package org.ovirt.engine.ui.webadmin.section.main.presenter.tab.host;
import org.ovirt.engine.core.common.businessentities.VDS;
import org.ovirt.engine.core.compat.Event;
import org.ovirt.engine.core.compat.EventArgs;
import org.ovirt.engine.core.compat.IEventListener;
import org.ovirt.engine.core.compat.PropertyChangedEventArgs;
import org.ovirt.engine.ui.uicommonweb.UICommand;
import org.ovirt.engine.ui.uicommonweb.models.hosts.HostGeneralModel;
import org.ovirt.engine.ui.uicommonweb.models.hosts.HostListModel;
import org.ovirt.engine.ui.webadmin.ApplicationMessages;
import org.ovirt.engine.ui.webadmin.gin.ClientGinjector;
import org.ovirt.engine.ui.webadmin.gin.ClientGinjectorProvider;
import org.ovirt.engine.ui.webadmin.place.ApplicationPlaces;
import org.ovirt.engine.ui.webadmin.section.main.presenter.AbstractSubTabPresenter;
import org.ovirt.engine.ui.webadmin.section.main.presenter.tab.HostSelectionChangeEvent;
import org.ovirt.engine.ui.webadmin.uicommon.model.DetailModelProvider;
import org.ovirt.engine.ui.webadmin.widget.tab.ModelBoundTabData;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;
import com.gwtplatform.mvp.client.TabData;
import com.gwtplatform.mvp.client.annotations.NameToken;
import com.gwtplatform.mvp.client.annotations.ProxyCodeSplit;
import com.gwtplatform.mvp.client.annotations.ProxyEvent;
import com.gwtplatform.mvp.client.annotations.TabInfo;
import com.gwtplatform.mvp.client.proxy.PlaceManager;
import com.gwtplatform.mvp.client.proxy.PlaceRequest;
import com.gwtplatform.mvp.client.proxy.RevealContentEvent;
import com.gwtplatform.mvp.client.proxy.TabContentProxyPlace;
public class SubTabHostGeneralPresenter extends AbstractSubTabPresenter<VDS, HostListModel, HostGeneralModel, SubTabHostGeneralPresenter.ViewDef, SubTabHostGeneralPresenter.ProxyDef> {
@ProxyCodeSplit
@NameToken(ApplicationPlaces.hostGeneralSubTabPlace)
public interface ProxyDef extends TabContentProxyPlace<SubTabHostGeneralPresenter> {
// Nothing.
}
public interface ViewDef extends AbstractSubTabPresenter.ViewDef<VDS> {
/**
* Clear all the alerts currently displayed in the alerts panel
* of the host.
*/
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);
}
// We need this to get the text of the alert messages:
private ApplicationMessages messages;
@TabInfo(container = HostSubTabPanelPresenter.class)
static TabData getTabData(ClientGinjector ginjector) {
return new ModelBoundTabData(ginjector.getApplicationConstants().hostGeneralSubTabLabel(), 0,
ginjector.getSubTabHostGeneralModelProvider());
}
@Inject
public SubTabHostGeneralPresenter(
final EventBus eventBus,
final ViewDef view,
final ProxyDef proxy,
final PlaceManager placeManager,
final DetailModelProvider<HostListModel, HostGeneralModel> modelProvider)
{
// Call the parent constructor:
super(eventBus, view, proxy, placeManager, modelProvider);
// Inject a reference to the messages:
messages = ClientGinjectorProvider.instance().getApplicationMessages();
// Initialize the list of alerts:
final HostGeneralModel model = modelProvider.getModel();
updateAlerts(view, model);
// Listen for changes in the properties of the model in order
// to update the alerts panel:
model.getPropertyChangedEvent().addListener(
new IEventListener() {
public void eventRaised(Event ev, Object sender, EventArgs args) {
if (args instanceof PropertyChangedEventArgs) {
PropertyChangedEventArgs changedArgs = (PropertyChangedEventArgs) args;
if (changedArgs.PropertyName.contains("Alert")) {
updateAlerts(view, 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 HostGeneralModel model) {
// Clear all the alerts:
view.clearAlerts();
// Review the alerts and add those that are active:
if (model.getHasUpgradeAlert()) {
addTextAlert(view, messages.hostHasUpgradeAlert());
}
if (model.getHasReinstallAlertNonResponsive()) {
addTextAlert(view, messages.hostHasReinstallAlertNonResponsive());
}
if (model.getHasReinstallAlertInstallFailed()) {
addTextAndLinkAlert(view, messages.hostHasReinstallAlertInstallFailed(), model.getInstallCommand());
}
if (model.getHasReinstallAlertMaintenance()) {
addTextAndLinkAlert(view, messages.hostHasReinstallAlertMaintenance(), model.getInstallCommand());
}
if (model.getHasNICsAlert()) {
addTextAndLinkAlert(view, messages.hostHasNICsAlert(), model.getSaveNICsConfigCommand());
}
if (model.getHasManualFenceAlert()) {
addTextAlert(view, messages.hostHasManualFenceAlert());
}
if (model.getHasNoPowerManagementAlert()) {
addTextAndLinkAlert(view, messages.hostHasNoPowerManagementAlert(), model.getEditHostCommand());
}
if (model.getNonOperationalReasonEntity() != null) {
addTextAlert(view, model.getNonOperationalReasonEntity().toString());
}
}
/**
* Create a widget containing text and add it to the alerts panel of
* the host.
*
* @param view the view where the alert should be added
* @param text the text content of the alert
*/
private void addTextAlert(final ViewDef view, final String text) {
final Label label = new Label(text);
view.addAlert(label);
}
/**
* 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 command the command that should be executed when the link is
* clicked
*/
private void addTextAndLinkAlert(final ViewDef view, final String text, final UICommand command) {
// Find the open and close positions of the link within the message:
final int openIndex = text.indexOf("<a>");
final int closeIndex = text.indexOf("</a>");
if (openIndex == -1 || closeIndex == -1 || closeIndex < openIndex) {
return;
}
// Extract the text before, inside and after the tags:
final String beforeText = text.substring(0, openIndex);
final String betweenText = text.substring(openIndex + 3, closeIndex);
final String afterText = text.substring(closeIndex + 4);
// Create a flow panel containing the text and the link:
final FlowPanel alertPanel = new FlowPanel();
// Create the label for the text before the tag:
final Label beforeLabel = new Label(beforeText);
beforeLabel.getElement().getStyle().setProperty("display", "inline");
alertPanel.add(beforeLabel);
// Create the anchor:
final Anchor betweenAnchor = new Anchor(betweenText);
betweenAnchor.getElement().getStyle().setProperty("display", "inline");
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();
}
}
);
// Create the label for the text after the tag:
final Label afterLabel = new Label(afterText);
afterLabel.getElement().getStyle().setProperty("display", "inline");
alertPanel.add(afterLabel);
// Add the alert to the view:
view.addAlert(alertPanel);
}
@Override
protected void revealInParent() {
RevealContentEvent.fire(this, HostSubTabPanelPresenter.TYPE_SetTabContent, this);
}
@Override
protected PlaceRequest getMainTabRequest() {
return new PlaceRequest(ApplicationPlaces.hostMainTabPlace);
}
@ProxyEvent
public void onHostSelectionChange(HostSelectionChangeEvent event) {
updateMainTabSelection(event.getSelectedItems());
}
}