safedispatch-mobile/libSafeMobile/src/main/java/com/safemobile/adapters/ZoneChannelComboBoxAdapter.java

package com.safemobile.adapters;

import java.util.ArrayList;

import com.safemobile.lib.R;
import com.safemobile.lib.radio.ZoneChannel;

import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class ZoneChannelComboBoxAdapter extends ArrayAdapter<ZoneChannel>{

	private static final int TYPE_ZONE = 0;
	private static final int TYPE_CHANNEL = 1;
	private static final int TYPE_MAX_COUNT = 2;
	
	
	private Context context;
	int layoutResourceId;
	private ArrayList<ZoneChannel> listValues;
	
    public ZoneChannelComboBoxAdapter(Context context, int textViewResourceId, ArrayList<ZoneChannel> listValues) {
    	super(context, textViewResourceId, listValues);
    	this.context = context;
    	this.layoutResourceId = textViewResourceId;
    	this.listValues = listValues;
    }

	@Override
	public View getDropDownView(int position, View convertView,	ViewGroup parent) {
		return getCustomView(position, convertView, parent);
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		return getCustomView(position, convertView, parent);
	}

	@Override
    public int getItemViewType(int position) {
        return listValues.get(position).isSection() ? TYPE_ZONE : TYPE_CHANNEL;
    }

    @Override
    public int getViewTypeCount() {
        return TYPE_MAX_COUNT;
    }
    
    @Override 
    public int getCount() {
    	return listValues.size();
    }
	
    @Override
    public ZoneChannel getItem(int position) {
    	return listValues.get(position);
    }
    
    @Override
    public long getItemId(int position) {
        return position;
    }
    
    @Override
    public boolean isEnabled(int position) {
        if(getItemViewType(position) == TYPE_ZONE)
            return false;
        return true;
    }
    
    
	public View getCustomView(int position, View convertView, ViewGroup parent) {
		ImagesSpinnerHolder holder = null;
		int type = getItemViewType(position);
		LayoutInflater inflater = ((Activity) context).getLayoutInflater();
		
		if(convertView == null) {
			holder = new ImagesSpinnerHolder();
			
			switch (type) {
			case TYPE_ZONE:
				convertView = inflater.inflate(R.layout.combobox_section_header, parent, false);
				holder.title = (TextView) convertView.findViewById(R.id.txtHeader);
				break;
				
			case TYPE_CHANNEL:
				convertView =  inflater.inflate(R.layout.combobox_row, parent, false);
				holder.textSpinner = (TextView)convertView.findViewById(R.id.text);
				holder.imgSpinner = (ImageView)convertView.findViewById(R.id.icon);
				holder.imgSpinner.setVisibility(View.GONE);
				break;

			}
			
			convertView.setTag(holder);
		}
		else 
			holder = (ImagesSpinnerHolder) convertView.getTag();
		
		switch(type) {
		case TYPE_ZONE:
			holder.title.setText(listValues.get(position).getZone().ZoneName);
			
			break;
		
		case TYPE_CHANNEL: 
				holder.textSpinner.setText(listValues.get(position).getChannel().chName);
				holder.imgSpinner.setImageResource(R.drawable.channel_small);
			break;
		}
		
		/*
		
		
		View row = convertView;
			
		
		if(row == null) {
			// check if section header -> isSection will return true
			if(sectionList.get(position))
			{
				row = inflater.inflate(R.layout.spinner_header, parent, false);
				holder.title = (TextView) row.findViewById(R.id.txtHeader);			
				holder.title.setText(listValues.get(position).getZone().ZoneName);
			}
			else 
			{
				row =  inflater.inflate(R.layout.spinner, parent, false);
				holder.textSpinner = (TextView)row.findViewById(R.id.language);
				holder.imgSpinner = (ImageView)row.findViewById(R.id.icon);
				holder.imgSpinner.setVisibility(View.INVISIBLE);
				
				holder.textSpinner.setText(listValues.get(position).getChannel().chName);
				holder.imgSpinner.setImageResource(R.drawable.channel_small);
			}
		
			row.setTag(holder);
		}
		else {
			
			holder = (ImagesSpinnerHolder)row.getTag();
			if(sectionList.get(position)){ 
				if(holder.title!= null)
					holder.title.setText(listValues.get(position).getZone().ZoneName);
			}
			else {
				if(holder.textSpinner!=null)
					holder.textSpinner.setText(listValues.get(position).getChannel().chName);
				if(holder.imgSpinner != null)
					holder.imgSpinner.setImageResource(R.drawable.channel_small);
			}
		}
		*/
    	return convertView;
    }
	
	private class ImagesSpinnerHolder {
		ImageView imgSpinner;
		TextView textSpinner;
		TextView title;
	}
	
}