package org.ovirt.engine.ui.webadmin.section.main.presenter.tab.host;
import java.util.Arrays;
import org.ovirt.engine.core.common.VdcActionUtils;
import org.ovirt.engine.core.common.action.VdcActionType;
import org.ovirt.engine.core.common.businessentities.VDS;
import org.ovirt.engine.core.common.mode.ApplicationMode;
import org.ovirt.engine.ui.common.presenter.AbstractSubTabPresenter;
import org.ovirt.engine.ui.common.uicommon.model.DetailModelProvider;
import org.ovirt.engine.ui.common.widget.tab.ModelBoundTabData;
import org.ovirt.engine.ui.uicommonweb.UICommand;
import org.ovirt.engine.ui.uicommonweb.models.ApplicationModeHelper;
import org.ovirt.engine.ui.uicommonweb.models.hosts.HostGeneralModel;
import org.ovirt.engine.ui.uicommonweb.models.hosts.HostListModel;
import org.ovirt.engine.ui.uicommonweb.place.WebAdminApplicationPlaces;
import org.ovirt.engine.ui.uicompat.EnumTranslator;
import org.ovirt.engine.ui.webadmin.ApplicationConstants;
import org.ovirt.engine.ui.webadmin.ApplicationMessages;
import org.ovirt.engine.ui.webadmin.gin.AssetProvider;
import org.ovirt.engine.ui.webadmin.widget.alert.InLineAlertWidget.AlertType;
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.TabInfo;
import com.gwtplatform.mvp.client.proxy.PlaceManager;
import com.gwtplatform.mvp.client.proxy.TabContentProxyPlace;
public class SubTabHostGeneralInfoPresenter
extends AbstractSubTabHostPresenter<HostGeneralModel, SubTabHostGeneralInfoPresenter.ViewDef,
SubTabHostGeneralInfoPresenter.ProxyDef> {
private static final ApplicationConstants constants = AssetProvider.getConstants();
private static final ApplicationMessages messages = AssetProvider.getMessages();
@ProxyCodeSplit
@NameToken(WebAdminApplicationPlaces.hostGeneralInfoSubTabPlace)
public interface ProxyDef extends TabContentProxyPlace<SubTabHostGeneralInfoPresenter> {
}
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);
/**
* 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
* @param type
* the type of the alert
*/
void addAlert(Widget widget, AlertType type);
}
@TabInfo(container = HostGeneralSubTabPanelPresenter.class)
static TabData getTabData(
DetailModelProvider<HostListModel<Void>, HostGeneralModel> modelProvider) {
return new ModelBoundTabData(constants.hostGeneralInfoSubTabLabel(), 0, modelProvider);
}
@Inject
public SubTabHostGeneralInfoPresenter(EventBus eventBus, ViewDef view, ProxyDef proxy,
PlaceManager placeManager, HostMainTabSelectedItems selectedItems,
DetailModelProvider<HostListModel<Void>, HostGeneralModel> modelProvider) {
super(eventBus, view, proxy, placeManager, modelProvider, selectedItems,
HostGeneralSubTabPanelPresenter.TYPE_SetTabContent);
}
@Override
public void initializeHandlers() {
super.initializeHandlers();
// Initialize the list of alerts:
final HostGeneralModel 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((ev, sender, args) -> {
if (args.propertyName.contains("Alert")) { //$NON-NLS-1$
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 HostGeneralModel model) {
// Clear all the alerts:
view.clearAlerts();
// Review the alerts and add those that are active:
if (model.getHasUpgradeAlert()) {
if (VdcActionUtils.canExecute(Arrays.asList(model.getEntity()), VDS.class, VdcActionType.UpgradeHost)) {
addTextAndLinkAlert(view,
messages.hostInSupportedStatusHasUpgradeAlert(),
model.getUpgradeHostCommand(),
AlertType.UPDATE_AVAILABLE);
} else {
addTextAlert(view, messages.hostHasUpgradeAlert(), AlertType.UPDATE_AVAILABLE);
}
}
if (model.getHasReinstallAlertNonResponsive()) {
addTextAlert(view, messages.hostHasReinstallAlertNonResponsive());
}
if (model.getHasNICsAlert()) {
addTextAndLinkAlert(view, messages.hostHasNICsAlert(), model.getSaveNICsConfigCommand());
}
if (model.getHasManualFenceAlert()) {
addTextAlert(view, messages.hostHasManualFenceAlert());
}
if (ApplicationModeHelper.getUiMode() != ApplicationMode.GlusterOnly && model.getHasNoPowerManagementAlert()) {
addTextAndLinkAlert(view, messages.hostHasNoPowerManagementAlert(), model.getEditHostCommand());
}
if (model.getNonOperationalReasonEntity() != null) {
addTextAlert(view, EnumTranslator.getInstance().translate(model.getNonOperationalReasonEntity()));
}
if (model.getHasGlusterDisconnectedAlert()) {
addTextAndLinkAlert(view, messages.hostGlusterDisconnectedAlert(), model.getRestartGlusterCommand());
}
}
private void addTextAlert(final ViewDef view, final String text, AlertType type) {
final Label label = new Label(text);
view.addAlert(label, type);
}
/**
* 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) {
addTextAlert(view, text, AlertType.ALERT);
}
/**
* 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
* @param alertType
* the type of the alert
*/
private void addTextAndLinkAlert(final ViewDef view,
final String text,
final UICommand command,
final AlertType alertType) {
// Find the open and close positions of the link within the message:
final int openIndex = text.indexOf("<a>"); //$NON-NLS-1$
final int closeIndex = text.indexOf("</a>"); //$NON-NLS-1$
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"); //$NON-NLS-1$ //$NON-NLS-2$
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(event -> command.execute());
// 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);
// Add the alert to the view:
view.addAlert(alertPanel, alertType);
}
private void addTextAndLinkAlert(final ViewDef view, final String text, final UICommand command) {
addTextAndLinkAlert(view, text, command, AlertType.ALERT);
}
}