Move image-view to a package

This removes the ugliness of having project.coffee require
image-edit-session at the end since the image-edit-session can
now register itself in an @activate callback and as a deferred
deserializer in the package.cson file.

src/app/keymaps/editor.cson

@@ -36,10 +36,3 @@
 
 '.editor !important, .editor.mini !important':
   'escape': 'editor:consolidate-selections'
-
-'.image-view':
-  'meta-+': 'image-view:zoom-in'
-  'meta-=': 'image-view:zoom-in'
-  'meta--': 'image-view:zoom-out'
-  'meta-_': 'image-view:zoom-out'
-  'meta-0': 'image-view:reset-zoom'

src/app/project.coffee

@@ -317,5 +317,3 @@ class Project
       @on 'buffer-created', (buffer) -> callback(buffer)
 
 _.extend Project.prototype, EventEmitter
-
-require 'image-edit-session'

src/packages/image-view/keymaps/image-view.cson

@@ -0,0 +1,6 @@
+'.image-view':
+  'meta-+': 'image-view:zoom-in'
+  'meta-=': 'image-view:zoom-in'
+  'meta--': 'image-view:zoom-out'
+  'meta-_': 'image-view:zoom-out'
+  'meta-0': 'image-view:reset-zoom'

src/packages/image-view/lib/image-edit-session.coffee

@@ -8,21 +8,19 @@ module.exports=
 class ImageEditSession
   registerDeserializer(this)
 
-  # Files with these extensions will be opened as images
-  @imageExtensions: ['.gif', '.jpeg', '.jpg', '.png']
+  @activate: ->
+    # Files with these extensions will be opened as images
+    imageExtensions = ['.gif', '.jpeg', '.jpg', '.png']
+    Project = require 'project'
+    Project.registerOpener (filePath) ->
+      if _.include(imageExtensions, fsUtils.extension(filePath))
+        new ImageEditSession(filePath)
 
-  ### Internal ###
-
-  Project = require 'project'
-  Project.registerOpener (path) =>
-    new ImageEditSession(path) if _.include(@imageExtensions, fsUtils.extension(path))
-
-
-  @deserialize: (state) ->
-    if fsUtils.exists(state.path)
-      project.open(state.path)
+  @deserialize: ({path}={}) ->
+    if fsUtils.exists(path)
+      new ImageEditSession(path)
     else
-      console.warn "Could not build edit session for path '#{state.path}' because that file no longer exists"
+      console.warn "Could not build image edit session for path '#{path}' because that file no longer exists"
 
   constructor: (@path) ->
 
@@ -31,7 +29,7 @@ class ImageEditSession
     path: @path
 
   getViewClass: ->
-    require 'image-view'
+    require './image-view'
 
   ### Public ###
 

src/packages/image-view/lib/image-view.coffee

@@ -16,8 +16,6 @@ class ImageView extends ScrollView
   initialize: (imageEditSession) ->
     super
 
-    requireStylesheet 'image-view'
-
     @image.load =>
       @originalHeight = @image.height()
       @originalWidth = @image.width()

src/packages/image-view/package.cson

@@ -0,0 +1,3 @@
+'description': 'View images in the editor'
+'main': './lib/image-edit-session'
+'deferredDeserializers': ['ImageEditSession']

src/packages/image-view/spec/image-view-spec.coffee

@@ -1,7 +1,7 @@
-ImageView = require 'image-view'
-ImageEditSession = require 'image-edit-session'
+ImageView = require '../lib/image-view'
+ImageEditSession = require '../lib/image-edit-session'
 
-describe "ImageView", ->
+fdescribe "ImageView", ->
   [view, path] = []
 
   beforeEach ->