fname = this.declarations.get(inputName)[2].slice(2);
-            if (fname !== 'dir') {
+            if (contains(
+                [
+                    'messagesReceivedMenu',
+                    'objectsMenu',
+                    'costumesMenu',
+                    'soundsMenu',
+                    'getVarNamesDict',
+                    'pianoKeyboardMenu',
+                    'directionDialMenu'
+                ],
+                fname
+            )) {
                 return fname;
             }
         }
@@ -3713,6 +3724,8 @@ InputSlotDialogMorph.prototype.specialOptionsMenu = function () {
         );
     }
 
+    // +++ add another radio button for "options"
+    addSpecialOptions('(none)', '');
     addSpecialOptions('messages', '§_messagesReceivedMenu');
     addSpecialOptions('objects', '§_objectsMenu');
     // addSpecialOptions('data types', '§_typesMenu');