/*
* 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.guided.rule.client.editor;
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.models.commons.shared.rule.RuleModel;
import org.drools.workbench.screens.guided.rule.client.type.GuidedRuleDRLResourceType;
import org.drools.workbench.screens.guided.rule.client.type.GuidedRuleDSLRResourceType;
import org.drools.workbench.screens.guided.rule.model.GuidedEditorContent;
import org.drools.workbench.screens.guided.rule.service.GuidedRuleEditorService;
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.events.ImportAddedEvent;
import org.kie.workbench.common.services.datamodel.events.ImportRemovedEvent;
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 = "GuidedRuleEditor", supportedTypes = { GuidedRuleDRLResourceType.class, GuidedRuleDSLRResourceType.class }, priority = 102)
public class GuidedRuleEditorPresenter {
@Inject
private ImportsWidgetPresenter importsWidget;
@Inject
private GuidedRuleEditorView view;
@Inject
private ViewSourceView viewSource;
@Inject
private MultiPageEditor multiPage;
@Inject
private Caller<GuidedRuleEditorService> service;
@Inject
private Event<NotificationEvent> notification;
@Inject
private PlaceManager placeManager;
@Inject
private Caller<MetadataService> metadataService;
@Inject
private GuidedRuleDSLRResourceType resourceTypeDSL;
@Inject
@New
private FileMenuBuilder menuBuilder;
private Menus menus;
@Inject
private MetadataWidget metadataWidget;
private Path path;
private PlaceRequest place;
private boolean isReadOnly;
private boolean isDSLEnabled;
private RuleModel model;
private PackageDataModelOracle oracle;
@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;
this.isDSLEnabled = resourceTypeDSL.accept( path );
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() );
service.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 loadContent() {
service.call( getModelSuccessCallback(),
new HasBusyIndicatorDefaultErrorCallback( view ) ).loadContent( path );
}
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 RemoteCallback<GuidedEditorContent> getModelSuccessCallback() {
return new RemoteCallback<GuidedEditorContent>() {
@Override
public void callback( final GuidedEditorContent response ) {
model = response.getRuleModel();
oracle = response.getDataModel();
oracle.filter( model.getImports() );
view.setContent( path,
model,
oracle,
isReadOnly,
isDSLEnabled );
importsWidget.setContent( oracle,
model.getImports(),
isReadOnly );
view.hideBusyIndicator();
}
};
}
public void handleImportAddedEvent( @Observes ImportAddedEvent event ) {
if ( !event.getDataModelOracle().equals( this.oracle ) ) {
return;
}
view.refresh();
}
public void handleImportRemovedEvent( @Observes ImportRemovedEvent event ) {
if ( !event.getDataModelOracle().equals( this.oracle ) ) {
return;
}
view.refresh();
}
@OnSave
public void onSave() {
if ( isReadOnly ) {
view.alertReadOnly();
return;
}
new SaveOperationService().save( path,
new CommandWithCommitMessage() {
@Override
public void execute( final String commitMessage ) {
view.showBusyIndicator( CommonConstants.INSTANCE.Saving() );
service.call( getSaveSuccessCallback(),
new HasBusyIndicatorDefaultErrorCallback( view ) ).save( path,
view.getContent(),
metadataWidget.getContent(),
commitMessage );
}
} );
}
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() ) );
}
};
}
@IsDirty
public boolean isDirty() {
return view.isDirty();
}
@OnClose
public void onClose() {
this.path = null;
}
@OnMayClose
public boolean checkIfDirty() {
if ( isDirty() ) {
return view.confirmClose();
}
return true;
}
@WorkbenchPartTitle
public String getTitle() {
return "Guided Editor [" + path.getFileName() + "]";
}
@WorkbenchPartView
public IsWidget getWidget() {
return multiPage;
}
@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() ) );
}
}
}