Proyectos de Subversion Android Microlearning

package com.cesams.twogetskills.fragment;

import android.os.Bundle;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageButton;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;

import androidx.fragment.app.Fragment;

import androidx.lifecycle.LifecycleOwner;

import androidx.lifecycle.Observer;

import androidx.lifecycle.ViewModelProvider;

import androidx.viewpager2.widget.ViewPager2;

import com.cesams.twogetskills.R;

import com.cesams.twogetskills.adapter.GalleryViewPageAdapter;

import com.cesams.twogetskills.dao.ProgressDao;

import com.cesams.twogetskills.dao.SlideDao;

import com.cesams.twogetskills.entity.Progress;

import com.cesams.twogetskills.entity.Slide;

import com.cesams.twogetskills.skeleton.ITwoGetSkills;

import com.cesams.twogetskills.transformer.ZoomOutPageTransformer;

import com.cesams.twogetskills.viewmodel.GalleryViewModel;

import com.wajahatkarim3.easyflipviewpager.BookFlipPageTransformer2;

import java.util.List;

import java.util.ArrayList;

//IResultActivity

public class GalleryFragment extends Fragment implements LifecycleOwner {

    private final String TAG = "C2GS - GalleryFragment";

    private ViewPager2 viewPager2;

    private ImageButton mButtonNext;

    private ImageButton mButtonPrevious;

    private GalleryViewPageAdapter adapter;

    private ITwoGetSkills iTwoGetSkills;

    private GalleryViewModel mGalleryViewModel;

    @Override

    public void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setHasOptionsMenu(true);

    }

    @Override

    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {

        super.onCreateOptionsMenu(menu, inflater);

        menu.clear();

    }

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        return inflater.inflate(R.layout.fragment_gallery, container, false);

    }

    @Override

    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {

        super.onViewCreated(view, savedInstanceState);

        iTwoGetSkills = (ITwoGetSkills) getActivity();

        mGalleryViewModel = new ViewModelProvider(requireActivity()).get(GalleryViewModel.class);

        adapter = new GalleryViewPageAdapter(getActivity(), mGalleryViewModel.getSlideArrayList());

        viewPager2 = (ViewPager2) getView().findViewById(R.id.fragment_gallery_viewpager2);

        viewPager2.setAdapter(adapter);

        // Create an object of page transformer

        BookFlipPageTransformer2 bookFlipPageTransformer = new BookFlipPageTransformer2();

        // Enable / Disable scaling while flipping. If true, then next page will scale in (zoom in). By default, its true.

        bookFlipPageTransformer.setEnableScale(false);

        // The amount of scale the page will zoom. By default, its 5 percent.

        //bookFlipPageTransformer.setScaleAmountPercent(10f);

        // Assign the page transformer to the ViewPager2.

        viewPager2.setPageTransformer(bookFlipPageTransformer);

        Observer<ArrayList<Slide>> slideArrayListUpdateObserver = new Observer<ArrayList<Slide>>() {

            @Override

            public void onChanged(ArrayList<Slide> slideArrayList) {

                adapter.notifyItemChanged(viewPager2.getCurrentItem());

            }

        };

        mGalleryViewModel.getSlideMutableLiveData().observe(requireActivity(),slideArrayListUpdateObserver);

        mButtonNext = (ImageButton) getView().findViewById(R.id.fragment_gallery_button_next);

        mButtonNext.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Log.d("Gallery ViewPager2", "CurrentItem = " + viewPager2.getCurrentItem()  );

                if(viewPager2.getCurrentItem() < (mGalleryViewModel.getSlideArrayList().size() - 1)) {

                    viewPager2.setCurrentItem(viewPager2.getCurrentItem() + 1);

