| /* |
| * Copyright (c) 2015, 2016, 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.editpad; |
| |
| import java.awt.BorderLayout; |
| import java.awt.FlowLayout; |
| import java.awt.Font; |
| import java.awt.event.ActionListener; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.WindowAdapter; |
| import java.awt.event.WindowEvent; |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| 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; |
| |
| /** |
| * A minimal Swing editor as a fallback when the user does not specify an |
| * external editor. |
| */ |
| class EditPad implements Runnable { |
| |
| private static final String L10N_RB_NAME = "jdk.editpad.resources.l10n"; |
| private ResourceBundle rb = null; |
| private final String windowLabel; |
| private final Consumer<String> errorHandler; |
| private final String initialText; |
| private final Runnable closeMark; |
| private final Consumer<String> saveHandler; |
| |
| /** |
| * Create an Edit Pad minimal editor. |
| * |
| * @param windowLabel the label string for the Edit Pad window |
| * @param errorHandler a handler for unexpected errors |
| * @param initialText the source to load in the Edit Pad |
| * @param closeMark a Runnable that is run when Edit Pad closes |
| * @param saveHandler a handler for changed source (sent the full source) |
| */ |
| EditPad(String windowLabel, Consumer<String> errorHandler, String initialText, |
| Runnable closeMark, Consumer<String> saveHandler) { |
| this.windowLabel = windowLabel; |
| this.errorHandler = errorHandler; |
| this.initialText = initialText; |
| this.closeMark = closeMark; |
| this.saveHandler = saveHandler; |
| } |
| |
| @Override |
| public void run() { |
| JFrame jframe = new JFrame(windowLabel == null |
| ? getResourceString("editpad.name") |
| : windowLabel); |
| Runnable closer = () -> { |
| jframe.setVisible(false); |
| jframe.dispose(); |
| closeMark.run(); |
| }; |
| jframe.addWindowListener(new WindowAdapter() { |
| @Override |
| public void windowClosing(WindowEvent e) { |
| closer.run(); |
| } |
| }); |
| jframe.setLocationRelativeTo(null); |
| jframe.setLayout(new BorderLayout()); |
| JTextArea textArea = new JTextArea(initialText); |
| textArea.setFont(new Font("monospaced", Font.PLAIN, 13)); |
| jframe.add(new JScrollPane(textArea), BorderLayout.CENTER); |
| jframe.add(buttons(closer, textArea), BorderLayout.SOUTH); |
| |
| jframe.setSize(800, 600); |
| jframe.setVisible(true); |
| } |
| |
| private JPanel buttons(Runnable closer, JTextArea textArea) { |
| FlowLayout flow = new FlowLayout(); |
| flow.setHgap(35); |
| JPanel buttons = new JPanel(flow); |
| addButton(buttons, "editpad.cancel", KeyEvent.VK_C, e -> { |
| closer.run(); |
| }); |
| addButton(buttons, "editpad.accept", KeyEvent.VK_A, e -> { |
| saveHandler.accept(textArea.getText()); |
| }); |
| addButton(buttons, "editpad.exit", KeyEvent.VK_X, e -> { |
| saveHandler.accept(textArea.getText()); |
| closer.run(); |
| }); |
| return buttons; |
| } |
| |
| private void addButton(JPanel buttons, String rkey, int mnemonic, ActionListener action) { |
| JButton but = new JButton(getResourceString(rkey)); |
| but.setMnemonic(mnemonic); |
| buttons.add(but); |
| but.addActionListener(action); |
| } |
| |
| private String getResourceString(String key) { |
| if (rb == null) { |
| try { |
| rb = ResourceBundle.getBundle(L10N_RB_NAME); |
| } catch (MissingResourceException mre) { |
| error("Cannot find ResourceBundle: %s", L10N_RB_NAME); |
| return ""; |
| } |
| } |
| String s; |
| try { |
| s = rb.getString(key); |
| } catch (MissingResourceException mre) { |
| error("Missing resource: %s in %s", key, L10N_RB_NAME); |
| return ""; |
| } |
| return s; |
| } |
| |
| private void error(String fmt, Object... args) { |
| errorHandler.accept(String.format(fmt, args)); |
| } |
| } |