/*
* Copyright 2011 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.dtable.client.wizard.pages;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import org.drools.workbench.models.guided.dtable.shared.model.GuidedDecisionTable52;
import org.drools.workbench.models.guided.dtable.shared.model.Pattern52;
import org.drools.workbench.screens.guided.dtable.client.resources.i18n.GuidedDecisionTableConstants;
import org.drools.workbench.screens.guided.dtable.client.wizard.pages.events.DuplicatePatternsEvent;
import org.drools.workbench.screens.guided.dtable.client.wizard.pages.events.PatternRemovedEvent;
import org.kie.workbench.common.widgets.client.datamodel.ImportAddedEvent;
import org.kie.workbench.common.widgets.client.datamodel.ImportRemovedEvent;
import org.uberfire.client.callbacks.Callback;
import org.kie.uberfire.client.wizards.WizardPageStatusChangeEvent;
/**
* A page for the guided Decision Table Wizard to define Fact Patterns
*/
@Dependent
public class FactPatternsPage extends AbstractGuidedDecisionTableWizardPage
implements
FactPatternsPageView.Presenter {
@Inject
private FactPatternsPageView view;
@Inject
private Event<DuplicatePatternsEvent> duplicatePatternsEvent;
@Inject
private Event<PatternRemovedEvent> patternRemovedEvent;
@Inject
private Event<WizardPageStatusChangeEvent> wizardPageStatusChangeEvent;
@Override
public String getTitle() {
return GuidedDecisionTableConstants.INSTANCE.DecisionTableWizardFactPatterns();
}
@Override
public void initialise() {
view.init( this );
view.setValidator( getValidator() );
final List<String> availableTypes = Arrays.asList( oracle.getFactTypes() );
view.setAvailableFactTypes( availableTypes );
view.setChosenPatterns( new ArrayList<Pattern52>() );
content.setWidget( view );
}
@Override
public void prepareView() {
// Nothing needs to be done when the page is viewed; it is setup in initialise
}
@Override
public void isComplete( final Callback<Boolean> callback ) {
//Are the patterns valid?
final boolean arePatternBindingsUnique = getValidator().arePatternBindingsUnique();
//Signal duplicates to other pages
final DuplicatePatternsEvent event = new DuplicatePatternsEvent( arePatternBindingsUnique );
duplicatePatternsEvent.fire( event );
callback.callback( arePatternBindingsUnique );
}
public void handleImportAddedEvent( @Observes ImportAddedEvent event ) {
if ( !event.getDataModelOracle().equals( this.oracle ) ) {
return;
}
final List<String> availableTypes = Arrays.asList( oracle.getFactTypes() );
view.setAvailableFactTypes( availableTypes );
}
public void handleImportRemovedEvent( @Observes ImportRemovedEvent event ) {
if ( !event.getDataModelOracle().equals( this.oracle ) ) {
return;
}
final List<String> availableTypes = Arrays.asList( oracle.getFactTypes() );
view.setAvailableFactTypes( availableTypes );
}
public void onDuplicatePatterns( final @Observes DuplicatePatternsEvent event ) {
view.setArePatternBindingsUnique( event.getArePatternBindingsUnique() );
}
@Override
public void isPatternEvent( final Pattern52 pattern,
final Callback<Boolean> callback ) {
oracle.isFactTypeAnEvent( pattern.getFactType(),
callback );
}
@Override
public void signalRemovalOfPattern( final Pattern52 pattern ) {
final PatternRemovedEvent event = new PatternRemovedEvent( pattern );
patternRemovedEvent.fire( event );
}
@Override
public void setConditionPatterns( final List<Pattern52> patterns ) {
model.getConditions().clear();
model.getConditions().addAll( patterns );
}
@Override
public void makeResult( final GuidedDecisionTable52 model ) {
//Ensure every Pattern is bound
int fi = 1;
for ( Pattern52 p : model.getPatterns() ) {
if ( !getValidator().isPatternValid( p ) ) {
String binding = NEW_FACT_PREFIX + ( fi++ );
p.setBoundName( binding );
while ( !getValidator().isPatternBindingUnique( p ) ) {
binding = NEW_FACT_PREFIX + ( fi++ );
p.setBoundName( binding );
}
}
}
}
@Override
public void stateChanged() {
final WizardPageStatusChangeEvent event = new WizardPageStatusChangeEvent( this );
wizardPageStatusChangeEvent.fire( event );
}
}