de.pixida.logtest.designer.commons.SelectFileButton.java Source code

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Here is the source code for de.pixida.logtest.designer.commons.SelectFileButton.java

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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) 2016 Pixida GmbH
 */

package de.pixida.logtest.designer.commons;

import java.io.File;

import org.apache.commons.lang3.StringUtils;

import javafx.scene.Node;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.stage.FileChooser;

public abstract class SelectFileButton {
    private static File lastFolder = null;

    public static Button createButtonWithFileSelection(final TextField inputFieldShowingPath, final String icon,
            final String title, final String fileMask, final String fileMaskDescription) {
        final Button selectLogFileButton = new Button("Select");
        selectLogFileButton.setGraphic(Icons.getIconGraphics(icon));
        selectLogFileButton.setOnAction(event -> {
            final FileChooser fileChooser = new FileChooser();
            fileChooser.setTitle(title);
            if (StringUtils.isNotBlank(fileMask) && StringUtils.isNotBlank(fileMaskDescription)) {
                fileChooser.getExtensionFilters()
                        .add(new FileChooser.ExtensionFilter(fileMaskDescription, fileMask));
            }
            File initialDirectory = new File(inputFieldShowingPath.getText().trim());
            if (!initialDirectory.isDirectory()) {
                initialDirectory = initialDirectory.getParentFile();
            }
            if (initialDirectory == null || !initialDirectory.isDirectory()) {
                if (lastFolder != null) {
                    initialDirectory = lastFolder;
                } else {
                    initialDirectory = new File(".");
                }
            }
            fileChooser.setInitialDirectory(initialDirectory);
            final File selectedFile = fileChooser.showOpenDialog(((Node) event.getTarget()).getScene().getWindow());
            if (selectedFile != null) {
                inputFieldShowingPath.setText(selectedFile.getAbsolutePath());
                final File parent = selectedFile.getParentFile();
                if (parent != null && parent.isDirectory()) {
                    lastFolder = parent;
                }
            }
        });
        return selectLogFileButton;
    }
}