/*
* 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.guvnor.client.widgets.wizards.assets.decisiontable;
import java.util.Arrays;
import java.util.List;
import org.drools.guvnor.client.widgets.wizards.assets.NewAssetWizardContext;
import org.drools.guvnor.client.widgets.wizards.assets.decisiontable.events.DuplicatePatternsEvent;
import org.drools.guvnor.client.widgets.wizards.assets.decisiontable.events.FactPatternsDefinedEvent;
import org.drools.guvnor.client.widgets.wizards.assets.decisiontable.events.PatternRemovedEvent;
import org.drools.ide.common.client.modeldriven.dt52.GuidedDecisionTable52;
import org.drools.ide.common.client.modeldriven.dt52.Pattern52;
import com.google.gwt.event.shared.EventBus;
/**
* A page for the guided Decision Table Wizard to define Fact Patterns
*/
public class FactPatternsPage extends AbstractGuidedDecisionTableWizardPage
implements
FactPatternsPageView.Presenter,
DuplicatePatternsEvent.Handler,
FactPatternsDefinedEvent.Handler {
private FactPatternsPageView view;
public FactPatternsPage(NewAssetWizardContext context,
GuidedDecisionTable52 dtable,
EventBus eventBus,
Validator validator) {
super( context,
dtable,
eventBus,
validator );
this.view = new FactPatternsPageViewImpl( getValidator() );
//Wire-up the events
eventBus.addHandler( DuplicatePatternsEvent.TYPE,
this );
eventBus.addHandler( FactPatternsDefinedEvent.TYPE,
this );
}
public String getTitle() {
return constants.DecisionTableWizardFactPatterns();
}
public void initialise() {
if ( sce == null ) {
return;
}
view.setPresenter( this );
view.setDecisionTable( dtable );
List<String> availableTypes = Arrays.asList( sce.getFactTypes() );
view.setAvailableFactTypes( availableTypes );
List<Pattern52> chosenTypes = dtable.getConditionPatterns();
view.setChosenPatterns( chosenTypes );
content.setWidget( view );
}
public void prepareView() {
// Nothing needs to be done when the page is viewed; it is setup in initialise
}
public boolean isComplete() {
//Are the patterns valid?
boolean arePatternBindingsUnique = getValidator().arePatternBindingsUnique();
//Signal duplicates to other pages
DuplicatePatternsEvent event = new DuplicatePatternsEvent( arePatternBindingsUnique );
eventBus.fireEvent( event );
//Are all Patterns defined?
boolean arePatternsDefined = true;
for ( Pattern52 p : dtable.getConditionPatterns() ) {
if ( !getValidator().isPatternValid( p ) ) {
arePatternsDefined = false;
break;
}
}
//Signal Fact Patterns to other pages
FactPatternsDefinedEvent eventFactPatterns = new FactPatternsDefinedEvent( arePatternsDefined );
eventBus.fireEvent( eventFactPatterns );
return arePatternBindingsUnique && arePatternsDefined;
}
public void onDuplicatePatterns(DuplicatePatternsEvent event) {
view.setArePatternBindingsUnique( event.getArePatternBindingsUnique() );
}
public void onFactPatternsDefined(FactPatternsDefinedEvent event) {
view.setAreFactPatternsDefined( event.getAreFactPatternsDefined() );
}
public boolean isPatternEvent(Pattern52 pattern) {
return sce.isFactTypeAnEvent( pattern.getFactType() );
}
public void signalRemovalOfPattern(Pattern52 pattern) {
PatternRemovedEvent event = new PatternRemovedEvent( pattern );
eventBus.fireEvent( event );
}
}