ServiceCheckListAdapter.java

//*****************************************************************************
//    This file is part of CheckIn4Me.  Copyright � 2010  David Ivins
//
//    CheckIn4Me is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    CheckIn4Me is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with CheckIn4Me.  If not, see <http://www.gnu.org/licenses/>.
//*****************************************************************************
package com.davidivins.checkin4me.adapters;

import android.content.Context;
import android.graphics.Color;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import android.widget.CompoundButton.OnCheckedChangeListener;
import com.davidivins.checkin4me.core.GeneratedResources;
import com.davidivins.checkin4me.interfaces.ServiceInterface;

import java.util.HashMap;
import java.util.List;

/**
 * ServiceCheckListAdapter
 * 
 * @author david ivins
 */
public class ServiceCheckListAdapter extends ArrayAdapter<ServiceInterface> implements OnCheckedChangeListener
{
	//private static final String TAG = ServiceCheckListAdapter.class.getSimpleName();
	private Context context;
	private int row_resource_id;
	private List<ServiceInterface> items;
	
	private HashMap<Integer, Boolean> services_checked;

	/**
	 * ServiceCheckListAdapter
	 * 
	 * @param context
	 * @param row_resource_id
	 * @param items
	 */
	public ServiceCheckListAdapter(Context context, int row_resource_id, List<ServiceInterface> items)
	{
		super(context, row_resource_id, items);
		this.context = context;
		this.row_resource_id = row_resource_id;
		this.items = items;
		
		services_checked = new HashMap<Integer, Boolean>();
		for(ServiceInterface service : items)
		{
			services_checked.put(service.getId(), false);
		}
    }

	/**
	 * getView
	 * 
	 * @param position
	 * @param convert_view
	 * @param parent
	 * @return View
	 */
	@Override
	public View getView(int position, View convert_view, ViewGroup parent) 
	{
		// get view and current service
		View view = convert_view;
		ServiceInterface service = items.get(position);
		
		// inflate view
		if (view == null)
		{
			LayoutInflater layout_inflater = 
				(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
			view = layout_inflater.inflate(row_resource_id, null);
		}
		
		// if service exists
		if (service != null) 
		{
			// get views
			LinearLayout icon_and_name_layout = (LinearLayout)view.findViewById(GeneratedResources.getId("service_icon_and_name"));
			LinearLayout check_box_layout = (LinearLayout)view.findViewById(GeneratedResources.getId("service_checkbox"));
			
			// clean up
			icon_and_name_layout.removeAllViews();
			check_box_layout.removeAllViews();
			
			// create the icon portion
			ImageView icon = new ImageView(parent.getContext());
			icon.setImageResource(service.getIconDrawable());
			icon.setPadding(0, 0, 5, 0);
			
			// create the text portion
			TextView name = new TextView(parent.getContext());
			name.setText(service.getName());
			name.setTextColor(Color.BLACK);
			name.setTextSize(20);

			// create check box and determine user's default behavior for checking in with this service
			CheckBox check_box = new CheckBox(parent.getContext());
			boolean is_checked = false;
			if (service.getSettingsAsMap().containsKey(service.getName().toLowerCase() + "_check_in_default"))
			{
				is_checked = service.getSettingsAsMap().get(
						service.getName().toLowerCase() + "_check_in_default").getPrefValue();
				check_box.setChecked(is_checked);
			}
			
			// set the check box service id and the current state of the box
			check_box.setId(service.getId());
			services_checked.put(check_box.getId(), is_checked);
			
			// register for clicks
			check_box.setOnCheckedChangeListener(this);

			// set icon, name, and checkbox views
			icon_and_name_layout.addView(icon);
			icon_and_name_layout.addView(name);
			check_box_layout.addView(check_box);
			
			// center everything vertically
			name.setGravity(Gravity.CENTER_VERTICAL);
			icon_and_name_layout.setGravity(Gravity.CENTER_VERTICAL);
			check_box.setGravity(Gravity.CENTER_VERTICAL);
			check_box_layout.setGravity(Gravity.CENTER_VERTICAL);
		}
			
		return view;
    }

	/**
	 * onCheckedChanged
	 * 
	 * @param button_view
	 * @param is_checked
	 */
	public void onCheckedChanged(CompoundButton button_view, boolean is_checked) 
	{
		services_checked.put(button_view.getId(), is_checked);
	}
	
	/**
	 * getServicesChecked
	 * 
	 * @return HashMap<Integer, Boolean> services_checked
	 */
	public HashMap<Integer, Boolean> getServicesChecked()
	{
		return services_checked;
	}
}