OnlineSearchPanel.java

Go to the documentation of this file.

package instruction.gui.tab;

import java.awt.GridBagLayout;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.GridBagConstraints;
import javax.swing.JList;
import javax.swing.JButton;
import java.awt.Insets;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JLabel;
import javax.swing.JRadioButton;

import edu.stanford.nlp.web.HTMLParser;

public class OnlineSearchPanel extends JPanel {

        public static String TITLE = "Online Search";
        private static final long serialVersionUID = 1L;
        private JTextField commandLine = null;
        private JList howtos = null;
        private JButton jButton = null;
        private JPanel jPanel = null;
        private JLabel jLabel = null;
        private JLabel jLabel1 = null;
        private JRadioButton jRadioButton = null;
        private JRadioButton jRadioButton1 = null;

        public OnlineSearchPanel () {

                super();
                initialize();
        }

        private void initialize() {

                GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
                gridBagConstraints4.gridx = 1;
                gridBagConstraints4.fill = GridBagConstraints.HORIZONTAL;
                gridBagConstraints4.gridy = 1;
                GridBagConstraints gridBagConstraints31 = new GridBagConstraints();
                gridBagConstraints31.gridx = 1;
                gridBagConstraints31.fill = GridBagConstraints.HORIZONTAL;
                gridBagConstraints31.gridy = 0;
                GridBagConstraints gridBagConstraints21 = new GridBagConstraints();
                gridBagConstraints21.gridx = 0;
                gridBagConstraints21.anchor = GridBagConstraints.WEST;
                gridBagConstraints21.insets = new Insets( 0, 10, 0, 0 );
                gridBagConstraints21.gridwidth = 1;
                gridBagConstraints21.gridy = 1;
                jLabel1 = new JLabel();
                jLabel1.setText( "for executing the task:" );
                GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
                gridBagConstraints11.gridx = 0;
                gridBagConstraints11.insets = new Insets( 10, 10, 0, 10 );
                gridBagConstraints11.gridwidth = 1;
                gridBagConstraints11.anchor = GridBagConstraints.WEST;
                gridBagConstraints11.gridy = 0;
                jLabel = new JLabel();
                jLabel.setText( "Type in a task for the robot. The system will automatically look up an Instruction" );
                GridBagConstraints gridBagConstraints3 = new GridBagConstraints();
                gridBagConstraints3.gridx = 2;
                gridBagConstraints3.gridy = 3;
                GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
                gridBagConstraints2.gridx = 1;
                gridBagConstraints2.insets = new Insets( 10, 10, 10, 10 );
                gridBagConstraints2.gridy = 2;
                GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
                gridBagConstraints1.fill = GridBagConstraints.BOTH;
                gridBagConstraints1.gridy = 3;
                gridBagConstraints1.weightx = 1.0;
                gridBagConstraints1.weighty = 1.0;
                gridBagConstraints1.gridheight = 1;
                gridBagConstraints1.gridwidth = 2;
                gridBagConstraints1.ipadx = 50;
                gridBagConstraints1.ipady = 50;
                gridBagConstraints1.anchor = GridBagConstraints.CENTER;
                gridBagConstraints1.insets = new Insets( 10, 10, 10, 10 );
                gridBagConstraints1.gridx = 0;
                GridBagConstraints gridBagConstraints = new GridBagConstraints();
                gridBagConstraints.fill = GridBagConstraints.BOTH;
                gridBagConstraints.gridy = 2;
                gridBagConstraints.weightx = 1.0;
                gridBagConstraints.insets = new Insets( 10, 10, 10, 10 );
                gridBagConstraints.gridx = 0;
                this.setSize( 569, 319 );
                this.setLayout( new GridBagLayout() );
                this.add( getJTextField(), gridBagConstraints );
                this.add( getJList(), gridBagConstraints1 );
                this.add( getJButton(), gridBagConstraints2 );
                this.add( getJPanel(), gridBagConstraints3 );
                this.add( jLabel, gridBagConstraints11 );
                this.add( jLabel1, gridBagConstraints21 );
                this.add( getJRadioButton(), gridBagConstraints31 );
                this.add( getJRadioButton1(), gridBagConstraints4 );
        }

        private JTextField getJTextField() {

                if ( commandLine == null ) {
                        commandLine = new JTextField();
                        commandLine.setText( "set a table" );
                }
                return commandLine;
        }

        private JList getJList() {

                if ( howtos == null ) {
                        howtos = new JList();
                }
                return howtos;
        }

        private JButton getJButton() {

                if ( jButton == null ) {
                        jButton = new JButton();
                        jButton.setText( "Search!" );
                        jButton.addActionListener( new java.awt.event.ActionListener() {
                                public void actionPerformed( java.awt.event.ActionEvent e ) {

                                        URL url;
                                        try {
                                                url = new URL( "http://www.ehow.com/search.aspx?s=" + commandLine.getText().replaceAll( " ", "+" )
                                                                + "&Options=0" );
                                                InputStream is = url.openStream();
                                                Reader reader = new BufferedReader( new InputStreamReader( is ) );
                                                StringBuilder answer = new StringBuilder();
                                                char[] buf = new char[1024];
                                                int read;
                                                while ( ( read = reader.read( buf ) ) > 0 ) {
                                                        answer.append( buf, 0, read );
                                                }

                                                HTMLParser parser = new HTMLParser();
                                                
                                                
                                                List<String> inst = new ArrayList<String>();
                                                String[] tokens = parser.parse( answer.toString() ).split( "\\|" );
                                                for (int i = 0; i < tokens.length; i++) {
                                                        System.out.println(tokens[i]);
                                                        int start = -1;
                                                        int end = -1;
                                                        start = tokens[i].indexOf( "How to" );
                                                        if (start == -1)
                                                                continue;
                                                        else {
                                                                end = tokens[i].indexOf( ".", start + 1 );
                                                                if (end == -1)
                                                                        continue;
                                                                inst.add( tokens[i].substring( start, end ) );
                                                        }
                                                        
                                                }
                                                howtos.setListData( inst.toArray(new String[0]) );

                                        }
                                        catch ( MalformedURLException e1 ) {
                                                // TODO Auto-generated catch block
                                                e1.printStackTrace();
                                        }
                                        catch ( IOException e1 ) {
                                                // TODO Auto-generated catch block
                                                e1.printStackTrace();
                                        }
                                        

                                }
                        } );
                }
                return jButton;
        }

        private JPanel getJPanel() {

                if ( jPanel == null ) {
                        jPanel = new JPanel();
                        jPanel.setLayout( new GridBagLayout() );
                        jPanel.setSize( 50, 0 );
                }
                return jPanel;
        }

        private JRadioButton getJRadioButton() {

                if ( jRadioButton == null ) {
                        jRadioButton = new JRadioButton();
                        jRadioButton.setText( "ehow.com" );
                }
                return jRadioButton;
        }

        private JRadioButton getJRadioButton1() {

                if ( jRadioButton1 == null ) {
                        jRadioButton1 = new JRadioButton();
                        jRadioButton1.setText( "wikihow.com" );
                }
                return jRadioButton1;
        }

} // @jve:decl-index=0:visual-constraint="10,10"