AbstractProjectDiagramNewResourceHandler.java

/*
 * Copyright 2016 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.
 * 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.kie.workbench.common.stunner.project.client.handlers;

import java.util.logging.Level;
import java.util.logging.Logger;

import com.google.gwt.logging.client.LogConfiguration;
import org.guvnor.common.services.project.model.Package;
import org.kie.workbench.common.stunner.core.api.DefinitionManager;
import org.kie.workbench.common.stunner.core.client.service.ClientRuntimeError;
import org.kie.workbench.common.stunner.core.client.service.ServiceCallback;
import org.kie.workbench.common.stunner.project.client.service.ClientProjectDiagramService;
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.uberfire.backend.vfs.Path;
import org.uberfire.client.workbench.type.ClientResourceType;
import org.uberfire.ext.widgets.common.client.common.BusyIndicatorView;
import org.uberfire.ext.widgets.common.client.common.popups.errors.ErrorPopup;
import org.uberfire.mvp.PlaceRequest;
import org.uberfire.mvp.impl.PathPlaceRequest;
import org.uberfire.workbench.type.ResourceTypeDefinition;

public abstract class AbstractProjectDiagramNewResourceHandler<R extends ClientResourceType> extends DefaultNewResourceHandler {

    private static Logger LOGGER = Logger.getLogger(AbstractProjectDiagramNewResourceHandler.class.getName());

    private final DefinitionManager definitionManager;
    private final ClientProjectDiagramService projectDiagramServices;
    private final BusyIndicatorView indicatorView;
    private final R projectDiagramResourceType;

    public AbstractProjectDiagramNewResourceHandler(final DefinitionManager definitionManager,
                                                    final ClientProjectDiagramService projectDiagramServices,
                                                    final BusyIndicatorView indicatorView,
                                                    final R projectDiagramResourceType) {
        this.definitionManager = definitionManager;
        this.projectDiagramServices = projectDiagramServices;
        this.indicatorView = indicatorView;
        this.projectDiagramResourceType = projectDiagramResourceType;
    }

    protected abstract Class<?> getDefinitionSetType();

    protected abstract String getEditorIdentifier();

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

    @Override
    public void create(final Package pkg,
                       final String name,
                       final NewResourcePresenter presenter) {
        indicatorView.showBusyIndicator("Loading...");
        final Path path = pkg.getPackageMainResourcesPath();
        final Class<?> type = getDefinitionSetType();
        final String setId = getId(type);
        final String projPkg = pkg.getPackageName();
        final String projName = pkg.getProjectRootPath().getFileName();
        projectDiagramServices.create(path,
                                      name,
                                      setId,
                                      projName,
                                      projPkg,
                                      new ServiceCallback<Path>() {
                                          @Override
                                          public void onSuccess(final Path path) {
                                              indicatorView.hideBusyIndicator();
                                              presenter.complete();
                                              notifySuccess();
                                              newResourceSuccessEvent.fire(new NewResourceSuccessEvent(path));
                                              PlaceRequest place = new PathPlaceRequest(path,
                                                                                        getEditorIdentifier());
                                              placeManager.goTo(place);
                                          }

                                          @Override
                                          public void onError(final ClientRuntimeError error) {
                                              showError(error);
                                          }
                                      });
    }

    private String getId(final Class<?> type) {
        final Object set = definitionManager.definitionSets().getDefinitionSetByType(type);
        return definitionManager.adapters().forDefinitionSet().getId(set);
    }

    private void showError(final ClientRuntimeError error) {
        final String msg = error.toString();
        log(Level.SEVERE,
            msg);
        ErrorPopup.showMessage(msg);
        indicatorView.hideBusyIndicator();
    }

    private void log(final Level level,
                     final String message) {
        if (LogConfiguration.loggingIsEnabled()) {
            LOGGER.log(level,
                       message);
        }
    }
}