[Jarspy-commits] CVS: JarSpy/src/com/ociweb/gui MemoryMeter.java,1.3,1.4

[Jeff B. <br...@us...>]

Update of /cvsroot/jarspy/JarSpy/src/com/ociweb/gui
In directory usw-pr-cvs1:/tmp/cvs-serv18930

Modified Files:
	MemoryMeter.java 
Log Message:
add popup menu to trigger gc and add some comments

Index: MemoryMeter.java
===================================================================
RCS file: /cvsroot/jarspy/JarSpy/src/com/ociweb/gui/MemoryMeter.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** MemoryMeter.java	17 Sep 2002 23:51:36 -0000	1.3
--- MemoryMeter.java	18 Sep 2002 00:08:16 -0000	1.4
***************
*** 20,25 ****
--- 20,31 ----
  
  import java.awt.BorderLayout;
+ import java.awt.event.ActionEvent;
+ import java.awt.event.ActionListener;
+ import java.awt.event.MouseAdapter;
+ import java.awt.event.MouseEvent;
  import java.text.DecimalFormat;
+ import javax.swing.JMenuItem;
  import javax.swing.JPanel;
+ import javax.swing.JPopupMenu;
  import javax.swing.JProgressBar;
  import javax.swing.SwingUtilities;
***************
*** 30,49 ****
  public class MemoryMeter extends JPanel {
  
! 
      public static final long DEFAULT_REFRESH_INTERVAL = 4000;
  
      private JProgressBar progressBar = new JProgressBar();
      private Thread refreshThread;
      private long refreshInterval;
  
      private DecimalFormat kFormatter = new DecimalFormat("#,##0.#K");
      private DecimalFormat mFormatter = new DecimalFormat("###,###,###.#M");
  
      private Runnable updateRunnable;
  
      public MemoryMeter() {
          this(DEFAULT_REFRESH_INTERVAL);
      }
  
      public MemoryMeter(long refreshInterval) {
          super(new BorderLayout());
--- 36,92 ----
  public class MemoryMeter extends JPanel {
  
!     /**
!      * the default amount of time between automatic updates to the display
!      */
      public static final long DEFAULT_REFRESH_INTERVAL = 4000;
  
+     /**
+      * displays current memory utilization
+      */
      private JProgressBar progressBar = new JProgressBar();
+ 
+     /**
+      * thread used to constantly run and update the ui
+      * @see #DEFAULT_REFRESH_INTERVAL
+      */
      private Thread refreshThread;
+ 
+     /**
+      * The amount of time between automatic updates to the display
+      */
      private long refreshInterval;
  
+     /**
+      * used to format memory figures represented in kBytes
+      */
      private DecimalFormat kFormatter = new DecimalFormat("#,##0.#K");
+ 
+     /**
+      * used to format memory figures represented in mBytes
+      */
      private DecimalFormat mFormatter = new DecimalFormat("###,###,###.#M");
  
+     /**
+      * a runnable that is executed each time the display needs to be updated
+      */
      private Runnable updateRunnable;
  
+     /**
+      * popup menu used to trigger gc
+      */
+     private JPopupMenu gcPopup;
+ 
+     /**
+      * default constructor uses DEFAULT_REFRESH_INTERVAL
+      */
      public MemoryMeter() {
          this(DEFAULT_REFRESH_INTERVAL);
      }
  
+     /**
+      *
+      * @param refreshInterval the number of milliseconds between
+      * updates to the display
+      */
      public MemoryMeter(long refreshInterval) {
          super(new BorderLayout());
***************
*** 56,69 ****
              }
          };
!     }
! 
!     public void addNotify() {
!         super.addNotify();
!         start();
!     }
! 
!     public void removeNotify() {
!         stop();
!         super.removeNotify();
      }
  
--- 99,119 ----
              }
          };
!         gcPopup = new JPopupMenu();
!         JMenuItem mi = new JMenuItem("Run GC");
!         gcPopup.add(mi);
!         mi.addActionListener(new ActionListener() {
!             public void actionPerformed(ActionEvent ae) {
!                 System.runFinalization();
!                 System.gc();
!                 SwingUtilities.invokeLater(updateRunnable);
!             }
!         });
!         progressBar.addMouseListener(new MouseAdapter() {
!             public void mouseClicked(MouseEvent me) {
!                 if (me.getButton() != 1) {
!                     gcPopup.show(MemoryMeter.this, me.getX(), me.getY());
!                 }
!             }
!         });
      }
  
***************
*** 119,122 ****
--- 169,181 ----
              return kFormatter.format(value / 1000f);
          }
+     }
+     public void addNotify() {
+         super.addNotify();
+         start();
+     }
+ 
+     public void removeNotify() {
+         stop();
+         super.removeNotify();
      }
  }