fix: 调整规范问题

designer-base/src/main/java/com/fr/design/style/color/ColorAdjustPane.java

@@ -130,21 +130,25 @@ public class ColorAdjustPane extends JPanel implements UIObserver {
                 colorButtons.get(j).setLastButton(false);
                 panel.add(colorButtons.get(j));
             }
-            if (i + maxCountOfRow > colorButtons.size() && colorButtons.size() != MAX_BUTTON) {
-                panel.add(new AddColorButton());
-                this.add(panel);
-            } else if (i + maxCountOfRow == colorButtons.size() && colorButtons.size() != MAX_BUTTON) {
-                this.add(panel);
-                this.add(new AddColorButton());
-            } else {
-                this.add(panel);
-            }
+            addPanel(panel, i);
         }
         if (colorButtons.size() == 1) {
             colorButtons.get(0).setLastButton(true);
         }
     }
 
+    private void addPanel(JPanel panel, int index) {
+        if (index + maxCountOfRow > colorButtons.size() && colorButtons.size() != MAX_BUTTON) {
+            panel.add(new AddColorButton());
+            this.add(panel);
+        } else if (index + maxCountOfRow == colorButtons.size() && colorButtons.size() != MAX_BUTTON) {
+            this.add(panel);
+            this.add(new AddColorButton());
+        } else {
+            this.add(panel);
+        }
+    }
+
     private void createColorButton(Color[] colors) {
         colorButtons.clear();
         int size = Math.min(colors.length, MAX_BUTTON);