TitleAndDateAdapter.java

package com.myMinistry.adapters;

import java.text.ParseException;
import java.util.Calendar;
import java.util.Locale;

import android.content.Context;
import android.database.Cursor;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import com.myMinistry.R;
import com.myMinistry.model.ItemWithDate;
import com.myMinistry.provider.MinistryContract.UnionsNameAsRef;
import com.myMinistry.provider.MinistryDatabase;
import com.myMinistry.provider.MinistryService;
import com.myMinistry.util.TimeUtils;
import com.squareup.phrase.Phrase;

public class TitleAndDateAdapter extends ArrayAdapter<ItemWithDate> {
	private static final int LAYOUT_CONTENT_ID = R.layout.li_item_spinner_item;
	private static final int LAYOUT_SEPARATOR_ID = R.layout.li_separator_item_spinner_item;
	
	private int separatorId = MinistryDatabase.CREATE_ID;
	private int leadingTextResId = 0;
	private Context context;
	
	private static final int ITEM_VIEW_TYPE_RECORD = 0;
    private static final int ITEM_VIEW_TYPE_SEPARATOR = 1;
    private static final int ITEM_VIEW_TYPE_COUNT = 2;
    
	public TitleAndDateAdapter(Context context) {
		super(context, 0);
	}
    
	public TitleAndDateAdapter(Context context, Cursor cursor, int leadingTextResId) {
		super(context, 0);
		this.leadingTextResId = leadingTextResId;
		this.context = context;
		loadNewData(cursor);
	}
	
	public void loadNewData(Cursor cursor) {
		this.clear();
		int activeId = -1;
		int firstActivePosition = -1;
		int firstInActivePosition = -1;
		int activeCount = 0;
		int inactiveCount = 0;
		if(cursor != null) {
			for(cursor.moveToFirst();!cursor.isAfterLast();cursor.moveToNext()) {
				if(cursor.getInt(cursor.getColumnIndex(UnionsNameAsRef.ACTIVE)) == MinistryService.ACTIVE)
					activeCount++;
				else
					inactiveCount++;
				
				if(cursor.getInt(cursor.getColumnIndex(UnionsNameAsRef.ACTIVE)) != activeId) {
					if(cursor.getInt(cursor.getColumnIndex(UnionsNameAsRef.ACTIVE)) == MinistryService.ACTIVE)
						firstActivePosition = cursor.getPosition();
					else
						firstInActivePosition = cursor.getPosition();
					
					activeId = cursor.getInt(cursor.getColumnIndex(UnionsNameAsRef.ACTIVE));
					addSeparatorItem(activeId == MinistryService.INACTIVE ? context.getResources().getString(R.string.form_is_inactive) : context.getResources().getString(R.string.form_is_active), cursor.getCount() - cursor.getPosition());
				}
				
				
				addItem( cursor.getInt(cursor.getColumnIndex(UnionsNameAsRef._ID))
						,cursor.getString(cursor.getColumnIndex(UnionsNameAsRef.TITLE))
						,cursor.getString(cursor.getColumnIndex(UnionsNameAsRef.DATE))
				);
			}
			
			if(firstActivePosition != -1) {
				getItem(firstActivePosition).setCount(activeCount);
			}
			
			if(firstInActivePosition != -1) {
				getItem(firstInActivePosition).setCount(inactiveCount);
			}
		}
	}
	
	public void addSeparatorItem(String title, int count) {
		addItem(new ItemWithDate(separatorId, title, count));
	}
	
	private String createDisplayDate(Calendar date) {
		return Phrase.from(context, leadingTextResId).put("date", DateUtils.formatDateTime(context, date.getTimeInMillis(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_WEEKDAY)).format().toString();
	}
	
	public void addItem(int id, String title, String date) {
		Calendar convertedDate = Calendar.getInstance(Locale.getDefault());
		if(!TextUtils.isEmpty(date)) {
			try {
				convertedDate.setTime(TimeUtils.dbDateFormat.parse(date));
			} catch (ParseException e) {
				e.printStackTrace();
			}
		}
		addItem(new ItemWithDate(id, title, !TextUtils.isEmpty(date) ? createDisplayDate(convertedDate) : context.getResources().getString(R.string.no_activity)));
	}
	
	private void addItem(ItemWithDate itemModel) {
		add(itemModel);
	}
	
	public void setTitle(String title, int position) {
		getItem(position).setTitle(title);
	}
	
	@Override
	public long getItemId(int position) {
		return getItem(position).getID();
	}

    @Override
    public int getViewTypeCount() {
        return ITEM_VIEW_TYPE_COUNT;
    }

    @Override
    public int getItemViewType(int position) {
        return (getItem(position).getID() == separatorId) ? ITEM_VIEW_TYPE_SEPARATOR : ITEM_VIEW_TYPE_RECORD;
    }

    @Override
    public boolean isEnabled(int position) {
        return getItemViewType(position) != ITEM_VIEW_TYPE_SEPARATOR; // A separator cannot be clicked !
    }
	
	public static class ViewHolder {
		public final TextView menurow_title;
		public final TextView menurow_count;
		public final TextView activity;
		
		public ViewHolder(TextView text1, TextView count, TextView activity) {
			this.menurow_title = text1;
			this.menurow_count = count;
			this.activity = activity;
		}
	}
	
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		final int type = getItemViewType(position);
		ViewHolder holder = null;
		
		if (convertView == null) {
        	convertView = LayoutInflater.from(getContext()).inflate(type == ITEM_VIEW_TYPE_SEPARATOR ? LAYOUT_SEPARATOR_ID : LAYOUT_CONTENT_ID, parent, false);
        	TextView text1 = (TextView) convertView.findViewById(R.id.menurow_title);
        	TextView tvCount = (TextView) convertView.findViewById(R.id.menurow_count);
        	TextView tvActivity = (TextView) convertView.findViewById(R.id.activity);
        	convertView.setTag(new ViewHolder(text1, tvCount, tvActivity));
        }
        
		if(holder == null && convertView != null) {
			Object tag = convertView.getTag();
			if (tag instanceof ViewHolder)
				holder = (ViewHolder) tag;
		}
		
		holder.menurow_title.setText(getItem(position).toString());
		if(type == ITEM_VIEW_TYPE_SEPARATOR) {
			holder.menurow_count.setText(getItem(position).getCount());
		} else {
			holder.activity.setText(getItem(position).getDate());
		}
		
		return convertView;
	}
}