REPORT-66947

designer-form/src/main/java/com/fr/design/mainframe/FormDesignerUI.java

@@ -116,8 +116,8 @@ public class FormDesignerUI extends ComponentUI {
             designer.getPainter().paint(g, designer.getArea().getHorizontalValue(),
                     designer.getArea().getVerticalValue() + designer.getParaHeight());
         }
-        DraggingModel draggingModel = designer.getDraggingModel();
-        if (draggingModel != null && draggingModel.getCreator() != null) {
+
+        if (needPaintDraggingBean()) {
             // 当前正在添加的组件
             paintDraggingBean(g);
         }
@@ -217,6 +217,19 @@ public class FormDesignerUI extends ComponentUI {
         ComponentUtils.resetBuffer(dbcomponents);
     }
 
+    private boolean needPaintDraggingBean() {
+        DraggingModel draggingModel = designer.getDraggingModel();
+        if (draggingModel == null || draggingModel.getCreator() == null) {
+            return false;
+        }
+
+        XCreator creator = draggingModel.getCreator();
+        int leftTopX = draggingModel.getCreatorLeftTopX();
+        int leftTopY = draggingModel.getCreatorLeftTopY();
+
+        return leftTopX + creator.getWidth() > 0 && leftTopY + creator.getHeight() > 0;
+    }
+
 
     private void paintAuthorityCreator(Graphics2D g2d, Rectangle creatorBounds) {
         back_or_selection_rect.setRect(creatorBounds.getX(), creatorBounds.getY(),