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Issue #2145 Verify movable ring coordinates prior to saving.

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Change-Id: I4772e180d0af394985dbd1bdc65007a8c02feed0

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This commit is contained in:
Roger Ferrel 2013-07-09 07:33:10 -05:00
parent dc01673b13
commit e2b92d0f6e
1 changed files with 133 additions and 33 deletions
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162
cave/com.raytheon.viz.awipstools/src/com/raytheon/viz/awipstools/ui/dialog/RangeRingDialog.java
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@ -23,6 +23,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
@ -49,7 +50,10 @@ import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;
import org.geotools.measure.Latitude;
import org.geotools.measure.Longitude;
import com.raytheon.uf.common.geospatial.MapUtil;
import com.raytheon.uf.viz.core.VizApp;
import com.raytheon.uf.viz.core.exception.VizException;
import com.raytheon.uf.viz.core.rsc.AbstractResourceData;
@ -127,30 +131,53 @@ public class RangeRingDialog extends CaveJFACEDialog implements
@Override
public void verifyText(VerifyEvent e) {
Text text = (Text) e.getSource();
RangeRing ring = ((MovableRingRow) text.getData()).ring;
MovableRingRow row = (MovableRingRow) text.getData();
RangeRing ring = row.ring;
boolean isLat = (Boolean) text.getData(isLatKey);
if (ring == null) {
return;
}
// Setup the purposed editing changes to the text.
StringBuilder sb = new StringBuilder(text.getText());
sb.replace(e.start, e.end, e.text);
if (sb.length() > 0) {
if (sb.length() == 0) {
// Empty string value.
if (isLat) {
row.latitude = 0.0;
} else {
row.longitude = 0.0;
}
} else {
try {
double value = Double.parseDouble(sb.toString());
Coordinate coord = ring.getCenterCoordinate();
// Valid double keep for updates.
if (isLat) {
coord.y = value;
row.latitude = value;
} else {
coord.x = value;
row.longitude = value;
}
ring.setCenterCoordinate(coord);
} catch (NumberFormatException ex) {
if (sb.length() != 1) {
e.doit = false;
} else {
// Allow parse error when it may be the start of a
// valid double.
if (sb.length() == 1) {
// Single character is '+', '-' or '.'.
e.doit = "+-.".contains(sb);
} else if (sb.length() == 2) {
e.doit = (sb.indexOf("+.") == 0)
|| (sb.indexOf("-.") == 0);
} else {
e.doit = false;
}
// Treat like an empty string.
if (e.doit) {
if (isLat) {
row.latitude = 0.0;
} else {
row.longitude = 0.0;
}
}
}
}
@ -205,9 +232,9 @@ public class RangeRingDialog extends CaveJFACEDialog implements
public void dispose() {
enabled.dispose();
id.dispose();
radii[0].dispose();
radii[1].dispose();
radii[2].dispose();
for (Text text : radii) {
text.dispose();
}
label.dispose();
}
}
@ -247,6 +274,19 @@ public class RangeRingDialog extends CaveJFACEDialog implements
*/
private Composite parent;
// WARNING Use these to validate the coordinate instead of modifying the
// row ring's center coordinate. Modifying the center coordinate makes
// changes that impact the perspective the next time it is refreshed.
// Thus negating the cancel button. Cloning the ring will break the
// connection with the perspective. So moving a ring on the perspective
// will not update the lat/lon on the dialog.
/** Current double value in the lat field. */
public double latitude;
/** Current double value in the lon field. */
public double longitude;
/**
* Constructor.
