Here you can find the source of menuItem(JMenu parent, String label, Object... attrs)
| Parameter | Description |
|---|---|
| parent | - the JMenu to add this JMenuItem into (or null if you don't want to add it to any JMenu yet) |
| label | - the text to show on the menu |
| attrs | - a list of attributes to apply onto the new JMenuItem. |
public static JMenuItem menuItem(JMenu parent, String label, Object... attrs)
//package com.java2s; /* Alloy Analyzer 4 -- Copyright (c) 2006-2009, Felix Chang * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files * (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *///w w w . ja va 2s . co m import java.awt.Toolkit; import java.awt.event.ActionListener; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import javax.swing.Icon; import javax.swing.JMenu; import javax.swing.JMenuItem; import javax.swing.KeyStroke; public class Main { /** Construct a new JMenuItem then add it to an existing JMenu. * @param parent - the JMenu to add this JMenuItem into (or null if you don't want to add it to any JMenu yet) * @param label - the text to show on the menu * @param attrs - a list of attributes to apply onto the new JMenuItem * <p> If one positive number a is supplied, we call setMnemonic(a) * <p> If two positive numbers a and b are supplied, and a!=VK_ALT, and a!=VK_SHIFT, we call setMnemoic(a) and setAccelerator(b) * <p> If two positive numbers a and b are supplied, and a==VK_ALT or a==VK_SHIFT, we call setAccelerator(a | b) * <p> If an ActionListener is supplied, we call addActionListener(x) * <p> If an Boolean x is supplied, we call setEnabled(x) * <p> If an Icon x is supplied, we call setIcon(x) */ public static JMenuItem menuItem(JMenu parent, String label, Object... attrs) { JMenuItem m = new JMenuItem(label, null); int accelMask = Toolkit.getDefaultToolkit() .getMenuShortcutKeyMask(); boolean hasMnemonic = false; for (Object x : attrs) { if (x instanceof Character || x instanceof Integer) { int k = (x instanceof Character) ? ((int) ((Character) x)) : ((Integer) x).intValue(); if (k < 0) continue; if (k == KeyEvent.VK_ALT) { hasMnemonic = true; accelMask = accelMask | InputEvent.ALT_MASK; continue; } if (k == KeyEvent.VK_SHIFT) { hasMnemonic = true; accelMask = accelMask | InputEvent.SHIFT_MASK; continue; } if (!hasMnemonic) { m.setMnemonic(k); hasMnemonic = true; } else m.setAccelerator(KeyStroke.getKeyStroke(k, accelMask)); } if (x instanceof ActionListener) m.addActionListener((ActionListener) x); if (x instanceof Icon) m.setIcon((Icon) x); if (x instanceof Boolean) m.setEnabled((Boolean) x); } if (parent != null) parent.add(m); return m; } }