/* * Smart GWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * Smart GWT 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. Smart GWT 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. */ import com.smartgwt.client.types.TitleOrientation; import com.smartgwt.client.types.OperatorId; import com.smartgwt.client.types.ValidatorType; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.data.fields.DataSourceIntegerField; import com.smartgwt.client.data.fields.DataSourceTextField; import com.smartgwt.client.data.DataSource; import com.smartgwt.client.data.AdvancedCriteria; import com.smartgwt.client.data.Criterion; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.ButtonItem; import com.smartgwt.client.widgets.form.fields.FormItem; import com.smartgwt.client.widgets.form.fields.RadioGroupItem; import com.smartgwt.client.widgets.form.fields.TextItem; import com.smartgwt.client.widgets.form.fields.events.ClickEvent; import com.smartgwt.client.widgets.form.validator.Validator; import com.google.gwt.core.client.EntryPoint; public class FormConditionallyRequiredSample implements EntryPoint { public void onModuleLoad() { DataSource ds = new DataSource(); ds.setClientOnly(true); DataSourceIntegerField pkField = new DataSourceIntegerField("itemId"); pkField.setHidden(true); pkField.setPrimaryKey(true); DataSourceTextField willAttendField = new DataSourceTextField("willAttend"); DataSourceTextField reasonField = new DataSourceTextField("reason"); ds.setFields(pkField,willAttendField,reasonField); final DynamicForm form = new DynamicForm(); form.setWidth(250); form.setDataSource(ds); form.setTitleOrientation(TitleOrientation.TOP); final RadioGroupItem radioGroupItem = new RadioGroupItem(); radioGroupItem.setName("willAttend"); radioGroupItem.setColSpan("*"); radioGroupItem.setRequired(true); radioGroupItem.setVertical(false); radioGroupItem.setValueMap("Yes", "No"); radioGroupItem.setRedrawOnChange(true); radioGroupItem.setTitle("Will you be attending the meeting on April 4th? If no, please provide a reason"); TextItem textItem = new TextItem(); textItem.setName("reason"); textItem.setTitle("Reason"); AdvancedCriteria criteria = new AdvancedCriteria(OperatorId.AND, new Criterion[] { new Criterion("willAttend", OperatorId.EQUALS, "No") }); Validator validator = new Validator(); validator.setType(ValidatorType.REQUIRED); validator.setApplyWhen(criteria); validator.setErrorMessage("Please provide a reason"); textItem.setValidators(validator); ButtonItem buttonItem = new ButtonItem("validate", "Validate"); buttonItem.addClickHandler(new com.smartgwt.client.widgets.form.fields.events.ClickHandler() { public void onClick(ClickEvent event) { form.validate(); } }); form.setFields(radioGroupItem, textItem, buttonItem); form.draw(); } }