package io.jari.dumpert.fragments;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.AlertDialog;
import android.app.Fragment;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.annotation.Nullable;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.nispok.snackbar.Snackbar;
import com.nispok.snackbar.listeners.ActionClickListener;
import io.jari.dumpert.R;
import io.jari.dumpert.Utils;
import io.jari.dumpert.adapters.CardAdapter;
import io.jari.dumpert.animators.SlideInOutBottomItemAnimator;
import io.jari.dumpert.api.API;
import io.jari.dumpert.api.Item;
/**
* JARI.IO
* Date: 15-1-15
* Time: 14:05
*/
public class ListingFragment extends Fragment {
View main;
public SharedPreferences preferences;
RecyclerView recyclerView;
SwipeRefreshLayout swipeRefreshLayout;
private boolean loading = false;
int pastVisibleItems, visibleItemCount, totalItemCount;
int page = 1;
String currentPath;
/**
* Return the listing path
* @return listing path
*/
public String getCurrentPath() {
return null;
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
currentPath = getCurrentPath();
preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
//use activity inflater rather than our own inflator due to android supportv4 bug
main = inflater.inflate(R.layout.main, container, false);
swipeRefreshLayout = (SwipeRefreshLayout) main.findViewById(R.id.swiperefresh);
swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
swipeRefreshLayout.setRefreshing(true);
if(cardAdapter != null) cardAdapter.removeAll();
loadData(true, currentPath);
page = 0;
}
});
recyclerView = (RecyclerView) main.findViewById(R.id.recycler);
// use this setting to improve performance if you know that changes
// in content do not change the layout size of the RecyclerView
recyclerView.setHasFixedSize(true);
recyclerView.setItemAnimator(new SlideInOutBottomItemAnimator(recyclerView));
// use a linear layout manager
final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getActivity());
recyclerView.setLayoutManager(linearLayoutManager);
recyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
visibleItemCount = linearLayoutManager.getChildCount();
totalItemCount = linearLayoutManager.getItemCount();
pastVisibleItems = linearLayoutManager.findFirstVisibleItemPosition();
if (!loading && (visibleItemCount + pastVisibleItems) >= totalItemCount) {
page++;
addData(page, currentPath);
loading = true;
}
}
});
this.loadData(false, currentPath);
return main;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
Snackbar offlineSnackbar;
boolean offlineSnackDismissed = false;
public void offlineSnack() {
if(getActivity() == null) return;
if (Utils.isOffline(getActivity())) {
((ActionBarActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.cached_version);
if (offlineSnackDismissed) return;
if (offlineSnackbar != null && offlineSnackbar.isShowing()) offlineSnackbar.dismiss();
offlineSnackbar = Snackbar.with(getActivity()).text(getResources().getString(R.string.tip_offline))
.duration(999999999)
.animation(false)
.swipeToDismiss(false)
.actionLabel(R.string.tip_close)
.actionListener(new ActionClickListener() {
@Override
public void onActionClicked(Snackbar snackbar) {
offlineSnackDismissed = true;
}
});
offlineSnackbar.show(getActivity());
} else {
if(((ActionBarActivity)getActivity()).getSupportActionBar().getSubtitle() == getResources().getString(R.string.cached_version)) {
((ActionBarActivity)getActivity()).getSupportActionBar().setSubtitle("");
}
if (offlineSnackDismissed) return;
if (offlineSnackbar != null && offlineSnackbar.isShowing()) offlineSnackbar.dismiss();
}
}
CardAdapter cardAdapter;
public void loadData(final boolean refresh, final String path) {
this.offlineSnack();
new Thread(new Runnable() {
@Override
public void run() {
try {
final Item[] items = API.getListing(getActivity(), path);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
cardAdapter = new CardAdapter(new Item[0], getActivity());
recyclerView.setAdapter(cardAdapter);
if (refresh) {
swipeRefreshLayout.setRefreshing(false);
cardAdapter.removeAll();
}
cardAdapter.addItems(items);
}
});
} catch (Exception e) {
errorSnack(e);
e.printStackTrace();
}
finally {
try {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
if (refresh)
swipeRefreshLayout.setRefreshing(false);
else dismissLoader();
}
});
}
catch(Exception e) {
e.printStackTrace();
}
}
}
}).start();
}
public void dismissLoader() {
final View prog = main.findViewById(R.id.progressBar);
prog.animate().alpha(0f).setDuration(500).setListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
prog.setVisibility(View.GONE);
}
});
}
public void errorSnack(final Exception e) {
if(getActivity() == null) return;
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
Snackbar.with(getActivity())
.text(R.string.items_failed)
.textColor(Color.parseColor("#FFCDD2"))
.actionLabel(R.string.moreinfo)
.duration(10000)
.actionListener(new ActionClickListener() {
@Override
public void onActionClicked(Snackbar snackbar) {
new AlertDialog.Builder(getActivity())
.setTitle(R.string.moreinfo)
.setMessage(e.getClass().getName() + " " + e.getMessage())
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
})
.create()
.show();
}
})
.show(getActivity());
}
});
}
public void addData(final Integer page, final String path) {
this.offlineSnack();
new Thread(new Runnable() {
@Override
public void run() {
try {
final Item[] items = API.getListing(page, getActivity(), path);
if (items.length == 0) ListingFragment.this.page--; //if API returned nothing, put page number back
loading = false;
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
cardAdapter.addItems(items);
}
});
} catch (Exception e) {
ListingFragment.this.page--;
errorSnack(e);
e.printStackTrace();
}
}
}).start();
}
}