//class where the listview shows
public static List<Wine> filterWinesString(Object filterItem)
	{
		List<Wine> winesFil = wines;
		for(Wine o : winesFil)
		{
			if(o.getColor().equals((String)filterItem)||o.getCountry().equals((String)filterItem)||o.getDescription().equals((String)filterItem)||o.getTaste().equals((String)filterItem)||
					o.getBiologic().equals(filterItem)||o.getSparkling().equals(filterItem)||filterItem.equals(o.getYear()))
			{
				filteredList.add((Wine) o);
			}
		}
		if(!filteredList.equals(null)||!filteredList.isEmpty())
		{
			setWines(filteredList);
		return getWines();
		}
		else{
			return getWines();
		}
	}

	public static void clearFilter()
	{
		filteredList.clear();
		setWines(winesCopy);
	}

	public static List<Wine> getWines() {
		return wines;
	}

	public static void setWines(List<Wine> wines) {
		ListWineView.wines = wines;
	}


//activity where the filtering input is from users.
btnSubmit.setOnClickListener(new OnClickListener() {

			  @Override
			  public void onClick(View v) {
				  if(!etLand.getText().equals(null))
				  {
				  ListWineView.filterWinesString(ListWineView.getWines(),etLand.getText().toString());
				  }
				  if(!etTaste.getText().equals(null)){
					  ListWineView.filterWinesString(ListWineView.getWines(),etTaste.getText().toString());
				  }
				  if(!etYear.getText().equals(null)){
					  ListWineView.filterWinesString(ListWineView.winesCopy,Integer.valueOf(etYear.getText().toString()));
					  //ListWineView.filterWinesString(ListWineView.getWines(), 1982);
				  }
				  if(cbBiologic.isChecked()){
					  ListWineView.filterWinesString(ListWineView.getWines(), "true");
				  }else{
					  ListWineView.filterWinesString(ListWineView.getWines(), "false");
				  }
				  if(cbMouserend.isChecked()){
					  ListWineView.filterWinesString(ListWineView.getWines(), "true");
				  }else{
					  ListWineView.filterWinesString(ListWineView.getWines(), "false");
				  }
				  if(spinner1.getSelectedItemId()!=0){
					  ListWineView.filterWinesString(ListWineView.getWines(),spinner1.getSelectedItem().toString());
				  }


				  ListWinesViewFilterActivity.this.finish();
			  }
		});