Files
atom/src/app/config.coffee
2013-02-04 12:51:04 -08:00

90 lines
2.5 KiB
CoffeeScript

fs = require 'fs'
_ = require 'underscore'
EventEmitter = require 'event-emitter'
configDirPath = fs.absolute("~/.atom")
userInitScriptPath = fs.join(configDirPath, "user.coffee")
bundledPackagesDirPath = fs.join(resourcePath, "src/packages")
bundledThemesDirPath = fs.join(resourcePath, "themes")
vendoredPackagesDirPath = fs.join(resourcePath, "vendor/packages")
vendoredThemesDirPath = fs.join(resourcePath, "vendor/themes")
userThemesDirPath = fs.join(configDirPath, "themes")
userPackagesDirPath = fs.join(configDirPath, "packages")
require.paths.unshift userPackagesDirPath
module.exports =
class Config
configDirPath: configDirPath
themeDirPaths: [userThemesDirPath, bundledThemesDirPath, vendoredThemesDirPath]
packageDirPaths: [userPackagesDirPath, vendoredPackagesDirPath, bundledPackagesDirPath]
defaultSettings: null
settings: null
constructor: ->
@defaultSettings =
core: _.clone(require('root-view').configDefaults)
editor: _.clone(require('editor').configDefaults)
@settings = {}
@configFilePath = fs.resolve(configDirPath, 'config', ['json', 'cson'])
@configFilePath ?= fs.join(configDirPath, 'config.cson')
load: ->
@loadUserConfig()
@requireUserInitScript()
atom.loadThemes()
atom.loadPackages()
loadUserConfig: ->
if fs.exists(@configFilePath)
userConfig = fs.readObject(@configFilePath)
_.extend(@settings, userConfig)
get: (keyPath) ->
_.valueForKeyPath(@settings, keyPath) ?
_.valueForKeyPath(@defaultSettings, keyPath)
set: (keyPath, value) ->
_.setValueForKeyPath(@settings, keyPath, value)
@update()
value
setDefaults: (keyPath, defaults) ->
keys = keyPath.split('.')
hash = @defaultSettings
for key in keys
hash[key] ?= {}
hash = hash[key]
_.extend hash, defaults
@update()
observe: (keyPath, callback) ->
value = @get(keyPath)
previousValue = _.clone(value)
updateCallback = =>
value = @get(keyPath)
unless _.isEqual(value, previousValue)
previousValue = _.clone(value)
callback(value)
subscription = { cancel: => @off 'updated', updateCallback }
@on 'updated', updateCallback
callback(value)
subscription
update: ->
@save()
@trigger 'updated'
save: ->
fs.writeObject(@configFilePath, @settings)
requireUserInitScript: ->
try
require userInitScriptPath if fs.exists(userInitScriptPath)
catch error
console.error "Failed to load `#{userInitScriptPath}`", error.stack, error
_.extend Config.prototype, EventEmitter