/* * 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.tests.components.abstractcomponent; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractReindeerTestUI; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.CssLayout; import com.vaadin.ui.Label; public class ChangeHierarchyBeforeResponse extends AbstractReindeerTestUI { private CssLayout layout = new CssLayout() { @Override public void beforeClientResponse(boolean initial) { super.beforeClientResponse(initial); if (initial) { addComponent(buttonToAdd); removeComponent(labelToRemove); } } }; private Button buttonToAdd = new Button("Added from beforeClientResponse", new Button.ClickListener() { @Override public void buttonClick(ClickEvent event) { layout.addComponent(labelToRemove); } }) { @Override public void beforeClientResponse(boolean initial) { super.beforeClientResponse(initial); setCaption("Add label to layout"); } }; private Label labelToRemove = new Label("Label to remove") { int count = 0; @Override public void beforeClientResponse(boolean initial) { super.beforeClientResponse(initial); if (initial) { count++; setValue("Initial count: " + count); } } }; @Override protected void setup(VaadinRequest request) { layout.addComponent(labelToRemove); addComponent(layout); } }