/*
* 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 com.google.gwt.user.client.ui.Widget;
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.edit.DataSetEditWorkflow;
import org.dashbuilder.client.widgets.dataset.event.CancelRequestEvent;
import org.dashbuilder.client.widgets.dataset.event.ErrorEvent;
import org.dashbuilder.client.widgets.dataset.event.TabChangedEvent;
import org.dashbuilder.client.widgets.dataset.event.TestDataSetRequestEvent;
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.backend.EditDataSetDef;
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.events.DataSetDefRemovedEvent;
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.ObservablePath;
import org.uberfire.backend.vfs.Path;
import org.uberfire.client.annotations.*;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.client.workbench.events.ChangeTitleWidgetEvent;
import org.uberfire.client.workbench.widgets.common.ErrorPopupPresenter;
import org.uberfire.ext.editor.commons.client.BaseEditor;
import org.uberfire.ext.editor.commons.client.file.popups.SavePopUpPresenter;
import org.uberfire.ext.editor.commons.service.support.SupportsCopy;
import org.uberfire.ext.editor.commons.service.support.SupportsDelete;
import org.uberfire.lifecycle.OnMayClose;
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 org.uberfire.workbench.model.menu.Menus;
import javax.enterprise.context.Dependent;
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;
import static org.uberfire.ext.editor.commons.client.menu.MenuItems.*;
import static org.uberfire.workbench.events.NotificationEvent.NotificationType.ERROR;
import static org.uberfire.workbench.events.NotificationEvent.NotificationType.SUCCESS;
@Dependent
@WorkbenchEditor(identifier = "DataSetDefEditor", supportedTypes = {DataSetDefType.class}, priority = Integer.MAX_VALUE)
public class DataSetDefEditorPresenter extends BaseEditor {
@Inject
SyncBeanManager beanManager;
@Inject
DataSetEditorWorkflowFactory workflowFactory;
@Inject
Caller<DataSetDefVfsServices> services;
@Inject
PlaceManager placeManager;
@Inject
DataSetDefType resourceType;
@Inject
ErrorPopupPresenter errorPopupPresenter;
@Inject
SavePopUpPresenter savePopUpPresenter;
@Inject
public DataSetDefScreenView view;
DataSetEditWorkflow workflow;
@OnStartup
public void onStartup(final ObservablePath path, final PlaceRequest place) {
super.baseView = view;
init(path,
place,
resourceType,
true,
false,
VALIDATE,
SAVE,
COPY,
DELETE);
}
@WorkbenchPartTitleDecoration
public IsWidget getTitle() {
return super.getTitle();
}
@WorkbenchPartTitle
public String getTitleText() {
return buildTitle();
}
protected String buildTitle() {
if (getDataSetDef() == null) {
return DataSetAuthoringConstants.INSTANCE.editorTitleGeneric();
} else {
String type = getDataSetDef().getProvider().getName();
return DataSetAuthoringConstants.INSTANCE.editorTitle(getDataSetDef().getName(), type);
}
}
@WorkbenchMenu
public Menus getMenus() {
return menus;
}
@WorkbenchPartView
public Widget getWidget() {
return view.asWidget();
}
@OnMayClose
public boolean onMayClose() {
return super.mayClose(getCurrentModelHash());
}
@Override
protected void loadContent() {
try {
services.call(loadCallback, errorCallback).load(versionRecordManager.getCurrentPath());
} catch (final Exception e) {
// Edit only the definition, so user can fix the wrong attributes, if any.
