REPORT-4688 [9.0二轮回归]新建sheet2，添加悬浮元素，撤销一次操作后sheet2被整个删除

designer/src/com/fr/design/mainframe/ElementCasePaneDelegate.java

@@ -176,6 +176,9 @@ public class ElementCasePaneDelegate extends ElementCasePane<WorkSheet> {
         for (int i = 0; i < actions.length; i++) {
             subMenuDef.addShortCut(actions[i]);
         }
+
+        // 顺便更新右侧属性面板悬浮元素tab中的菜单项
+        ReportFloatPane.getInstance().refreshInsertFloatMenu(this);
     }
 
     // 格式菜单

designer/src/com/fr/design/mainframe/ReportFloatPane.java

@@ -23,7 +23,6 @@ import java.awt.*;
 public class ReportFloatPane extends JPanel {
 
     private static ReportFloatPane THIS;
-    private ElementCasePaneDelegate elementCasePaneDelegate;
     private MenuDef insertFloatMenu;
 
     private ReportFloatPane() {
@@ -37,6 +36,14 @@ public class ReportFloatPane extends JPanel {
         return THIS;
     }
 
+    public void refreshInsertFloatMenu(ElementCasePaneDelegate elementCasePaneDelegate) {
+        UpdateAction[] actions = ActionFactory.createFloatInsertAction(ElementCasePane.class, elementCasePaneDelegate);
+        insertFloatMenu.clearShortCuts();
+        for (int i = 0; i < actions.length; i++) {
+            insertFloatMenu.addShortCut(actions[i]);
+        }
+    }
+
     private void initComponent() {
         this.setLayout(new BorderLayout());
 
@@ -72,7 +79,7 @@ public class ReportFloatPane extends JPanel {
         insertFloatMenu.setTooltip(Inter.getLocText("FR-Designer_T_Insert_Float"));
         insertFloatMenu.setIconPath("com/fr/design/images/control/addPopup.png");
         JTemplate editingTemplate = HistoryTemplateListPane.getInstance().getCurrentEditingTemplate();
-        elementCasePaneDelegate = (ElementCasePaneDelegate) editingTemplate.getCurrentElementCasePane();
+        ElementCasePaneDelegate elementCasePaneDelegate = (ElementCasePaneDelegate) editingTemplate.getCurrentElementCasePane();
         UpdateAction[] actions = ActionFactory.createFloatInsertAction(ElementCasePane.class, elementCasePaneDelegate);
         for (int i = 0; i < actions.length; i++) {
             insertFloatMenu.addShortCut(actions[i]);