add undo/redo shortcut and idea selection-indicator to LabyrinthJS

While linking ideas, no selection-indicator of selected idea was visible thereby creating confusion. Added a selection-indicator to the currently selected idea and auto-deselect after making a link. Signed-off-by: Aayush Raj <[email protected]>
llaske · Apr 6, 2024 · 5a1f217 · 5a1f217
1 parent bb07df3
commit 5a1f217
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/activities/LabyrinthJS.activity/js/activity.js b/activities/LabyrinthJS.activity/js/activity.js
@@ -362,11 +362,18 @@ define(["sugar-web/activity/activity", "l10n", "sugar-web/datastore", "sugar-web
 				if (lastSelected == this) lastSelected = null;
 				return;
 			} else if (currentMode == 1) {
+				if (isSelectedNode(this)) {
+					unselectNode(this);
+					lastSelected = null;
+				}
+				else { selectNode(this); }
 				if (lastSelected != null && lastSelected != this) {
 					createEdge(lastSelected, this);
+					unselectNode(this);
+					lastSelected = null;
 					pushState();
 				}
-				lastSelected = this;
+				if (isSelectedNode(this)) lastSelected = this;
 				return;
 			} else {
 				if (isSelectedNode(this)) {