Issue #2349 - Fixed font memory leaks

Former-commit-id: 0816c3e7c7 [formerly 02651018f2 [formerly e81149f65d944f9898509a6ff03b063662a88882]]
Former-commit-id: 02651018f2
Former-commit-id: 6b171d20db

cave/com.raytheon.viz.hydro/src/com/raytheon/viz/hydro/appsdefaults/GetAppsDefaults.java

@@ -46,6 +46,7 @@ import com.raytheon.viz.ui.dialogs.CaveSWTDialog;
  * ------------ ---------- ----------- --------------------------
  * Jan 26, 2011            mpduff     Initial creation
  * Dec 07, 2012 1353       rferrel    Make dialog non-blocking.
+ * 09 Sep 2013  #2349      lvenable   Fixed Font memory leak.
  * 
  * </pre>
  * 
@@ -168,6 +169,14 @@ public class GetAppsDefaults extends CaveSWTDialog {
         });
     }
 
+    @Override
+    protected void disposed() {
+        if (font != null) {
+            font.dispose();
+            font = null;
+        }
+    }
+
     private void gad() {
         String token = searchField.getText();
         if ((token != null) && (token.length() > 0)) {

cave/com.raytheon.viz.hydro/src/com/raytheon/viz/hydro/stationreporting/StationReportingStatusDlg.java

@@ -69,6 +69,7 @@ import com.raytheon.viz.ui.dialogs.CaveSWTDialog;
  * 21 Feb 2010  2915       mpduff      Fixed Time Zone problem.
  * 23 Feb 2010  4303       mpduff      Changed the "missing" date display to be N/A.
  * 16 Apr 2013  1790       rferrel     Make dialog non-blocking.
+ * 09 Sep 2013  #2349      lvenable   Fixed Font memory leak.
  * 
  * </pre>
  * 
@@ -195,7 +196,13 @@ public class StationReportingStatusDlg extends CaveSWTDialog {
      */
     @Override
     protected void disposed() {
-        font.dispose();
+        if (font != null) {
+            font.dispose();
+        }
+
+        if (controlFont != null) {
+            controlFont.dispose();
+        }
     }
 
     /*
@@ -632,7 +639,7 @@ public class StationReportingStatusDlg extends CaveSWTDialog {
             for (StationReportingData currData : obsForLid) {
                 String entry = String
                         .format("%-8s %-3s %-5d %-4s %-2s %-17s  %-8.2f %-2s  %-2s %-2s %-11s %-16s %-16s", //
-                        currData.getLid(), //
+                                currData.getLid(), //
                                 currData.getPe(),//
                                 currData.getDur(), //
                                 currData.getTs(), //

cave/com.raytheon.viz.hydrocommon/src/com/raytheon/viz/hydrocommon/ratingcurve/RatingCurveCanvasComp.java

@@ -22,6 +22,8 @@ package com.raytheon.viz.hydrocommon.ratingcurve;
 import java.util.List;
 
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.events.MouseEvent;
 import org.eclipse.swt.events.MouseListener;
 import org.eclipse.swt.events.MouseMoveListener;
@@ -44,6 +46,7 @@ import org.eclipse.swt.widgets.Composite;
  * ------------	----------	-----------	--------------------------
  * Sep 8, 2008				lvenable	Initial creation
  * Jul 15, 2013 2088        rferrel     Code clean part of non-blocking dialogs.
+ * 09 Sep 2013  #2349       lvenable    Fixed Font memory leak.
  * 
  * </pre>
  * 
@@ -279,6 +282,15 @@ public class RatingCurveCanvasComp extends Canvas {
         calcMaxStageMaxFlow();
         calcPixelsPerIncrement();
         setupCanvas();
+
+        parent.addDisposeListener(new DisposeListener() {
+            @Override
+            public void widgetDisposed(DisposeEvent e) {
+                if (canvasFont != null) {
+                    canvasFont.dispose();
+                }
+            }
+        });
     }
 
     /**