loadDefinition();
}
}
private void loadDefinition() {
services.call(getDefinitionCallback, getDefinitionErrorCallback).get(versionRecordManager.getCurrentPath());
}
public DataSetDef getDataSetDef() {
return workflow != null ? workflow.getDataSetDef() : null;
}
private void testDataSet() {
assert workflow != null;
workflow.testDataSet(new DataSetEditorWorkflow.TestDataSetCallback() {
@Override
public void onSuccess(final DataSet dataSet) {
edit(dataSet);
}
@Override
public void onError(final ClientRuntimeError error) {
showError(error);
}
});
}
private void edit(final DataSetDef dataSetDef, final List<DataColumnDef> columnDefs) {
final DataSetProviderType type = dataSetDef.getProvider() != null ? dataSetDef.getProvider() : null;
workflow = workflowFactory.edit(type);
view.setWidget(workflow);
workflow.edit(dataSetDef, columnDefs).showPreviewTab();
}
private void edit(final DataSet dataset) {
if (dataset != null) {
final DataSetDef dataSetDef = workflow.getDataSetDef();
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()));
}
edit(dataSetDef, columnDefs);
} else {
showError("Data set has no columns");
}
} else {
showError("Data set is empty.");
}
}
@Override
protected Command onValidate() {
return new Command() {
@Override
public void execute() {
workflow.flush();
if (!workflow.hasErrors()) {
notification.fire(new NotificationEvent(DataSetAuthoringConstants.INSTANCE.validationOk(), SUCCESS));
} else {
notification.fire(new NotificationEvent(DataSetAuthoringConstants.INSTANCE.validationFailed(), ERROR));
}
}
};
}
@Override
protected void save() {
workflow.flush();
if (!workflow.hasErrors()) {
savePopUpPresenter.show(versionRecordManager.getCurrentPath(),
new ParameterizedCommand<String>() {
@Override public void execute(final String commitMessage) {
final DataSetDef def = getDataSetDef();
services.call(new RemoteCallback<Path>() {
@Override
public void callback(final Path path) {
DataSetDefEditorPresenter.this.getSaveSuccessCallback(getCurrentModelHash()).callback(path);
placeManager.closePlace(DataSetDefEditorPresenter.this.place);
}
}, errorCallback)
.save(def, commitMessage);
}
}
);
concurrentUpdateSessionInfo = null;
}
}
public int getCurrentModelHash() {
if (getDataSetDef() == null) return 0;
return getDataSetDef().getUUID().hashCode();
}
RemoteCallback<DataSetDef> getDefinitionCallback = new RemoteCallback<DataSetDef>() {
public void callback(final DataSetDef result) {
load(result, result != null ? result.getColumns() : null);
}
};
RemoteCallback<EditDataSetDef> loadCallback = new RemoteCallback<EditDataSetDef>() {
public void callback(final EditDataSetDef result) {
load(result != null ? result.getDefinition() : null,
result != null ? result.getColumns(): null);
}
};
ErrorCallback<Message> errorCallback = new ErrorCallback<Message>() {
@Override
public boolean error(Message message, Throwable throwable) {
// Edit only the definition, so user can fix the wrong attributes, if any.
loadDefinition();
return false;
}
};
ErrorCallback<Message> getDefinitionErrorCallback = new ErrorCallback<Message>() {
@Override
public boolean error(Message message, Throwable throwable) {
view.hideBusyIndicator();
showError(new ClientRuntimeError(throwable));
return false;
}
};
protected void load(final DataSetDef dataSetDef, List<DataColumnDef> columns) {
if (dataSetDef == null) {
view.hideBusyIndicator();
showError(DataSetAuthoringConstants.INSTANCE.dataSetNotFound());
} else {
changeTitleNotification.fire(new ChangeTitleWidgetEvent(place, buildTitle()));
view.hideBusyIndicator();
edit(dataSetDef, columns);
}
}
protected Caller<? extends SupportsDelete> getDeleteServiceCaller() {
return services;
}
protected Caller<? extends SupportsCopy> getCopyServiceCaller() {
return services;
}
private void onDataSetDefRemovedEvent(@Observes DataSetDefRemovedEvent event) {
placeManager.closePlace(place);
}
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(workflow)) {
if (!workflow.hasErrors()) {
testDataSet();
}
}
}
void onCancelEvent(@Observes CancelRequestEvent cancelEvent) {
checkNotNull("cancelEvent", cancelEvent);
if (cancelEvent.getContext().equals(workflow)) {
workflow.clear();
}
}
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);
if (tabChangedEvent.getContext().equals(workflow.getEditor())) {
workflow.clearButtons();
String tabId = tabChangedEvent.getTabId();
if (tabId != null && DataSetEditor.TAB_CONFIGURATION.equals(tabId)) {
workflow.showTestButton();
}
}
}
}