REPORT-23260 将原本的全选框替换为三态的CheckBox,并在三态的CheckBox中添加状态监听器

designer-base/src/main/java/com/fr/design/event/StateChangeListener.java

@@ -0,0 +1,9 @@
+package com.fr.design.event;
+
+/**
+ * @Author: Yuan.Wang
+ * @Date: 2020/7/29
+ */
+public interface StateChangeListener {
+    public void stateChange();
+}

designer-base/src/main/java/com/fr/design/gui/itree/checkboxtree/TristateCheckBox.java

@@ -1,6 +1,7 @@
 package com.fr.design.gui.itree.checkboxtree;
 
 import com.fr.design.constants.UIConstants;
+import com.fr.design.event.StateChangeListener;
 import com.fr.design.gui.icheckbox.UICheckBox;
 import com.fr.design.utils.gui.GUIPaintUtils;
 import com.fr.stable.Constants;
@@ -75,6 +76,8 @@ public class TristateCheckBox extends UICheckBox {
 
     private final TristateDecorator model;
 
+    public StateChangeListener stateChangeListener;
+
     public TristateCheckBox(String text, Icon icon, State initial) {
         super(text, icon);
         setUI(new TristateCheckBoxUI());
@@ -83,7 +86,7 @@ public class TristateCheckBox extends UICheckBox {
             @Override
             public void mousePressed(MouseEvent e) {
                 grabFocus();
-                model.setState(getNextState(model.getState()));
+                setState(getNextState(model.getState()));
             }
         });
         // Reset the keyboard action map
@@ -92,7 +95,7 @@ public class TristateCheckBox extends UICheckBox {
             @Override
             public void actionPerformed(ActionEvent e) {
                 grabFocus();
-                model.setState(getNextState(model.getState()));
+                setState(getNextState(model.getState()));
             }
         });
         map.put("released", null);
@@ -125,12 +128,20 @@ public class TristateCheckBox extends UICheckBox {
     public void addMouseListener(MouseListener l) {
     }
 
+    public void addStateChangeListener(StateChangeListener stateChangeListener) {
+        this.stateChangeListener=stateChangeListener;
+    }
+
     /**
      * Set the new state to either SELECTED, NOT_SELECTED or
      * DO_NOT_CARE.  If state == null, it is treated as DO_NOT_CARE.
      */
     public void setState(State state) {
+        State old = getState();
         model.setState(state);
+        if (old != state) {
+            fireBoxStateChanged();
+        }
     }
 
     /**
@@ -141,6 +152,11 @@ public class TristateCheckBox extends UICheckBox {
         return model.getState();
     }
 
+    public void fireBoxStateChanged() {
+        if (stateChangeListener != null) {
+            stateChangeListener.stateChange();
+        }
+    }
 
     /**
      * Exactly which Design Pattern is this?  Is it an Adapter,