REPORT-44577 对于容器型插件创建的组件，在粘贴到空的容器的时候，没有成功粘贴到容器中

designer-base/src/main/java/com/fr/design/fun/FormWidgetOptionProvider.java

@@ -23,4 +23,12 @@ public interface FormWidgetOptionProvider extends ParameterWidgetOptionProvider
      */
     <T> void paste2Container(T t);
 
+    /**
+     * 往扩展容器本身中添加粘贴内容
+     * @param r
+     * @param <T>
+     * @param <R>
+     */
+    <T, R> void formWidgetPaste(T t, R r, int x, int y);
+
 }

designer-base/src/main/java/com/fr/design/fun/impl/AbstractFormWidgetOptionProvider.java

@@ -30,4 +30,9 @@ public abstract class AbstractFormWidgetOptionProvider extends AbstractProvider
     public <T> void paste2Container(T t) {
         // do nothing
     }
+
+    @Override
+    public <T, R> void formWidgetPaste(T t, R r, int x, int y) {
+        // do nothing
+    }
 }

designer-form/src/main/java/com/fr/design/designer/beans/models/SelectionModel.java

@@ -399,8 +399,10 @@ public class SelectionModel {
                 boolean relativeEditor = selectionXCreator.getClass().equals(XWFitLayout.class);
                 //选中的参数面板编辑器本身
                 boolean parameterEditor = selectionXCreator.getClass().equals(XWParameterLayout.class);
+                // 选中的是扩展容器布局本身
+                boolean extraEditor = isSelectedExtraEditor(selectionXCreator);
 
-                return !(tabEditor || absoluteEditor || absoluteCanvas || relativeEditor || parameterEditor);
+                return !(tabEditor || absoluteEditor || absoluteCanvas || relativeEditor || parameterEditor || extraEditor);
             } else {
                 return false;
             }
@@ -410,6 +412,16 @@ public class SelectionModel {
         }
     }
 
+    private boolean isSelectedExtraEditor(XCreator selectionXCreator) {
+        Set<FormWidgetOptionProvider> set = ExtraDesignClassManager.getInstance().getArray(FormWidgetOptionProvider.XML_TAG);
+        for (FormWidgetOptionProvider provider : set) {
+            if (provider.isContainer() && ComparatorUtils.equals(provider.appearanceForWidget(), selectionXCreator.getClass())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * 是否有组件被选择。如果所选组件是最底层容器，也视为无选择
      *

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

@@ -1,5 +1,6 @@
 package com.fr.design.mainframe;
 
+import com.fr.design.ExtraDesignClassManager;
 import com.fr.design.designer.beans.LayoutAdapter;
 import com.fr.design.designer.beans.adapters.layout.AbstractLayoutAdapter;
 import com.fr.design.designer.beans.adapters.layout.FRTabFitLayoutAdapter;
@@ -12,6 +13,7 @@ import com.fr.design.designer.creator.XWFitLayout;
 import com.fr.design.designer.creator.XWScaleLayout;
 import com.fr.design.designer.creator.XWTitleLayout;
 import com.fr.design.designer.creator.cardlayout.XWTabFitLayout;
+import com.fr.design.fun.FormWidgetOptionProvider;
 import com.fr.design.utils.ComponentUtils;
 import com.fr.form.main.Form;
 import com.fr.form.ui.Widget;
@@ -26,6 +28,7 @@ import java.awt.Toolkit;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Set;
 
 /**
  * 表单选中工具类
@@ -46,6 +49,8 @@ public class FormSelectionUtils {
      */
     private static final String POSTFIX = "_c";
 
+    private static FormWidgetOptionProvider optionProvider;
+
     private FormSelectionUtils() {
 
     }
@@ -64,10 +69,27 @@ public class FormSelectionUtils {
             //相对布局
             relativePaste(designer, clipboard, adapter, x, y);
             return;
+        } else if (isExtraContainer(parent)) {
+            // 扩展布局
+            optionProvider.formWidgetPaste(clipboard, adapter, x, y);
+            return;
         }
         Toolkit.getDefaultToolkit().beep();
     }
 
+    private static boolean isExtraContainer(XLayoutContainer parent) {
+        if (parent != null) {
+            Set<FormWidgetOptionProvider> set = ExtraDesignClassManager.getInstance().getArray(FormWidgetOptionProvider.XML_TAG);
+            for (FormWidgetOptionProvider provider : set) {
+                if (provider.isContainer() && ComparatorUtils.equals(provider.appearanceForWidget(), parent.getClass())) {
+                    optionProvider = provider;
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
 
     public static void rebuildSelection(FormDesigner designer) {
         ArrayList<XCreator> newSelection = new ArrayList<>();