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//---PACKAGE DECLARATION--- |
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package uk.org.iscream.conient.datacomponents; |
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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 javax.swing.JProgressBar; |
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import javax.swing.SwingUtilities; |
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import uk.org.iscream.util.XMLPacket; |
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/** |
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* This is DataComponent specifically for |
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* displaying Disk information. It displays |
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* a value/total type display using a JProgessBar. |
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* |
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* It does this by extending the StorageDataComponent. |
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* |
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* @author $Author: ajm4 $ |
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* @version $Id: DiskFreeDataComponent.java,v 1.5 2001/03/15 01:05:46 ajm4 Exp $ |
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*/ |
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public class DiskDataComponent extends StorageDataComponent { |
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//---FINAL ATTRIBUTES--- |
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/** |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision: 1.5 $"; |
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//---STATIC METHODS--- |
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//---CONSTRUCTORS--- |
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/** |
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* Creates the component with a friendly name to be |
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* used as label |
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* |
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* @param name the friendly name |
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* @param attribute the data attribute we look after |
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* @param maxAttribute the data attribute to obtain the maximum value from |
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* @param mountAttribute the data attribute to obtain the disk mount point |
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* @param devAttribute the data attribute to obtain the disk device |
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* @param unit the string representation of the units eg, "Mb" or "Kb" |
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* @param divider the amount that the given value should be multiplied by to reach the given units |
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* @param mountPoint the component that will supply the mount point for this disk |
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* @param device the component that will supply the device for this disk |
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*/ |
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public DiskDataComponent(String name, String attribute, String maxAttribute, String mountAttribute, String deviceAttribute, String unit, int divider) { |
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super(name, attribute, maxAttribute, unit, divider); |
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_mountAttribute = mountAttribute; |
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_deviceAttribute = deviceAttribute; |
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} |
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//---PUBLIC METHODS--- |
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/** |
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* This run method updates any Swing components |
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* The setValue() method adds this component |
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* to the Swing Event Dispatching Queue to |
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* run this method. |
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*/ |
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public void run() { |
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super.run(); |
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setLabel(); |
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} |
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//---PRIVATE METHODS--- |
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private void setLabel() { |
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_label.setText(_name + " on " + _mountCache + " (" + _deviceCache + ") : "); |
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} |
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//---ACCESSOR/MUTATOR METHODS--- |
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/** |
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* This takes the packet to obtain the value from, it then performs all |
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* approriate conversions and adds this class to the Swing Event |
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* Dispatching queue. |
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* |
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* @param packet the XMLPacket to get the data from |
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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(XMLPacket packet) throws DataFormatException { |
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super.setValue(packet); |
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String mountvalue = packet.getParam(_mountAttribute); |
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String devicevalue = packet.getParam(_deviceAttribute); |
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if (!_mountCache.equals(mountvalue) || !_deviceCache.equals(devicevalue)) { |
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_mountCache = mountvalue; |
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_deviceCache = devicevalue; |
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SwingUtilities.invokeLater(this); |
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} |
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} |
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//---ATTRIBUTES--- |
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/** |
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* Holds the last value of the mountPoint |
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*/ |
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private String _mountCache = ""; |
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/** |
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* Hold the last value for the device |
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*/ |
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private String _deviceCache = ""; |
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/** |
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* The device attribute that this component is concerned with |
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*/ |
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private String _deviceAttribute; |
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/** |
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* The mount attribute that this component is concerned with |
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*/ |
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private String _mountAttribute; |
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//---STATIC ATTRIBUTES--- |
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} |