package com.test.sample;

import java.util.HashMap;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.Html;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ExpandableListAdapter;

public class SampleExpandableListAdapter extends BaseExpandableListAdapter
		implements ExpandableListAdapter {
	public Context context;
	CheckBox checkBox;
	private LayoutInflater vi;
	private String[][] data;
	int _objInt;
	public static Boolean checked[] = new Boolean[1];

	HashMap<Long, Boolean> checkboxMap = new HashMap<Long, Boolean>();
	HashMap<Integer, Boolean> m_checkboxMap = new HashMap<Integer, Boolean>();
	private static final int GROUP_ITEM_RESOURCE = R.layout.group_item;
	private static final int CHILD_ITEM_RESOURCE = R.layout.child_item;
	public String[] check_string_array;

	// Abhi
	private int mgroupPos = 0;
	private static ViewHolder holder;
	static int m_groupPosition = 0;

	public SampleExpandableListAdapter(Context context, Activity activity,
			String[][] data) {
		this.data = data;
		this.context = context;
		vi = (LayoutInflater) activity
				.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		_objInt = data.length;
		check_string_array = new String[_objInt];
		popolaCheckMap();
	}

	public void popolaCheckMap() {

		SharedPreferences settings = PreferenceManager
				.getDefaultSharedPreferences(context);
		String buffer = null;

		for (int i = 0; i < _objInt; i++) {
			buffer = settings.getString(String.valueOf((int) i), "false");
			if (buffer.equals("false"))
				checkboxMap.put((long) i, false);
			else
				checkboxMap.put((long) i, true);
		}
	}

	public class CheckListener implements OnCheckedChangeListener {
		long pos;
		int m_pos;

		public void setPosition(long p) {
			pos = p;
		}

		@Override
		public void onCheckedChanged(CompoundButton buttonView,
				boolean isChecked) {
			Log.i("checkListenerChanged",
					String.valueOf(pos) + ":" + String.valueOf(isChecked));
			checkboxMap.put(pos, isChecked);
			try {
				updateCheckbox();
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			if (isChecked == true)
				check_string_array[(int) pos] = "true";
			else
				check_string_array[(int) pos] = "false";
			// save checkbox state of each group
			
			SharedPreferences settings = PreferenceManager
					.getDefaultSharedPreferences(context);
			SharedPreferences.Editor preferencesEditor = settings.edit();
			preferencesEditor.putString(String.valueOf((int) pos),
					check_string_array[(int) pos]);
			preferencesEditor.commit();
		}
	}

	public String getChild(int groupPosition, int childPosition) {
		return data[groupPosition][childPosition];
	}

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

	public int getChildrenCount(int groupPosition) {
		mgroupPos = groupPosition;
		return data[groupPosition].length;
	}

	public View getChildView(int groupPosition, int childPosition,
			boolean isLastChild, View convertView, ViewGroup parent) {
		m_groupPosition = groupPosition; 
		View v = convertView;
		String child = getChild(groupPosition, childPosition);
		System.out.println("Abhi getChildView child: " + child);
		int id_res = 0;
		if (groupPosition == 0) {
			if (childPosition == 0)
				id_res = R.drawable.audi_a4;
			if (childPosition == 1)
				id_res = R.drawable.audi_q7;
			if (childPosition == 2)
				id_res = R.drawable.audi_r8;
		} else if (groupPosition == 1) {
			if (childPosition == 0)
				id_res = R.drawable.bmw_m6;
			if (childPosition == 1)
				id_res = R.drawable.bmw_x6;
		} else if (groupPosition == 2) {
			if (childPosition == 0)
				id_res = R.drawable.ferrari_enzo;
			if (childPosition == 1)
				id_res = R.drawable.ferrari_f430;
			if (childPosition == 2)
				id_res = R.drawable.ferrari_f430_italia;
		}

		if (child != null) {
			v = vi.inflate(CHILD_ITEM_RESOURCE, null);
			holder = new ViewHolder(v);
			holder.text.setText(Html.fromHtml(child));

			holder.imageview.setImageResource(id_res);
			// Abhi
			CheckListener checkL = new CheckListener();
			// checkL.setPosition(group_id);
			holder.checkbox.setOnCheckedChangeListener(checkL);
			// holder.checkbox.setChecked(checkboxMap.get(group_id));
			// Abhi

			if(checkboxMap.get((long)groupPosition) == true){
				holder.checkbox.setChecked(true);
			}else{
				holder.checkbox.setChecked(false);
			}
		}
		return v;
	}

	public String getGroup(int groupPosition) {
		return "group-" + groupPosition;
	}

	public int getGroupCount() {
		return data.length;
	}

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

	public View getGroupView(int groupPosition, boolean isExpanded,
			View convertView, ViewGroup parent) {
		View v = convertView;
		String group = null;
		int id_res = 0;
		long group_id = getGroupId(groupPosition);
		if (group_id == 0) {
			group = "Audi";
			id_res = R.drawable.audi;
		} else if (group_id == 1) {
			group = "BMW";
			id_res = R.drawable.bmw;
		} else if (group_id == 2) {
			group = "Ferrari";
			id_res = R.drawable.ferrari;
		}

		if (group != null) {
			v = vi.inflate(GROUP_ITEM_RESOURCE, null);
			ViewHolder holder = new ViewHolder(v);

			holder.text.setText(Html.fromHtml(group));
			holder.imageview.setImageResource(id_res);
			holder.checkbox.setFocusable(false);
			CheckListener checkL = new CheckListener();
			checkL.setPosition(group_id);
			holder.checkbox.setOnCheckedChangeListener(checkL);
			holder.checkbox.setChecked(checkboxMap.get(group_id));
			notifyDataSetChanged();
		}
		return v;
	}

	public boolean isChildSelectable(int groupPosition, int childPosition) {
		return true;
	}

	public boolean hasStableIds() {
		return true;
	}
	
	private void updateCheckbox(){
		System.out.println();
		if(checkboxMap.get((long)m_groupPosition) == true){
			holder.checkbox.setChecked(true);
		}else{
			holder.checkbox.setChecked(false);
		}
	}
}