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VLab Issue #4350 - NTRANS resource selection GUI enhancements

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Change-Id: Ic4ae8c69e53b373fc7c473921af3fe286c1f2b02

Former-commit-id: eddd40fa96 [formerly e69657f6e114e2559f991d1b520bc57b18a3e763]
Former-commit-id: fee757ff1d
This commit is contained in:
Stephen Gilbert 2014-09-03 14:35:14 -04:00
parent 4abe38b3ac
commit e8ed3853ae
1 changed files with 39 additions and 1 deletions
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40
ncep/gov.noaa.nws.ncep.viz.resourceManager/src/gov/noaa/nws/ncep/viz/resourceManager/ui/createRbd/NtransSelectionControl.java
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@ -17,6 +17,8 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelectionChangedListener;
@ -53,6 +55,7 @@ import com.raytheon.uf.viz.core.exception.VizException;
* Date Ticket# Engineer Description
* ------------ ---------- ----------- --------------------------
* 07/23/2014 B. Hebbard Fork off NTRANS-specific code from ResourceSelectionControl
* 08/26/2014 B. Hebbard Adjust metafile column comparator to put latest data at top
*
* </pre>
*
@ -692,7 +695,42 @@ public class NtransSelectionControl extends ResourceSelectionControl {
metafileLViewer.setComparator(new ViewerComparator() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
return super.compare(viewer, e1, e2);
// Ordering of the metafile name column is a bit more
// complicated than the other columns, because we want to
// present files in reverse chronological order so the most
// recent data appear at the top. But among files representing
// the same date+time, we want to revert to standard
// lexicographical ordering.
if (!(e1 instanceof String && e2 instanceof String)) {
return super.compare(viewer, e1, e2);
} else {
// This pattern covers known date-time orderings in metafile
// names (modified _ to - as already done by decoder)
final Pattern p = Pattern
.compile("((\\d\\d){3,4})-?(\\d\\d)?");
Matcher m1 = p.matcher((String) e1);
Matcher m2 = p.matcher((String) e2);
String datetime1 = "";
String datetime2 = "";
// Must handle multiple matches -- if found,
// take the longest match
while (m1.find()) {
if (m1.group(0).length() >= datetime1.length()) {
datetime1 = m1.group(0);
}
}
while (m2.find()) {
if (m2.group(0).length() >= datetime2.length()) {
datetime2 = m2.group(0);
}
}
if (datetime1.equals(datetime2)) {
return super.compare(viewer, e1, e2);
} else {
return -1 // latest date/time first
* super.compare(viewer, datetime1, datetime2);
}
}
}
});