DataWaveformHandler.java

package wf.util;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import wf.model.Waveform;

public class DataWaveformHandler {

	private static final DataWaveformHandler INSTANCE = new DataWaveformHandler();

	//private final Map<Integer, ObservableList<Waveform>> ch1wf_map = new HashMap<Integer, ObservableList<Waveform>>();
    //private final Map<Integer, ObservableList<Waveform>> ch2wf_map = new HashMap<Integer, ObservableList<Waveform>>();
    //private final Map<Integer, ObservableList<Waveform>> ch3wf_map = new HashMap<Integer, ObservableList<Waveform>>();
    //private final Map<Integer, ObservableList<Waveform>> ch4wf_map = new HashMap<Integer, ObservableList<Waveform>>();

	private static ObservableList<Waveform> ch1wf = FXCollections.observableArrayList();
	private static ObservableList<Waveform> ch2wf = FXCollections.observableArrayList();
	private static ObservableList<Waveform> ch3wf = FXCollections.observableArrayList();
	private static ObservableList<Waveform> ch4wf = FXCollections.observableArrayList();

	private static List<ObservableList<Waveform>> wf_all = new ArrayList<ObservableList<Waveform>>(Arrays.asList(ch1wf, ch2wf, ch3wf, ch4wf));

	//private final List<Map<Integer, ObservableList<Waveform>>> wf_map = new ArrayList<>();

	public DataWaveformHandler() {
		
		//create initial dummy record

		//wf_all.add(ch1wf);
		//wf_all.add(ch2wf);
		//wf_all.add(ch3wf);
		//wf_all.add(ch4wf);
		//wf_map.add(ch1wf_map);
		//wf_map.add(ch2wf_map);
		//wf_map.add(ch3wf_map);
		//wf_map.add(ch4wf_map);
	}

	public static ObservableList<Waveform> getCh1Waveforms() {

		return ch1wf;
	}

	public static ObservableList<Waveform> getCh2Waveforms() {

		return ch2wf;
	}

	public static ObservableList<Waveform> getCh3Waveforms() {

		return ch3wf;
	}

	public static ObservableList<Waveform> getCh4Waveforms() {

		return ch4wf;
	}

	public static List<ObservableList<Waveform>> getWaveforms() {

		return wf_all;
	}
	
	public static void deleteWaveforms() {
		
		for(int i = 0; i < 4; i++) {
			
			wf_all.get(i).clear();

		}
	}
	
	
	
	
	

	public static DataWaveformHandler getInstance() {

		return INSTANCE;
	}
}