/*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.console.client.shared.state;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.user.client.History;
import com.google.web.bindery.event.shared.EventBus;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.View;
import com.gwtplatform.mvp.client.proxy.PlaceManager;
import com.gwtplatform.mvp.client.proxy.Proxy;
import com.gwtplatform.mvp.shared.proxy.PlaceRequest;
import org.jboss.as.console.client.Console;
import org.jboss.as.console.client.core.Header;
import org.jboss.as.console.client.rbac.UnauthorisedPresenter;
import org.jboss.as.console.client.rbac.UnauthorizedEvent;
import org.jboss.as.console.client.shared.model.SelectPerspective;
import org.jboss.ballroom.client.layout.LHSHighlightEvent;
import org.jboss.gwt.circuit.Dispatcher;
import java.util.List;
/**
* Base class for top level presenters like "Configuration", "Server Health" or "Administration". Meets two tasks:
* <ol>
* <li>Provides navigation logic to forward to the default place for the perspective or by showing the last known
* place.</li>
* <li>Handles the {@link org.jboss.as.console.client.rbac.UnauthorizedEvent}</li> and shows the {@link
* org.jboss.as.console.client.rbac.UnauthorisedPresenter} in the content slot provided as constructor parameter
* </ol>
*
* @author Harald Pehl
*/
public abstract class PerspectivePresenter<V extends View, Proxy_ extends Proxy<?>> extends Presenter<V, Proxy_>
implements UnauthorizedEvent.UnauthorizedHandler {
private final PlaceManager placeManager;
private final Header header;
private final String token;
private final UnauthorisedPresenter unauthorisedPresenter;
private final Object contentSlot;
private final Dispatcher circuit;
private PlaceRequest lastPlace;
private boolean hasBeenRevealed;
public PerspectivePresenter(final EventBus eventBus, final V view, final Proxy_ proxy,
final PlaceManager placeManager, final Header header, final String token,
final UnauthorisedPresenter unauthorisedPresenter, Object contentSlot) {
super(eventBus, view, proxy);
this.placeManager = placeManager;
this.header = header;
this.token = token;
this.unauthorisedPresenter = unauthorisedPresenter;
this.contentSlot = contentSlot;
this.circuit = Console.MODULES.getCircuitDispatcher();
}
@Override
protected void onBind() {
super.onBind();
getEventBus().addHandler(UnauthorizedEvent.TYPE, this);
}
@Override
protected void onReset() {
super.onReset();
header.highlight(token);
PlaceRequest requestedPlace = placeManager.getCurrentPlaceRequest();
boolean isChildRequest = !token.equals(requestedPlace.getNameToken());
if (isChildRequest) {
// remember for the next time
lastPlace = requestedPlace;
circuit.dispatch(new SelectPerspective(token, lastPlace.getNameToken()));
}
else if (lastPlace != null) {
// highlight navigation
Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {
@Override
public void execute() {
getEventBus().fireEventFromSource(new LHSHighlightEvent(lastPlace.getNameToken()), this);
}
});
return;
}
if (!hasBeenRevealed) {
hasBeenRevealed = true;
onFirstReveal(requestedPlace, placeManager, !isChildRequest);
}
}
/**
* prepare the initial perspective. most often this does at least navigate to a default place.
*/
abstract protected void onFirstReveal(final PlaceRequest placeRequest, PlaceManager placeManager, boolean revealDefault);
/**
* Sets the {@link org.jboss.as.console.client.rbac.UnauthorisedPresenter} in the content slot given as constructor
* parameter.
*/
@Override
public void onUnauthorized(final UnauthorizedEvent event) {
// resetLastPlace();
setInSlot(contentSlot, unauthorisedPresenter);
}
/**
* Clears the last place and resets the "has-been-revealed" status to false. Thus the next time
* onFirstReveal() will be called again.
*/
protected void resetLastPlace() {
hasBeenRevealed = false;
lastPlace = null;
}
public PlaceRequest getLastPlace() {
return lastPlace;
}
}