/*
* 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.
* 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.dashbuilder.dataset.editor.client.screens;
import com.google.gwt.user.client.ui.IsWidget;
import org.dashbuilder.client.widgets.dataset.editor.DataSetEditor;
import org.dashbuilder.client.widgets.dataset.editor.workflow.DataSetEditorWorkflow;
import org.dashbuilder.client.widgets.dataset.editor.workflow.DataSetEditorWorkflowFactory;
import org.dashbuilder.client.widgets.dataset.editor.workflow.create.DataSetBasicAttributesWorkflow;
import org.dashbuilder.client.widgets.dataset.editor.workflow.create.DataSetProviderTypeWorkflow;
import org.dashbuilder.client.widgets.dataset.editor.workflow.edit.DataSetEditWorkflow;
import org.dashbuilder.client.widgets.dataset.event.*;
import org.dashbuilder.common.client.error.ClientRuntimeError;
import org.dashbuilder.dataprovider.DataSetProviderType;
import org.dashbuilder.dataset.DataColumn;
import org.dashbuilder.dataset.DataSet;
import org.dashbuilder.dataset.client.DataSetClientServices;
import org.dashbuilder.dataset.def.DataColumnDef;
import org.dashbuilder.dataset.def.DataSetDef;
import org.dashbuilder.dataset.editor.client.resources.i18n.DataSetAuthoringConstants;
import org.dashbuilder.dataset.service.DataSetDefVfsServices;
import org.jboss.errai.bus.client.api.messaging.Message;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.ErrorCallback;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.jboss.errai.ioc.client.container.SyncBeanManager;
import org.uberfire.backend.vfs.Path;
import org.uberfire.client.annotations.WorkbenchPartTitle;
import org.uberfire.client.annotations.WorkbenchPartView;
import org.uberfire.client.annotations.WorkbenchScreen;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.client.workbench.widgets.common.ErrorPopupPresenter;
import org.uberfire.ext.editor.commons.client.file.popups.SavePopUpPresenter;
import org.uberfire.ext.widgets.common.client.common.BusyPopup;
import org.uberfire.lifecycle.OnStartup;
import org.uberfire.mvp.Command;
import org.uberfire.mvp.ParameterizedCommand;
import org.uberfire.mvp.PlaceRequest;
import org.uberfire.workbench.events.NotificationEvent;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;
import static org.uberfire.commons.validation.PortablePreconditions.checkNotNull;
@WorkbenchScreen(identifier = "DataSetDefWizard")
@Dependent
public class DataSetDefWizardScreen {
SyncBeanManager beanManager;
DataSetEditorWorkflowFactory workflowFactory;
Caller<DataSetDefVfsServices> services;
DataSetClientServices clientServices;
Event<NotificationEvent> notification;
PlaceManager placeManager;
ErrorPopupPresenter errorPopupPresenter;
public DataSetDefScreenView view;
PlaceRequest placeRequest;
Command nextCommand;
DataSetEditorWorkflow currentWorkflow;
SavePopUpPresenter savePopUpPresenter;
@Inject
public DataSetDefWizardScreen( final SyncBeanManager beanManager,
final DataSetEditorWorkflowFactory workflowFactory,
final Caller<DataSetDefVfsServices> services,
final DataSetClientServices clientServices,
final Event<NotificationEvent> notification,
final PlaceManager placeManager,
final ErrorPopupPresenter errorPopupPresenter,
final SavePopUpPresenter savePopUpPresenter,
final DataSetDefScreenView view ) {
this.beanManager = beanManager;
this.workflowFactory = workflowFactory;
this.services = services;
this.clientServices = clientServices;
this.notification = notification;
this.placeManager = placeManager;
this.errorPopupPresenter = errorPopupPresenter;
this.savePopUpPresenter = savePopUpPresenter;
this.view = view;
}
@WorkbenchPartTitle
public String getTitle() {
return DataSetAuthoringConstants.INSTANCE.creationWizardTitle();
}
@WorkbenchPartView
public IsWidget getView() {
return view;
}
@OnStartup
public void init(PlaceRequest placeRequest) {
this.placeRequest = placeRequest;
providerTypeEdition();
}
private void providerTypeEdition() {
final DataSetDef dataSetDef = new DataSetDef();
final DataSetProviderTypeWorkflow providerTypeWorkflow = workflowFactory.providerType();
this.nextCommand = new Command() {
@Override
public void execute() {
onProviderTypeSelected(providerTypeWorkflow);
}
};
// First step, provider type selection.
