PickerViewGenerator.java

package com.num.ui.viewgenerator;
import java.util.ArrayList;

import com.num.activities.GraphActivity;
import com.num.database.DatabasePicker;
import com.num.database.datasource.LatencyDataSource;
import com.num.database.mapping.LatencyMapping;
import com.num.graph.PingGraph;
import com.num.models.Model;
import com.num.models.Ping;
import com.num.models.Row;
import com.num.R;
import com.num.Values;

import android.content.Context;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

public class PickerViewGenerator extends ViewGenerator{

	ViewHolder holder;
	final DatabasePicker picker;
	String column;
	ArrayList<String> items;
	ArrayList<String> displayitems;

	public PickerViewGenerator(DatabasePicker picker,String column) {
		super(R.layout.cell_view_spinner);
		this.picker = picker;
		this.column = column;
		holder = new ViewHolder();
	}

	@Override
	public ViewHolder fillViewHolder(View view, LayoutInflater inflater) {

		holder.spinner = (Spinner) view.findViewById(R.id.choose);
		holder.first = (TextView) view.findViewById(R.id.key);
		holder.second = (TextView) view.findViewById(R.id.value);
		holder.imageview = (ImageView) view.findViewById(R.id.edit);

		return holder;
	}
	@Override
	public void populateView(Row item,final Context context,View view) {


		holder.first.setText(picker.getDisplayName(column));


		items = picker.datasource.getDistinctValues(column);

		displayitems = new ArrayList<String>();
		
		int initialSelection = 0;
		
		int count = 0;
		for(String str : items) {
			if(str.equals(picker.get(column))) {
				initialSelection = count;				
			}
			displayitems.add(makeStringUppercase(str));
			count++;
		}
		

		ArrayAdapter<String> adapter = 
				new ArrayAdapter<String> (context, 
						R.layout.spinner_text,displayitems);
		adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
		holder.spinner.setAdapter(adapter);		
		
		holder.spinner.setSelection(initialSelection);
		
		holder.imageview.setOnClickListener(new View.OnClickListener() {
			
			public void onClick(View v) {
				 holder.spinner.performClick();				
			}
		});
		
		holder.spinner.setOnItemSelectedListener(new OnItemSelectedListener() {
			public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
				int pos = holder.spinner.getSelectedItemPosition();
				picker.updateFilter(column, items.get(pos));
				holder.second.setText(displayitems.get(pos));
				
			}

			public void onNothingSelected(AdapterView<?> arg0) {
			}
		});

	}

	private String makeStringUppercase(String s) {

		final StringBuilder result = new StringBuilder(s.length());
		String[] words = s.split("\\s");
		for(int i=0,l=words.length;i<l;++i) {
			if(i>0) result.append(" ");      
			result.append(Character.toUpperCase(words[i].charAt(0)))
			.append(words[i].substring(1));

		}
		return result.toString();
	}


}