py.edu.uca.intercajas.client.beneficiario.BeneficiarioSelector.java Source code

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Here is the source code for py.edu.uca.intercajas.client.beneficiario.BeneficiarioSelector.java

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/*
 * Copyright 2010 Google 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 py.edu.uca.intercajas.client.beneficiario;

import py.edu.uca.intercajas.client.AppUtils;
import py.edu.uca.intercajas.client.beneficiario.ListaBeneficiarios.Listener;
import py.edu.uca.intercajas.client.beneficiario.events.BeneficiarioChangedEvent;
import py.edu.uca.intercajas.shared.entity.Beneficiario;

import com.google.gwt.core.client.GWT;
import com.google.gwt.editor.client.IsEditor;
import com.google.gwt.editor.client.adapters.OptionalFieldEditor;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;
import com.google.web.bindery.event.shared.HandlerRegistration;
import com.google.web.bindery.event.shared.SimpleEventBus;

/**
 * This demonstrates how an editor can be constructed to handle optional fields.
 * The Person domain object's mentor property is initially <code>null</code>.
 * This type delegates editing control to an instance of the
 * {@link OptionalValueEditor} adapter class.
 */
public class BeneficiarioSelector extends Composite
        implements IsEditor<OptionalFieldEditor<Beneficiario, NameLabel>> {

    interface Binder extends UiBinder<Widget, BeneficiarioSelector> {
    }

    HandlerRegistration r;

    @UiField
    Button choose;

    @UiField
    Button clear;

    @UiField
    NameLabel nameLabel;

    Beneficiario beneficiario;

    private final OptionalFieldEditor<Beneficiario, NameLabel> editor;
    //  private final GestionBeneficiario gestionBeneficiario;

    public interface Listener {
        void onSelected(Beneficiario beneficiarioSelected);
    }

    Listener listener;

    public BeneficiarioSelector() {

        initWidget(GWT.<Binder>create(Binder.class).createAndBindUi(this));
        editor = OptionalFieldEditor.of(nameLabel);
        clear.setVisible(false);
    }

    public OptionalFieldEditor<Beneficiario, NameLabel> asEditor() {
        return editor;
    }

    public void setEnabled(boolean enabled) {
        choose.setEnabled(enabled);
        //    clear.setEnabled(enabled);
    }

    @Override
    protected void onUnload() {
        nameLabel.cancelSubscription();
    }

    @UiHandler("choose")
    void onChoose(ClickEvent event) {
        //    setEnabled(false);

        r = AppUtils.EVENT_BUS.addHandler(BeneficiarioChangedEvent.TYPE, new BeneficiarioChangedEvent.Handler() {
            @Override
            public void selected(Beneficiario beneficiarioSelected) {
                r.removeHandler();
                //TODO esto hay que arreglar
                setValue(beneficiarioSelected);
            }
        });

        new ListaBeneficiarios(10).mostrarDialog();
        //    factory.schoolCalendarRequest().getRandomPerson().to(
        //        new Receiver<PersonProxy>() {
        //          @Override
        //          public void onSuccess(PersonProxy response) {
        //            setValue(response);
        //            setEnabled(true);
        //          }
        //        }).fire();
    }

    @UiHandler("clear")
    void onClear(ClickEvent event) {
        setValue(null);
    }

    /**
     * This method is not called by the Editor framework.
     */
    private void setValue(Beneficiario beneficiario) {
        //editor.setValue(beneficiario);
        this.beneficiario = beneficiario;
        nameLabel.setVisible(beneficiario != null);
        if (beneficiario != null) {
            nameLabel.setTexto(beneficiario.toString());
        }

        if (listener != null) {
            listener.onSelected(beneficiario);
        }
    }

    public Beneficiario getBeneficiario() {
        return this.beneficiario;
    }

    public void setClearVisible(boolean visible) {
        clear.setVisible(visible);
    }

    public void setListener(Listener listener) {
        this.listener = listener;
    }

}