/*
* 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.displayer.client.widgets;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Event;
import javax.inject.Inject;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Widget;
import org.dashbuilder.displayer.DisplayerSubType;
import org.dashbuilder.displayer.DisplayerType;
import org.dashbuilder.displayer.client.RendererLibrary;
import org.dashbuilder.displayer.client.RendererManager;
import org.dashbuilder.displayer.client.events.DisplayerSubtypeSelectedEvent;
import org.uberfire.client.mvp.UberView;
@Dependent
public class DisplayerSubtypeSelector implements IsWidget {
public interface View extends UberView<DisplayerSubtypeSelector> {
void clear();
void show(DisplayerType type, DisplayerSubType subtype);
void select(DisplayerSubType subtype);
void showDefault(DisplayerType type);
}
View view = null;
RendererManager rendererManager;
DisplayerSubType selectedSubtype;
Event<DisplayerSubtypeSelectedEvent> selectEvent;
@Inject
public DisplayerSubtypeSelector(View view,
RendererManager rendererManager,
Event<DisplayerSubtypeSelectedEvent> selectEvent) {
this.view = view;
this.rendererManager = rendererManager;
this.selectEvent = selectEvent;
view.init(this);
}
@Override
public Widget asWidget() {
return view.asWidget();
}
public DisplayerSubType getSelectedSubtype() {
return selectedSubtype;
}
public void init(DisplayerType type, DisplayerSubType selectedSubType) {
view.clear();
RendererLibrary rendererLibrary = rendererManager.getRendererForType(type);
if (rendererLibrary != null) {
List<DisplayerSubType> supportedSubTypes = rendererLibrary.getSupportedSubtypes(type);
if (supportedSubTypes != null && !supportedSubTypes.isEmpty()) {
for (int i = 0; i < supportedSubTypes.size(); i++) {
DisplayerSubType subtype = supportedSubTypes.get(i);
// Double check the renderer library for invalid subtypes for this type
if (!type.getSubTypes().contains(subtype)) {
throw new RuntimeException("Wrong subtype (" + subtype + ") indicated for type " + type + " by renderer library " + rendererLibrary.getUUID());
}
boolean initiallySelected = selectedSubType != null ? subtype == selectedSubType : i == 0;
view.show(type, subtype);
if (initiallySelected) {
view.select(subtype);
}
}
} else {
view.showDefault(type);
}
}
}
void onSelect(DisplayerSubType subtype) {
selectedSubtype = subtype;
selectEvent.fire(new DisplayerSubtypeSelectedEvent(selectedSubtype));
}
}