com.edgenius.wiki.gwt.client.widgets.FeedbackDialog.java Source code

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Here is the source code for com.edgenius.wiki.gwt.client.widgets.FeedbackDialog.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.widgets;

import com.edgenius.wiki.gwt.client.ControllerFactory;
import com.edgenius.wiki.gwt.client.Css;
import com.edgenius.wiki.gwt.client.i18n.Msg;
import com.edgenius.wiki.gwt.client.model.FeedbackModel;
import com.edgenius.wiki.gwt.client.server.HelperControllerAsync;
import com.edgenius.wiki.gwt.client.server.utils.GwtUtils;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
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.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * @author Dapeng.Ni
 */
public class FeedbackDialog extends DialogBox
        implements AsyncCallback<Boolean>, SubmitHandler, FormTextBoxValidCallback {

    private VerticalPanel panel = new VerticalPanel();
    private MessageWidget message = new MessageWidget();
    private FormTextBox emailBox = new FormTextBox();
    private FormTextArea feedbackBox = new FormTextArea();

    public FeedbackDialog() {
        this.setText(Msg.consts.feedback());
        this.setIcon(new Image(IconBundle.I.get().email()));

        final FormPanel form = new FormPanel();
        form.setMethod(FormPanel.METHOD_POST);
        form.addSubmitHandler(this);
        form.setStyleName(Css.FORM);
        form.setWidget(panel);

        HorizontalPanel h1 = new HorizontalPanel();
        Label emailLabel = new Label(Msg.consts.your_email());
        h1.add(emailLabel);
        h1.add(emailBox);

        feedbackBox.valid(Msg.consts.feedback(), true, 0, 0, null);
        emailBox.valid(Msg.consts.email(), true, 0, 0, this);
        Label feedbackLabel = new Label(Msg.consts.your_feedback());
        panel.add(message);
        panel.add(h1);
        panel.add(feedbackLabel);
        panel.add(feedbackBox);

        ButtonBar btnBar = getButtonBar();
        Button send = new Button(Msg.consts.send(), ButtonIconBundle.tickImage());
        Button cancel = new Button(Msg.consts.cancel(), ButtonIconBundle.crossImage());
        send.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                form.submit();
            }
        });
        cancel.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                FeedbackDialog.this.hidebox();
            }
        });
        btnBar.add(cancel);
        btnBar.add(send);

        panel.setSize("100%", "100%");
        emailLabel.setStyleName(Css.FORM_LABEL);
        feedbackLabel.setStyleName(Css.FORM_LABEL);
        emailBox.setStyleName(Css.FORM_INPUT);
        feedbackBox.setStyleName(Css.LONG_TEXTBOX);

        panel.setVerticalAlignment(HasVerticalAlignment.ALIGN_BOTTOM);
        panel.setCellHorizontalAlignment(feedbackBox, HasHorizontalAlignment.ALIGN_CENTER);

        this.setWidget(form);

    }

    public void onFailure(Throwable caught) {
        message.warning(Msg.consts.error_request());
    }

    public void onSuccess(Boolean result) {
        //remove input fields...
        panel.clear();
        getButtonBar().clear();

        Button close = new Button(Msg.consts.close());
        close.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                FeedbackDialog.this.hidebox();
            }
        });
        getButtonBar().add(close);
        panel.add(message);

        message.info(Msg.consts.feedback_success());

        //auto close dialog 
        closeDialog();
    }

    public void closeDialog() {
        //close dialog after several seconds
        new Timer() {
            public void run() {
                FeedbackDialog.this.hidebox();
            }
        }.schedule(5000);
    }

    public void onSubmit(SubmitEvent event) {
        if (emailBox.isValidForSubmit() && feedbackBox.isValidForSubmit()) {
            HelperControllerAsync helperController = ControllerFactory.getHelperController();
            FeedbackModel feedback = new FeedbackModel();
            feedback.content = feedbackBox.getText();
            feedback.email = emailBox.getText();
            helperController.sendFeedback(feedback, this);
        }
        //always cancel
        event.cancel();
    }

    public String onBlurValid(Object source) {
        if (source == emailBox) {
            return GwtUtils.validateEmail(emailBox.getText());
        }
        return null;
    }

    public String onKeyUpValid(Object source) {
        return null;
    }

}