DEC-22333 设计器使用一段时间后卡死

designer-base/src/main/java/com/fr/common/listener/ManageDsListenerRegisterListener.java

@@ -0,0 +1,49 @@
+package com.fr.common.listener;
+
+import com.fr.design.data.DesignTableDataManager;
+import javax.swing.event.AncestorEvent;
+import javax.swing.event.AncestorListener;
+import javax.swing.event.ChangeListener;
+
+/**
+ * 管理数据集相关监听的注册
+ *
+ * 原本的监听生命周期注册与销毁：
+ *
+ * 创建时组件时进行注册，在模板关闭时进行销毁
+ * 但是在模板未关闭的这段时间，如果不断的打开和关闭某些弹窗，次数达到一定程度，会导致出现大量内存占用，除非此时关闭模板
+ *
+ * 改成以下模式：
+ *
+ * 当组件可见或者被添加到某个大组件 注册相关监听
+ * 当组件不可见或者被移除时 立即移除相关监听
+ * 及时清理无效监听，减少实时内存占用
+ *
+ *
+ * @author hades
+ * @version 11.0
+ * Created by hades on 2022/2/14
+ */
+public class ManageDsListenerRegisterListener implements AncestorListener {
+
+    private ChangeListener changeListener;
+
+    public ManageDsListenerRegisterListener(ChangeListener changeListener) {
+        this.changeListener = changeListener;
+    }
+
+    @Override
+    public void ancestorAdded(AncestorEvent event) {
+        DesignTableDataManager.addDsChangeListener(changeListener);
+    }
+
+    @Override
+    public void ancestorRemoved(AncestorEvent event) {
+        DesignTableDataManager.removeDsChangeLister(changeListener);
+    }
+
+    @Override
+    public void ancestorMoved(AncestorEvent event) {
+        // do nothing
+    }
+}

designer-base/src/main/java/com/fr/design/data/DesignTableDataManager.java

@@ -172,24 +172,39 @@ public abstract class DesignTableDataManager {
         globalDsListeners.add(l);
     }
 
+    private static String getCurrentChangeListenerKey() {
+        JTemplate<?, ?> template = HistoryTemplateListCache.getInstance().getCurrentEditingTemplate();
+        String key = StringUtils.EMPTY;
+        if (template != null) {
+            key = template.getPath();
+        }
+        return key;
+    }
+
     /**
      * 添加模板数据集改变 监听事件.
      *
      * @param l ChangeListener监听器
      */
     public static void addDsChangeListener(ChangeListener l) {
-        JTemplate<?, ?> template = HistoryTemplateListCache.getInstance().getCurrentEditingTemplate();
-        String key = StringUtils.EMPTY;
-        if (template != null) {
-            key = template.getPath();
-        }
+        String key = getCurrentChangeListenerKey();
         List<ChangeListener> dsListeners = dsListenersMap.get(key);
         if (dsListeners == null) {
             dsListeners = new ArrayList<ChangeListener>();
             dsListenersMap.put(key, dsListeners);
         }
+        if (!dsListeners.contains(l)) {
             dsListeners.add(l);
         }
+    }
+
+    public static void removeDsChangeLister(ChangeListener l) {
+        String key = getCurrentChangeListenerKey();
+        List<ChangeListener> dsListeners = dsListenersMap.get(key);
+        if (dsListeners != null) {
+            dsListeners.remove(l);
+        }
+    }
 
     /**
      * 获取数据源source中dsName的所有字段

designer-base/src/main/java/com/fr/design/data/datapane/ChoosePane.java

@@ -1,6 +1,7 @@
 package com.fr.design.data.datapane;
 
 import com.fr.base.TableData;
+import com.fr.common.listener.ManageDsListenerRegisterListener;
 import com.fr.concurrent.NamedThreadFactory;
 import com.fr.data.core.DataCoreUtils;
 import com.fr.data.core.db.DBUtils;
@@ -648,12 +649,12 @@ public class ChoosePane extends BasicBeanPane<DataBaseItems> implements Refresha
      */
     @Override
     public void registerDSChangeListener() {
-        DesignTableDataManager.addDsChangeListener(new ChangeListener() {
+       this.addAncestorListener(new ManageDsListenerRegisterListener(new ChangeListener() {
            @Override
            public void stateChanged(ChangeEvent e) {
                initDsNameComboBox();
            }
-        });
+       }));
     }
 
     /**

designer-base/src/main/java/com/fr/design/data/datapane/TableDataComboBox.java

@@ -1,5 +1,6 @@
 package com.fr.design.data.datapane;
 
+import com.fr.common.listener.ManageDsListenerRegisterListener;
 import java.awt.Component;
 import java.awt.event.ItemEvent;
 import java.util.Iterator;
@@ -148,7 +149,7 @@ public class TableDataComboBox extends UIComboBox implements Prepare4DataSourceC
 				TableDataComboBox.this.refresh(DesignTableDataManager.getEditingTableDataSource());
 			}
 		};
-		DesignTableDataManager.addDsChangeListener(changeListener);
+		this.addAncestorListener(new ManageDsListenerRegisterListener(changeListener));
 	}
 
 	public void registerGlobalDSChangeListener() {

designer-chart/src/main/java/com/fr/design/mainframe/chart/ChartEditPane.java

@@ -4,6 +4,7 @@ package com.fr.design.mainframe.chart;
 import com.fr.chart.chartattr.Chart;
 import com.fr.chart.chartattr.ChartCollection;
 import com.fr.chartx.attr.ChartProvider;
+import com.fr.common.listener.ManageDsListenerRegisterListener;
 import com.fr.design.ChartTypeInterfaceManager;
 import com.fr.design.beans.FurtherBasicBeanPane;
 import com.fr.design.data.DesignTableDataManager;
@@ -407,14 +408,14 @@ public class ChartEditPane extends BasicPane implements AttributeChange, Prepare
      * 数据集改变的事件监听
      */
     public void registerDSChangeListener() {
-        DesignTableDataManager.addDsChangeListener(new ChangeListener() {
+        this.addAncestorListener(new ManageDsListenerRegisterListener(new ChangeListener() {
             public void stateChanged(ChangeEvent e) {
                 AbstractChartAttrPane attrPane = paneList.get(tabsHeaderIconPane.getSelectedIndex());
                 if (attrPane.isShowing()) {
                     attrPane.refreshChartDataPane(collection);
                 }
             }
-        });
+        }));
     }
 
     public boolean isInForm() {