ExpandListAdapter

package com.sentaca.android.accordion.adapter;

import java.util.ArrayList;

import android.app.Activity;
import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.TextView;

import com.sentaca.android.accordion.R;
import com.sentaca.android.accordion.classes.ExpandListChild;
import com.sentaca.android.accordion.classes.ExpandListGroup;

public abstract class ExpandListAdapter extends BaseExpandableListAdapter {
    private Context context;
    private ArrayList<ExpandListGroup> groups;
    private Activity parent;

    /**
     * Abstract function that will be implemented in the sub classes
     */
    public abstract View getChildView(int groupPosition, int childPosition, boolean isLastChild, View view, ViewGroup parent);

    public ExpandListAdapter(Context context, ArrayList<ExpandListGroup> groups) {
        this.context = context;
        this.groups = groups;
        parent = (Activity) context;
    }

    public void addItem(ExpandListChild item, ExpandListGroup group) {
        //If it doesn't exist. Add it to the list.
        if (!groups.contains(group)) {
            groups.add(group);
            group.setItems(new ArrayList<ExpandListChild>());
        }

        //Then grab the index of the group that you just added.
        int index = groups.indexOf(group);

        //Update the groups list of items
        ArrayList<ExpandListChild> ch = groups.get(index).getItems();
        ch.add(item);
        groups.get(index).setItems(ch);
    }

    public ExpandListChild getChild(int groupPosition, int childPosition) {
        ArrayList<ExpandListChild> chList = groups.get(groupPosition).getItems();
        return chList.get(childPosition);
    }

    public long getChildId(int groupPosition, int childPosition) {
        return childPosition;
    }

    public int getChildrenCount(int groupPosition) {
        ArrayList<ExpandListChild> chList = groups.get(groupPosition).getItems();

        return chList.size();
    }

    public Object getGroup(int groupPosition) {
        return groups.get(groupPosition);
    }

    public int getGroupCount() {
        return groups.size();
    }

    public long getGroupId(int groupPosition) {
        return groupPosition;
    }

    public View getGroupView(int groupPosition, boolean isLastChild, View view, ViewGroup parent) {
        ExpandListGroup group = (ExpandListGroup) getGroup(groupPosition);

        if (view == null) {
            LayoutInflater inf = (LayoutInflater) context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
            view = inf.inflate(R.layout.expandlist_group_item, null);
        }

        Log.d("MyDebugStatements", group.getName());

        //Change the groups name to the appropriate string to be displayed
        TextView tv = (TextView) view.findViewById(R.id.tvGroup);
        tv.setText(group.getName());
        return view;
    }

    public boolean hasStableIds() {
        return true;
    }

    public boolean isChildSelectable(int arg0, int arg1) {
        return true;
    }
}