Java tutorial
/** * Copyright 2008-2015 Qualogy Solutions B.V. * * 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.qualogy.qafe.mgwt.client.ui.component; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.user.client.ui.Hidden; import com.qualogy.qafe.mgwt.client.ui.events.DataChangeHandler; public class QHidden extends Hidden implements HasData { private String dataName; @Override public HandlerRegistration addDataChangeHandler(DataChangeHandler handler) { return ComponentHelper.addDataChangeHandler(this, handler); } @Override public void setValue(String value) { setData(value); } @Override public void setDataName(String dataName) { this.dataName = dataName; } @Override public String getDataName() { return dataName; } @Override public void setData(Object data) { String value = ComponentHelper.toString(data, ""); Object oldData = getData(); super.setValue(value); Object newData = getData(); ComponentHelper.handleDataChange(this, newData, oldData); } @Override public Object getData() { return super.getValue(); } @Override public Object getDataModel() { return getData(); } @Override public Object getModel() { return getData(); } }