| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.tools.jjs; |
| |
| import java.awt.BorderLayout; |
| import java.awt.FlowLayout; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.WindowAdapter; |
| import java.awt.event.WindowEvent; |
| import java.util.function.Consumer; |
| import javax.swing.JButton; |
| import javax.swing.JFrame; |
| import javax.swing.JPanel; |
| import javax.swing.JScrollPane; |
| import javax.swing.JTextArea; |
| import javax.swing.SwingUtilities; |
| |
| /** |
| * A minimal Swing editor as a fallback when the user does not specify an |
| * external editor. |
| */ |
| final class EditPad extends JFrame implements Runnable { |
| private static final long serialVersionUID = 1; |
| private final Consumer<String> errorHandler; |
| private final String initialText; |
| private final boolean[] closeLock; |
| private final Consumer<String> saveHandler; |
| |
| EditPad(final Consumer<String> errorHandler, final String initialText, |
| final boolean[] closeLock, final Consumer<String> saveHandler) { |
| super("Edit Pad (Experimental)"); |
| this.errorHandler = errorHandler; |
| this.initialText = initialText; |
| this.closeLock = closeLock; |
| this.saveHandler = saveHandler; |
| } |
| |
| @Override |
| public void run() { |
| addWindowListener(new WindowAdapter() { |
| @Override |
| public void windowClosing(final WindowEvent e) { |
| EditPad.this.dispose(); |
| notifyClose(); |
| } |
| }); |
| setLocationRelativeTo(null); |
| setLayout(new BorderLayout()); |
| JTextArea textArea = new JTextArea(initialText); |
| add(new JScrollPane(textArea), BorderLayout.CENTER); |
| add(buttons(textArea), BorderLayout.SOUTH); |
| |
| setSize(800, 600); |
| setVisible(true); |
| } |
| |
| private JPanel buttons(final JTextArea textArea) { |
| FlowLayout flow = new FlowLayout(); |
| flow.setHgap(35); |
| JPanel buttons = new JPanel(flow); |
| JButton cancel = new JButton("Cancel"); |
| cancel.setMnemonic(KeyEvent.VK_C); |
| JButton accept = new JButton("Accept"); |
| accept.setMnemonic(KeyEvent.VK_A); |
| JButton exit = new JButton("Exit"); |
| exit.setMnemonic(KeyEvent.VK_X); |
| buttons.add(cancel); |
| buttons.add(accept); |
| buttons.add(exit); |
| |
| cancel.addActionListener(e -> { |
| close(); |
| }); |
| accept.addActionListener(e -> { |
| saveHandler.accept(textArea.getText()); |
| }); |
| exit.addActionListener(e -> { |
| saveHandler.accept(textArea.getText()); |
| close(); |
| }); |
| |
| return buttons; |
| } |
| |
| private void close() { |
| setVisible(false); |
| dispose(); |
| notifyClose(); |
| } |
| |
| private void notifyClose() { |
| synchronized (closeLock) { |
| closeLock[0] = true; |
| closeLock.notify(); |
| } |
| } |
| |
| static void edit(final Consumer<String> errorHandler, final String initialText, |
| final Consumer<String> saveHandler) { |
| boolean[] closeLock = new boolean[1]; |
| SwingUtilities.invokeLater( |
| new EditPad(errorHandler, initialText, closeLock, saveHandler)); |
| synchronized (closeLock) { |
| while (!closeLock[0]) { |
| try { |
| closeLock.wait(); |
| } catch (final InterruptedException ex) { |
| // ignore and loop |
| } |
| } |
| } |
| } |
| } |