52 lines
1.3 KiB
Java
52 lines
1.3 KiB
Java
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import javax.swing.*;
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/**
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* This class provides a graphical view of the current time
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*/
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class ClockView extends JFrame
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{
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private JLabel tLabel = new JLabel();
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/**
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* Constructor method to make a ClockView object.
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*/
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ClockView()
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{
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setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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setSize(95, 75);
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getContentPane().add(tLabel);
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refreshTimeDisplay();
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}
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/**
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* Helper method to convert an integer to a 0-padded string.
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* @param i The integer to convert
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* @return A string representing the integer, padded on the
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* left by a '0' character if the integer was less than 10.
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*/
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protected String getDigitsAsString(int i)
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{
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String str = Integer.toString(i);
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if (i < 10)
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str = "0" + str;
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return str;
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}
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/**
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* A method to update the time displayed in the ClockView window.
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*/
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public void refreshTimeDisplay()
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{
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Timestamp t = new Timestamp();
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t.fillTimes();
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String display = getDigitsAsString(t.hrs) + ":" +
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getDigitsAsString(t.mins) + ":" +
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getDigitsAsString(t.secs);
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tLabel.setText (" " + display);
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tLabel.repaint ();
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}
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}
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