org.neo4j.desktop.ui.BrowseForDatabaseActionListener.java Source code

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Here is the source code for org.neo4j.desktop.ui.BrowseForDatabaseActionListener.java

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/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.desktop.ui;

import org.apache.commons.lang3.SystemUtils;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.*;

import org.neo4j.desktop.model.DesktopModel;
import org.neo4j.desktop.model.LastLocation;
import org.neo4j.desktop.model.exceptions.UnsuitableDirectoryException;

import static javax.swing.JFileChooser.APPROVE_OPTION;
import static javax.swing.JFileChooser.CUSTOM_DIALOG;
import static javax.swing.JFileChooser.DIRECTORIES_ONLY;
import static javax.swing.JOptionPane.CANCEL_OPTION;
import static javax.swing.JOptionPane.ERROR_MESSAGE;
import static javax.swing.JOptionPane.OK_CANCEL_OPTION;
import static org.neo4j.desktop.ui.ScrollableOptionPane.showWrappedConfirmDialog;

class BrowseForDatabaseActionListener implements ActionListener {
    private final JFrame frame;
    private final JTextField directoryDisplay;
    private final DesktopModel model;

    public BrowseForDatabaseActionListener(JFrame frame, JTextField directoryDisplay, DesktopModel model) {
        this.model = model;
        this.frame = frame;
        this.directoryDisplay = directoryDisplay;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        File selectedFile = null;
        boolean cancelled = false;
        boolean validLocation = false;

        while (!validLocation && !cancelled) {
            if (SystemUtils.IS_OS_MAC) {
                selectedFile = macFileSelection();
            } else {
                selectedFile = fileSelection();
            }

            try {
                model.setDatabaseDirectory(selectedFile);
                directoryDisplay.setText(selectedFile.getAbsolutePath());

                validLocation = true;

                LastLocation.setLastLocation(selectedFile.getAbsolutePath());
            } catch (UnsuitableDirectoryException ude) {
                int choice = showWrappedConfirmDialog(frame,
                        ude.getMessage() + "\n" + "Please choose a different folder.", "Invalid folder selected",
                        OK_CANCEL_OPTION, ERROR_MESSAGE);

                if (choice == CANCEL_OPTION) {
                    cancelled = true;
                }
            }
        }
    }

    private File fileSelection() {
        File selectedFile = null;

        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setFileSelectionMode(DIRECTORIES_ONLY);
        fileChooser.setCurrentDirectory(new File(directoryDisplay.getText()));
        fileChooser.setDialogTitle("Select database");
        fileChooser.setDialogType(CUSTOM_DIALOG);

        int choice = fileChooser.showOpenDialog(frame);

        if (choice == APPROVE_OPTION) {
            selectedFile = fileChooser.getSelectedFile();
        }

        return selectedFile;
    }

    private File macFileSelection() {
        System.setProperty("apple.awt.fileDialogForDirectories", "true");
        FileDialog fileDialog = new FileDialog(frame);

        fileDialog.setDirectory(directoryDisplay.getText());
        fileDialog.setVisible(true);

        File selectedFile = new File(fileDialog.getDirectory(), fileDialog.getFile());
        System.setProperty("apple.awt.fileDialogForDirectories", "false");

        return selectedFile;
    }
}