/**
* Constructs an {@code AlertsViewer} to display alerts for a single alert type.
*
* @param alert the alerts
* @param context the context
* @param help the help context
*/
public AlertsViewer(Alert alert, Context context, HelpContext help) {
this(Arrays.asList(alert), context, help);
if (alert.getAlert() != null) {
setTitle(DescriptorHelper.getDisplayName(alert.getAlert()));
} else {
setTitle(alert.getAlertType().getName());
}
}
/**
* Shows an alert.
*
* @param alert the alert to show. May be {@code null}
*/
private void show(Alert alert) {
if (alert != null) {
if (viewer != null) {
column.remove(viewer);
}
if (alert.getAlert() != null) {
DefaultLayoutContext layout = new DefaultLayoutContext(context, getHelpContext());
viewer = new IMObjectViewer(alert.getAlert(), layout).getComponent();
} else {
viewer = LabelFactory.create("alert.nodetail", "bold");
ColumnLayoutData layout = new ColumnLayoutData();
layout.setAlignment(Alignment.ALIGN_CENTER);
viewer.setLayoutData(layout);
}
column.add(viewer);
}
}
/**
* Returns the value found at the given coordinate within the table.
*
* @param object the object
* @param column the column
* @param row the row
* @return the value at the given coordinate.
*/
protected Object getValue(Alert object, TableColumn column, int row) {
int index = column.getModelIndex();
Object result = null;
switch (index) {
case PRIORITY:
result = getPriority(object);
break;
case ALERT:
result = getAlertType(object);
break;
case REASON:
Act act = object.getAlert();
if (act != null) {
ActBean bean = new ActBean(act);
result = bean.getString("reason");
}
break;
default:
throw new IllegalArgumentException("Illegal column=" + index);
}
return result;
}
