/**
* Copyright (c) 2011 Ontology Engineering Group,
* Departamento de Inteligencia Artificial,
* Facultad de Informetica, Universidad
* Politecnica de Madrid, Spain
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package es.upm.fi.dia.oeg.map4rdf.client.presenter;
import java.util.ArrayList;
import java.util.List;
import name.alexdeleon.lib.gwtblocks.client.ControlPresenter;
import net.customware.gwt.dispatch.client.DispatchAsync;
import net.customware.gwt.presenter.client.EventBus;
import net.customware.gwt.presenter.client.widget.WidgetDisplay;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import es.upm.fi.dia.oeg.map4rdf.client.action.GetConfigurationParameter;
import es.upm.fi.dia.oeg.map4rdf.client.action.GetFacetDefinitions;
import es.upm.fi.dia.oeg.map4rdf.client.action.GetFacetDefinitionsResult;
import es.upm.fi.dia.oeg.map4rdf.client.action.SingletonResult;
import es.upm.fi.dia.oeg.map4rdf.client.conf.ConfIDInterface;
import es.upm.fi.dia.oeg.map4rdf.client.event.FacetConstraintsChangedEvent;
import es.upm.fi.dia.oeg.map4rdf.client.event.OnSelectedConfiguration;
import es.upm.fi.dia.oeg.map4rdf.client.event.OnSelectedConfigurationHandler;
import es.upm.fi.dia.oeg.map4rdf.client.presenter.FacetPresenter.Display.FacetSelectionHandler;
import es.upm.fi.dia.oeg.map4rdf.client.resource.BrowserMessages;
import es.upm.fi.dia.oeg.map4rdf.client.widget.WidgetFactory;
import es.upm.fi.dia.oeg.map4rdf.share.ConfigurationDrawColoursBy;
import es.upm.fi.dia.oeg.map4rdf.share.FacetConstraint;
import es.upm.fi.dia.oeg.map4rdf.share.FacetGroup;
import es.upm.fi.dia.oeg.map4rdf.share.conf.ParameterNames;
/**
* @author Alexander De Leon
*/
@Singleton
public class FacetPresenter extends ControlPresenter<FacetPresenter.Display> {
public interface Display extends WidgetDisplay {
public void clear();
public Boolean isEmpty();
interface FacetSelectionHandler {
void onFacetSelectionChanged(String facetId,String hexColour, String facetValueId, boolean selected);
}
// TODO this should be decoupled from the model
void setFacets(List<FacetGroup> facets);
void setFacetSelectionChangedHandler(FacetSelectionHandler handler);
void setConfigurationDrawColours(ConfigurationDrawColoursBy drawColoursBy);
}
private final ConfIDInterface configID;
private final DispatchAsync dispatchAsync;
private final List<FacetConstraint> constraints = new ArrayList<FacetConstraint>();
private WidgetFactory widgetFactory;
private BrowserMessages messages;
public List<FacetConstraint> getConstraints(){
return this.constraints;
}
@Inject
public FacetPresenter(ConfIDInterface configID,Display display, EventBus eventBus, DispatchAsync dispatchAsync, WidgetFactory widgetFactory, BrowserMessages messages) {
super(display, eventBus);
this.configID = configID;
this.dispatchAsync = dispatchAsync;
this.widgetFactory = widgetFactory;
this.messages = messages;
}
/* -------------- Presenter callbacks -- */
@Override
protected void onBind() {
getDisplay().setFacetSelectionChangedHandler(new FacetSelectionHandler() {
@Override
public void onFacetSelectionChanged(String facetId,String hexColour, String facetValueId, boolean selected) {
if (selected) {
constraints.add(new FacetConstraint(facetId,hexColour, facetValueId));
} else {
constraints.remove(new FacetConstraint(facetId,hexColour, facetValueId));
}
fireFacetConstrainsChanged();
}
});
onRevealDisplay();
}
@Override
protected void onUnbind() {
}
void loadFacets() {
dispatchAsync.execute(new GetFacetDefinitions(configID.getConfigID()), new AsyncCallback<GetFacetDefinitionsResult>() {
@Override
public void onFailure(Throwable caught) {
widgetFactory.getDialogBox().showError(messages.errorCommunication()+" Error:"+caught.getMessage());
}
@Override
public void onSuccess(GetFacetDefinitionsResult result) {
getDisplay().setFacets(result.getFacetDefinitions());
}
});
}
private void fireFacetConstrainsChanged() {
eventBus.fireEvent(new FacetConstraintsChangedEvent(constraints));
}
public void clear() {
constraints.clear();
getDisplay().clear();
}
@Override
protected void onRevealDisplay() {
if(configID.existsConfigID()){
if (getDisplay().isEmpty()) {
loadConfigurationsParams();
}
}else{
eventBus.addHandler(OnSelectedConfiguration.getType(), new OnSelectedConfigurationHandler() {
@Override
public void onSelectecConfiguration(String configID) {
if (getDisplay().isEmpty()) {
loadConfigurationsParams();
}
}
});
}
}
private void loadConfigurationsParams(){
dispatchAsync.execute(new GetConfigurationParameter(configID.getConfigID(), ParameterNames.DRAW_COLOURS_BY), new AsyncCallback<SingletonResult<String>>() {
@Override
public void onFailure(Throwable caught) {
widgetFactory.getDialogBox().showError(messages.errorCommunication()+" Error:"+caught.getMessage());
}
@Override
public void onSuccess(SingletonResult<String> result) {
if (getDisplay().isEmpty()) {
if(ConfigurationDrawColoursBy.isValid(result.getValue())){
display.setConfigurationDrawColours(ConfigurationDrawColoursBy.valueOf(result.getValue()));
}else{
display.setConfigurationDrawColours(ConfigurationDrawColoursBy.getDefault());
}
loadFacets();
}
}
});
}
}