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

package com.safemobile.adapters;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Hashtable;

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

import com.safemobile.lib.Msg;
import com.safemobile.lib.R;
import com.safemobile.lib.SM;

public class ConversationGridViewAdapter extends BaseAdapter
{
	private ArrayList<Msg> listMessages;
	private Activity activity;
	//public String time;
	private ArrayList<Boolean> dispatcher_positions = new ArrayList<Boolean>();
	private ArrayList<Boolean> ackPositions = new ArrayList<Boolean>();
	private Hashtable<Integer, View> hash = new Hashtable<Integer, View>(); 
	
	
	public ConversationGridViewAdapter(Activity activity, ArrayList<Msg> listMessages, Context context, long sc_id, int unit_type, ArrayList<Boolean> dispatcher_positions, ArrayList<Boolean> ackPositions) {
		this.activity = activity;
		this.listMessages = listMessages;
		this.dispatcher_positions = dispatcher_positions;
		this.ackPositions = ackPositions; 
	}
	
	@Override
	public int getCount() {
		return listMessages.size();
	}

	@Override
	public Msg getItem(int position) {
		return listMessages.get(position);
	}

	@Override
	public long getItemId(int position) {
		return 0;
	}

	public static class ViewHolder
	{
		public ImageView imgViewContact;
		public TextView txtViewMsg;
		public TextView txtViewDateTime;
		public ImageView imgViewReceivedContact;
		public TextView txtViewReceivedMsg;
		public TextView txtViewReceivedDateTime;
		public ImageView imageAck;
		public TextView textViewNotACK;
		public LinearLayout layoutSend;
		public LinearLayout layoutReceived;
	}
	
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		ViewHolder view;
		LayoutInflater inflator = activity.getLayoutInflater();
		
		if(convertView==null)
		{
			view = new ViewHolder();
			convertView = inflator.inflate(R.layout.row_conversation, null);
			
			view.imgViewContact = (ImageView) convertView.findViewById(R.id.imageViewSenderIco);
			view.txtViewMsg = (TextView) convertView.findViewById(R.id.textViewSendMsg);
			view.txtViewDateTime = (TextView) convertView.findViewById(R.id.textViewSendDate);
			view.imgViewReceivedContact = (ImageView) convertView.findViewById(R.id.imageViewReceivedIco);
			view.txtViewReceivedMsg = (TextView) convertView.findViewById(R.id.textViewReceivedMsg);
			view.txtViewReceivedDateTime = (TextView) convertView.findViewById(R.id.textViewReceivedDate);
			view.layoutSend = (LinearLayout) convertView.findViewById(R.id.layoutSend);
			view.layoutReceived = (LinearLayout) convertView.findViewById(R.id.layoutReceived);
			view.textViewNotACK = (TextView) convertView.findViewById(R.id.textViewNotACKSendMsg);
			view.imageAck = (ImageView) convertView.findViewById(R.id.imageAck);
			
			convertView.setTag(view);
		}
		else
		{
			view = (ViewHolder) convertView.getTag();
		}
		try
		{
			hash.put(position, convertView);
			
			SimpleDateFormat sdf = new SimpleDateFormat("HH:mm MMM-dd");
			Calendar calendar = Calendar.getInstance();
			calendar.set(Calendar.HOUR_OF_DAY,0);
			calendar.set(Calendar.MINUTE, 0);
			calendar.set(Calendar.SECOND, 0);
			calendar.set(Calendar.MILLISECOND, 0);
			if(listMessages.get(position).received.after(calendar.getTime()))
				sdf = new SimpleDateFormat("HH:mm:ss");
			else
				sdf = new SimpleDateFormat("HH:mm MMM-dd");
		
		
			//view.imgViewContact.setImageResource(getIcon(listMessages.get(position).from.user_type));
			view.imgViewContact.setImageResource(R.drawable.peoplegreen_large);
			view.txtViewMsg.setText(listMessages.get(position).message);
			view.txtViewDateTime.setText(sdf.format(listMessages.get(position).received));
			//view.imgViewReceivedContact.setImageResource(getIcon(listMessages.get(position).from.user_type));
			view.imgViewReceivedContact.setImageResource(listMessages.get(position).from.getLargeIcon());
			view.txtViewReceivedMsg.setText(listMessages.get(position).message);
			view.txtViewReceivedDateTime.setText(sdf.format(listMessages.get(position).received));
			
			if(ackPositions.size() > 0)
				switch(ackPositions.get(position) ? 1: 0) {
				case 0:
					// show not ack
					view.textViewNotACK.setVisibility(View.VISIBLE);
					view.imageAck.setVisibility(View.VISIBLE);
					break;
				case 1:
					// show not ack
					view.textViewNotACK.setVisibility(View.INVISIBLE);
					view.imageAck.setVisibility(View.INVISIBLE);
				}
			
			switch(dispatcher_positions.get(position) ? 1 : 0) {
		    case 1:
		    	view.layoutReceived.setVisibility(View.GONE);
		    	view.layoutSend.setVisibility(View.VISIBLE);
		        break;
		    case 0:
		    	view.layoutReceived.setVisibility(View.VISIBLE);
		    	view.layoutSend.setVisibility(View.GONE);
		        break;
		    }
		}
		catch(Exception ex)
		{
			SM.Exception(ex.toString());
		}
		return convertView;
	}
	
	public void setACK(String seqID)
	{
		int position = -1, i=0;
		
		for(Msg msg: listMessages)
		{
			if(msg.seqID.equals(seqID))
				position = i;
			
			i++;
		}
			
		if(position > -1 && position < ackPositions.size()) {
			ackPositions.remove(position);
			ackPositions.add(position, true);
		}
	}
	
	public void changeView(String seqID)
	{
		int position = -1, i=0;
		
		for(Msg msg: listMessages)
		{
			if(msg.seqID.equals(seqID))
				position = i;
			
			i++;
		}
			
		if(position != -1 && hash.size() > position)
		{
			SM.Debug("POSITON : " + position);
			View con = hash.get(position);
			ViewHolder view = (ViewHolder) con.getTag();
			
			switch(ackPositions.get(position) ? 1 : 0)
			{
				case 1:
					view.imageAck.setVisibility(View.INVISIBLE);
					view.textViewNotACK.setVisibility(View.INVISIBLE);
					break;
				case 0:
					view.imageAck.setVisibility(View.VISIBLE);
					view.textViewNotACK.setVisibility(View.VISIBLE);
					break;
			}
		}
	}
}