| 1 | package tmcsim.paramicslog.gui; |
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| 2 | |
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| 3 | import java.awt.event.WindowEvent; |
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| 4 | import java.util.*; |
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| 5 | import javax.swing.*; |
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| 6 | |
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| 7 | /** |
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| 8 | * The UI for ParamicsLog. |
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| 9 | * |
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| 10 | * @author Nathaniel Lehrer |
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| 11 | * @version |
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| 12 | */ |
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| 13 | public class ParamicsLogGUI extends JFrame implements Observer |
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| 14 | { |
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| 15 | |
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| 16 | /** |
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| 17 | * The static instance |
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| 18 | */ |
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| 19 | private static ParamicsLogGUI instance = new ParamicsLogGUI(); |
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| 20 | /** |
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| 21 | * The text area to display the log in |
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| 22 | */ |
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| 23 | private JTextArea textArea; |
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| 24 | |
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| 25 | /** |
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| 26 | * Creates an instance of this class |
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| 27 | */ |
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| 28 | public ParamicsLogGUI() |
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| 29 | { |
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| 30 | |
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| 31 | setupGUI(); |
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| 32 | } |
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| 33 | |
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| 34 | /** |
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| 35 | * Creates the UI |
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| 36 | */ |
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| 37 | private void setupGUI() |
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| 38 | { |
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| 39 | try |
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| 40 | { |
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| 41 | UIManager.setLookAndFeel( |
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| 42 | UIManager.getSystemLookAndFeelClassName()); |
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| 43 | } catch (Exception ex) |
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| 44 | { |
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| 45 | System.out.println(ex.getMessage()); |
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| 46 | System.err.println("Couldn't use system look and feel."); |
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| 47 | } |
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| 48 | |
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| 49 | this.addWindowListener(new java.awt.event.WindowAdapter() |
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| 50 | { |
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| 51 | public void windowClosing(WindowEvent e) |
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| 52 | { |
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| 53 | setVisible(false); |
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| 54 | } |
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| 55 | }); |
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| 56 | |
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| 57 | |
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| 58 | setTitle("Paramics Log"); |
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| 59 | |
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| 60 | textArea = new JTextArea(); |
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| 61 | textArea.setColumns(60); |
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| 62 | textArea.setRows(30); |
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| 63 | JScrollPane scrollPane = new JScrollPane(textArea); |
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| 64 | |
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| 65 | getContentPane().add(scrollPane); |
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| 66 | |
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| 67 | } |
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| 68 | |
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| 69 | /** |
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| 70 | * Shows the UI window |
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| 71 | */ |
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| 72 | public void display() |
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| 73 | { |
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| 74 | pack(); |
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| 75 | setVisible(true); |
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| 76 | } |
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| 77 | |
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| 78 | /** |
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| 79 | * Updates the text area. If the observable class given is of type |
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| 80 | * ParamicsLog then the log entries are displayed. |
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| 81 | * |
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| 82 | * @param o The model for this viewer. |
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| 83 | * @param arg An argument that is not used. |
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| 84 | */ |
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| 85 | public void update(Observable o, Object arg) |
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| 86 | { |
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| 87 | if (o instanceof tmcsim.paramicslog.ParamicsLog) |
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| 88 | { |
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| 89 | textArea.setText(((tmcsim.paramicslog.ParamicsLog) o).getLog()); |
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| 90 | } |
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| 91 | |
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| 92 | repaint(); |
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| 93 | } |
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| 94 | |
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| 95 | /** |
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| 96 | * Accessor for the instance of ParamicsLogGUI. |
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| 97 | * |
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| 98 | * @return The instance of ParamicsLogGUI. |
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| 99 | */ |
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| 100 | public static ParamicsLogGUI getInstance() |
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| 101 | { |
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| 102 | return instance; |
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| 103 | } |
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| 104 | } |
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