com.edgenius.wiki.gwt.client.user.ProfileForm.java Source code

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Here is the source code for com.edgenius.wiki.gwt.client.user.ProfileForm.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.edgenius.wiki.gwt.client.user;

import java.util.Iterator;
import java.util.Vector;

import com.edgenius.wiki.gwt.client.ControllerFactory;
import com.edgenius.wiki.gwt.client.GwtClientUtils;
import com.edgenius.wiki.gwt.client.i18n.Msg;
import com.edgenius.wiki.gwt.client.model.UserModel;
import com.edgenius.wiki.gwt.client.server.SecurityControllerAsync;
import com.edgenius.wiki.gwt.client.widgets.Button;
import com.edgenius.wiki.gwt.client.widgets.ButtonBar;
import com.edgenius.wiki.gwt.client.widgets.ButtonIconBundle;
import com.edgenius.wiki.gwt.client.widgets.MessageWidget;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitHandler;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * @author Dapeng.Ni
 */
public class ProfileForm extends Composite implements SubmitHandler, AsyncCallback<UserModel>, ClickHandler {

    private ContactPanel profile = new ContactPanel(true);
    private MessageWidget message = new MessageWidget();
    private Vector<UserUpdateListener> listener = new Vector<UserUpdateListener>();

    //This field is just for bug: http://code.google.com/p/google-web-toolkit/issues/detail?id=1585&sort=-id
    private boolean cancelAction = false;
    private Button signup = new Button(Msg.consts.update(), ButtonIconBundle.tickImage());
    private Button cancel = new Button(Msg.consts.cancel(), ButtonIconBundle.crossImage());
    private FormPanel form = new FormPanel();

    public ProfileForm() {

        form.setMethod(FormPanel.METHOD_POST);
        form.addSubmitHandler(this);

        VerticalPanel panel = new VerticalPanel();
        panel.add(message);
        panel.add(profile);

        signup.addClickHandler(this);
        cancel.addClickHandler(this);

        ButtonBar h6 = new ButtonBar();
        h6.add(signup);
        h6.add(cancel);
        panel.add(h6);
        form.setWidget(panel);
        initWidget(form);
    }

    /**
     * Set initial value on fields on profile panel
     * @param user
     */
    public void fillFields(UserModel user) {
        profile.setUser(user);
    }

    //********************************************************************
    //               Listener methods
    //********************************************************************
    public void onSubmit(SubmitEvent event) {

        if (cancelAction) {
            event.cancel();
            return;
        }
        if (profile.isValidForm()) {
            signup.setEnabled(false);
            SecurityControllerAsync securityController = ControllerFactory.getSecurityController();
            securityController.saveProfile(profile.getUserModel(), this);
        }
        //always cancel, submit will do by RPC call
        event.cancel();

    }

    public void onFailure(Throwable error) {
        signup.setEnabled(true);
        GwtClientUtils.processError(error);
        message.cleanMessage();
        message.error(Msg.consts.fail_update());
    }

    public void onSuccess(UserModel model) {
        signup.setEnabled(true);

        if (!GwtClientUtils.preSuccessCheck(model, message)) {
            return;
        }
        //success
        for (Iterator<UserUpdateListener> iter = listener.iterator(); iter.hasNext();) {
            iter.next().userUpdated(model);
        }
    }

    public void addListener(UserUpdateListener lis) {
        listener.add(lis);
    }

    public void onClick(ClickEvent event) {
        if (event.getSource() == signup) {
            cancelAction = false;
            form.submit();
        } else if (event.getSource() == cancel) {
            cancelAction = true;
            for (Iterator<UserUpdateListener> iter = listener.iterator(); iter.hasNext();) {
                iter.next().userUpdateCancelled();
            }
        }
    }
}