com.tdm.client.app.problem.expert.ProblemExpertsPresenter.java Source code

Introduction

Here is the source code for com.tdm.client.app.problem.expert.ProblemExpertsPresenter.java

Source

/**
 * Copyright 2011 Pawe Doleciski.
 *
 * 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 com.tdm.client.app.problem.expert;

import java.util.List;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;
import com.google.web.bindery.event.shared.EventBus;
import com.gwtplatform.dispatch.shared.DispatchAsync;
import com.gwtplatform.mvp.client.HasUiHandlers;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.View;
import com.gwtplatform.mvp.client.annotations.ProxyCodeSplit;
import com.gwtplatform.mvp.client.annotations.ProxyEvent;
import com.gwtplatform.mvp.client.proxy.Proxy;
import com.gwtplatform.mvp.client.proxy.RevealContentEvent;
import com.tdm.client.app.AppPresenter;
import com.tdm.client.dispatch.command.GetExpertListAction;
import com.tdm.client.dispatch.command.GetExpertListResult;
import com.tdm.client.dispatch.command.InviteExpertsAction;
import com.tdm.client.dispatch.command.InviteExpertsResult;
import com.tdm.client.event.ChannelMessageReceivedEvent;
import com.tdm.client.event.ErrorOccuredEvent;
import com.tdm.client.event.navi.HideExpertsPresenterEvent;
import com.tdm.client.event.navi.HideExpertsPresenterEvent.HideExpertsPresenterHandler;
import com.tdm.client.event.navi.RevealExpertsPresenterEvent;
import com.tdm.client.event.navi.RevealExpertsPresenterEvent.RevealExpertsPresenterHandler;
import com.tdm.client.security.CurrentUser;
import com.tdm.domain.model.expert.dto.ExpertInvitationJSO;
import com.tdm.domain.model.expert.dto.ExpertJso;

public class ProblemExpertsPresenter
        extends Presenter<ProblemExpertsPresenter.Display, ProblemExpertsPresenter.IProxy>
        implements RevealExpertsPresenterHandler, HideExpertsPresenterHandler, ProblemExpertsUiHandlers {

    private String problemId;
    private DispatchAsync dispatch;
    private CurrentUser currentUser;

    @ProxyCodeSplit
    public interface IProxy extends Proxy<ProblemExpertsPresenter> {
    }

    public interface Display extends View, HasUiHandlers<ProblemExpertsUiHandlers> {
        void clearList();

        void addExpert(ExpertJso expert);

        void mailSent();

        void setUserPhotoAndName(String imgUrl, String name);
    }

    @Override
    protected void onBind() {
        super.onBind();
        addRegisteredHandler(ChannelMessageReceivedEvent.getType(),
                new ChannelMessageReceivedEvent.ChannelMessageReceivedHandler() {

                    @Override
                    public void onChannelMessageReceived(ChannelMessageReceivedEvent event) {
                        if (event.getMsg().equals("NEW_EXPERT")) {
                            getExpertList();
                        }
                    }
                });
    }

    @Inject
    public ProblemExpertsPresenter(EventBus eventBus, Display view, IProxy proxy, final DispatchAsync dispatch,
            final CurrentUser currentUser) {
        super(eventBus, view, proxy, AppPresenter.TYPE_LeftContent);
        this.dispatch = dispatch;
        this.currentUser = currentUser;
        getView().setUiHandlers(this);
    }

    @Override
    protected void onReset() {
        super.onReset();
        getView().setUserPhotoAndName(currentUser.getUser().getImageUrl(), currentUser.getUser().getName());
        getExpertList();
    }

    private void getExpertList() {
        dispatch.execute(new GetExpertListAction(problemId), new AsyncCallback<GetExpertListResult>() {

            @Override
            public void onFailure(Throwable caught) {
                GWT.log("Error executing command ", caught);
                ErrorOccuredEvent.fire(ProblemExpertsPresenter.this, caught.getMessage());
            }

            @Override
            public void onSuccess(GetExpertListResult result) {
                getView().clearList();
                JsArray<ExpertJso> res = result.getExpertList();
                for (int i = 0; i < res.length(); i++) {
                    getView().addExpert(res.get(i));
                }
            }
        });
    }

    @ProxyEvent
    @Override
    public void onRevealExpertsPresenter(RevealExpertsPresenterEvent event) {
        problemId = event.getProblemId();
        forceReveal();
    }

    @ProxyEvent
    @Override
    public void onHideExpertsPresenter(HideExpertsPresenterEvent event) {
        problemId = null;
        RevealContentEvent.fire(this, AppPresenter.TYPE_LeftContent, null);
    }

    @Override
    public void invite(List<String> mails, String msg) {
        JsArrayString createArray = JsArrayString.createArray().cast();
        for (String string : mails) {
            createArray.push(string);
        }
        ExpertInvitationJSO inv = ExpertInvitationJSO.create(createArray, msg);
        dispatch.execute(new InviteExpertsAction(problemId, inv), new AsyncCallback<InviteExpertsResult>() {

            @Override
            public void onFailure(Throwable caught) {
                GWT.log("Error executing command ", caught);
                ErrorOccuredEvent.fire(ProblemExpertsPresenter.this, caught.getMessage());
            }

            @Override
            public void onSuccess(InviteExpertsResult result) {
                getView().mailSent();
            }
        });
    }
}