com.openkm.frontend.client.widget.ErrorPopup.java Source code

Java tutorial

Introduction

Here is the source code for com.openkm.frontend.client.widget.ErrorPopup.java

Source

/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2015  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.frontend.client.widget;

import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

import com.openkm.frontend.client.Main;

/**
 * Error popup
 * 
 * @author jllort
 *
 */
public class ErrorPopup extends DialogBox implements ClickHandler {
    private VerticalPanel vPanel;
    private HTML text;
    private Button button;
    private ScrollPanel sPanel;
    private boolean logout;

    /**
     * Error popup
     */
    public ErrorPopup(boolean logout) {
        // Establishes auto-close when click outside
        super(false, true);

        this.logout = logout;

        vPanel = new VerticalPanel();
        text = new HTML();
        sPanel = new ScrollPanel();

        if (logout) {
            button = new Button(Main.i18n("button.logout"), this);
        } else {
            button = new Button(Main.i18n("button.close"), this);
        }

        vPanel.setWidth("380px");
        vPanel.setHeight("200px");
        sPanel.setWidth("370px");
        sPanel.setHeight("170px");
        sPanel.setStyleName("okm-Popup-text");

        vPanel.add(new HTML("<br>"));
        sPanel.add(text);
        vPanel.add(sPanel);
        vPanel.add(new HTML("<br>"));
        vPanel.add(button);
        vPanel.add(new HTML("<br>"));

        text.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
        vPanel.setCellHorizontalAlignment(sPanel, VerticalPanel.ALIGN_CENTER);
        vPanel.setCellHorizontalAlignment(button, VerticalPanel.ALIGN_CENTER);

        button.setStyleName("okm-YesButton");

        hide();
        setWidget(vPanel);
    }

    /* (non-Javadoc)
     * @see com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event.dom.client.ClickEvent)
     */
    public void onClick(ClickEvent event) {
        Log.debug("onClick(" + event + ")");
        hide();
        // Removes all previous text for next errors messages, varios errors can be added simultanealy
        // on show(String msg )
        text.setText("");

        if (logout) {
            Log.debug("onClick: redirect");
            Window.open("index.jsp", "_self", "");
        }

        Log.debug("onClick: void");
    }

    /**
     * Language refresh
     */
    public void langRefresh() {
        setText(Main.i18n("error.label"));
        button.setText(Main.i18n("button.close"));
    }

    /**
     * Show the popup error
     * 
     * @param msg Error message
     */
    public void show(String msg) {
        //TODO: aqui pueden haber problemas de concurrencia al ser llamado simultaneamente este mtodo
        // cabe la posibilidad de perder algun mensaje de error.
        if (!text.getHTML().equals("")) {
            text.setHTML(text.getHTML() + "<br><br>" + msg);
        } else {
            text.setHTML(msg);
        }
        setText(Main.i18n("error.label"));
        int left = (Window.getClientWidth() - 380) / 2;
        int top = (Window.getClientHeight() - 200) / 2;
        setPopupPosition(left, top);
        super.show();
    }
}