/*
* Copyright (c) 2015 Ushahidi Inc
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program in the file LICENSE-AGPL. If not, see
* https://www.gnu.org/licenses/agpl-3.0.html
*/
package com.ushahidi.platform.mobile.app.presentation.view.ui.fragment;
import com.addhen.android.raiburari.presentation.ui.fragment.BaseRecyclerViewFragment;
import com.addhen.android.raiburari.presentation.ui.listener.RecyclerViewItemTouchListenerAdapter;
import com.addhen.android.raiburari.presentation.ui.widget.BloatedRecyclerView;
import com.ushahidi.platform.mobile.app.R;
import com.ushahidi.platform.mobile.app.presentation.UshahidiApplication;
import com.ushahidi.platform.mobile.app.presentation.di.components.post.ListPostComponent;
import com.ushahidi.platform.mobile.app.presentation.model.PostModel;
import com.ushahidi.platform.mobile.app.presentation.presenter.post.ListPostPresenter;
import com.ushahidi.platform.mobile.app.presentation.state.NoAccessTokenEvent;
import com.ushahidi.platform.mobile.app.presentation.state.ReloadPostEvent;
import com.ushahidi.platform.mobile.app.presentation.state.RxEventBus;
import com.ushahidi.platform.mobile.app.presentation.util.Utility;
import com.ushahidi.platform.mobile.app.presentation.view.post.ListPostView;
import com.ushahidi.platform.mobile.app.presentation.view.ui.activity.PostActivity;
import com.ushahidi.platform.mobile.app.presentation.view.ui.adapter.PostAdapter;
import com.ushahidi.platform.mobile.app.presentation.view.ui.navigation.Launcher;
import android.content.Context;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.MenuItem;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import java.util.List;
import javax.inject.Inject;
import butterknife.Bind;
import rx.subscriptions.CompositeSubscription;
/**
* @author Ushahidi Team <team@ushahidi.com>
*/
public class ListPostFragment extends BaseRecyclerViewFragment<PostModel, PostAdapter> implements
ListPostView, RecyclerViewItemTouchListenerAdapter.RecyclerViewOnItemClickListener {
private static ListPostFragment mListPostFragment;
@Bind(R.id.loading_progress_bar)
ProgressBar mProgressBar;
@Bind(android.R.id.list)
BloatedRecyclerView mPostRecyclerView;
@Inject
ListPostPresenter mListPostPresenter;
@Inject
Launcher mLauncher;
RxEventBus mRxEventBus;
private PostAdapter mPostAdapter;
private LinearLayoutManager mLinearLayoutManager;
private CompositeSubscription mSubscriptions = new CompositeSubscription();
private List<PostModel> mPostModelList;
private Snackbar mSnackbar;
public ListPostFragment() {
super(PostAdapter.class, R.layout.fragment_list_post, R.menu.list_post);
}
public static ListPostFragment newInstance() {
if (mListPostFragment == null) {
mListPostFragment = new ListPostFragment();
}
return mListPostFragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setRetainInstance(true);
initialize();
subscribeToRxEventBus();
}
private void subscribeToRxEventBus() {
mSubscriptions.add(mRxEventBus.toObservable().subscribe(event -> {
if (event instanceof ReloadPostEvent) {
ReloadPostEvent reloadPostEvent
= (ReloadPostEvent) event;
if (reloadPostEvent != null) {
mListPostPresenter.loadLocalDatabase();
}
} else if (event instanceof NoAccessTokenEvent) {
showLoginPrompt();
}
}));
}
private void initialize() {
getListPostComponent(ListPostComponent.class).inject(this);
mListPostPresenter.setView(this);
initRecyclerView();
mRxEventBus = UshahidiApplication.getRxEventBusInstance();
}
private void initRecyclerView() {
mPostAdapter = new PostAdapter();
mPostRecyclerView.setFocusable(true);
mPostRecyclerView.setFocusableInTouchMode(true);
mPostRecyclerView.setAdapter(mPostAdapter);
mPostRecyclerView.setHasFixedSize(true);
mLinearLayoutManager = new LinearLayoutManager(getActivity());
mPostRecyclerView.addItemDividerDecoration(getActivity());
