Issue #3604 Fix NPE in Imaging Dialog.

Former-commit-id: 15f35e6dcc [formerly e2043fd8034dde47963a32108b1475ee7db1ea18]
Former-commit-id: ed7b816989

cave/com.raytheon.viz.radar/src/com/raytheon/viz/radar/rsc/mosaic/RadarMosaicResource.java

@@ -59,6 +59,7 @@ import com.raytheon.uf.viz.core.rsc.IRefreshListener;
 import com.raytheon.uf.viz.core.rsc.IResourceDataChanged;
 import com.raytheon.uf.viz.core.rsc.LoadProperties;
 import com.raytheon.uf.viz.core.rsc.ResourceList;
+import com.raytheon.uf.viz.core.rsc.capabilities.AbstractCapability;
 import com.raytheon.uf.viz.core.rsc.capabilities.ColorMapCapability;
 import com.raytheon.uf.viz.core.rsc.capabilities.ColorableCapability;
 import com.raytheon.viz.core.rsc.BestResResource;
@@ -82,6 +83,9 @@ import com.vividsolutions.jts.geom.Coordinate;
  * Jun 12, 2009  1937     askripsk    Initial creation
  * May 21, 2009  6309     garmendariz Modified path for Geotools 2.6.4
  * May 01, 2014  3100     bsteffen    perform time matching on data update.
+ * Sep 10, 2014  3604     bsteffen    Ensure capability changes propogate to
+ *                                    all resources/listeners.
+ * 
  * 
  * 
  * </pre>
@@ -123,7 +127,7 @@ public class RadarMosaicResource extends
     };
 
     protected RadarMosaicResource(RadarMosaicResourceData rrd,
-            LoadProperties loadProps) throws VizException {
+            LoadProperties loadProps) {
         super(rrd, loadProps);
         timeUpdateJob.setSystem(true);
         rrd.addChangeListener(this);
@@ -230,12 +234,7 @@ public class RadarMosaicResource extends
         return maxSeverity;
     }
 
-    /*
-     * (non-Javadoc)
-     * 
-     * @seecom.raytheon.viz.core.rsc.IVizResource#paint(com.raytheon.viz.core.
-     * IGraphicsTarget, com.raytheon.viz.core.PixelExtent, double, float)
-     */
+    @Override
     protected void paintInternal(IGraphicsTarget target,
             PaintProperties paintProps) throws VizException {
         DataTime[] frameTimes = paintProps.getFramesInfo().getTimeMap()
@@ -624,6 +623,17 @@ public class RadarMosaicResource extends
             }
             dataTimes.remove(time);
             break;
+        case CAPABILITY:
+            AbstractCapability cap = (AbstractCapability) object;
+            /*
+             * Since mosaic shares capabilities, need to make sure resourceData
+             * is always set to the mosaic resource data so that all resources
+             * are notified.
+             */
+            if (cap.getResourceData() != resourceData) {
+                cap.setResourceData(resourceData);
+                resourceData.fireChangeListeners(type, object);
+            }
         }
         synchronized (this) {
             force = true;
@@ -631,6 +641,16 @@ public class RadarMosaicResource extends
         issueRefresh();
     }
 
+    @Override
+    protected void resourceDataChanged(ChangeType type, Object updateObject) {
+        if (ChangeType.CAPABILITY == type) {
+            for (ResourcePair rp : getResourceList()) {
+                rp.getResourceData().fireChangeListeners(type, updateObject);
+
+            }
+        }
+    }
+
     @Override
     public String getName() {
         if (groupName == null) {
@@ -651,6 +671,7 @@ public class RadarMosaicResource extends
         return groupName;
     }
 
+    @Override
     public String[] getUpperText(DataTime time) {
         if (!getResourceData().getMergeUpperText()) {
             return null;

cave/com.raytheon.viz.ui/src/com/raytheon/viz/ui/dialogs/ImagingDialog.java

@@ -91,6 +91,7 @@ import com.raytheon.viz.ui.editor.IMultiPaneEditor;
  *                                    ColorMapCapability is not present.
  * Apr 08, 2014  2905     bsteffen    Add option to interpolate colors.
  * Apr 16, 2014  3037     lvenable    Add dispose check in runAsync call.
+ * Sep 10, 2014  3604     bsteffen    Check for colormap before setting interpolation state.
  * 
  * </pre>
  * 
@@ -771,26 +772,28 @@ public class ImagingDialog extends CaveSWTDialog implements
             if (topResource.hasCapability(ColorMapCapability.class)) {
                 final ColorMapCapability cmcap = topResource
                         .getCapability(ColorMapCapability.class);
+                ColorMapParameters cmparms = cmcap.getColorMapParameters();
                 String currentCMap = "Not Selected";
-                if (cmcap.getColorMapParameters() != null
-                        && cmcap.getColorMapParameters().getColorMap() != null) {
-                    currentCMap = cmcap.getColorMapParameters().getColorMap()
-                            .getName();
+                if (cmparms != null && cmparms.getColorMap() != null) {
+                    currentCMap = cmparms.getColorMap().getName();
                     if (currentCMap == null) {
                         currentCMap = "";
                     }
                 }
                 topColormapComp.setCap(cmcap);
-                topColormapComp.setParams(cmcap.getColorMapParameters());
+                topColormapComp.setParams(cmparms);
                 if (currentCMap.isEmpty()) {
                     currentCMap = UNSAVED_CMAP_DISPLAY_NAME;
                 }
                 topColormapComp.getCMapButton().setText(currentCMap);
 
                 topColorMapButton.setText("Edit " + topResourceName);
+
                 interpolateColorsCheckbox.setEnabled(true);
-                interpolateColorsCheckbox.setSelection(cmcap
-                        .getColorMapParameters().isInterpolate());
+                if (cmparms != null) {
+                    interpolateColorsCheckbox.setSelection(cmparms
+                            .isInterpolate());
+                }
             } else {
                 topColorMapButton.setText(topResourceName
                         + " is not color mapped.");