/*******************************************************************************
* Copyright (c) 2012-2015 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.client;
import org.eclipse.che.api.factory.dto.Action;
import org.eclipse.che.ide.api.action.ActionManager;
import org.eclipse.che.ide.api.action.AppCloseActionEvent;
import org.eclipse.che.ide.api.action.Presentation;
import org.eclipse.che.ide.api.event.WindowActionEvent;
import org.eclipse.che.ide.api.event.WindowActionHandler;
import org.eclipse.che.ide.toolbar.PresentationFactory;
import com.google.web.bindery.event.shared.EventBus;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;
/**
* Handler that performs actions before closing of application
*
* @author Sergii Leschenko
*/
public class AppCloseHandler {
private final ActionManager actionManager;
private List<Action> actions = new ArrayList<>();
@Inject
public AppCloseHandler(ActionManager actionManager, EventBus eventBus) {
this.actionManager = actionManager;
eventBus.addHandler(WindowActionEvent.TYPE, new WindowActionHandler() {
@Override
public void onWindowClosing(final WindowActionEvent event) {
String message = performActions();
if (message != null) {
event.setMessage(message);
}
}
@Override
public void onWindowClosed(WindowActionEvent event) {
}
});
}
/**
* Register actions for perform before closing of application
*/
public void performBeforeClose(List<Action> actions) {
this.actions.addAll(actions);
}
/**
* Performs registered action
*
* @return null if all action is successfully performed
* or string with message if some action sent cancel closing of application.
*/
private String performActions() {
String cancelMessage = null;
for (Action action : actions) {
org.eclipse.che.ide.api.action.Action ideAction = actionManager.getAction(action.getId());
if (ideAction == null) {
continue;
}
Presentation presentation = new PresentationFactory().getPresentation(ideAction);
AppCloseActionEvent e = new AppCloseActionEvent("", presentation, actionManager, 0, action.getProperties());
ideAction.update(e);
if (!presentation.isEnabled() || !presentation.isVisible()) {
continue;
}
ideAction.actionPerformed(e);
if (e.getCancelMessage() != null) {
cancelMessage = e.getCancelMessage();
}
}
return cancelMessage;
}
}