123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 |
- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.vaadin.ui.dnd.event;
-
- import java.lang.reflect.Method;
-
- import com.vaadin.event.ConnectorEventListener;
- import com.vaadin.ui.AbstractComponent;
- import com.vaadin.ui.dnd.DropTargetExtension;
- import com.vaadin.util.ReflectTools;
-
- /**
- * Interface to be implemented when creating a drop listener on a drop target
- * for HTML5 drag and drop.
- *
- * @param <T>
- * Type of the drop target component.
- * @author Vaadin Ltd
- * @see DropTargetExtension#addDropListener(DropListener)
- * @since 8.1
- */
- @FunctionalInterface
- public interface DropListener<T extends AbstractComponent>
- extends ConnectorEventListener {
- static final Method DROP_METHOD = ReflectTools
- .getMethod(DropListener.class);
-
- /**
- * Called when drop event is fired.
- *
- * @param event
- * Server side drop event.
- */
- void drop(DropEvent<T> event);
- }
|