Pull request #15177: REPORT-138421 fix:连续配置表头导致上一个表头配置丢失问题修复

Merge in DESIGN/design from ~RICHARD.FANG/design:fbp/master to fbp/master

* commit 'd4fc94a7a1f9f886be16c9e86ae3c17fdd3a6d34':
  REPORT-138421 fix:连续配置表头导致上一个表头配置丢失问题修复
  REPORT-138421 fix:连续配置表头导致上一个表头配置丢失问题修复

designer-realize/src/main/java/com/fr/design/sort/header/HeaderAreaPane.java

@@ -13,8 +13,10 @@ import com.fr.report.core.sort.header.SortHeader;
 import com.fr.report.elementcase.TemplateElementCase;
 import com.fr.stable.ColumnRow;
 
-import javax.swing.*;
-import java.awt.*;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import javax.swing.JPanel;
+import java.awt.BorderLayout;
 import java.util.ArrayList;
 import java.util.Iterator;
 
@@ -34,6 +36,7 @@ public class HeaderAreaPane extends JPanel {
     SortColumnRowPane columnRowPane;
     UIComboBox uiComboBox;
     JPanel sortColumnRowPanel;
+    boolean showHeaderArea;
 
     HeaderAreaPane(int headerAreaPaneWidth, int headerAreaPaneRightWidth) {
         this.headerAreaPaneWidth = headerAreaPaneWidth;
@@ -57,12 +60,43 @@ public class HeaderAreaPane extends JPanel {
     }
 
     private void initChangeListener() {
-        uiComboBox.addItemListener(e -> {
-            sortColumnRowPanel.setVisible(uiComboBox.getSelectedIndex() == 1);
+        uiComboBox.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent e) {
+                boolean headerVisible = (uiComboBox.getSelectedIndex() == 1);
+                sortColumnRowPanel.setVisible(headerVisible);
+                // 仅在单元格状态改变时触发
+                if (showHeaderArea != headerVisible) {
+                    showHeaderArea = headerVisible;
+                    triggerItemChanged(headerVisible);
+                }
+            }
         });
         uiComboBox.setSelectedIndex(0);
     }
 
+    private void triggerItemChanged(boolean isHeaderVisible) {
+        if (isHeaderVisible) {
+            handleCustomHeader();
+        } else {
+            handleNoHeader();
+        }
+    }
+
+    private void handleCustomHeader() {
+        ColumnRow columnRow = columnRowPane.updateBean();
+        if (cellSelectionManager.isNotSelectables(columnRow)) {
+            columnRowPane.setColumnRow(ColumnRow.ERROR);
+        } else {
+            cellSelectionManager.addNotSelectables(columnRow);
+        }
+    }
+
+    private void handleNoHeader() {
+        cellSelectionManager.removeNotSelectables(columnRowPane.updateBean());
+        columnRowPane.cancelSelectState();
+    }
+
     public void populateBean(ColumnRow columnRow, boolean showHeaderArea, TemplateCellElement cellElement) {
         this.cellElement = cellElement;
         boolean enabled = true;
@@ -78,6 +112,8 @@ public class HeaderAreaPane extends JPanel {
         if (showHeaderArea) {
             columnRow = cellSelectionManager.buildCurrentCell(cellElement, columnRow);
         }
+        // 更新当前单元格是否已配置自定义表头排序
+        this.showHeaderArea = showHeaderArea;
         columnRowPane.populateBean(columnRow, enabled, cellSelectionManager);
         uiComboBox.setSelectedIndex(showHeaderArea ? 1 : 0);
         uiComboBox.setEnabled(enabled);