NewScoreCardXLSHandler.java

/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 
 *      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.screens.scorecardxls.client.handlers;

import java.util.List;
import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.IsWidget;
import org.drools.workbench.screens.scorecardxls.client.editor.URLHelper;
import org.drools.workbench.screens.scorecardxls.client.resources.ScoreCardXLSEditorResources;
import org.drools.workbench.screens.scorecardxls.client.resources.i18n.ScoreCardXLSEditorConstants;
import org.drools.workbench.screens.scorecardxls.client.type.ScoreCardXLSResourceType;
import org.guvnor.common.services.project.model.Package;
import org.jboss.errai.bus.client.api.ClientMessageBus;
import org.jboss.errai.bus.client.framework.ClientMessageBusImpl;
import org.kie.workbench.common.widgets.client.handlers.DefaultNewResourceHandler;
import org.kie.workbench.common.widgets.client.handlers.NewResourcePresenter;
import org.kie.workbench.common.widgets.client.handlers.NewResourceSuccessEvent;
import org.kie.workbench.common.widgets.client.widget.AttachmentFileWidget;
import org.uberfire.backend.vfs.Path;
import org.uberfire.backend.vfs.PathFactory;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.commons.data.Pair;
import org.uberfire.ext.widgets.common.client.common.BusyIndicatorView;
import org.uberfire.workbench.type.ResourceTypeDefinition;

/**
 * Handler for the creation of new DRL Text Rules
 */
@ApplicationScoped
public class NewScoreCardXLSHandler extends DefaultNewResourceHandler {

    private PlaceManager placeManager;
    private ScoreCardXLSResourceType resourceType;
    private BusyIndicatorView busyIndicatorView;
    private ClientMessageBus clientMessageBus;

    private AttachmentFileWidget uploadWidget;

    public NewScoreCardXLSHandler() {
    }

    @Inject
    public NewScoreCardXLSHandler( final PlaceManager placeManager,
                                   final ScoreCardXLSResourceType resourceType,
                                   final BusyIndicatorView busyIndicatorView,
                                   final ClientMessageBus clientMessageBus ) {
        this.placeManager = placeManager;
        this.resourceType = resourceType;
        this.busyIndicatorView = busyIndicatorView;
        this.clientMessageBus = clientMessageBus;
    }

    void setUploadWidget( final AttachmentFileWidget uploadWidget ) {
        this.uploadWidget = uploadWidget;
    }

    @PostConstruct
    private void setupExtensions() {
        uploadWidget = new AttachmentFileWidget( new String[]{ resourceType.getSuffix() } );
        extensions.add( new Pair<String, AttachmentFileWidget>( ScoreCardXLSEditorConstants.INSTANCE.Upload(),
                                                                uploadWidget ) );
    }

    @Override
    public List<Pair<String, ? extends IsWidget>> getExtensions() {
        uploadWidget.reset();
        return super.getExtensions();
    }

    @Override
    public String getDescription() {
        return ScoreCardXLSEditorConstants.INSTANCE.NewScoreCardDescription();
    }

    @Override
    public IsWidget getIcon() {
        return new Image( ScoreCardXLSEditorResources.INSTANCE.images().typeXLSScoreCard() );
    }

    @Override
    public ResourceTypeDefinition getResourceType() {
        return resourceType;
    }

    @Override
    public void create( final Package pkg,
                        final String baseFileName,
                        final NewResourcePresenter presenter ) {
        busyIndicatorView.showBusyIndicator( ScoreCardXLSEditorConstants.INSTANCE.Uploading() );

        final Path path = pkg.getPackageMainResourcesPath();
        final String fileName = buildFileName( baseFileName,
                                               resourceType );
        //Package Path is already encoded, fileName needs to be encoded
        final Path newPath = PathFactory.newPathBasedOn( fileName,
                                                         path.toURI() + "/" + encode( fileName ),
                                                         path );
        uploadWidget.submit( path,
                             fileName,
                             getServletUrl(),
                             new Command() {

                                 @Override
                                 public void execute() {
                                     busyIndicatorView.hideBusyIndicator();
                                     presenter.complete();
                                     notifySuccess();
                                     newResourceSuccessEvent.fire( new NewResourceSuccessEvent( path ) );
                                     placeManager.goTo( newPath );
                                 }

                             },
                             new Command() {

                                 @Override
                                 public void execute() {
                                     busyIndicatorView.hideBusyIndicator();
                                 }
                             }
                           );

    }

    protected String getServletUrl() {
        return URLHelper.getServletUrl( getClientId() );
    }

    protected String getClientId() {
        return clientMessageBus.getClientId();
    }

    protected String encode( final String fileName ) {
        return URL.encode( fileName );
    }

}