Import sounds from the project menu

Thanks, Brian, for the changeset!

gui.js

@@ -64,7 +64,7 @@ standardSettings, Sound, BlockMorph, ToggleMorph, InputSlotDialogMorph,
 ScriptsMorph, isNil, SymbolMorph, BlockExportDialogMorph,
 BlockImportDialogMorph, SnapTranslator, localize, List, InputSlotMorph,
 SnapCloud, Uint8Array, HandleMorph, SVG_Costume, fontHeight, hex_sha512,
-sb, CommentMorph, CommandBlockMorph, BlockLabelPlaceHolderMorph*/
+sb, CommentMorph, CommandBlockMorph, BlockLabelPlaceHolderMorph, Audio*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
@@ -2415,6 +2415,32 @@ IDE_Morph.prototype.projectMenu = function () {
         },
         'Select a costume from the media library'
     );
+    menu.addItem(
+        localize('Sounds') + '...',
+        function () {
+            var names = this.getCostumesList('Sounds'),
+                libMenu = new MenuMorph(this, 'Import sound');
+
+            function loadSound(name) {
+                var url = 'Sounds/' + name,
+                    audio = new Audio();
+                audio.src = url;
+                audio.load();
+                myself.droppedAudio(audio, name);
+            }
+
+            names.forEach(function (line) {
+                if (line.length > 0) {
+                    libMenu.addItem(
+                        line,
+                        function () {loadSound(line); }
+                    );
+                }
+            });
+            libMenu.popup(world, pos);
+        },
+        'Select a sound from the media library'
+    );
 
     menu.popup(world, pos);
 };

history.txt

@@ -2078,4 +2078,5 @@ ______
 
 140204
 ------
-* GUI: Import costumes and background from the project menu, thanks, Brian, for the changeset!
+* GUI: Import costumes and backgrounds from the project menu, thanks, Brian, for the changeset!
+* GUI: Import sounds from the project menu, thanks, Brian, for the changeset!