/*
* 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.screens.factmodel.client.editor;
import java.util.List;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.New;
import javax.inject.Inject;
import com.google.gwt.user.client.ui.IsWidget;
import org.drools.workbench.screens.factmodel.client.type.FactModelResourceType;
import org.drools.workbench.screens.factmodel.model.FactMetaModel;
import org.drools.workbench.screens.factmodel.model.FactModelContent;
import org.drools.workbench.screens.factmodel.model.FactModels;
import org.drools.workbench.screens.factmodel.service.FactModelService;
import org.guvnor.common.services.shared.metadata.MetadataService;
import org.guvnor.common.services.shared.version.events.RestoreEvent;
import org.jboss.errai.bus.client.api.RemoteCallback;
import org.jboss.errai.ioc.client.api.Caller;
import org.kie.workbench.common.services.datamodel.oracle.PackageDataModelOracle;
import org.kie.workbench.common.widgets.client.callbacks.HasBusyIndicatorDefaultErrorCallback;
import org.kie.workbench.common.widgets.client.menu.FileMenuBuilder;
import org.kie.workbench.common.widgets.client.popups.file.CommandWithCommitMessage;
import org.kie.workbench.common.widgets.client.popups.file.SaveOperationService;
import org.kie.workbench.common.widgets.client.resources.i18n.CommonConstants;
import org.kie.workbench.common.widgets.configresource.client.widget.bound.ImportsWidgetPresenter;
import org.kie.workbench.common.widgets.metadata.client.callbacks.MetadataSuccessCallback;
import org.kie.workbench.common.widgets.metadata.client.widget.MetadataWidget;
import org.kie.workbench.common.widgets.viewsource.client.callbacks.ViewSourceSuccessCallback;
import org.kie.workbench.common.widgets.viewsource.client.screen.ViewSourceView;
import org.uberfire.backend.vfs.Path;
import org.uberfire.client.annotations.IsDirty;
import org.uberfire.client.annotations.OnClose;
import org.uberfire.client.annotations.OnMayClose;
import org.uberfire.client.annotations.OnSave;
import org.uberfire.client.annotations.OnStart;
import org.uberfire.client.annotations.WorkbenchEditor;
import org.uberfire.client.annotations.WorkbenchMenu;
import org.uberfire.client.annotations.WorkbenchPartTitle;
import org.uberfire.client.annotations.WorkbenchPartView;
import org.uberfire.client.common.MultiPageEditor;
import org.uberfire.client.common.Page;
import org.uberfire.client.mvp.PlaceManager;
import org.uberfire.mvp.Command;
import org.uberfire.mvp.PlaceRequest;
import org.uberfire.workbench.events.NotificationEvent;
import org.uberfire.workbench.model.menu.Menus;
@Dependent
@WorkbenchEditor(identifier = "FactModelsEditor", supportedTypes = { FactModelResourceType.class }, priority = 100)
public class FactModelsEditorPresenter {
@Inject
private ImportsWidgetPresenter importsWidget;
@Inject
private Caller<FactModelService> factModelService;
@Inject
private Caller<MetadataService> metadataService;
@Inject
private FactModelsEditorView view;
@Inject
private ViewSourceView viewSource;
@Inject
private MetadataWidget metadataWidget;
@Inject
private MultiPageEditor multiPage;
@Inject
private Event<NotificationEvent> notification;
@Inject
private PlaceManager placeManager;
@Inject
@New
private FileMenuBuilder menuBuilder;
private Menus menus;
private Path path;
private PlaceRequest place;
private boolean isReadOnly;
private FactModels model;
private PackageDataModelOracle oracle;
private List<FactMetaModel> superTypes;
@OnStart
public void onStart( final Path path,
final PlaceRequest place ) {
this.path = path;
this.place = place;
this.isReadOnly = place.getParameter( "readOnly", null ) == null ? false : true;
makeMenuBar();
view.showBusyIndicator( CommonConstants.INSTANCE.Loading() );
multiPage.addWidget( view,
CommonConstants.INSTANCE.EditTabTitle() );
