/** Disposes of this wizard page support object, removing any listeners it may have attached. */
public void dispose() {
aggregateStatus.dispose();
if (!uiChanged) {
for (Iterator it = dbc.getBindings().iterator(); it.hasNext(); ) {
Binding binding = (Binding) it.next();
binding.getTarget().removeChangeListener(uiChangeListener);
}
dbc.getBindings().removeListChangeListener(bindingsListener);
}
aggregateStatus = null;
dbc = null;
uiChangeListener = null;
bindingsListener = null;
wizardPage = null;
}
/** @return true if page is valid */
protected boolean updateValidationMessages() {
boolean messageSet = false;
IStatus statusParent =
AggregateValidationStatus.getStatusMerged(getBindingContext().getBindings());
// Iter for errors
for (IStatus statusChild : statusParent.getChildren()) {
if (statusChild.getSeverity() == IStatus.ERROR) {
presentation.setErrorMessage(statusChild.getMessage());
messageSet = true;
if (statusChild.getException() != null) {
statusChild.getException().printStackTrace();
}
break;
}
}
if (!messageSet) {
presentation.clearErrorMessage();
// Iter for warnings
for (IStatus statusChild : statusParent.getChildren()) {
if (statusChild.getSeverity() == IStatus.WARNING) {
presentation.setMessage(statusChild.getMessage(), IMessageProvider.WARNING);
messageSet = true;
break;
}
}
}
if (!messageSet) {
// Iter for information
for (IStatus statusChild : statusParent.getChildren()) {
if (statusChild.getSeverity() == IStatus.INFO) {
presentation.setMessage(statusChild.getMessage(), IMessageProvider.INFORMATION);
messageSet = true;
break;
}
}
}
if (!messageSet) {
IStatus customValidationStatus = getValidationStatus();
if (customValidationStatus == null) {
presentation.clearErrorMessage();
presentation.setMessage(null, IMessageProvider.NONE);
} else if (customValidationStatus.getSeverity() == IStatus.ERROR) {
presentation.setErrorMessage(customValidationStatus.getMessage());
} else if (customValidationStatus.getSeverity() == IStatus.WARNING) {
presentation.setMessage(customValidationStatus.getMessage(), IMessageProvider.WARNING);
} else if (customValidationStatus.getSeverity() == IStatus.INFO) {
presentation.setMessage(customValidationStatus.getMessage(), IMessageProvider.INFORMATION);
}
}
if (!messageSet) {
presentation.setMessage(null, IMessageProvider.NONE);
}
return !presentation.hasErrorMessage();
}
protected void init() {
aggregateStatus =
new AggregateValidationStatus(dbc.getBindings(), AggregateValidationStatus.MAX_SEVERITY);
aggregateStatus.addValueChangeListener(
new IValueChangeListener() {
public void handleValueChange(ValueChangeEvent event) {
currentStatus = (IStatus) event.diff.getNewValue();
handleStatusChanged();
}
});
currentStatus = (IStatus) aggregateStatus.getValue();
handleStatusChanged();
dbc.getBindings().addListChangeListener(bindingsListener);
for (Iterator it = dbc.getBindings().iterator(); it.hasNext(); ) {
Binding binding = (Binding) it.next();
binding.getTarget().addChangeListener(uiChangeListener);
}
}
@Override
protected final Control createContents(Composite parent) {
Control answer = super.createContents(parent);
bindings.onValidationStatusChanged(
AggregateValidationStatus.getStatusMaxSeverity(
getBindingContext().getValidationStatusProviders()));
return answer;
}
