From 69ec6b5441bd3e2c27b2b62dbc0ffbb60f5d7dac Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Tue, 20 Nov 2012 16:03:11 -0700
Subject: [PATCH] Add the 'editor:edit-session-removed' event to `Editor`

---
 spec/app/editor-spec.coffee | 15 ++++++++++++++-
 src/app/editor.coffee       |  2 ++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/spec/app/editor-spec.coffee b/spec/app/editor-spec.coffee
index 46b69d36d..8f7f6f7d9 100644
--- a/spec/app/editor-spec.coffee
+++ b/spec/app/editor-spec.coffee
@@ -152,7 +152,7 @@ describe "Editor", ->
       expect(otherEditSession.buffer.subscriptionCount()).toBe 0
 
   describe "when 'close' is triggered", ->
-    it "closes active edit session and loads next edit session", ->
+    it "closes the active edit session and loads next edit session", ->
       editor.edit(rootView.project.buildEditSessionForPath())
       editSession = editor.activeEditSession
       spyOn(editSession.buffer, 'isModified').andReturn false
@@ -163,6 +163,19 @@ describe "Editor", ->
       expect(editor.remove).not.toHaveBeenCalled()
       expect(editor.getBuffer()).toBe buffer
 
+    it "triggers the 'editor:edit-session-removed' event with the edit session and its former index", ->
+      editor.edit(rootView.project.buildEditSessionForPath())
+      editSession = editor.activeEditSession
+      index = editor.getActiveEditSessionIndex()
+      spyOn(editSession.buffer, 'isModified').andReturn false
+
+      editSessionRemovedHandler = jasmine.createSpy('editSessionRemovedHandler')
+      editor.on 'editor:edit-session-removed', editSessionRemovedHandler
+      editor.trigger "core:close"
+
+      expect(editSessionRemovedHandler).toHaveBeenCalled()
+      expect(editSessionRemovedHandler.argsForCall[0][1..2]).toEqual [editSession, index]
+
     it "calls remove on the editor if there is one edit session and mini is false", ->
       editSession = editor.activeEditSession
       expect(editor.mini).toBeFalsy()
diff --git a/src/app/editor.coffee b/src/app/editor.coffee
index ef7206e09..9d0c08fbe 100644
--- a/src/app/editor.coffee
+++ b/src/app/editor.coffee
@@ -399,9 +399,11 @@ class Editor extends View
       @remove()
     else
       editSession = @activeEditSession
+      index = @getActiveEditSessionIndex()
       @loadPreviousEditSession()
       _.remove(@editSessions, editSession)
       editSession.destroy()
+      @trigger 'editor:edit-session-removed', [editSession, index]
 
   loadNextEditSession: ->
     nextIndex = (@getActiveEditSessionIndex() + 1) % @editSessions.length