Source Code : Form Regular Expression Sample (Smart GWT)

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Form Regular Expression 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.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.TitleOrientation;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.validator.RegExpValidator;
import com.smartgwt.client.widgets.layout.VLayout;

public class Showcase implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }

  TitleOrientation titleOrientation = TitleOrientation.LEFT;

  public Canvas getViewPanel() {
    DataSource dataSource = new DataSource();
    dataSource.setID("regularExpression");

    RegExpValidator regExpValidator = new RegExpValidator();
    regExpValidator.setExpression("^([a-zA-Z0-9_.\-+])+@(([a-zA-Z0-9\-])+\.)+[a-zA-Z0-9]{2,4}$");

    DataSourceTextField dsTextField = new DataSourceTextField("email");
    dsTextField.setTitle("Email");
    dsTextField.setValidators(regExpValidator);

    dataSource.setFields(dsTextField);

    final DynamicForm form = new DynamicForm();
    form.setWidth(300);
    form.setDataSource(dataSource);

    IButton validateButton = new IButton();
    validateButton.setTitle("Validate");
    validateButton.addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        form.validate();
      }
    });

    VLayout vLayout = new VLayout();
    vLayout.setMembersMargin(10);
    vLayout.addMember(form);
    vLayout.addMember(validateButton);

    return vLayout;

  }

}

   
    
  

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