Form control Enable/Disable Sample (Smart GWT)
/* * SmartGWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * SmartGWT is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 * as published by the Free Software Foundation. SmartGWT is also * available under typical commercial license terms - see * http://smartclient.com/license * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ package com.smartgwt.sample.showcase.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.smartgwt.client.util.SC; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.ButtonItem; import com.smartgwt.client.widgets.form.fields.CheckboxItem; import com.smartgwt.client.widgets.form.fields.TextItem; import com.smartgwt.client.widgets.form.fields.events.ChangeEvent; import com.smartgwt.client.widgets.form.fields.events.ChangeHandler; import com.smartgwt.client.widgets.form.fields.events.ClickEvent; import com.smartgwt.client.widgets.form.fields.events.ClickHandler; public class Showcase implements EntryPoint { public void onModuleLoad() { RootPanel.get().add(getViewPanel()); } public Canvas getViewPanel() { final DynamicForm form = new DynamicForm(); form.setWidth(300); TextItem fullName = new TextItem(); fullName.setName("fullName"); fullName.setTitle("Full Name"); fullName.setDefaultValue("Billy Bob"); final ButtonItem buttonItem = new ButtonItem(); buttonItem.setName("proceed"); buttonItem.setTitle("Proceed"); buttonItem.setDisabled(true); buttonItem.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { SC.say("OK"); } }); CheckboxItem licenseAccept = new CheckboxItem(); licenseAccept.setName("licenseAccept"); licenseAccept.setTitle("I accept the agreement"); licenseAccept.setValue(false); licenseAccept.addChangeHandler(new ChangeHandler() { public void onChange(ChangeEvent event) { buttonItem.setDisabled(!((Boolean) event.getValue())); } }); form.setFields(fullName, licenseAccept, buttonItem); return form; } }