PercentEditor.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 org.controlsfx.control.PropertySheet;

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

/**
 * This parameter stores filenames
 */
public class PercentEditor extends FlowPane implements ParameterEditor<Double> {

  private final TextField percentField;

  public PercentEditor(PropertySheet.Item parameter) {
    if (!(parameter instanceof PercentParameter))
      throw new IllegalArgumentException();

    // The percent field
    percentField = new TextField();

    // The percent sign
    Label signLabel = new Label("%");

    // FlowPane setting
    setHgap(10);

    // Add the elements
    getChildren().addAll(percentField, signLabel);
  }

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

  @Override
  public Double getValue() {
    String stringValue = percentField.getText();
    try {
      double doubleValue = Double.parseDouble(stringValue) / 100;
      return doubleValue;
    } catch (NumberFormatException e) {
      return null;
    }
  }

  @Override
  public void setValue(Double value) {
    if (value == null)
      return;
    String stringValue = String.valueOf(value * 100);
    percentField.setText(stringValue);
  }

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

}