public class MigrationProgressColumn extends AbstractOneColorPercentColumn<VM> {
private EnumRenderer<VMStatus> renderer = new EnumRenderer<>();
private static final ApplicationMessages messages = AssetProvider.getMessages();
public MigrationProgressColumn() {
super(AbstractProgressBarColumn.ProgressBarColors.GREEN);
}
@Override
public Integer getProgressValue(VM object) {
return object.getMigrationProgressPercent();
}
public final SafeHtml getValue(VM vm) {
if (!migrating(vm)) {
return null;
}
return super.getValue(vm);
}
public boolean migrating(VM vm) {
return vm.getStatus() == VMStatus.MigratingFrom;
}
@Override
protected String getStyle() {
return "engine-progress-box-migration"; //$NON-NLS-1$
}
@Override
protected String getProgressText(VM vm) {
String percentText = super.getProgressText(vm);
if (migrating(vm)) {
return messages.migratingProgress(renderer.render(vm.getStatus()), percentText);
}
return percentText;
}
}
public class SubTabClusterGeneralPresenter
extends AbstractSubTabClusterPresenter<
ClusterGeneralModel,
SubTabClusterGeneralPresenter.ViewDef,
SubTabClusterGeneralPresenter.ProxyDef> {
private static final ApplicationConstants constants = AssetProvider.getConstants();
private static final ApplicationMessages messages = AssetProvider.getMessages();
@ProxyCodeSplit
@NameToken(WebAdminApplicationPlaces.clusterGeneralSubTabPlace)
public interface ProxyDef extends TabContentProxyPlace<SubTabClusterGeneralPresenter> {}
public interface ViewDef extends AbstractSubTabPresenter.ViewDef<VDSGroup> {
/** Clear all the alerts currently displayed in the alerts panel of the cluster. */
void clearAlerts();
/**
* Displays a new alert in the alerts panel of the host.
*
* @param widget the widget used to display the alert, usually just a text label, but can also
* be a text label with a link to an action embedded
*/
void addAlert(Widget widget);
}
@TabInfo(container = ClusterSubTabPanelPresenter.class)
static TabData getTabData(
DetailModelProvider<ClusterListModel<Void>, ClusterGeneralModel> modelProvider) {
return new ModelBoundTabData(constants.clusterGeneralSubTabLabel(), 0, modelProvider);
}
@Inject
public SubTabClusterGeneralPresenter(
EventBus eventBus,
ViewDef view,
ProxyDef proxy,
ClusterMainTabSelectedItems selectedItems,
PlaceManager placeManager,
DetailModelProvider<ClusterListModel<Void>, ClusterGeneralModel> modelProvider) {
super(
eventBus,
view,
proxy,
placeManager,
modelProvider,
selectedItems,
ClusterSubTabPanelPresenter.TYPE_SetTabContent);
}
@Override
public void initializeHandlers() {
super.initializeHandlers();
// Initialize the list of alerts:
final ClusterGeneralModel model = getModelProvider().getModel();
updateAlerts(getView(), model);
// Listen for changes in the properties of the model in order
// to update the alerts panel:
model
.getPropertyChangedEvent()
.addListener(
new IEventListener<PropertyChangedEventArgs>() {
@Override
public void eventRaised(
Event<? extends PropertyChangedEventArgs> ev,
Object sender,
PropertyChangedEventArgs args) {
if (args.propertyName.contains("Alert")) { // $NON-NLS-1$
updateAlerts(getView(), model);
} else if (args.propertyName.contains(
"consoleAddressPartiallyOverridden")) { //$NON-NLS-1$
updateAlerts(getView(), model);
}
}
});
}
/**
* Review the model and if there are alerts add them to the view.
*
* @param view the view where alerts should be added
* @param model the model to review
*/
private void updateAlerts(final ViewDef view, final ClusterGeneralModel model) {
// Clear all the alerts:
view.clearAlerts();
// Review the alerts and add those that are active:
if (model.getHasNewGlusterHostsAlert()) {
addTextAndLinkAlert(
view,
messages.clusterHasNewGlusterHosts(),
model.getImportNewGlusterHostsCommand(),
model.getDetachNewGlusterHostsCommand());
}
if (model.isConsoleAddressPartiallyOverridden()) {
view.addAlert(new Label(constants.consolePartiallyOverridden()));
}
}
/**
* Create a widget containing text and a link that triggers the execution of a command.
*
* @param view the view where the alert should be added
* @param text the text content of the alert
* @param commands the command that should be executed when the link is clicked
*/
private void addTextAndLinkAlert(
final ViewDef view, final String text, final UICommand... commands) {
// Create a flow panel containing the text and the link:
final FlowPanel alertPanel = new FlowPanel();
int start = 0;
for (final UICommand command : commands) {
// Find the open and close positions of the link within the message:
final int openIndex = text.indexOf("<a>", start); // $NON-NLS-1$
final int closeIndex = text.indexOf("</a>", start); // $NON-NLS-1$
if (openIndex == -1 || closeIndex == -1 || closeIndex < openIndex) {
break;
}
// Extract the text before, inside and after the tags:
final String beforeText = text.substring(start, openIndex);
final String betweenText = text.substring(openIndex + 3, closeIndex);
start = closeIndex + 4;
// Create the label for the text before the tag:
final Label beforeLabel = new Label(beforeText);
beforeLabel
.getElement()
.getStyle()
.setProperty("display", "inline"); // $NON-NLS-1$ //$NON-NLS-2$
alertPanel.add(beforeLabel);
// Create the anchor:
final Anchor betweenAnchor = new Anchor(betweenText);
betweenAnchor
.getElement()
.getStyle()
.setProperty("display", "inline"); // $NON-NLS-1$ //$NON-NLS-2$
alertPanel.add(betweenAnchor);
// Add a listener to the anchor so that the command is executed when
// it is clicked:
betweenAnchor.addClickHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
command.execute();
}
});
}
if (start < text.length()) {
final String afterText = text.substring(start);
// Create the label for the text after the tag:
final Label afterLabel = new Label(afterText);
afterLabel
.getElement()
.getStyle()
.setProperty("display", "inline"); // $NON-NLS-1$ //$NON-NLS-2$
alertPanel.add(afterLabel);
}
if (start > 0) {
// Add the alert to the view:
view.addAlert(alertPanel);
}
}
}