It takes JavaFX 15 minutes to build described LineChart which doesn't work for my task.
Similar implementation using good old Swing and jFreeChart takes 1.5 seconds to build chart.
But I would still like to implement a JavaFX one.
Here is my code:
public class FXMLController implements Initializable {
@FXML
private Label statusbar;
@FXML
public LineChart lineChart;
@FXML
public Button connect;
@FXML
public MenuItem options;
@FXML
public NumberAxis xAxis;
@FXML
NumberAxis yAxis;
@FXML
private void connect(ActionEvent event) {
}
public static FileChooser fileChooser = new FileChooser();
public static String path;
public static XYChart.Series<Integer, Integer> dataSeries = new XYChart.Series<Integer, Integer>();
public static int y = 0;
public static XYChart.Data<Integer, Integer> data;
@FXML
private void open(ActionEvent event) {
fileChooser.setTitle("Open Resource File");
fileChooser.getExtensionFilters().addAll(
new ExtensionFilter("Text Files", "*.txt"),
new ExtensionFilter("Image Files", "*.png", "*.jpg", "*.gif"),
new ExtensionFilter("Audio Files", "*.wav", "*.mp3", "*.aac"),
new ExtensionFilter("All Files", "*.*"));
File selectedFile = fileChooser.showOpenDialog(new Stage());
if (selectedFile != null) {
path = selectedFile.getAbsolutePath();
System.out.println(path);
try {
ReadingFromFile.readFile(path);
} catch (IOException ex) {
Logger.getLogger(FXMLController.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
@FXML
private void close(ActionEvent event) {
}
@FXML
private void getconnect(ActionEvent event) {
}
@Override
public void initialize(URL url, ResourceBundle rb) {
xAxis.setLabel("Tick");
xAxis.setTickUnit(100);
yAxis.setLabel("Signal");
xAxis.setForceZeroInRange(false);
lineChart.setLegendVisible(false);
lineChart.setCreateSymbols(false);
lineChart.setAnimated(false);
lineChart.getData().add(dataSeries);
}
}
and reading from file:
public class ReadingFromFile extends FXMLController {
public static String s = null;
public static String[] str;
public static int parseInt;
public static void readFile(String filename)
throws IOException {
BufferedReader br = new BufferedReader(new FileReader(filename));
try {
StringBuilder sb = new StringBuilder();
String line = br.readLine();
while (line != null) {
sb.append(line);
sb.append(System.lineSeparator());
line = br.readLine();
System.out.println(line);
try {
str = line.split(" ");
for (int i = 0; i < str.length; i = i + 2) {
s = str[i + 1] + str[i];
parseInt = Integer.parseInt(s, 16);
javafx.application.Platform.runLater(new Runnable() {
@Override
public void run() {
data = new XYChart.Data<Integer, Integer>(y, parseInt);
//data.setNode(new HoveredThresholdNode(0, second, ""));
dataSeries.getData().add(data);
y++;
}
});
}
} catch (java.lang.NullPointerException ex) {
System.out.println("тут ноль!!!");
}
}
} finally {
br.close();
}
}
}