                }

            }

        });

        mButtonPrevious = (ImageButton) getView().findViewById(R.id.fragment_gallery_button_previous);

        mButtonPrevious.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Log.d("Gallery ViewPager2", "CurrentItem = " + viewPager2.getCurrentItem()  );

                if(viewPager2.getCurrentItem() > 0 && mGalleryViewModel.getSlideArrayList().size() > 0 ) {

                    viewPager2.setCurrentItem(viewPager2.getCurrentItem() - 1 );

                }

            }

        });

       // viewPager2.setPageTransformer(new ZoomOutPageTransformer());

        viewPager2.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {

            @Override

            public void onPageSelected(int position) {

                super.onPageSelected(position);

                Log.d(TAG, "registerOnPageChangeCallback");

                Slide mItem = mGalleryViewModel.getSlideArrayList().get(position);

                iTwoGetSkills.setTitleActionBar(mItem.getName());

                iTwoGetSkills.changeSlideActive(mItem.getUuid(), mItem.getType(), false);

                loadData(true);

            }

        });

    }

    @Override

    public void onResume() {

        super.onResume();

        iTwoGetSkills.getPreference().save(requireActivity());

        Log.d(TAG, "onResume");

        loadData(true);

    }

    @Override

    public void onHiddenChanged(boolean hidden) {

        super.onHiddenChanged(hidden);

        iTwoGetSkills.getPreference().save(requireActivity());

        Log.d(TAG, "onHiddenChanged : " + (hidden ? "true" : "false"));

        if(!hidden) {

            loadData(true);

        }

    }

    private void loadData(boolean setValue) {

        SlideDao slideDao = iTwoGetSkills.getDatabase().getSlideDao();

        List<Slide> dbSlides = slideDao.selectAllByCapsuleUuid(iTwoGetSkills.getCapsuleUuidActive());

        Progress progress;

        ProgressDao progressDao = iTwoGetSkills.getDatabase().getProgressDao();

        boolean showFinish = false;

        progress = progressDao.selectByTopicUuid(iTwoGetSkills.getTopicUuidActive());

        if(progress != null) {

            showFinish = progress.getProgress() >= 100 && progress.getCompleted() == 0;

        }

        if(!showFinish) {

            progress = progressDao.selectByCapsuleUuid(iTwoGetSkills.getCapsuleUuidActive());

            if(progress != null) {

                showFinish = progress.getProgress() >= 100 && progress.getCompleted() == 0;

            }

        }

        mGalleryViewModel.getSlideArrayList().clear();

        int i = 0;

        int position = 0;

        Slide slide;

        for(Slide dbSlide :dbSlides)

        {

            slide = new Slide();

            slide.setTopicUuid(dbSlide.getTopicUuid());

            slide.setCapsuleUuid(dbSlide.getCapsuleUuid());

            slide.setQuizUuid(dbSlide.getQuizUuid());

            slide.setUuid(dbSlide.getUuid());

            slide.setName(dbSlide.getName());

            slide.setDescription(dbSlide.getDescription());

            slide.setType(dbSlide.getType());

            slide.setFile(dbSlide.getFile());

            slide.setBackground(dbSlide.getBackground());

            slide.setPosition(dbSlide.getPosition());

            if(slide.getUuid().equals(iTwoGetSkills.getSlideUuidActive())) {

                position = i;

            }

            progress = progressDao.selectBySlideUuid(slide.getUuid());

            if(progress != null) {

                slide.setCompleted(progress.getCompleted());

            } else {

                slide.setCompleted(0);

            }

            slide.setShowFinish(showFinish);

            i++;

            mGalleryViewModel.getSlideArrayList().add(slide);

        }

        Log.d(TAG, "slide position : " + position);

        iTwoGetSkills.setTitleActionBar(mGalleryViewModel.getSlideArrayList().get(position).getName());

        viewPager2.setCurrentItem(position, false);

        if(setValue) {

            mGalleryViewModel.getSlideMutableLiveData().setValue(mGalleryViewModel.getSlideArrayList());

        } else {

            mGalleryViewModel.getSlideMutableLiveData().postValue(mGalleryViewModel.getSlideArrayList());

        }

    }

}