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1 /*=============================================================================
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2 * File: InstructionsPanel.java
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3 * Author: Marcus Pearce <m.pearce@gold.ac.uk>
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4 * Created: <2007-12-05 10:57:31 marcusp>
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5 * Time-stamp: <2007-12-14 16:29:55 marcusp>
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6 *=============================================================================
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7 */
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8
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9 import java.awt.*;
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10 import java.awt.event.*;
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11 import javax.swing.*;
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12 import javax.swing.text.*;
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13 import java.io.*;
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14 import java.util.regex.Pattern;
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15
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16 public class InstructionsPanel extends JPanel {
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17
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18 /* invalid subject id */
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19 public static final String INVALID_SUBJECT_ID = "----";
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20
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21 /* variables */
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22 private ExperimentGui gui;
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23 private JTextField subjectIDField;
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24 private JButton nextButton = new JButton();
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25
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26 /* accessors */
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27 public JButton getNextButton() { return nextButton; }
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28
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29 /* constructor */
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30 public InstructionsPanel (ExperimentGui eg) {
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31
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32 gui = eg;
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33 Experiment exp = gui.getExperiment();
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34
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35 String file = exp.getInstructionsFile();
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36 JScrollPane instructionsPane = createInstructionsPane(file);
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37
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38 JLabel label = new JLabel("Participant ID: ");
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39 subjectIDField = new JTextField(10);
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40
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41 nextButton = new JButton("Continue");
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42
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43 JPanel subjectIDPane = new JPanel();
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44 subjectIDPane.add(label);
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45 subjectIDPane.add(subjectIDField);
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46 subjectIDPane.add(nextButton);
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47
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48 this.setLayout (new BorderLayout());
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49 this.add(instructionsPane, BorderLayout.CENTER);
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50 this.add(subjectIDPane, BorderLayout.SOUTH);
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51 }
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52
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53 /* methods */
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54
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55 public String getSubjectID() {
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56 String subjID = subjectIDField.getText();
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57 Pattern nonAlphaNum = Pattern.compile("[^a-zA-Z0-9]");
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58
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59 if (nonAlphaNum.matcher(subjID).find()) {
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60 subjID = INVALID_SUBJECT_ID;
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61 }
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62
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63 return subjID;
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64 }
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65
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66 private JScrollPane createInstructionsPane(String instructionsFile) {
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67
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68 JEditorPane editorPane = new JEditorPane();
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69
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70 try {
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71 FileReader reader = new FileReader(new File(instructionsFile));
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72 editorPane.setEditable(false);
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73 editorPane.setContentType("text/html");
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74 editorPane.read(reader, null);
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75 } catch (Exception e) {
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76 System.out.println(e.getMessage());
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77 }
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78
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79 JScrollPane editorScrollPane = new JScrollPane(editorPane);
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80 editorScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
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81 editorScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
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82
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83 editorScrollPane.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder("Instructions"), BorderFactory.createEmptyBorder(5,5,5,5)));
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84 editorScrollPane.setPreferredSize(new Dimension(300, 250));
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85 editorScrollPane.setMinimumSize(new Dimension(10, 10));
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86 return editorScrollPane;
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87 }
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88
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89 public void addNextButtonListener(ActionListener al) {
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90 nextButton.addActionListener(al);
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91 }
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92 }
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