From 0c85389c790c74cb905e4842d40bdb58e4f86cf9 Mon Sep 17 00:00:00 2001
From: Yvan <Yvan@fanruan.com>
Date: Thu, 6 Aug 2020 10:42:20 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=BB=E8=A6=81=E4=BF=AE=E6=94=B9=EF=BC=9A?=
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---
 .../com/fr/design/formula/FormulaPane.java    | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java b/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
index 96a82d228..8b68dcdbe 100644
--- a/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
+++ b/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
@@ -1008,15 +1008,23 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
             this.searchKey = searchKey.toLowerCase();
         }
 
+        /**
+         * 把以关键词开头的和不以关键词开头的分别按照字母表顺序排序
+         * @param o1 待比较对象1
+         * @param o2 待比较对象2
+         * @return 比较结果，1表示 o1 > o2, -1表示 o1 < o2, 0表示 o1 = o2
+         */
         @Override
         public int compare(String o1, String o2) {
-            if (o1.toLowerCase().startsWith(searchKey)) {
-                return -1;
-            }
-            if (o2.toLowerCase().startsWith(searchKey)) {
-                return 1;
+            int result;
+            boolean o1StartWith = o1.toLowerCase().startsWith(searchKey);
+            boolean o2StartWith = o2.toLowerCase().startsWith(searchKey);
+            if (o1StartWith) {
+                result = o2StartWith ? o1.compareTo(o2) : -1;
+            } else {
+                result = o2StartWith ? 1 : o1.compareTo(o2);
             }
-            return o2.compareTo(o1);
+            return result;
         }
     }