Add Pane.itemForPath

spec/app/pane-spec.coffee

@@ -101,3 +101,8 @@ describe "Pane", ->
       pane.remove()
       expect(editSession1.destroyed).toBeTruthy()
       expect(editSession2.destroyed).toBeTruthy()
+
+  describe ".itemForPath(path)", ->
+    it "returns the item for which a call to .getPath() returns the given path", ->
+      expect(pane.itemForPath(editSession1.getPath())).toBe editSession1
+      expect(pane.itemForPath(editSession2.getPath())).toBe editSession2

src/app/pane.coffee

@@ -67,6 +67,9 @@ class Pane extends View
     item.destroy?()
     @cleanupItemView(item)
 
+  itemForPath: (path) ->
+    _.detect @items, (item) -> item.getPath?() is path
+
   cleanupItemView: (item) ->
     if item instanceof $
       item.remove()
@@ -101,7 +104,6 @@ class Pane extends View
 
   verticalGridUnits: -> 1
 
-
   splitUp: (view) ->
     @split(view, 'column', 'before')