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package com.mapswithme.maps.base;
import android.content.Context;
import android.os.Bundle;
import androidx.annotation.CallSuper;
import androidx.annotation.LayoutRes;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.appcompat.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.mapswithme.maps.R;
import com.mapswithme.maps.widget.PlaceholderView;
import com.mapswithme.util.UiUtils;
import com.mapswithme.util.Utils;
public abstract class BaseMwmRecyclerFragment<T extends RecyclerView.Adapter> extends Fragment
{
private Toolbar mToolbar;
@SuppressWarnings("NullableProblems")
@NonNull
private RecyclerView mRecycler;
@Nullable
private PlaceholderView mPlaceholder;
@SuppressWarnings("NullableProblems")
@NonNull
private T mAdapter;
@NonNull
protected abstract T createAdapter();
@LayoutRes
protected int getLayoutRes()
{
return R.layout.fragment_recycler;
}
@NonNull
protected T getAdapter()
{
return mAdapter;
}
@Override
public void onAttach(Context context)
{
super.onAttach(context);
Utils.detachFragmentIfCoreNotInitialized(context, this);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
return inflater.inflate(getLayoutRes(), container, false);
}
@CallSuper
@Override
public void onViewCreated(View view, Bundle savedInstanceState)
{
super.onViewCreated(view, savedInstanceState);
mToolbar = view.findViewById(R.id.toolbar);
if (mToolbar != null)
{
UiUtils.showHomeUpButton(mToolbar);
mToolbar.setNavigationOnClickListener(v -> Utils.navigateToParent(getActivity()));
}
mRecycler = view.findViewById(R.id.recycler);
if (mRecycler == null)
throw new IllegalStateException("RecyclerView not found in layout");
LinearLayoutManager manager = new LinearLayoutManager(view.getContext());
manager.setSmoothScrollbarEnabled(true);
mRecycler.setLayoutManager(manager);
mAdapter = createAdapter();
mRecycler.setAdapter(mAdapter);
mPlaceholder = view.findViewById(R.id.placeholder);
setupPlaceholder(mPlaceholder);
}
public Toolbar getToolbar()
{
return mToolbar;
}
public RecyclerView getRecyclerView()
{
return mRecycler;
}
@NonNull
public PlaceholderView requirePlaceholder()
{
if (mPlaceholder != null)
return mPlaceholder;
throw new IllegalStateException("Placeholder not found in layout");
}
@Override
public void onResume()
{
super.onResume();
org.alohalytics.Statistics.logEvent("$onResume", this.getClass().getSimpleName()
+ ":" + UiUtils.deviceOrientationAsString(getActivity()));
}
@Override
public void onPause()
{
super.onPause();
org.alohalytics.Statistics.logEvent("$onPause", this.getClass().getSimpleName());
}
protected void setupPlaceholder(@Nullable PlaceholderView placeholder) {}
public void setupPlaceholder()
{
setupPlaceholder(mPlaceholder);
}
public void showPlaceholder(boolean show)
{
if (mPlaceholder != null)
UiUtils.showIf(show, mPlaceholder);
}
}
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