Pull request #4926: CHART-19834 svg地图报错

Merge in DESIGN/design from ~BJORN/design:final/10.0 to final/10.0

* commit 'dfb56cb2ec65bc17c8e9208d0d000ae654901f71':
  CHART-19834 svg地图报错

designer-base/src/main/java/com/fr/design/editor/editor/Editor.java

@@ -4,6 +4,7 @@
 package com.fr.design.editor.editor;
 
 import com.fr.base.BaseUtils;
+import com.fr.stable.StringUtils;
 
 import javax.swing.*;
 import javax.swing.event.ChangeEvent;
@@ -34,6 +35,9 @@ public abstract class Editor<T> extends JComponent {
 	// 约定图片的文件名为this.getName(),处理起来方便些
 	// b:这里国际化没有考虑
 	public Icon getIcon() {
+		if (StringUtils.isEmpty(this.getIconName())) {
+			return null;
+		}
 		String iconName = "com/fr/design/images/buttonicon/" + this.getIconName() + ".png";
 		try {
 			return BaseUtils.readIcon(iconName);