/*
* Copyright 2012 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.drools.workbench.client;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.inject.Inject;
import com.google.gwt.animation.client.Animation;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.RootPanel;
import org.drools.workbench.client.resources.i18n.AppConstants;
import org.guvnor.common.services.shared.config.AppConfigService;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.jboss.errai.ioc.client.api.AfterInitialization;
import org.jboss.errai.ioc.client.api.EntryPoint;
import org.jboss.errai.ioc.client.container.IOCBeanDef;
import org.jboss.errai.ioc.client.container.SyncBeanManager;
import org.kie.workbench.common.services.security.KieWorkbenchACL;
import org.kie.workbench.common.services.security.KieWorkbenchPolicy;
import org.kie.workbench.common.services.shared.preferences.ApplicationPreferences;
import org.kie.workbench.common.services.shared.security.KieWorkbenchSecurityService;
import org.uberfire.client.menu.CustomSplashHelp;
import org.uberfire.client.mvp.AbstractWorkbenchPerspectiveActivity;
import org.uberfire.client.mvp.ActivityManager;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.client.workbench.widgets.menu.WorkbenchMenuBarPresenter;
import org.uberfire.mvp.Command;
import org.uberfire.mvp.impl.DefaultPlaceRequest;
import org.uberfire.workbench.model.menu.MenuFactory;
import org.uberfire.workbench.model.menu.MenuItem;
import org.uberfire.workbench.model.menu.MenuPosition;
import org.uberfire.workbench.model.menu.Menus;
import static org.uberfire.workbench.model.menu.MenuFactory.*;
/**
* GWT's Entry-point for Drools Workbench
*/
@EntryPoint
public class DroolsWorkbenchEntryPoint {
@Inject
private Caller<AppConfigService> appConfigService;
@Inject
private WorkbenchMenuBarPresenter menubar;
@Inject
private PlaceManager placeManager;
@Inject
private SyncBeanManager iocManager;
@Inject
private ActivityManager activityManager;
@Inject
private KieWorkbenchACL kieACL;
@Inject
private Caller<KieWorkbenchSecurityService> kieSecurityService;
@AfterInitialization
public void startApp() {
kieSecurityService.call( new RemoteCallback<String>() {
public void callback( final String str ) {
KieWorkbenchPolicy policy = new KieWorkbenchPolicy( str );
kieACL.activatePolicy( policy );
loadPreferences();
setupMenu();
hideLoadingPopup();
}
} ).loadPolicy();
}
private void loadPreferences() {
appConfigService.call( new RemoteCallback<Map<String, String>>() {
@Override
public void callback( final Map<String, String> response ) {
ApplicationPreferences.setUp( response );
}
} ).loadPreferences();
}
private void setupMenu() {
final AbstractWorkbenchPerspectiveActivity defaultPerspective = getDefaultPerspectiveActivity();
final Menus menus = MenuFactory
.newTopLevelMenu( AppConstants.INSTANCE.Home() )
.respondsWith( new Command() {
@Override
public void execute() {
if ( defaultPerspective != null ) {
placeManager.goTo( new DefaultPlaceRequest( defaultPerspective.getIdentifier() ) );
} else {
Window.alert( "Default perspective not found." );
}
}
} )
.endMenu()
.newTopLevelMenu( AppConstants.INSTANCE.Perspectives() )
.withItems( getPerspectives() )
.endMenu()
.newTopLevelMenu( AppConstants.INSTANCE.Logout() )
.respondsWith( new Command() {
@Override
public void execute() {
redirect( GWT.getModuleBaseURL() + "uf_logout" );
}
} )
.endMenu()
.newTopLevelMenu( AppConstants.INSTANCE.Find() )
.position( MenuPosition.RIGHT )
.respondsWith( new Command() {
@Override
public void execute() {
placeManager.goTo( "FindForm" );
}
} )
.endMenu()
.newTopLevelCustomMenu( iocManager.lookupBean( CustomSplashHelp.class ).getInstance() )
.endMenu()
.build();
menubar.addMenus( menus );
}
private List<MenuItem> getPerspectives() {
final List<MenuItem> perspectives = new ArrayList<MenuItem>();
for ( final AbstractWorkbenchPerspectiveActivity perspective : getPerspectiveActivities() ) {
final String name = perspective.getPerspective().getName();
final Command cmd = new Command() {
@Override
public void execute() {
placeManager.goTo( new DefaultPlaceRequest( perspective.getIdentifier() ) );
}
};
final MenuItem item = newSimpleItem( name ).respondsWith( cmd ).endMenu().build().getItems().get( 0 );
perspectives.add( item );
}
return perspectives;
}
private AbstractWorkbenchPerspectiveActivity getDefaultPerspectiveActivity() {
AbstractWorkbenchPerspectiveActivity defaultPerspective = null;
final Collection<IOCBeanDef<AbstractWorkbenchPerspectiveActivity>> perspectives = iocManager.lookupBeans( AbstractWorkbenchPerspectiveActivity.class );
final Iterator<IOCBeanDef<AbstractWorkbenchPerspectiveActivity>> perspectivesIterator = perspectives.iterator();
outer_loop:
while ( perspectivesIterator.hasNext() ) {
final IOCBeanDef<AbstractWorkbenchPerspectiveActivity> perspective = perspectivesIterator.next();
final AbstractWorkbenchPerspectiveActivity instance = perspective.getInstance();
if ( instance.isDefault() ) {
defaultPerspective = instance;
break outer_loop;
} else {
iocManager.destroyBean( instance );
}
}
return defaultPerspective;
}
private List<AbstractWorkbenchPerspectiveActivity> getPerspectiveActivities() {
//Get Perspective Providers
final Set<AbstractWorkbenchPerspectiveActivity> activities = activityManager.getActivities( AbstractWorkbenchPerspectiveActivity.class );
//Sort Perspective Providers so they're always in the same sequence!
List<AbstractWorkbenchPerspectiveActivity> sortedActivities = new ArrayList<AbstractWorkbenchPerspectiveActivity>( activities );
Collections.sort( sortedActivities,
new Comparator<AbstractWorkbenchPerspectiveActivity>() {
@Override
public int compare( AbstractWorkbenchPerspectiveActivity o1,
AbstractWorkbenchPerspectiveActivity o2 ) {
return o1.getPerspective().getName().compareTo( o2.getPerspective().getName() );
}
} );
return sortedActivities;
}
//Fade out the "Loading application" pop-up
private void hideLoadingPopup() {
final Element e = RootPanel.get( "loading" ).getElement();
new Animation() {
@Override
protected void onUpdate( double progress ) {
e.getStyle().setOpacity( 1.0 - progress );
}
@Override
protected void onComplete() {
e.getStyle().setVisibility( Style.Visibility.HIDDEN );
}
}.run( 500 );
}
public static native void redirect( String url )/*-{
$wnd.location = url;
}-*/;
}