FileNameEditor.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.filenames;

import java.io.File;
import java.util.List;

import org.controlsfx.control.PropertySheet;

import com.google.common.base.Strings;

import io.github.mzmine.parameters.ParameterEditor;
import javafx.geometry.Insets;
import javafx.scene.Node;
import javafx.scene.control.Button;
import javafx.scene.control.Control;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.stage.FileChooser;
import javafx.stage.Window;

/**
 * This parameter stores filenames
 */
public class FileNameEditor extends BorderPane implements ParameterEditor<File> {

  private final FileNameParameter fileNameParameter;
  private final TextField textField;
  private final Button browseButton;

  public FileNameEditor(PropertySheet.Item parameter) {
    if (!(parameter instanceof FileNameParameter))
      throw new IllegalArgumentException();

    this.fileNameParameter = (FileNameParameter) parameter;

    // The text field
    this.textField = new TextField();
    setCenter(textField);

    // The Browse button
    browseButton = new Button("Browse");
    browseButton.setFocusTraversable(false);
    setRight(browseButton);
    setMargin(browseButton, new Insets(0, 0, 0, 10.0));
    browseButton.setOnAction(e -> {
      List<FileChooser.ExtensionFilter> extensions = fileNameParameter.getExtensions();
      FileChooser fileChooser = new FileChooser();
      File lastOpenPath = fileNameParameter.getLastOpenPath();
      if (lastOpenPath != null)
        fileChooser.setInitialDirectory(lastOpenPath);
      fileChooser.setTitle("Find file");
      if (extensions != null) {
        fileChooser.getExtensionFilters().addAll(extensions);
      }
      Window parentWindow = this.getScene().getWindow();
      File selectedFile;

      if (fileNameParameter.getFileNameParameterType() == FileNameParameter.Type.OPEN)
        selectedFile = fileChooser.showOpenDialog(parentWindow);
      else
        selectedFile = fileChooser.showSaveDialog(parentWindow);
      if (selectedFile != null) {
        textField.setText(selectedFile.getPath());
        File parentDir = selectedFile.getParentFile();
        fileNameParameter.setLastOpenPath(parentDir);
      }
    });

  }

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

  @Override
  public File getValue() {
    String textValue = textField.getText();
    if (!Strings.isNullOrEmpty(textValue))
      return new File(textValue);
    else
      return null;
  }

  @Override
  public void setValue(File value) {
    if (value != null)
      textField.setText(value.getPath());
    else
      textField.clear();
  }

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

}