com.education.lessons.ui.client.login.utils.UIHelper.java Source code

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Here is the source code for com.education.lessons.ui.client.login.utils.UIHelper.java

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/*
 * Copyright (C) 2012 Dimitrios Menounos
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
package com.education.lessons.ui.client.login.utils;

import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.DecoratedPopupPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;

public class UIHelper {

    private static WebDialog dialog;

    public static void closeDialog() {
        if (dialog != null) {
            dialog.hide();
        }
    }

    public static void openDialog(Widget widget, String text) {
        if (dialog == null) {
            dialog = new WebDialog();
            dialog.addCloseHandler(new CloseHandler<PopupPanel>() {

                @Override
                public void onClose(CloseEvent<PopupPanel> event) {
                    dialog = null;
                }
            });
            dialog.setText(text);
            dialog.setWidget(widget);
            dialog.setAnimationEnabled(true);
            dialog.setGlassEnabled(true);
            // dialog.setClosable(true);
            dialog.center();
            dialog.show();
        }
    }

    public static void reopenDialog(final Widget widget, final String text) {
        closeDialog();

        Timer timer = new Timer() {

            @Override
            public void run() {
                openDialog(widget, text);
            }
        };

        timer.schedule(500);
    }

    public static void alert(String title, String message) {
        final WebDialog dialog = new WebDialog();
        dialog.addStyleName("alert-box");
        dialog.setAnimationEnabled(true);
        dialog.setClosable(true);
        dialog.setModal(true);
        dialog.setText(title);

        HTML messageLabel = new HTML(message);
        messageLabel.addStyleName("content");

        dialog.setWidget(messageLabel);
        dialog.center();
        dialog.show();
    }

    public static void tip(String message, UIObject target) {
        HTML messageLabel = new HTML(message);
        messageLabel.addStyleName("content");

        PopupPanel tip = new DecoratedPopupPanel(true);
        tip.addStyleName("tip-box");
        tip.setWidget(messageLabel);
        tip.showRelativeTo(target);
    }
}