JS - Fix mouse event names

- fix issue #12895

src/display/annotation_layer.js

@@ -370,8 +370,8 @@ class LinkAnnotationElement extends AnnotationElement {
       parameters.data.isTooltipOnly ||
       (parameters.data.actions &&
         (parameters.data.actions.Action ||
-          parameters.data.actions.MouseUp ||
-          parameters.data.actions.MouseDown))
+          parameters.data.actions["Mouse Up"] ||
+          parameters.data.actions["Mouse Down"]))
     );
     super(parameters, { isRenderable, createQuadrilaterals: true });
   }
@@ -395,7 +395,9 @@ class LinkAnnotationElement extends AnnotationElement {
       this._bindLink(link, data.dest);
     } else if (
       data.actions &&
-      (data.actions.Action || data.actions.MouseUp || data.actions.MouseDown) &&
+      (data.actions.Action ||
+        data.actions["Mouse Up"] ||
+        data.actions["Mouse Down"]) &&
       this.enableScripting &&
       this.hasJSActions
     ) {
@@ -575,11 +577,7 @@ class WidgetAnnotationElement extends AnnotationElement {
 
   _setEventListeners(element, names, getter) {
     for (const [baseName, eventName] of names) {
-      if (
-        eventName === "Action" ||
-        (this.data.actions &&
-          this.data.actions[eventName.replace(" ", "")] !== undefined)
-      ) {
+      if (eventName === "Action" || this.data.actions?.[eventName]) {
         this._setEventListener(element, baseName, eventName, getter);
       }
     }

src/scripting_api/event.js

@@ -83,7 +83,7 @@ class EventDispatcher {
       return;
     }
 
-    const name = baseEvent.name.replace(" ", "");
+    const name = baseEvent.name;
     const source = this._objects[id];
     const event = (globalThis.event = new Event(baseEvent));
     let savedChange;

test/unit/annotation_spec.js

@@ -2238,15 +2238,15 @@ describe("annotation", function () {
         })
         .then(object => {
           const actions = object.actions;
-          expect(actions.MouseEnter).toEqual(["hello()"]);
-          expect(actions.MouseExit).toEqual([
+          expect(actions["Mouse Enter"]).toEqual(["hello()"]);
+          expect(actions["Mouse Exit"]).toEqual([
             "world()",
             "olleh()",
             "foo()",
             "dlrow()",
             "oof()",
           ]);
-          expect(actions.MouseDown).toEqual(["bar()"]);
+          expect(actions["Mouse Down"]).toEqual(["bar()"]);
           done();
         }, done.fail);
     });