/*
* SK's Minecraft Launcher
* Copyright (C) 2010, 2011 Albert Pham <http://www.sk89q.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.skmcl.swing;
import javax.swing.*;
import javax.swing.text.JTextComponent;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class TextFieldPopupMenu extends JPopupMenu implements ActionListener {
public static final TextFieldPopupMenu INSTANCE = new TextFieldPopupMenu();
private final JMenuItem cutItem;
private final JMenuItem copyItem;
private final JMenuItem pasteItem;
private final JMenuItem deleteItem;
private final JMenuItem selectAllItem;
private TextFieldPopupMenu() {
cutItem = addMenuItem(new JMenuItem("Cut", 'T'));
copyItem = addMenuItem(new JMenuItem("Copy", 'C'));
pasteItem = addMenuItem(new JMenuItem("Paste", 'P'));
deleteItem = addMenuItem(new JMenuItem("Delete", 'D'));
addSeparator();
selectAllItem = addMenuItem(new JMenuItem("Select All", 'A'));
}
private JMenuItem addMenuItem(JMenuItem item) {
item.addActionListener(this);
return add(item);
}
@Override
public void show(Component invoker, int x, int y) {
JTextComponent textComponent = (JTextComponent) invoker;
boolean editable = textComponent.isEditable() && textComponent.isEnabled();
cutItem.setVisible(editable);
pasteItem.setVisible(editable);
deleteItem.setVisible(editable);
super.show(invoker, x, y);
}
@Override
public void actionPerformed(ActionEvent e) {
JTextComponent textComponent = (JTextComponent) getInvoker();
textComponent.requestFocus();
boolean haveSelection =
textComponent.getSelectionStart() != textComponent.getSelectionEnd();
if (e.getSource() == cutItem) {
if (!haveSelection) textComponent.selectAll();
textComponent.cut();
} else if (e.getSource() == copyItem) {
if (!haveSelection) textComponent.selectAll();
textComponent.copy();
} else if (e.getSource() == pasteItem) {
textComponent.paste();
} else if (e.getSource() == deleteItem) {
if (!haveSelection) textComponent.selectAll();
textComponent.replaceSelection("");
} else if (e.getSource() == selectAllItem) {
textComponent.selectAll();
}
}
}