REPORT-31546 公式面板的说明切换偶尔会失效

designer-base/src/main/java/com/fr/design/formula/FormulaPane.java

@@ -246,13 +246,47 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
     }
 
     public class DoubleClick extends MouseAdapter {
+        String singlePressContent;
+
+        String doublePressContent;
+
 
         @Override
-        public void mouseClicked(MouseEvent e) {
+        public void mousePressed(MouseEvent e) {
             int index = tipsList.getSelectedIndex();
             if (index != -1) {
-                String currentLineContent = (String) listModel.getElementAt(index);
+                if (e.getClickCount() == 1) {
-                if (e.getClickCount() == 2) {
+                    singlePressContent = (String) listModel.getElementAt(index);
+                } else if (e.getClickCount() == 2) {
+                    doublePressContent = (String) listModel.getElementAt(index);
+                }
+            }
+        }
+
+        @Override
+        public void mouseReleased(MouseEvent e) {
+            int index = tipsList.getSelectedIndex();
+            if (index != -1) {
+                if (e.getClickCount() == 1) {
+                    if (ComparatorUtils.equals((String) listModel.getElementAt(index), singlePressContent)) {
+                        singleClickActuator(singlePressContent);
+                    }
+                } else if (e.getClickCount() == 2) {
+                    if (ComparatorUtils.equals((String) listModel.getElementAt(index), doublePressContent)) {
+                        doubleClickActuator(doublePressContent);
+                    }
+                }
+            }
+        }
+
+        private void singleClickActuator(String currentLineContent) {
+            refreshDescriptionTextArea(currentLineContent);
+
+            formulaTextArea.requestFocusInWindow();
+            fixFunctionNameList();
+        }
+
+        private void doubleClickActuator(String currentLineContent) {
             if (ifHasBeenWriten == 0) {
                 formulaTextArea.setForeground(Color.black);
                 formulaTextArea.setText("");
@@ -276,13 +310,6 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
             insertPosition = position;
             ifHasBeenWriten = 1;
             listModel.removeAllElements();
-                } else if (e.getClickCount() == 1) {
-                    refreshDescriptionTextArea(currentLineContent);
-
-                    formulaTextArea.requestFocusInWindow();
-                    fixFunctionNameList();
-                }
-            }
         }
     }
 
@@ -780,7 +807,7 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
                 public void valueChanged(TreeSelectionEvent e) {
                     DefaultMutableTreeNode selectedTreeNode = (DefaultMutableTreeNode) variablesTree.getLastSelectedPathComponent();
                     Object selectedValue = selectedTreeNode.getUserObject();
-                    Object selectedParentValue = ((DefaultMutableTreeNode)selectedTreeNode.getParent()).getUserObject();
+                    Object selectedParentValue = ((DefaultMutableTreeNode) selectedTreeNode.getParent()).getUserObject();
 
                     if (selectedValue == null) {
                         return;