setCurrentWorkflow(providerTypeWorkflow);
providerTypeWorkflow.edit(dataSetDef).providerTypeEdition().showNextButton();
}
void onProviderTypeSelected(final DataSetProviderTypeWorkflow providerTypeWorkflow) {
final DataSetProviderType selectedProviderType = providerTypeWorkflow.getProviderType();
try {
clientServices.newDataSet(selectedProviderType, new RemoteCallback<DataSetDef>() {
@Override
public void callback(final DataSetDef typedDataSetDef) {
basicAttributesEdition(typedDataSetDef);
}
});
} catch (final Exception e) {
showError(e.getCause() != null ? e.getCause().getMessage() : e.getMessage());
}
}
private void setCurrentWorkflow(final DataSetEditorWorkflow w) {
this.currentWorkflow = w;
view.setWidget(w);
}
private void basicAttributesEdition(final DataSetDef typedDataSetDef) {
final DataSetProviderType type = typedDataSetDef.getProvider() != null ? typedDataSetDef.getProvider() : null;
final DataSetBasicAttributesWorkflow basicAttributesWorkflow = workflowFactory.basicAttributes(type);
setCurrentWorkflow(basicAttributesWorkflow);
basicAttributesWorkflow.edit(typedDataSetDef).basicAttributesEdition().showBackButton().showTestButton();
}
private void testDataSet() {
assert currentWorkflow != null;
currentWorkflow.testDataSet(new DataSetEditorWorkflow.TestDataSetCallback() {
@Override
public void onSuccess(final DataSet dataSet) {
completeEdition(currentWorkflow.getDataSetDef(), dataSet);
}
@Override
public void onError(final ClientRuntimeError error) {
showError(error);
}
});
}
public void completeEdition(final DataSetDef dataSetDef, final DataSet dataset) {
if (dataset != null) {
this.nextCommand = saveCommand;
List<DataColumn> columns = dataset.getColumns();
if (columns != null && !columns.isEmpty()) {
// Obtain all data columns available from the resulting data set.
List<DataColumnDef> columnDefs = new ArrayList<DataColumnDef>(columns.size());
for (final DataColumn column : columns) {
columnDefs.add(new DataColumnDef(column.getId(), column.getColumnType()));
}
// Delegate edition to the dataSetEditWorkflow.
final DataSetProviderType type = dataSetDef.getProvider() != null ? dataSetDef.getProvider() : null;
final DataSetEditWorkflow editWorkflow = workflowFactory.edit(type);
setCurrentWorkflow(editWorkflow);
editWorkflow.edit(dataSetDef, columnDefs)
.showPreviewTab()
.showBackButton()
.showNextButton();
} else {
showError("Data set has no columns");
}
} else {
showError("Data set is empty.");
}
}
final Command saveCommand = new Command() {
@Override
public void execute() {
save();
}
};
protected void save() {
final DataSetDef dataSetDef = currentWorkflow.getDataSetDef();
savePopUpPresenter.show(new ParameterizedCommand<String>() {
@Override public void execute(final String message) {
onSave(dataSetDef, message);
}
});
}
void onSave(final DataSetDef dataSetDef, final String message) {
BusyPopup.showMessage(DataSetAuthoringConstants.INSTANCE.saving());
services.call(saveSuccessCallback, errorCallback)
.save(dataSetDef, message);
placeManager.goTo("DataSetAuthoringHome");
}
RemoteCallback<Path> saveSuccessCallback = new RemoteCallback<Path>() {
@Override public void callback(Path path) {
BusyPopup.close();
notification.fire(new NotificationEvent(DataSetAuthoringConstants.INSTANCE.savedOk()));
placeManager.closePlace(placeRequest);
currentWorkflow.clear();
}
};
ErrorCallback<Message> errorCallback = new ErrorCallback<Message>() {
@Override public boolean error(Message message, Throwable throwable) {
BusyPopup.close();
showError(new ClientRuntimeError(throwable));
return false;
}
};
void showError(final ClientRuntimeError error) {
final String message = error.getCause() != null ? error.getCause() : error.getMessage();
showError(message);
}
void showError(final String message) {
errorPopupPresenter.showMessage(message);
}
/*************************************************************
** CDI EVENT HANDLING METHODS **
*************************************************************/
void onTestEvent(@Observes TestDataSetRequestEvent testDataSetRequestEvent) {
checkNotNull("testDataSetRequestEvent", testDataSetRequestEvent);
if (testDataSetRequestEvent.getContext().equals(currentWorkflow)) {
if (!currentWorkflow.hasErrors()) {
testDataSet();
}
}
}
void onSaveEvent(@Observes SaveRequestEvent saveEvent) {
checkNotNull("saveEvent", saveEvent);
if (saveEvent.getContext().equals(currentWorkflow)) {
if (this.nextCommand != null && !currentWorkflow.hasErrors()) {
this.nextCommand.execute();
}
}
}
void onCancelEvent(@Observes CancelRequestEvent cancelEvent) {
checkNotNull("cancelEvent", cancelEvent);
if (cancelEvent.getContext().equals(currentWorkflow)) {
providerTypeEdition();
}
}
void onErrorEvent(@Observes ErrorEvent errorEvent) {
checkNotNull("errorEvent", errorEvent);
if (errorEvent.getClientRuntimeError() != null) {
showError(errorEvent.getClientRuntimeError());
} else if (errorEvent.getMessage() != null) {
showError(errorEvent.getMessage());
}
}
void onTabChangedEvent(@Observes TabChangedEvent tabChangedEvent) {
checkNotNull("tabChangedEvent", tabChangedEvent);
try {
// This event should only be fired when worklow is an instance of the DataSetEditWorkflow, as it uses the main tabbed editor.
if (tabChangedEvent.getContext().equals( ( (DataSetEditWorkflow) currentWorkflow).getEditor() )) {
currentWorkflow.clearButtons();
String tabId = tabChangedEvent.getTabId();
if (tabId != null && DataSetEditor.TAB_CONFIGURATION.equals(tabId)) {
currentWorkflow.showTestButton();
} else {
currentWorkflow.showBackButton().showNextButton();
}
}
} catch (final ClassCastException e) {
// Skip event.
}
}
}