mPostRecyclerView.setLayoutManager(mLinearLayoutManager);
RecyclerViewItemTouchListenerAdapter recyclerViewItemTouchListenerAdapter
= new RecyclerViewItemTouchListenerAdapter(mPostRecyclerView.recyclerView, this);
mPostRecyclerView.recyclerView.addOnItemTouchListener(recyclerViewItemTouchListenerAdapter);
// Upon successful refresh, disable swipe to refresh
mPostRecyclerView
.setDefaultOnRefreshListener(() -> {
mPostRecyclerView.setRefreshing(true);
mListPostPresenter.loadPostViaApi();
// Hide progress bar when pull refresh is in action
mProgressBar.setVisibility(View.GONE);
mPostRecyclerView.recyclerView.smoothScrollToPosition(0);
});
}
@Override
public void onResume() {
super.onResume();
mListPostPresenter.resume();
}
@Override
public void onStart() {
super.onStart();
}
@Override
public void onStop() {
super.onStop();
if (!mSubscriptions.isUnsubscribed()) {
mSubscriptions.unsubscribe();
}
}
@Override
public void onPause() {
super.onPause();
mListPostPresenter.pause();
}
@Override
public void onDestroy() {
super.onDestroy();
if (!mSubscriptions.isUnsubscribed()) {
mSubscriptions.unsubscribe();
}
mListPostPresenter.destroy();
}
@Override
public void showLoading() {
mProgressBar.setVisibility(View.VISIBLE);
}
@Override
public void hideLoading() {
mPostRecyclerView.setRefreshing(false);
mProgressBar.setVisibility(View.GONE);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.menu_sort_by_title) {
sortByTitle();
return true;
} else if (id == R.id.menu_sort_by_date) {
sortByDate();
return true;
}
return super.onOptionsItemSelected(item);
}
public void sortByDate() {
if (mPostAdapter != null) {
mPostAdapter.sortByDate();
}
}
public void sortByTitle() {
if (mPostAdapter != null) {
mPostAdapter.sortByTitle();
}
}
@Override
public void showRetry() {
mSnackbar = Snackbar
.make(getView(), getString(R.string.post_not_found), Snackbar.LENGTH_LONG)
.setAction(R.string.retry, e -> mListPostPresenter.loadLocalDatabase());
setSnackbarTextColor();
}
@Override
public void hideRetry() {
if (mSnackbar != null) {
mSnackbar.dismiss();
}
}
/**
* Change Snackbar text color to orange by finding the TextView associated with
* it. A bit of a hack to get this working as it doesn't come with a native API for doing this.
*/
private void setSnackbarTextColor() {
if (mSnackbar != null) {
View view = mSnackbar.getView();
TextView tv = (TextView) view.findViewById(android.support.design.R.id.snackbar_text);
tv.setTextColor(getAppContext().getResources().getColor(R.color.orange));
mSnackbar.show();
}
}
@Override
public void renderPostList(List<PostModel> postModel) {
if (!Utility.isCollectionEmpty(postModel)) {
mPostModelList = postModel;
mPostAdapter.setItems(postModel);
}
}
@Override
public void onItemClick(RecyclerView recyclerView, View view, int i) {
if (!Utility.isCollectionEmpty(mPostModelList)) {
final PostModel postModel = mPostModelList.get(i);
mLauncher.launchDetailPost(postModel._id, postModel.getTitle());
}
}
@Override
public void onItemLongClick(RecyclerView recyclerView, View view, int i) {
// Do nothing
}
@Override
public void showError(String s) {
Snackbar.make(getView(), s, Snackbar.LENGTH_LONG)
.setAction(R.string.retry, e -> mListPostPresenter.loadPostViaApi())
.setActionTextColor(getAppContext().getResources().getColor(R.color.orange)).show();
}
private void showLoginPrompt() {
Snackbar.make(getView().getRootView(), getString(R.string.not_logged_in),
Snackbar.LENGTH_LONG)
.setActionTextColor(getAppContext().getResources().getColor(R.color.orange))
.setAction(R.string.login, e -> mLauncher.launchLogin()).show();
}
@Override
public Context getAppContext() {
return getActivity().getApplicationContext();
}
private <C> C getListPostComponent(Class<C> componentType) {
return componentType.cast(((PostActivity) getActivity()).getListPostComponent());
}
}