OpenSSLFinderForm.java

/**
 * Copyright 2014 Microsoft Open Technologies Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.microsoftopentechnologies.intellij.forms;

import com.intellij.ide.util.PropertiesComponent;
import com.intellij.openapi.fileChooser.FileChooser;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.Consumer;

import javax.swing.*;
import java.awt.event.*;

public class OpenSSLFinderForm extends JDialog {
    private JPanel contentPane;
    private JButton buttonOK;
    private JButton buttonCancel;
    private JTextField txtFile;
    private JButton btnBrowse;

    public OpenSSLFinderForm() {
        setContentPane(contentPane);
        setModal(true);
        getRootPane().setDefaultButton(buttonOK);

        buttonOK.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                onOK();
            }
        });

        buttonCancel.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                onCancel();
            }
        });

        // call onCancel() when cross is clicked
        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                onCancel();
            }
        });

        // call onCancel() on ESCAPE
        contentPane.registerKeyboardAction(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                onCancel();
            }
        }, KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);


        btnBrowse.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent actionEvent) {

                FileChooserDescriptor fileChooserDescriptor = new FileChooserDescriptor(true, false, false, false, false, false) {
                    @Override
                    public boolean isFileVisible(VirtualFile file, boolean showHiddenFiles) {
                        try {
                            return file.isDirectory() || file.getNameWithoutExtension().toLowerCase().equals("openssl");
                        } catch (Throwable t) {
                            return super.isFileVisible(file, showHiddenFiles);
                        }
                    }

                    @Override
                    public boolean isFileSelectable(VirtualFile file) {
                        return file.getNameWithoutExtension().toLowerCase().equals("openssl");
                    }
                };

                fileChooserDescriptor.setTitle("Choose OpenSSL executable");

                FileChooser.chooseFile(fileChooserDescriptor, null, null, new Consumer<VirtualFile>() {
                    @Override
                    public void consume(VirtualFile virtualFile) {
                        if (virtualFile != null) {
                            txtFile.setText(virtualFile.getParent().getPath());
                        }
                    }
                });
            }
        });
    }


    private void onOK() {
        if (txtFile.getText() == null || txtFile.getText().isEmpty()) {
            JOptionPane.showMessageDialog(this, "Must select the OpenSSL executable location.", "OpenSSL", JOptionPane.ERROR_MESSAGE);
        } else {
            PropertiesComponent pc = PropertiesComponent.getInstance();
            pc.setValue("MSOpenSSLPath", txtFile.getText());

            dispose();
        }
    }

    private void onCancel() {
// add your code here if necessary
        dispose();
    }
}