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//---PACKAGE DECLARATION--- |
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|
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//---IMPORTS--- |
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import javax.swing.JLabel; |
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import java.awt.GridLayout; |
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import java.util.Date; |
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import java.util.StringTokenizer; |
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import javax.swing.JComboBox; |
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import java.text.DateFormat; |
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|
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/** |
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* This component displays the users currently logged |
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* onto a syst |
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* extend StringDataComponent, intercepting the value |
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* to convert it. |
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* |
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* It uses the JProgressBar to display the value. |
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* |
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* @author $Author: tdb1 $ |
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* @version $Id: UsersDataComponent.java,v 1.1 2001/01/22 19:35:36 tdb1 Exp $ |
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*/ |
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public class UsersDataComponent extends DataComponent { |
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|
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//---FINAL ATTRIBUTES--- |
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|
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//---STATIC METHODS--- |
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|
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//---CONSTRUCTORS--- |
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|
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/** |
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* Creates the component with a friendly name to be |
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* used as label, but as we're a very basic |
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* extension of StringDataComponent, we just construct |
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* that. |
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* |
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* @param name the friendly name |
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*/ |
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public UsersDataComponent(String name) { |
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_label = new JLabel(name + ": "); |
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_label.setHorizontalAlignment(JLabel.RIGHT); |
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setLayout(new GridLayout(1, 2)); |
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add(_label); |
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add(_item); |
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} |
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|
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//---PUBLIC METHODS--- |
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|
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//---PRIVATE METHODS--- |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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|
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/** |
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* This takes the String value of the parameter that this component |
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* is monitoring direct from the packet, it then performs all |
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* approriate conversions and displays the data. |
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* |
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* In this case all we do is change string and pass it to our |
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* super class for displaying. |
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* |
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* @param value the value for this data component |
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* @throws DataFormatException if there was a problem converting the data for display |
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*/ |
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public void setValue(String value) throws DataFormatException { |
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try { |
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if (!_cache.equals(value)) { |
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_cache = value; |
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_item.removeAllItems(); |
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StringTokenizer st = new StringTokenizer(value); |
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while(st.hasMoreTokens()) { |
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_item.addItem(st.nextToken()); |
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} |
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} |
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} catch (Exception e) { |
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throw new DataFormatException("invalid data type for component ( " + e + ")"); |
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} |
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} |
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|
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//---ATTRIBUTES--- |
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|
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String _cache = ""; |
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|
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/** |
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* The friendly label for this component |
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*/ |
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protected JLabel _label; |
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|
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/** |
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* Just a normal label to display our value as a String |
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*/ |
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protected JComboBox _item = new JComboBox(); |
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|
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//---STATIC ATTRIBUTES--- |
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|
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} |
