Make 'Split <direction>' context menu option work with directories

lib/tree-view.coffee

@@ -463,12 +463,25 @@ class TreeView
     return unless selectedEntry?
 
     pane = atom.workspace.getCenter().getActivePane()
-    if pane and selectedEntry.classList.contains('file')
-      if atom.workspace.getCenter().getActivePaneItem()
-        split = pane.split orientation, side
-        atom.workspace.openURIInPane selectedEntry.getPath(), split
-      else
-        @openSelectedEntry yes
+    if pane
+      if selectedEntry.classList.contains('file')
+        if atom.workspace.getCenter().getActivePaneItem()
+          split = pane.split orientation, side
+          atom.workspace.openURIInPane selectedEntry.getPath(), split
+        else
+          @openSelectedEntry yes
+      else if selectedEntry.classList.contains('directory')
+        if atom.workspace.getCenter().getActivePaneItem()
+          split = pane.split orientation, side
+          selectedEntry.directory.entries.forEach((subEntry) ->
+            unless subEntry instanceof Directory
+              atom.workspace.openURIInPane subEntry.realPath, split
+          )
+        else
+          selectedEntry.directory.entries.forEach((subEntry) ->
+            unless subEntry instanceof Directory
+              atom.workspace.openURIInPane subEntry.realPath, pane
+          )
 
   openSelectedEntryRight: ->
     @openSelectedEntrySplit 'horizontal', 'after'

menus/tree-view.cson

@@ -41,7 +41,7 @@
     {'label': 'Open In New Window', 'command': 'tree-view:open-in-new-window'}
   ]
 
-  '.tree-view .full-menu [is="tree-view-file"]': [
+  '.tree-view .full-menu [is^="tree-view"]': [
     {'label': 'Split Up', 'command': 'tree-view:open-selected-entry-up'}
     {'label': 'Split Down', 'command': 'tree-view:open-selected-entry-down'}
     {'label': 'Split Left', 'command': 'tree-view:open-selected-entry-left'}

spec/tree-view-package-spec.coffee

@@ -1291,6 +1291,29 @@ describe "TreeView", ->
           atom.commands.dispatch(treeView.element, 'tree-view:expand-item')
           expect(atom.workspace.getCenter().getActivePaneItem()).toBeUndefined()
 
+  describe "opening directory in a split pane", ->
+    beforeEach ->
+      jasmine.attachToDOM(workspaceElement)
+      treeView.selectEntryForPath path1
+      atom.commands.dispatch(treeView.element, 'tree-view:open-selected-entry-right')
+      pane = atom.workspace.getCenter().getPanes()[0]
+      waitsFor ->
+        pane.getItems().length >= 2
+
+    it "opens a single pane", ->
+      expect(atom.workspace.getCenter().getPanes().length).toBe 1
+
+    it "opens the directory files in pane 0 and focuses it", ->
+      pane = atom.workspace.getCenter().getPanes()[0]
+      itemPaths = pane.getItems().map (item) -> item.getPath()
+
+      expect(atom.views.getView(pane)).toHaveFocus()
+      expect(itemPaths.length).toBe(2)
+
+      expect(itemPaths).toContain atom.project.getDirectories()[0].resolve('tree-view.js')
+      expect(itemPaths).toContain atom.project.getDirectories()[0].resolve('tree-view.txt')
+
+
   describe "opening in existing split panes", ->
     beforeEach ->
       jasmine.attachToDOM(workspaceElement)