electron/atom/browser/api/lib/menu-item.coffee
2014-05-26 12:40:21 +08:00

58 lines
1.9 KiB
CoffeeScript

BrowserWindow = require 'browser-window'
v8Util = process.atomBinding 'v8_util'
nextCommandId = 0
class MenuItem
@types = ['normal', 'separator', 'submenu', 'checkbox', 'radio']
constructor: (options) ->
Menu = require 'menu'
{click, @selector, @type, @label, @sublabel, @accelerator, @enabled, @visible, @checked, @submenu} = options
@type = 'submenu' if not @type? and @submenu?
throw new Error('Invalid submenu') if @type is 'submenu' and @submenu?.constructor isnt Menu
@overrideReadOnlyProperty 'type', 'normal'
@overrideReadOnlyProperty 'accelerator'
@overrideReadOnlyProperty 'submenu'
@overrideProperty 'label', ''
@overrideProperty 'sublabel', ''
@overrideProperty 'enabled', true
@overrideProperty 'visible', true
@overrideProperty 'checked', false
throw new Error("Unknown menu type #{@type}") if MenuItem.types.indexOf(@type) is -1
@commandId = ++nextCommandId
@click = =>
# Manually flip the checked flags when clicked.
@checked = !@checked if @type in ['checkbox', 'radio']
if typeof click is 'function'
click this, BrowserWindow.getFocusedWindow()
else if typeof @selector is 'string'
Menu.sendActionToFirstResponder @selector
overrideProperty: (name, defaultValue=null) ->
this[name] ?= defaultValue
# Update states when property is changed on Windows.
return unless process.platform is 'win32'
v8Util.setHiddenValue this, name, this[name]
Object.defineProperty this, name,
enumerable: true
get: => v8Util.getHiddenValue this, name
set: (val) =>
v8Util.setHiddenValue this, name, val
@menu?._updateStates()
overrideReadOnlyProperty: (name, defaultValue=null) ->
this[name] ?= defaultValue
Object.defineProperty this, name,
enumerable: true
writable: false
value: this[name]
module.exports = MenuItem