com.ericfabreu.wearflashcards.adapters.StudySetAdapter.java Source code

Introduction

Here is the source code for com.ericfabreu.wearflashcards.adapters.StudySetAdapter.java

Source

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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.ericfabreu.wearflashcards.adapters;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;

import com.ericfabreu.wearflashcards.activities.SetOverviewActivity;
import com.ericfabreu.wearflashcards.fragments.CardViewFragment;
import com.ericfabreu.wearflashcards.utils.Constants;

import java.util.ArrayList;
import java.util.List;

/**
 * Generates CardViews for SetView.
 */
public class StudySetAdapter extends FragmentStatePagerAdapter {
    private List<CardViewFragment> cards = new ArrayList<>();
    private String mTableName, mTitle;
    private long mTableId;
    private ViewPager mPager;
    private Context mContext;

    public StudySetAdapter(FragmentManager fragmentManager, ViewPager viewPager, String tableName,
            List<String> terms, List<String> definitions, List<Boolean> stars, List<Long> ids, Context context,
            long tableId, String title) {
        super(fragmentManager);
        mTableName = tableName;
        mTitle = title;
        mTableId = tableId;
        mPager = viewPager;
        mContext = context;

        // Create all cards
        for (int i = 0, n = terms.size(); i < n; i++) {
            cards.add(newCard(terms.get(i), definitions.get(i), stars.get(i), ids.get(i), i));
        }
    }

    /**
     * Sends term and definition to CardViewFragment and creates a new card.
     */
    private CardViewFragment newCard(String term, String definition, boolean star, long id, int position) {
        Bundle bundle = new Bundle();
        bundle.putString(Constants.TAG_TABLE_NAME, mTableName);
        bundle.putString(Constants.TAG_TERM, term);
        bundle.putString(Constants.TAG_DEFINITION, definition);
        bundle.putBoolean(Constants.TAG_STAR, star);
        bundle.putLong(Constants.TAG_ID, id);
        CardViewFragment card = new CardViewFragment();
        card.setArguments(bundle);
        card.setPosition(position);
        card.setAdapter(this);
        return card;
    }

    @Override
    public Fragment getItem(int position) {
        return cards.get(position);
    }

    @Override
    public int getCount() {
        return cards.size();
    }

    public void deleteItem(int position) {
        // Go back to SetOverviewActivity if this is the last starred card
        if (cards.size() <= 1) {
            Intent intent = new Intent(mContext, SetOverviewActivity.class);
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            intent.putExtra(Constants.TAG_TABLE_NAME, mTableName);
            intent.putExtra(Constants.TAG_TITLE, mTitle);
            intent.putExtra(Constants.TAG_ID, mTableId);
            mContext.startActivity(intent);
        }
        mPager.setAdapter(null);
        cards.remove(position);

        // Update the position in the cards after the one being removed
        for (int i = position; i < cards.size(); i++) {
            cards.get(i).setPosition(i);
        }

        // Reset the adapter and go to the next card
        mPager.setAdapter(this);
        mPager.setCurrentItem(position);
    }
}