REPORT-55757 【组件背景分离】组件复用-标题图案预览图，悬浮时出现的遮罩和删除图标，鼠标如果从左边/上边滑出，则删除图标消失；但从右边/下边滑出，删除图标还在

【问题原因】
不需要在mouseExited里加多余的判断
【改动思路】
同上

designer-form/src/main/java/com/fr/design/gui/xpane/TitleInsetImagePane.java

@@ -24,7 +24,6 @@ import com.fr.general.Background;
 import com.fr.general.IOUtils;
 import com.fr.general.ImageWithSuffix;
 import com.fr.general.act.TitlePacker;
-import com.fr.report.core.cal.Rect;
 import com.fr.stable.Constants;
 
 import javax.swing.*;
@@ -151,7 +150,6 @@ public class TitleInsetImagePane extends JPanel implements UIObserver {
                 IOUtils.readIcon("/com/fr/design/images/buttonicon/icon_delete_inset.png"),
                 new Color(51, 51, 52, 178),
                 2);
-        imageDeleteButton.setEnabled(false);
         imageDeleteButton.setPreferredSize(new Dimension(DELETE_BUTTON_SIZE, DELETE_BUTTON_SIZE));
 
         imagePreviewPane = new ImagePreviewPane();
@@ -213,6 +211,20 @@ public class TitleInsetImagePane extends JPanel implements UIObserver {
                 }).dealWithImageFile(returnVal);
             }
         });
+        this.imageDeleteButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                imagePreviewPane.setImageWithSuffix(null);
+                imageLocationPane.setSelectedIndex(DEFAULT_INSET_LOCATION_INDEX);
+                imagePaddingPane.setValue(DEFAULT_INSET_PADDING);
+                imagePreviewOverlayPane.setVisible(false);
+                imageDeleteButton.setVisible(false);
+                imageDeleteButton.setEnabled(false);
+                getComponent(1).setVisible(false);
+
+                fireStateChanged();
+            }
+        });
     }
 
     public void populateBean(TitlePacker packer) {