Fix #193: Tab icons not updating when renaming extensions

CHANGELOG.md

@@ -11,6 +11,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - **Support:** `.ad`, `.am`, `.desktop`, `.directory`, `.ebuild`, `.install`, `.m4`, `.menu`, `_osc`, `PKGBUILD`, `.sed`, `_service`, `.spacemacs`
 - Support for numerous GNU Automake/Autoconf files
 
+### Fixed
+- [[`#193`](https://github.com/DanBrooker/file-icons/issues/193)] Tab icons now update when changing file extensions
+- [[`#316`](https://github.com/DanBrooker/file-icons/issues/316)] Newly-saved files now display icons in tab
+
 
 [1.7.1] - 2016-04-05
 --------------------

index.coffee

@@ -49,24 +49,44 @@ module.exports =
 
 
   observe: (enabled) ->
+
+    # Setting up observers
     if enabled
       @observer = atom.workspace.observeTextEditors (editor) ->
+        workspace = atom.views.getView(atom.workspace)
+        openedFile = editor.getPath()
 
         # New file
-        if not editor.getFileName()?
+        unless openedFile
           onSave = editor.onDidSave (file) ->
-            pane = atom.views.getView(atom.workspace.getActivePane())
-            tab  = pane?.querySelector(".tab-bar > .active.tab > .title")
+            tab = workspace?.querySelector(".tab-bar > .active.tab > .title")
 
             # Patch data-* attributes to fix missing tab-icon
-            if not tab.dataset.path
+            if not tab?.dataset.path
               {path} = file
               tab.dataset.path = path
               tab.dataset.name = basename path
 
             # Remove the listener
             onSave.dispose()
+
+        # Existing file: wait for pane to finish loading before querying the DOM
+        else
+          onDone = editor.onDidStopChanging () ->
+            tabs = workspace?.querySelectorAll(".pane > .tab-bar > .tab")
+            fileTabs = [].filter.call tabs, (tab) -> tab?.item is editor
+
+            # When a file's been renamed, patch the dataset of each tab that has it open
+            editor.onDidChangePath (path) =>
+              for tab in fileTabs
+                title = tab.itemTitle
+                title.dataset.path = path
+                title.dataset.name = basename path
 
+            # Drop the registration listener
+            onDone.dispose()
+
+    # Disable observers if deactivating package
     else if @observer?
       @observer.dispose()