TSTU-Student-App-Android/app/src/main/java/ru/defend/defdevteam/tstu/NewsItemList.java

package ru.defend.defdevteam.tstu;

import android.os.Build;
import android.util.Log;
import android.view.View;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by itsmy on 13.02.2017.
 */

public class NewsItemList {
    private HashMap<Integer, NewsItemGroup> hashMap;

    NewsItemList() {
        hashMap = new HashMap<>();
    }

    public NewsItemGroup[] toArray() {
        int counter = 0;
        NewsItemGroup[] array = new NewsItemGroup[size()];
        for (Map.Entry<Integer, NewsItemGroup> entry: hashMap.entrySet()) {
            array[counter] = entry.getValue();
            counter++;
        }
        return array;
    }

    public int size() {
        return hashMap.size();
    }

    public void add(NewsItemGroup group) {
        int viewId = getViewId();
        group.setViewID(viewId);
        this.hashMap.put(viewId, group);
    }

    public int getViewId() {
        int viewId;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
            viewId = View.generateViewId();
            Log.i("Generated view id", Integer.toString(viewId));
        } else {
            viewId = -1;
        }
        return viewId;
    }

    public void clear() {
        this.hashMap.clear();
    }

    public NewsItemGroup getGroupByViewId(int viewId) {
        return this.hashMap.get(viewId);
    }
}