*
@ -276,7 +316,9 @@ public class RangeRingDialog extends CaveJFACEDialog implements
id.setText(ring.getId());
Coordinate center = ring.getCenterCoordinate();
lon.setText(String.format(formatLatLon, center.x));
longitude = center.x;
lat.setText(String.format(formatLatLon, center.y));
latitude = center.y;
radius.setText(String.valueOf(ring.getRadius()));
for (int i = 0; i < MOVABLE_LABELS.length; i++) {
if (MOVABLE_LABELS[i].equals(ring.getLabel())) {
@ -711,16 +753,14 @@ public class RangeRingDialog extends CaveJFACEDialog implements
row.ring.setVisible(row.enabled.getSelection());
}
});
row.id = new Label(fixedRingsComposite, SWT.NONE);
row.radii[0] = new Text(fixedRingsComposite, SWT.SINGLE | SWT.BORDER);
row.radii[1] = new Text(fixedRingsComposite, SWT.SINGLE | SWT.BORDER);
row.radii[2] = new Text(fixedRingsComposite, SWT.SINGLE | SWT.BORDER);
row.radii[0].setLayoutData(new GridData(width, height));
row.radii[1].setLayoutData(new GridData(width, height));
row.radii[2].setLayoutData(new GridData(width, height));
row.radii[0].addVerifyListener(verifyRadius);
row.radii[1].addVerifyListener(verifyRadius);
row.radii[2].addVerifyListener(verifyRadius);
for (int i = 0; i < row.radii.length; ++i) {
Text text = new Text(fixedRingsComposite, SWT.SINGLE | SWT.BORDER);
text.setLayoutData(new GridData(width, height));
text.addVerifyListener(verifyRadius);
row.radii[i] = text;
}
row.label = new Combo(fixedRingsComposite, SWT.DROP_DOWN
| SWT.READ_ONLY);
row.label.setItems(FIXED_LABELS);
@ -739,9 +779,17 @@ public class RangeRingDialog extends CaveJFACEDialog implements
row.enabled.setSelection(ring.isVisible());
row.id.setText(ring.getId());
int[] radii = ring.getRadii();
row.radii[0].setText(String.valueOf(radii[0]));
row.radii[1].setText(String.valueOf(radii[1]));
row.radii[2].setText(String.valueOf(radii[2]));
int length = Math.min(radii.length, row.radii.length);
// Guard against to many or to few entries added manually to the
// localized file.
for (int i = 0; i < length; ++i) {
row.radii[i].setText(String.valueOf(radii[i]));
}
for (int i = length; i < row.radii.length; ++i) {
row.radii[i].setText("0");
}
for (int i = 0; i < FIXED_LABELS.length; i++) {
if (FIXED_LABELS[i].equals(ring.getLabel())) {
row.label.select(i);
@ -783,6 +831,54 @@ public class RangeRingDialog extends CaveJFACEDialog implements
getShell().pack();
}
/**
* Validate the coordinates for the movable rings.
*
* @return true when all coordinates are valid
*/
private boolean verifyRings() {
String errMsg = null;
for (MovableRingRow row : movableRings) {
if (row.latitude < Latitude.MIN_VALUE
|| row.latitude > Latitude.MAX_VALUE) {
errMsg = String.format("Latitude %s is out of range (±90°).",
new Latitude(row.latitude));
row.lat.selectAll();
row.lat.forceFocus();
break;
}
if (row.longitude > 180.0 && row.longitude <= 360.0) {
// Adjust value to range (±180°).
row.longitude = MapUtil.correctLon(row.longitude);
row.lon.setText(String.format(formatLatLon, row.longitude));
} else if (row.longitude < Longitude.MIN_VALUE
|| row.longitude > Longitude.MAX_VALUE) {
// To far outside of range to adjust let the user handle it.
errMsg = String.format("Longitude %s is out of range (±180°).",
new Longitude(row.longitude));
row.lon.selectAll();
row.lon.forceFocus();
break;
}
}
if (errMsg != null) {
final String message = errMsg;
// Finish up the listener that called this before opening the
// dialog.
VizApp.runAsync(new Runnable() {
@Override
public void run() {
MessageDialog.openError(getShell(), "Error", message);
}
});
return false;
}
return true;
}
/**
* Save users range rings to the manager and notify others of the change.
*/
@ -803,14 +899,11 @@ public class RangeRingDialog extends CaveJFACEDialog implements
boolean enabled = row.enabled.getSelection();
String id = row.id.getText();
int radius = checkedParseInt(row.radius.getText());
double lat = row.ring.getCenterCoordinate().y;
double lon = row.ring.getCenterCoordinate().x;
Coordinate center = new Coordinate(lon, lat);
Coordinate center = new Coordinate(row.longitude, row.latitude);
String label = row.label.getText();
rangeRings.add(new RangeRing(id, center, radius, label, enabled));
}
toolsDataManager.setRangeRings(rangeRings);
resourceData.fireChangeListeners(ChangeType.DATA_UPDATE, null);
load();
}
@ -844,19 +937,26 @@ public class RangeRingDialog extends CaveJFACEDialog implements
cancelButton.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
// passing false closes the dialog
resourceData.fireChangeListeners(ChangeType.DATA_UPDATE, false);
close();
}
});
applyButton.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
if (verifyRings()) {
saveChanges();
resourceData.fireChangeListeners(ChangeType.DATA_UPDATE,
null);
}
}
});
okButton.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
if (verifyRings()) {
saveChanges();
resourceData.fireChangeListeners(ChangeType.DATA_UPDATE, false);
close();
} else {
event.doit = false;
}
}
});
}