Form data validation (Smart GWT) : Form « GWT « Java
Form data validation (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.data.DataSource;
import com.smartgwt.client.data.fields.DataSourcePasswordField;
import com.smartgwt.client.data.fields.DataSourceTextField;
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.HeaderItem;
import com.smartgwt.client.widgets.form.fields.PasswordItem;
import com.smartgwt.client.widgets.form.fields.events.ClickEvent;
import com.smartgwt.client.widgets.form.fields.events.ClickHandler;
import com.smartgwt.client.widgets.form.validator.MatchesFieldValidator;
import com.smartgwt.client.widgets.form.validator.RegExpValidator;
public class Showcase implements EntryPoint {
public void onModuleLoad() {
RootPanel.get().add(getViewPanel());
}
public Canvas getViewPanel() {
DataSource dataSource = new DataSource();
DataSourceTextField firstNameField = new DataSourceTextField("firstName", "First Name", 50, true);
DataSourceTextField lastNameField = new DataSourceTextField("lastName", "Last Name", 50, true);
DataSourceTextField emailField = new DataSourceTextField("email", "Email", 100, true);
RegExpValidator emailValidator = new RegExpValidator();
emailValidator.setErrorMessage("Invalid email address");
emailValidator.setExpression("^([a-zA-Z0-9_.\\-+])+@(([a-zA-Z0-9\\-])+\\.)+[a-zA-Z0-9]{2,4}$");
emailField.setValidators(emailValidator);
DataSourcePasswordField passwordField = new DataSourcePasswordField("password", "Password", 20, true);
dataSource.setFields(firstNameField, lastNameField, emailField, passwordField);
final DynamicForm form = new DynamicForm();
form.setDataSource(dataSource);
form.setUseAllDataSourceFields(true);
HeaderItem header = new HeaderItem();
header.setDefaultValue("Registration Form");
PasswordItem passwordItem = new PasswordItem();
passwordItem.setName("password");
PasswordItem passwordItem2 = new PasswordItem();
passwordItem2.setName("password2");
passwordItem2.setTitle("Password Again");
passwordItem2.setRequired(true);
passwordItem2.setLength(20);
MatchesFieldValidator matchesValidator = new MatchesFieldValidator();
matchesValidator.setOtherField("password");
matchesValidator.setErrorMessage("Passwords do not match");
passwordItem2.setValidators(matchesValidator);
CheckboxItem acceptItem = new CheckboxItem();
acceptItem.setName("acceptTerms");
acceptItem.setTitle("I accept the terms of use.");
acceptItem.setRequired(true);
acceptItem.setWidth(150);
ButtonItem validateItem = new ButtonItem();
validateItem.setTitle("Validate");
validateItem.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
form.validate(false);
}
});
form.setFields(header, passwordItem, passwordItem2, acceptItem, validateItem);
form.setValue("firstName", "Bob");
form.setValue("email", "bob@.com");
form.setValue("password", "sekrit");
form.setValue("password2", "fatfinger");
return form;
}
}
SmartGWT.zip( 9,880 k)
