Merge pull request #1486 in BA/design from ~YAOH.WU/a_design_0811:release/9.0 to release/9.0

* commit '81730387ce060f1c1864e2ff450e0ec807f4bc0f':
  决策报表编辑报表块报错

designer/src/com/fr/design/mainframe/ElementCasePane.java

@@ -522,8 +522,13 @@ public abstract class ElementCasePane<T extends TemplateElementCase> extends Tar
      *  因为这边判断selection是一个selection，所以不会触发fireSelectionChanged
      */
     public void setSelection(Selection selection) {
-        //旧选中内容编辑器释放模板对象
-        this.getCurrentEditor().release();
+        try {
+            //旧选中内容编辑器释放模板对象
+            this.getCurrentEditor().release();
+        } catch (UnsupportedOperationException e) {
+            FRLogger.getLogger().info("Nothing to release");
+        }
+
         if (!ComparatorUtils.equals(this.selection, selection) ||
                 !ComparatorUtils.equals(EastRegionContainerPane.getInstance().getCellAttrPane(), CellElementPropertyPane.getInstance())) {
             this.selection = selection;