Java tutorial
/** * Licensed to JumpMind Inc under one or more contributor * license agreements. See the NOTICE file distributed * with this work for additional information regarding * copyright ownership. JumpMind Inc licenses this file * to you under the GNU General Public License, version 3.0 (GPLv3) * (the "License"); you may not use this file except in compliance * with the License. * * You should have received a copy of the GNU General Public License, * version 3.0 (GPLv3) along with this library; if not, see * <http://www.gnu.org/licenses/>. * * 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 org.jumpmind.vaadin.ui.common; import com.vaadin.event.FieldEvents.TextChangeEvent; import com.vaadin.event.FieldEvents.TextChangeListener; import com.vaadin.ui.PasswordField; public abstract class ImmediateUpdatePasswordField extends PasswordField { private static final long serialVersionUID = 1L; boolean initialized = false; public ImmediateUpdatePasswordField(String caption) { super(caption); setImmediate(true); setNullRepresentation(""); setTextChangeEventMode(TextChangeEventMode.LAZY); setTextChangeTimeout(200); addTextChangeListener(new TextChangeListener() { private static final long serialVersionUID = 1L; @Override public void textChange(TextChangeEvent event) { save(event.getText()); } }); } abstract protected void save(String text); }