NumOfThreadsEditor.java

/*
 * Copyright 2006-2015 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.gui.preferences;

import javax.annotation.Nullable;

import org.controlsfx.control.PropertySheet;

import io.github.mzmine.parameters.ParameterEditor;
import io.github.mzmine.parameters.parametertypes.SpinnerAutoCommit;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Control;
import javafx.scene.control.Spinner;
import javafx.scene.layout.HBox;

public class NumOfThreadsEditor extends HBox implements ParameterEditor<NumOfThreadsValue> {

  private static final ObservableList<String> options = FXCollections.observableArrayList(
      "Set to the number of CPU cores (" + Runtime.getRuntime().availableProcessors() + ")",
      "Set manually");

  private final ComboBox<String> optionCombo;
  private final Spinner<Integer> numField;

  public NumOfThreadsEditor(PropertySheet.Item parameter) {

    // HBox properties
    setSpacing(10);
    setAlignment(Pos.CENTER_LEFT);

    numField = new SpinnerAutoCommit<>(1, 999999, 4);
    numField.setPrefWidth(80.0);
    numField.setEditable(true);

    optionCombo = new ComboBox<>(options);
    optionCombo.setOnAction(e -> {
      numField.setVisible(optionCombo.getSelectionModel().getSelectedIndex() == 1);
    });

    getChildren().addAll(optionCombo, numField);

  }

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

  @Override
  public NumOfThreadsValue getValue() {
    Boolean automatic = (optionCombo.getSelectionModel().getSelectedIndex() == 0);
    Integer manualValue = numField.getValue();
    return new NumOfThreadsValue(automatic, manualValue);
  }

  @Override
  public void setValue(NumOfThreadsValue value) {
    if (value != null) {
      if (value.isAutomatic()) {
        optionCombo.getSelectionModel().select(0);
        numField.setVisible(false);
      } else
        optionCombo.getSelectionModel().select(1);
      numField.getValueFactory().setValue(value.getManualValue());
    } else {
      optionCombo.getSelectionModel().select(0);
    }
  }

  @Override
  @Nullable
  public Control getMainControl() {
    return null;
  }

}