/*
* 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 {
/**代码未完, 请加载全部代码(NowJava.com).**/