DoubleEditor.java

/*
 * Copyright 2006-2016 The MZmine 3 Development Team
 * 
 * This file is part of MZmine 3.
 * 
 * MZmine 3 is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 * 
 * MZmine 3 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with MZmine 3; if not,
 * write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
 * USA
 */

package io.github.mzmine.parameters.parametertypes;

import java.text.NumberFormat;

import javax.annotation.Nullable;

import org.controlsfx.control.PropertySheet;

import io.github.mzmine.parameters.ParameterEditor;
import javafx.scene.Node;
import javafx.scene.control.Control;
import javafx.scene.control.TextField;
import javafx.scene.layout.HBox;

/**
 * This parameter stores double values
 */
public class DoubleEditor extends HBox implements ParameterEditor<Double> {

  private final TextField doubleField;
  private @Nullable NumberFormat numberFormat;

  public DoubleEditor(PropertySheet.Item parameter) {
    if (!(parameter instanceof DoubleParameter))
      throw new IllegalArgumentException();

    DoubleParameter dp = (DoubleParameter) parameter;
    this.numberFormat = dp.getNumberFormat();
    this.doubleField = new TextField();
    getChildren().addAll(doubleField);
  }

  @Override
  public Node getEditor() {
    return this;
  }

  @Override
  public Double getValue() {
    String stringValue = doubleField.getText();
    try {
      double doubleValue = Double.parseDouble(stringValue);
      return doubleValue;
    } catch (NumberFormatException e) {
      return null;
    }
  }

  @SuppressWarnings("null")
  @Override
  public void setValue(Double value) {
    if (value == null)
      return;
    String stringValue;
    if (numberFormat != null) {
      stringValue = numberFormat.format(value);
    } else {
      stringValue = String.valueOf(value);
    }
    doubleField.setText(stringValue);
  }

  @Override
  public Control getMainControl() {
    return doubleField;
  }

}