Suppress unused argument warnings in unavoidable cases

It would be nice if Eclipse were smart enough to ignore unused
argument warnings on @UiHandler and @Option methods, but alas it does
not. Suppressing these is ugly, but based on all the cleanup in the
previous commit, the benefit outweighs the cost.

Change-Id: I743917787ffb53be034eee3af2c525652fc18cb0

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccessSectionEditor.java

@@ -109,17 +109,17 @@ public class AccessSectionEditor extends Composite implements
   }
 
   @UiHandler("deleteSection")
-  void onDeleteHover(MouseOverEvent event) {
+  void onDeleteHover(@SuppressWarnings("unused") MouseOverEvent event) {
     normal.addClassName(AdminResources.I.css().deleteSectionHover());
   }
 
   @UiHandler("deleteSection")
-  void onDeleteNonHover(MouseOutEvent event) {
+  void onDeleteNonHover(@SuppressWarnings("unused") MouseOutEvent event) {
     normal.removeClassName(AdminResources.I.css().deleteSectionHover());
   }
 
   @UiHandler("deleteSection")
-  void onDeleteSection(ClickEvent event) {
+  void onDeleteSection(@SuppressWarnings("unused") ClickEvent event) {
     isDeleted = true;
 
     if (name.isVisible()
@@ -139,7 +139,7 @@ public class AccessSectionEditor extends Composite implements
   }
 
   @UiHandler("undoDelete")
-  void onUndoDelete(ClickEvent event) {
+  void onUndoDelete(@SuppressWarnings("unused") ClickEvent event) {
     isDeleted = false;
     deleted.getStyle().setDisplay(Display.NONE);
     normal.getStyle().setDisplay(Display.BLOCK);

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/PermissionEditor.java

@@ -145,31 +145,31 @@ public class PermissionEditor extends Composite implements Editor<Permission>,
   }
 
   @UiHandler("deletePermission")
-  void onDeleteHover(MouseOverEvent event) {
+  void onDeleteHover(@SuppressWarnings("unused") MouseOverEvent event) {
     addStyleName(AdminResources.I.css().deleteSectionHover());
   }
 
   @UiHandler("deletePermission")
-  void onDeleteNonHover(MouseOutEvent event) {
+  void onDeleteNonHover(@SuppressWarnings("unused") MouseOutEvent event) {
     removeStyleName(AdminResources.I.css().deleteSectionHover());
   }
 
   @UiHandler("deletePermission")
-  void onDeletePermission(ClickEvent event) {
+  void onDeletePermission(@SuppressWarnings("unused") ClickEvent event) {
     isDeleted = true;
     normal.getStyle().setDisplay(Display.NONE);
     deleted.getStyle().setDisplay(Display.BLOCK);
   }
 
   @UiHandler("undoDelete")
-  void onUndoDelete(ClickEvent event) {
+  void onUndoDelete(@SuppressWarnings("unused") ClickEvent event) {
     isDeleted = false;
     deleted.getStyle().setDisplay(Display.NONE);
     normal.getStyle().setDisplay(Display.BLOCK);
   }
 
   @UiHandler("beginAddRule")
-  void onBeginAddRule(ClickEvent event) {
+  void onBeginAddRule(@SuppressWarnings("unused") ClickEvent event) {
     beginAddRule();
   }
 
@@ -186,7 +186,7 @@ public class PermissionEditor extends Composite implements Editor<Permission>,
   }
 
   @UiHandler("addRule")
-  void onAddGroupByClick(ClickEvent event) {
+  void onAddGroupByClick(@SuppressWarnings("unused") ClickEvent event) {
     GroupReference ref = groupToAdd.getValue();
     if (ref != null) {
       addGroup(ref);
@@ -204,12 +204,13 @@ public class PermissionEditor extends Composite implements Editor<Permission>,
   }
 
   @UiHandler("groupToAdd")
-  void onAbortAddGroup(CloseEvent<GroupReferenceBox> event) {
+  void onAbortAddGroup(
+      @SuppressWarnings("unused") CloseEvent<GroupReferenceBox> event) {
     hideAddGroup();
   }
 
   @UiHandler("hideAddGroup")
-  void hideAddGroup(ClickEvent event) {
+  void hideAddGroup(@SuppressWarnings("unused") ClickEvent event) {
     hideAddGroup();
   }
 

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/PermissionRuleEditor.java

@@ -176,14 +176,14 @@ public class PermissionRuleEditor extends Composite implements
   }
 
   @UiHandler("deleteRule")
-  void onDeleteRule(ClickEvent event) {
+  void onDeleteRule(@SuppressWarnings("unused") ClickEvent event) {
     isDeleted = true;
     normal.getStyle().setDisplay(Display.NONE);
     deleted.getStyle().setDisplay(Display.BLOCK);
   }
 
   @UiHandler("undoDelete")
-  void onUndoDelete(ClickEvent event) {
+  void onUndoDelete(@SuppressWarnings("unused") ClickEvent event) {
     isDeleted = false;
     deleted.getStyle().setDisplay(Display.NONE);
     normal.getStyle().setDisplay(Display.BLOCK);

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectAccessEditor.java

@@ -84,7 +84,7 @@ public class ProjectAccessEditor extends Composite implements
   }
 
   @UiHandler("addSection")
-  void onAddSection(ClickEvent event) {
+  void onAddSection(@SuppressWarnings("unused") ClickEvent event) {
     int index = local.getList().size();
     local.getList().add(new AccessSection("refs/heads/*"));
 

gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectAccessScreen.java

@@ -159,7 +159,7 @@ public class ProjectAccessScreen extends ProjectScreen {
   }
 
   @UiHandler("edit")
-  void onEdit(ClickEvent event) {
+  void onEdit(@SuppressWarnings("unused") ClickEvent event) {
     resetEditors();
 
     edit.setEnabled(false);
@@ -184,12 +184,12 @@ public class ProjectAccessScreen extends ProjectScreen {
   }
 
   @UiHandler(value={"cancel1", "cancel2"})
-  void onCancel(ClickEvent event) {
+  void onCancel(@SuppressWarnings("unused") ClickEvent event) {
     Gerrit.display(PageLinks.toProjectAcceess(getProjectKey()));
   }
 
   @UiHandler("commit")
-  void onCommit(ClickEvent event) {
+  void onCommit(@SuppressWarnings("unused") ClickEvent event) {
     final ProjectAccess access = driver.flush();
 
     if (driver.hasErrors()) {
@@ -267,7 +267,7 @@ public class ProjectAccessScreen extends ProjectScreen {
   }
 
   @UiHandler("review")
-  void onReview(ClickEvent event) {
+  void onReview(@SuppressWarnings("unused") ClickEvent event) {
     final ProjectAccess access = driver.flush();
 
     if (driver.hasErrors()) {