electron/browser/api/lib/dialog.coffee
2013-05-10 21:19:13 +08:00

90 lines
2.9 KiB
CoffeeScript

binding = process.atomBinding 'dialog'
CallbacksRegistry = require 'callbacks_registry'
EventEmitter = require('events').EventEmitter
ipc = require 'ipc'
Window = require 'window'
FileDialog = binding.FileDialog
FileDialog.prototype.__proto__ = EventEmitter.prototype
callbacksRegistry = new CallbacksRegistry
fileDialog = new FileDialog
fileDialog.on 'selected', (event, callbackId, paths...) ->
callbacksRegistry.call callbackId, 'selected', paths...
callbacksRegistry.remove callbackId
fileDialog.on 'cancelled', (event, callbackId) ->
callbacksRegistry.call callbackId, 'cancelled'
callbacksRegistry.remove callbackId
validateOptions = (options) ->
return false unless typeof options is 'object'
options.fileTypes = [] unless Array.isArray options.fileTypes
for type in options.fileTypes
return false unless typeof type is 'object' and
typeof type.description is 'string'
Array.isArray type.extensions
options.defaultPath = '' unless options.defaultPath?
options.fileTypeIndex = 0 unless options.fileTypeIndex?
options.defaultExtension = '' unless options.defaultExtension?
true
selectFileWrap = (window, options, callback, type, title) ->
throw new TypeError('Need Window object') unless window.constructor is Window
options = {} unless options?
options.type = type
options.title = title unless options.title?
throw new TypeError('Bad arguments') unless validateOptions options
callbackId = callbacksRegistry.add callback
fileDialog.selectFile window,
options.type,
options.title,
options.defaultPath,
options.fileTypes,
options.fileTypeIndex,
options.defaultExtension,
callbackId
module.exports =
openFolder: (args...) ->
selectFileWrap args..., 1, 'Open Folder'
saveAs: (args...) ->
selectFileWrap args..., 2, 'Save As'
openFile: (args...) ->
selectFileWrap args..., 3, 'Open File'
openMultiFiles: (args...) ->
selectFileWrap args..., 4, 'Open Files'
showMessageBox: (window, options) ->
throw new TypeError('Need Window object') unless window.constructor is Window
options = {} unless options?
options.type = options.type ? module.exports.MESSAGE_BOX_NONE
throw new TypeError('Invalid message box type') unless 0 <= options.type <= 2
throw new TypeError('Buttons need to be array') unless Array.isArray options.buttons
options.title = options.title ? ''
options.message = options.message ? ''
options.detail = options.detail ? ''
binding.showMessageBox window, options.type, options.buttons,
String(options.title),
String(options.message),
String(options.detail)
# Message box types:
MESSAGE_BOX_NONE: 0
MESSAGE_BOX_INFORMATION: 1
MESSAGE_BOX_WARNING: 2