source: trunk/src/org/expeditee/items/widgets/WebBrowser.java@ 963

/**
 *    WebBrowser.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    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 org.expeditee.items.widgets;

import java.util.List;

import javax.swing.SwingUtilities;

import org.expeditee.gui.MessageBay;
import org.expeditee.items.Text;

import chrriis.common.UIUtils;
import chrriis.dj.nativeswing.NativeSwing;
import chrriis.dj.nativeswing.swtimpl.NativeInterface;
import chrriis.dj.nativeswing.swtimpl.components.JWebBrowser;
import com.sun.jna.Native;

/**
 * This class is used to create an embedded web browser
 * widget to be used within Expeditee. 
 * @author kgas1 - 31/01/2012
 **/
public class WebBrowser extends DataFrameWidget {
        
        private JWebBrowser _webBrowser;
        
        String[] _args = null;
        
        public WebBrowser(Text source, String[] args) {

                //pass the JWebBrowser a constructor to destroy on finalization so the 
                //web browser can be reconstructed every time we leave the frame that it is 
                //located on and want to go back to that frame. Also allows
                //us to move the browser around the frame and resize it. - kgas1 31/01/2012.
                
                super(source, new JWebBrowser(JWebBrowser.destroyOnFinalization(),JWebBrowser.constrainVisibility()), 
                                100, 500, -1, 100, 300, -1);

                        
                NativeSwing.initialize();
                UIUtils.setPreferredLookAndFeel();
                NativeInterface.open();
                _webBrowser = (JWebBrowser) _swingComponent;
                
                if(args != null){
                        _args = args.clone();
                        
                        for(int i = 0; i < args.length; i++){
                                String[] split = args[i].split("=");
                                
                                if(split[0].equals("locationBar")){
                                        _webBrowser.setLocationBarVisible(Boolean.parseBoolean(split[1]));
                                }
                                else if(split[0].equals("buttonBar")){
                                        _webBrowser.setButtonBarVisible(Boolean.parseBoolean(split[1]));
                                }
                                else if(split[0].equals("menuBar")){
                                        _webBrowser.setMenuBarVisible(Boolean.parseBoolean(split[1]));
                                }
                                else if(split[0].equals("statusBar")){
                                        _webBrowser.setStatusBarVisible(Boolean.parseBoolean(split[1]));
                                }
                        }
                }
                
                final String url;
                                
                List<String> data = getData();
                                        
                if(data != null && data.size() > 0) {
                                url = data.get(0);
                }
                else {
                                System.out.println("no data can be found");
                                url = "http://www.waikato.ac.nz";
                }

                navigate(url);
        }
        

        @Override
        protected String[] getArgs() {
                return _args;
                
        }
        
        public void navigate(final String url) {
                try
                {
                        SwingUtilities.invokeLater(new Runnable() {
                                public void run(){
                                        getSource().setData(url);
                                        _webBrowser.navigate(url);
                                }
                        });
        
                }
                catch(Exception e) {
                        MessageBay.errorMessage(e.getMessage());
                }
                
        }
        
        @Override
        public void setSourceData(List<String> data) {
                super.setSourceData(data);
                if(data != null && data.size() > 0) {
                        navigate(data.get(0));
                }
                return;
        }

        
        @Override
        protected List<String> getData() {
                return _textRepresentation.getData();
        }
        
}