SelectPane

import javafx.scene.control.Label;
import javafx.scene.control.CheckBox;
import javafx.scene.layout.*;
import javafx.event.ActionEvent;	//**Need to import
import javafx.event.EventHandler;	//**Need to import
import java.util.ArrayList;
import java.util.List;

import javafx.collections.ObservableList;
import javafx.scene.Node;

public class SelectPane extends BorderPane
{
	//instance variables
	private ArrayList<Club> clubList;
	private List <CompareMethod> compare = new ArrayList<>();
	private ArrayList <String> list = new ArrayList<>();
	private Label numMembers, title;
	private TilePane newPane;
	private int members;


	//constructor
	public SelectPane(ArrayList<Club> list)
	{
		//initialize instance variables
		this.clubList = list;
		members = 0;
		this.newPane = new TilePane();
		this.title = new Label("Select some clubs");
		this.numMembers = new Label("The total number of members for the selected club(s) is: ");
		//set up the layout
		//----
		this.setBottom(numMembers);
		this.setTop(title);
		this.setLeft(newPane);

	} //end of constructor

	//This method uses the newly added parameter Club object
	//to create a CheckBox and add it to a pane created in the constructor
	//Such check box needs to be linked to its handler class
	public void updateClubList(Club newClub)
	{
		CheckBox checkBox = new CheckBox(newClub.toString());
		SelectionHandler sectionHandler = new SelectionHandler();
		checkBox.setOnAction(sectionHandler);
		compare.add(new CompareMethod(newClub, checkBox));
		checkBox.setId(newClub.getClubName());

		clubList.add(newClub);
		checkBox.setId(newClub.getClubName());
		newPane.setPrefColumns(compare.size());
		this.setLeft(newPane);
		this.newPane.getChildren().add(checkBox);

	}

	//create a SelectionHandler class
	private class SelectionHandler implements EventHandler<ActionEvent>
	{
		//Override the abstact method handle()
		public void handle(ActionEvent event)
		{
			//When any radio button is selected or unselected
			//the total number of members of selected clubs should be updated
			//and displayed using a label.
			ObservableList <Node> newlist = newPane.getChildren();
			for (int i = 0; i < newlist.size(); i++)
			{
				CheckBox createBox = (CheckBox) newlist.get(i);
				CompareMethod each = null;
				for (int j = 0; j < compare.size(); i++)
				{
					CompareMethod testBox = compare.get(j);
					if (testBox.getBox().getId().equalsIgnoreCase(createBox.getId()))
					{
						each = testBox;
					}
				}
				if (each == null)
				{
					continue;
				}

				if (each.getBox().getId().equalsIgnoreCase(createBox.getId()))
				{
					if (each.getBox().isSelected())
					{
						if (!(list.contains(each.getBox().getId())))
						{
							members += each.getClub().getNumberOfMembers();
							list.add(each.getBox().getId());
						} else {
							continue;
						}
					} else {
						if (list.contains(each.getBox().getId()))
						{
							members -= each.getClub().getNumberOfMembers();
							list.remove(each.getBox().getId());
						}
					}
				}
			}

		}
	} //end of SelectHandler class

	private class CompareMethod {
		private Club club;
		private CheckBox box;

		public CompareMethod(Club club, CheckBox box)
		{
			this.club = club;
			this.box = box;
		}

		public CheckBox getBox()
		{
			return box;
		}

		public Club getClub()
		{
			return club;
		}
	}
} //end of SelectPane class