Polished previous bug fix

Now it's possible to use all non-resizable tool and even copy a locked layer to paste it on an unlocked one.

js/tools/DrawingTool.js

@@ -0,0 +1,5 @@
+class DrawingTool extends Tool {
+    constructor (name, options) {
+        super(name, options);
+    }
+}

js/tools/FillTool.js

@@ -1,4 +1,4 @@
-class FillTool extends Tool {
+class FillTool extends DrawingTool {
     constructor(name, options, switchFunction) {
         super(name, options);
 

js/tools/MoveSelectionTool.js

@@ -1,4 +1,4 @@
-class MoveSelectionTool extends Tool {
+class MoveSelectionTool extends DrawingTool {
     currSelection = undefined;
     selectionTool = undefined;
     endTool = undefined;
@@ -25,6 +25,8 @@ class MoveSelectionTool extends Tool {
     }
 
     cutSelection() {
+        if (currFile.currentLayer.isLocked)
+            return;
         this.cutting = true;
         this.lastCopiedSelection = this.currSelection;
         this.endSelection();
@@ -35,6 +37,8 @@ class MoveSelectionTool extends Tool {
     }
 
     pasteSelection() {
+        if (currFile.currentLayer.isLocked)
+            return;
         if (this.lastCopiedSelection === undefined)
             return;
         // Finish the current selection and start a new one with the same data

js/tools/ResizableTool.js

@@ -1,4 +1,4 @@
-class ResizableTool extends Tool {
+class ResizableTool extends DrawingTool {
     startResizePos = undefined;
     currSize = 1;
 	prevSize = 1;