1: //..+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
2: /*
3: * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
4: */
5: package components
6:
7: import java.awt.Dimension
8: import java.awt.event.ActionEvent
9: import java.awt.event.KeyEvent
10: import javax.swing.ImageIcon
11: import javax.swing.KeyStroke
12: import swing._
13: import swing.event._
14: import BorderPanel._
15:
16: // ----------------------------------------
17: object MenuLookDemo {
18: val version = MenuLookDemo
19: .getClass.getName+": #1.0.17"
20: }
21:
22: // ----------------------------------------
23: /*
24: * This class exists solely to show you what menus look like.
25: * It has no menu-related event handling.
26: */
27: class MenuLookDemo(val frame: Frame) extends FlowPanel {
28:
29: def createMenuBar = {
30: //Create the menu bar.
31: val menuBar = new MenuBar
32:
33: //Build the first menu.
34: val menu = new Menu(
35: "A Menu") {
36: mnemonic = Key.A
37: peer.getAccessibleContext().setAccessibleDescription(
38: "The only menu in this program that has menu items")
39: menuBar.contents += this
40: }
41:
42: //a group of JMenuItems
43: new MenuItem(
44: "A text-only menu item") {
45: mnemonic = Key.T
46: peer.setAccelerator(KeyStroke.getKeyStroke(
47: KeyEvent.VK_1, ActionEvent.ALT_MASK))
48: peer.getAccessibleContext().setAccessibleDescription(
49: "This doesn't really do anything")
50: menu.contents += this
51: }
52:
53: val icon_ = createImageIcon("images/middle.gif")
54: new MenuItem(
55: "Both text and icon") {
56: icon = icon_
57: mnemonic = Key.B
58: menu.contents += this
59: }
60:
61: new MenuItem(
62: "") {
63: icon = icon_
64: mnemonic = Key.D
65: menu.contents += this
66: }
67:
68: //a group of radio button menu items
69: menu.peer.addSeparator()
70: val group = new ButtonGroup
71:
72: new RadioMenuItem(
73: "A radio button menu item") {
74: selected = true
75: mnemonic = Key.R
76: group.buttons += this
77: menu.contents += this
78: }
79: new RadioMenuItem(
80: "Another one") {
81: mnemonic = Key.O
82: group.buttons += this
83: menu.contents += this
84: }
85:
86: //a group of check box menu items
87: menu.peer.addSeparator()
88: new CheckMenuItem(
89: "A check box menu item") {
90: mnemonic = Key.C
91: menu.contents += this
92: }
93: new CheckMenuItem(
94: "Another one") {
95: mnemonic = Key.H
96: menu.contents += this
97: }
98:
99: //a submenu
100: menu.peer.addSeparator()
101: val submenu = new Menu(
102: "A submenu") {
103: mnemonic = Key.S
104: }
105:
106: new MenuItem(
107: "An item in the submenu") {
108: peer.setAccelerator(KeyStroke.getKeyStroke(
109: KeyEvent.VK_2, ActionEvent.ALT_MASK))
110: submenu.contents += this
111: }
112: new MenuItem(
113: "Another item") {
114: submenu.contents += this
115: }
116: menu.contents += submenu
117:
118: //Build second menu in the menu bar.
119: new Menu(
120: "Another Menu") {
121: mnemonic = Key.N
122: peer.getAccessibleContext().setAccessibleDescription(
123: "This menu does nothing");
124: menuBar.contents += this
125: }
126: menuBar
127: }
128:
129: def createContentPane = {
130: //Create the content-pane-to-be.
131: val contentPane = new BorderPanel {
132: opaque = true
133:
134: //Create a scrolled text area.
135: val output = new TextArea(5, 30) {
136: editable = false
137: }
138: val scrollPane = new ScrollPane(output)
139:
140: //Add the text area to the content pane.
141: add(scrollPane, Position.Center)
142: }
143: contentPane
144: }
145:
146: // ----------------------------------------
147: /** Returns an ImageIcon, or null if the path was invalid. */
148: def createImageIcon(path: String): ImageIcon = {
149: val imgURL = MenuLookDemo.getClass.getResource(path)
150: if (imgURL != null) {
151: return new ImageIcon(imgURL)
152: } else {
153: System.err.println("Couldn't find file: " + path)
154: return null
155: }
156: }
157:
158: // ----------------------------------------
159: //Create and set up the content pane.
160: frame.menuBar = createMenuBar
161: contents += createContentPane
162:
163: //Display the window.
164: frame.size = new Dimension(450, 260)
165: }
166:
167: // ========================================
