Files
atom/src/app/atom-package.coffee
2013-02-08 17:28:08 -08:00

88 lines
3.0 KiB
CoffeeScript

Package = require 'package'
fs = require 'fs'
_ = require 'underscore'
$ = require 'jquery'
module.exports =
class AtomPackage extends Package
metadata: null
packageMain: null
load: ({activateImmediately}={}) ->
try
@loadMetadata()
@loadKeymaps()
@loadStylesheets()
if @metadata.activationEvents and not activateImmediately
@subscribeToActivationEvents()
else
@activatePackageMain()
catch e
console.warn "Failed to load package named '#{@name}'", e.stack
this
disableEventHandlersOnBubblePath: (event) ->
bubblePathEventHandlers = []
disabledHandler = ->
element = $(event.target)
while element.length
if eventHandlers = element.data('events')?[event.type]
for eventHandler in eventHandlers
eventHandler.disabledHandler = eventHandler.handler
eventHandler.handler = disabledHandler
bubblePathEventHandlers.push(eventHandler)
element = element.parent()
bubblePathEventHandlers
restoreEventHandlersOnBubblePath: (eventHandlers) ->
for eventHandler in eventHandlers
eventHandler.handler = eventHandler.disabledHandler
delete eventHandler.disabledHandler
unsubscribeFromActivationEvents: (activateHandler) ->
if _.isArray(@metadata.activationEvents)
rootView.off(event, activateHandler) for event in @metadata.activationEvents
else
rootView.off(event, selector, activateHandler) for event, selector of @metadata.activationEvents
subscribeToActivationEvents: () ->
activateHandler = (event) =>
bubblePathEventHandlers = @disableEventHandlersOnBubblePath(event)
@activatePackageMain()
$(event.target).trigger(event)
@restoreEventHandlersOnBubblePath(bubblePathEventHandlers)
@unsubscribeFromActivationEvents(activateHandler)
if _.isArray(@metadata.activationEvents)
rootView.command(event, activateHandler) for event in @metadata.activationEvents
else
rootView.command(event, selector, activateHandler) for event, selector of @metadata.activationEvents
activatePackageMain: ->
mainPath = @path
mainPath = fs.join(mainPath, @metadata.main) if @metadata.main
mainPath = require.resolve(mainPath)
if fs.isFile(mainPath)
@packageMain = require(mainPath)
config.setDefaults(@name, @packageMain.configDefaults)
atom.activateAtomPackage(this)
loadMetadata: ->
if metadataPath = fs.resolveExtension(fs.join(@path, 'package'), ['cson', 'json'])
@metadata = fs.readObject(metadataPath)
@metadata ?= {}
loadKeymaps: ->
keymapsDirPath = fs.join(@path, 'keymaps')
if @metadata.keymaps
for path in @metadata.keymaps
keymapPath = fs.resolve(keymapsDirPath, path, ['cson', 'json', ''])
keymap.load(keymapPath)
else
keymap.loadDirectory(keymapsDirPath)
loadStylesheets: ->
stylesheetDirPath = fs.join(@path, 'stylesheets')
for stylesheetPath in fs.list(stylesheetDirPath)
requireStylesheet(stylesheetPath)