edu.nps.moves.mmowgli.utility.BrowserWindowOpener.java Source code

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Here is the source code for edu.nps.moves.mmowgli.utility.BrowserWindowOpener.java

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/*
  Copyright (C) 2010-2014 Modeling Virtual Environments and Simulation
  (MOVES) Institute at the Naval Postgraduate School (NPS)
  http://www.MovesInstitute.org and http://www.nps.edu
     
  This file is part of Mmowgli.
      
  Mmowgli 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
  any later version.
    
  Mmowgli 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 Mmowgli in the form of a file named COPYING.  If not,
  see <http://www.gnu.org/licenses/>
*/

package edu.nps.moves.mmowgli.utility;

import com.vaadin.ui.JavaScript;
import org.apache.commons.net.util.Base64;

/**
 * BrowserWindowOpener.java
 * Created on Mar 18, 2014
 *
 * MOVES Institute
 * Naval Postgraduate School, Monterey, CA, USA
 * www.nps.edu
 *
 * @author Mike Bailey, jmbailey@nps.edu
 * @version $Id$
 */
public class BrowserWindowOpener {
    public static void open(String url) {
        JavaScript.getCurrent().execute("window.open('" + url + "');");
    }

    public static void open(String url, String windowName) {
        JavaScript.getCurrent().execute("window.open('" + url + "','" + windowName + "');");
    }

    private static String winVar = "win1xxx";

    public static void openWithHTML(String htmlStr, String title, String windowName) {
        StringBuilder javascript = new StringBuilder();
        htmlStr = openCommon(htmlStr, windowName, javascript);

        javascript.append(winVar);
        javascript.append(".document.title='");
        javascript.append(title);
        javascript.append("';\n");

        javascript.append(winVar);
        javascript.append(".document.open();\n");

        javascript.append(winVar);
        javascript.append(".document.write(\"");
        javascript.append(htmlStr);
        javascript.append("\");\n");

        javascript.append(winVar);
        javascript.append(".document.close();\n");

        //System.out.println(javascript.toString());
        JavaScript.getCurrent().execute(javascript.toString());
    }

    public static void openWithInnerHTML(String htmlStr, String title, String windowName) {
        StringBuilder javascript = new StringBuilder();
        htmlStr = openCommon(htmlStr, windowName, javascript);

        javascript.append(winVar);
        javascript.append(".document.title='");
        javascript.append(title);
        javascript.append("';\n");

        javascript.append(winVar);
        javascript.append(".document.body.innerHTML=\"");
        javascript.append(htmlStr);
        javascript.append("\";");

        //System.out.println(javascript.toString());
        JavaScript.getCurrent().execute(javascript.toString()); // this does work...tested on small content
    }

    public static void openHtmlReport(String htmlStr, String title, String windowName) {
        StringBuilder javascript = new StringBuilder();

        javascript.append("var ");
        javascript.append(winVar);
        javascript.append("=window.open('', '");
        javascript.append(windowName);
        javascript.append("');\n");

        htmlStr = htmlStr.replace("\n", "&#xA;"); // This was hard to find!, won't work in style elements 
        htmlStr = htmlStr.replace("'", "&apos;");
        javascript.append(winVar);
        javascript.append(".document.title='");
        javascript.append(title);
        javascript.append("';\n");

        javascript.append(winVar);
        javascript.append(".location.href=\"data:text/html;base64,\"+");
        javascript.append("btoa('");
        javascript.append(htmlStr);
        javascript.append("');");

        //System.out.println(javascript.toString());
        JavaScript.getCurrent().execute(javascript.toString());
    }

    public static void openXmlReport(String xmlStr, String title, String windowName) {
        StringBuilder javascript = new StringBuilder();

        javascript.append("var ");
        javascript.append(winVar);
        javascript.append("=window.open('', '");
        javascript.append(windowName);
        javascript.append("');\n");
        javascript.append(winVar);
        javascript.append(".document.title='");
        javascript.append(title);
        javascript.append("';\n");

        javascript.append(winVar);
        javascript.append(".location.href=\"data:text/xml;base64,");
        javascript.append(new String(Base64.encodeBase64(xmlStr.getBytes(), false)));
        javascript.append("\";\n");

        //System.out.println(javascript.toString());
        JavaScript.getCurrent().execute(javascript.toString());
    }

    private static String openCommon(String s, String windowName, StringBuilder javascript) {
        //javascript.append("debugger;\n");
        javascript.append("var ");
        javascript.append(winVar);
        javascript.append("=window.open('', '");
        javascript.append(windowName);
        javascript.append("');\n");
        s = s.replace("\"", "&nbsp;");
        s = s.replace("\n", "&#xA;"); // This was hard to find!
        s = s.replace("\r", "&#xD;");
        return s;
    }

    /*
       // Neither one of these works because the browser sets the title after the page is loaded, so you have to 
      // play games with a timeout.  Not worth it here.
      //javascript.append("win1xxx.document.write('<title>");
      //javascript.append(title);
     // javascript.append("</title>');");
          
      //javascript.append("win1xxx.document.title=\"");
      //javascript.append(title);
      //javascript.append("\";");
      */
}