Respect initialLine and initialColumn options when reopening a file

Fix #1743

spec/text-editor-spec.coffee

@@ -78,6 +78,37 @@ describe "TextEditor", ->
         expect(editor.getLastCursor().getBufferPosition().row).toEqual 0
         expect(editor.getLastCursor().getBufferPosition().column).toEqual 8
 
+  describe "when the editor is reopened with an initialLine option", ->
+    it "positions the cursor on the specified line", ->
+      editor = null
+
+      waitsForPromise ->
+        atom.workspace.open('sample.less', initialLine: 5).then (o) -> editor = o
+
+      waitsForPromise ->
+        atom.workspace.open('sample.less', initialLine: 4).then (o) -> editor = o
+
+      runs ->
+        buffer = editor.buffer
+        expect(editor.getLastCursor().getBufferPosition().row).toEqual 4
+        expect(editor.getLastCursor().getBufferPosition().column).toEqual 0
+
+  describe "when the editor is reopened with an initialColumn option", ->
+    it "positions the cursor on the specified column", ->
+      editor = null
+
+      waitsForPromise ->
+        atom.workspace.open('sample.less', initialColumn: 8).then (o) -> editor = o
+
+      waitsForPromise ->
+        atom.workspace.open('sample.less', initialColumn: 7).then (o) -> editor = o
+
+      runs ->
+        buffer = editor.buffer
+        expect(editor.getLastCursor().getBufferPosition().row).toEqual 0
+        expect(editor.getLastCursor().getBufferPosition().column).toEqual 7
+
+
   describe ".copy()", ->
     it "returns a different edit session with the same initial state", ->
       editor.setSelectedBufferRange([[1, 2], [3, 4]])

src/browser/atom-application.coffee

@@ -359,7 +359,7 @@ class AtomApplication
 
     if existingWindow?
       openedWindow = existingWindow
-      openedWindow.openPath(pathToOpen, initialLine)
+      openedWindow.openPath(pathToOpen, initialLine, initialColumn)
       if openedWindow.isMinimized()
         openedWindow.restore()
       else

src/workspace.coffee

@@ -455,6 +455,8 @@ class Workspace extends Model
         @itemOpened(item)
         pane.activateItem(item)
         pane.activate() if activatePane
+        if options.initialLine? or options.initialColumn?
+          item.setCursorBufferPosition([options.initialLine, options.initialColumn])
         index = pane.getActiveItemIndex()
         @emit "uri-opened"
         @emitter.emit 'did-open', {uri, pane, item, index}