REPORT-32105 表单关闭后 JForm对象未释放 导致设计器最终发生oom

designer-form/src/main/java/com/fr/design/mainframe/JForm.java

@@ -128,6 +128,8 @@ public class JForm extends JTemplate<Form, FormUndoState> implements BaseJForm<F
     //FORM_TAB代表是否点击编辑，用于点击编辑前后菜单的显示
     protected int index = FORM_TAB;
 
+    private PluginEventListener pluginListener;
+
     public JForm() {
         super(new Form(new WBorderLayout("form")), "Form");
 
@@ -151,8 +153,7 @@ public class JForm extends JTemplate<Form, FormUndoState> implements BaseJForm<F
                 return context.contain(PropertyItemPaneProvider.XML_TAG);
             }
         };
-        PluginListenerRegistration.getInstance().listen(PluginEventType.AfterRun,
-                new PluginEventListener(PropertyItemPaneProvider.LAST) {
+        this.pluginListener = new PluginEventListener(PropertyItemPaneProvider.LAST) {
             @Override
             public void on(PluginEvent event) {
                 PluginContext context = event.getContext();
@@ -162,7 +163,8 @@ public class JForm extends JTemplate<Form, FormUndoState> implements BaseJForm<F
                     addPane(provider);
                 }
             }
-                }, filter);
+        };
+        PluginListenerRegistration.getInstance().listen(PluginEventType.AfterRun, this.pluginListener, filter);
     }
 
     private void initPluginPane() {
@@ -1038,4 +1040,10 @@ public class JForm extends JTemplate<Form, FormUndoState> implements BaseJForm<F
         // richer:form文件 daniel 改成三个字
         fileChooser.addChooseFILEFilter(new ChooseFileFilter(FileExtension.FRM, appName + Toolkit.i18nText("Fine-Design_Report_Template_File")));
     }
+
+    @Override
+    public void whenClose() {
+        // stop的时候 pluginListener 和 PluginFilter 都会移除
+        PluginListenerRegistration.getInstance().stopListen(this.pluginListener);
+    }
 }