Removed current keymap from switch (#165)

Closes #160

src/components/popover/popover.component.ts

@@ -35,6 +35,7 @@ enum TabName {
 })
 export class PopoverComponent implements OnInit {
     @Input() defaultKeyAction: KeyAction;
+    @Input() currentKeymap: Keymap;
 
     @Output() cancel = new EventEmitter<any>();
     @Output() remap = new EventEmitter<KeyAction>();
@@ -49,7 +50,10 @@ export class PopoverComponent implements OnInit {
     private keymaps$: Observable<Keymap[]>;
 
     constructor(private store: Store<AppState>) {
-        this.keymaps$ = store.let(getKeymapEntities());
+        this.keymaps$ = store.let(getKeymapEntities())
+            .map((keymaps: Keymap[]) =>
+                keymaps.filter((keymap: Keymap) => this.currentKeymap.abbreviation !== keymap.abbreviation)
+            );
     }
 
     ngOnInit() {

src/components/popover/tab/keymap/keymap-tab.component.ts

@@ -24,12 +24,13 @@ export class KeymapTabComponent implements OnInit, Tab {
     }
 
     ngOnInit() {
-        this.keymapOptions = this.keymaps.map((keymap: Keymap): Select2OptionData => {
-            return {
-                id: keymap.abbreviation,
-                text: keymap.name
-            };
-        });
+        this.keymapOptions = this.keymaps
+            .map((keymap: Keymap): Select2OptionData => {
+                return {
+                    id: keymap.abbreviation,
+                    text: keymap.name
+                };
+            });
 
         this.keymapOptions = [
             {

src/components/svg/wrap/svg-keyboard-wrap.component.html

@@ -9,7 +9,7 @@
         >
         </svg-keyboard>
     </div>
-    <popover *ngIf="popoverShown" [defaultKeyAction]="popoverInitKeyAction" (cancel)="hidePopover()" (remap)="onRemap($event)"></popover>
+    <popover *ngIf="popoverShown" [defaultKeyAction]="popoverInitKeyAction" [currentKeymap]="keymap" (cancel)="hidePopover()" (remap)="onRemap($event)"></popover>
     <div class="tooltip top fade" role="tooltip"
          [class.in]="tooltipData.shown"
          [style.top.px]="tooltipData.posTop"