multiPage.addPage( new Page( viewSource,
CommonConstants.INSTANCE.SourceTabTitle() ) {
@Override
public void onFocus() {
viewSource.showBusyIndicator( CommonConstants.INSTANCE.Loading() );
factModelService.call( new ViewSourceSuccessCallback( viewSource ),
new HasBusyIndicatorDefaultErrorCallback( viewSource ) ).toSource( path,
view.getContent() );
}
@Override
public void onLostFocus() {
viewSource.clear();
}
} );
multiPage.addWidget( importsWidget,
CommonConstants.INSTANCE.ConfigTabTitle() );
multiPage.addPage( new Page( metadataWidget,
CommonConstants.INSTANCE.MetadataTabTitle() ) {
@Override
public void onFocus() {
metadataWidget.showBusyIndicator( CommonConstants.INSTANCE.Loading() );
metadataService.call( new MetadataSuccessCallback( metadataWidget,
isReadOnly ),
new HasBusyIndicatorDefaultErrorCallback( metadataWidget ) ).getMetadata( path );
}
@Override
public void onLostFocus() {
//Nothing to do
}
} );
loadContent();
}
private void makeMenuBar() {
if ( isReadOnly ) {
menus = menuBuilder.addRestoreVersion( path ).build();
} else {
menus = menuBuilder
.addSave( new Command() {
@Override
public void execute() {
onSave();
}
} )
.addCopy( path )
.addRename( path )
.addDelete( path )
.build();
}
}
private void loadContent() {
factModelService.call( getModelSuccessCallback(),
new HasBusyIndicatorDefaultErrorCallback( view ) ).loadContent( path );
}
private RemoteCallback<FactModelContent> getModelSuccessCallback() {
return new RemoteCallback<FactModelContent>() {
@Override
public void callback( final FactModelContent content ) {
model = content.getFactModels();
oracle = content.getDataModel();
oracle.filter( model.getImports() );
superTypes = content.getSuperTypes();
final ModelNameHelper modelNameHelper = new ModelNameHelper();
for ( final FactMetaModel currentModel : superTypes ) {
modelNameHelper.getTypeDescriptions().put( currentModel.getName(),
currentModel.getName() );
}
view.setContent( model,
superTypes,
modelNameHelper );
importsWidget.setContent( oracle,
model.getImports(),
isReadOnly );
view.hideBusyIndicator();
}
};
}
@OnSave
public void onSave() {
if ( isReadOnly ) {
view.alertReadOnly();
return;
}
new SaveOperationService().save( path,
new CommandWithCommitMessage() {
@Override
public void execute( final String comment ) {
view.showBusyIndicator( CommonConstants.INSTANCE.Saving() );
factModelService.call( getSaveSuccessCallback(),
new HasBusyIndicatorDefaultErrorCallback( view ) ).save( path,
view.getContent(),
metadataWidget.getContent(),
comment );
}
} );
}
private RemoteCallback<Path> getSaveSuccessCallback() {
return new RemoteCallback<Path>() {
@Override
public void callback( final Path path ) {
view.setNotDirty();
view.hideBusyIndicator();
metadataWidget.resetDirty();
notification.fire( new NotificationEvent( CommonConstants.INSTANCE.ItemSavedSuccessfully() ) );
}
};
}
@WorkbenchPartView
public IsWidget getWidget() {
return multiPage;
}
@OnClose
public void onClose() {
this.path = null;
}
@IsDirty
public boolean isDirty() {
if ( isReadOnly ) {
return false;
}
return ( view.isDirty() || importsWidget.isDirty() || metadataWidget.isDirty() );
}
@OnMayClose
public boolean checkIfDirty() {
if ( isDirty() ) {
return view.confirmClose();
}
return true;
}
@WorkbenchPartTitle
public String getTitle() {
if ( isReadOnly ) {
return "Read Only Fact Models Viewer [" + path.getFileName() + "]";
}
return "Fact Models Editor [" + path.getFileName() + "]";
}
@WorkbenchMenu
public Menus getMenus() {
return menus;
}
public void onRestore( @Observes RestoreEvent restore ) {
if ( path == null || restore == null || restore.getPath() == null ) {
return;
}
if ( path.equals( restore.getPath() ) ) {
loadContent();
notification.fire( new NotificationEvent( CommonConstants.INSTANCE.ItemRestored() ) );
}
}
}