From afe4c1e5b59c02838ee3ca871eb5ee6b9ca84fa6 Mon Sep 17 00:00:00 2001
From: Starryi <starryi@foxmail.com>
Date: Tue, 30 Nov 2021 17:29:21 +0800
Subject: [PATCH] =?UTF-8?q?REPORT-63322=20=E5=86=B3=E7=AD=96=E6=8A=A5?=
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【问题原因】
在某些场景下，组件可能会被破坏或无法被当前设计器解析，从而出现
异常。若拖拽时的异常不被处理，会导致无法完成整个swing拖拽过程，
从而影响后续其他所有的组件拖拽。

【改动思路】
同产品以及交互讨论，新增了一个错误提示信息，当拖拽组件出现
异常时，提示用户，同时终结当前的拖拽。
---
 .../mainframe/FormCreatorDropTarget.java      | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormCreatorDropTarget.java b/designer-form/src/main/java/com/fr/design/mainframe/FormCreatorDropTarget.java
index a2c1ba66c..c1a08dded 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormCreatorDropTarget.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormCreatorDropTarget.java
@@ -18,6 +18,7 @@ import com.fr.design.designer.creator.XLayoutContainer;
 import com.fr.design.designer.creator.XWAbsoluteLayout;
 import com.fr.design.designer.creator.XWFitLayout;
 import com.fr.design.designer.creator.XWParameterLayout;
+import com.fr.design.dialog.FineJOptionPane;
 import com.fr.design.form.util.XCreatorConstants;
 import com.fr.design.gui.ibutton.UIButton;
 import com.fr.design.icon.IconPathConstants;
@@ -31,12 +32,15 @@ import com.fr.form.share.SharableWidgetProvider;
 import com.fr.form.share.ShareLoader;
 import com.fr.form.share.editor.SharableEditorProvider;
 import com.fr.form.ui.Widget;
+import com.fr.log.FineLoggerFactory;
 import com.fr.stable.Constants;
 import com.fr.stable.StringUtils;
 
 import javax.swing.BorderFactory;
+import javax.swing.JOptionPane;
 import javax.swing.JWindow;
 import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Point;
@@ -318,6 +322,24 @@ public class FormCreatorDropTarget extends DropTarget {
      */
     @Override
     public synchronized void drop(DropTargetDropEvent dtde) {
+
+        try {
+            dropXCreator(dtde);
+        } catch (Exception e) {
+            FineLoggerFactory.getLogger().error(e.getMessage(), e);
+            if (addingModel.getXCreator().isShared()) {
+                FineJOptionPane.showMessageDialog(DesignerContext.getDesignerFrame(),
+                        com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Share_Drag_Component_Error_Info"),
+                        com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Error"),
+                        JOptionPane.ERROR_MESSAGE,
+                        UIManager.getIcon("OptionPane.errorIcon")
+                );
+            }
+            dtde.rejectDrop();
+        }
+    }
+
+    private void dropXCreator(DropTargetDropEvent dtde) {
         Point loc = dtde.getLocation();
         this.adding(designer.getRelativeX(loc.x), designer.getRelativeY(loc.y));
         // 放到事件末尾执行