Closes #308. Beautify On Save is opt-in for each language

Deprecate old global beautifyOnSave option

src/beautifiers/index.coffee

@@ -213,6 +213,13 @@ module.exports = class Beautifiers
                 description: "Default Beautifier to be used for #{name}"
                 enum: _.uniq(beautifiers)
             }
+            flatOptions["#{optionName}_beautify_on_save"] = {
+                title: "Language Config - #{name} - Beautify On Save"
+                type: 'boolean'
+                default: false
+                description: "Automatically beautify #{name} files on save"
+            }
+
         # logger.verbose('flatOptions', flatOptions)
         return flatOptions
 
@@ -236,7 +243,7 @@ module.exports = class Beautifiers
     ###
 
     ###
-    beautify: (text, allOptions, grammar, filePath) ->
+    beautify: (text, allOptions, grammar, filePath, {onSave}={}) ->
         return new Promise((resolve, reject) =>
             logger.info('beautify', text, allOptions, grammar, filePath)
 
@@ -247,13 +254,19 @@ module.exports = class Beautifiers
             # Check if unsupported language
             if languages.length < 1
                 unsupportedGrammar = true
+
+                # Check if on save
+                if onSave
+                    # Ignore this, as it was just a general file save, and
+                    # not intended to be beautified
+                    return resolve(null)
+
             else
                 # TODO: select appropriate language
                 language = languages[0]
 
                 # Get language config
                 langDisabled = atom.config.get("atom-beautify.language_#{language.namespace}_disabled")
-                preferredBeautifierName = atom.config.get("atom-beautify.language_#{language.namespace}_default_beautifier")
 
                 # Beautify!
                 unsupportedGrammar = false
@@ -261,6 +274,16 @@ module.exports = class Beautifiers
                 if langDisabled
                   return resolve(null)
 
+                # Get more language config
+                preferredBeautifierName = atom.config.get("atom-beautify.language_#{language.namespace}_default_beautifier")
+                beautifyOnSave = atom.config.get("atom-beautify.language_#{language.namespace}_beautify_on_save")
+                legacyBeautifyOnSave = atom.config.get("atom-beautify.beautifyOnSave")
+
+                # Verify if beautifying on save
+                if onSave and not (beautifyOnSave or legacyBeautifyOnSave)
+                    # Saving, and beautify on save is disabled
+                    return resolve(null)
+
                 # Options for Language
                 options = @getOptions(language.namespace, allOptions) || {}
                 # Support fallback for options

src/beautify.coffee

@@ -43,8 +43,21 @@ setCursors = (editor, posArray) ->
   return
 
 beautify = ({onSave}) ->
-  # Verify if beautify on save
-  return if onSave and atom.config.get("atom-beautify.beautifyOnSave") is false
+  # Deprecation warning for beautify on save
+  if atom.config.get("atom-beautify.beautifyOnSave") is true
+      detail = """See issue https://github.com/Glavin001/atom-beautify/issues/308
+
+      To stop seeing this message:
+      - Uncheck (disable) the deprecated \"Beautify On Save\" option
+
+      To enable Beautify on Save for a particular language:
+      - Go to Atom Beautify's package settings
+      - Find option for \"Language Config - <Your Language> - Beautify On Save\"
+      - Check (enable) Beautify On Save option for that particular language
+
+      """
+      atom?.notifications.addWarning("The option \"atom-beautify.beautifyOnSave\" has been deprecated", {detail, dismissable: true})
+
   # Continue beautifying
   path ?= require("path")
   LoadingView ?= require "./views/loading-view"
@@ -133,7 +146,7 @@ beautify = ({onSave}) ->
   grammarName = editor.getGrammar().name
   # Finally, beautify!
   try
-    beautifier.beautify(text, allOptions, grammarName, editedFilePath)
+    beautifier.beautify(text, allOptions, grammarName, editedFilePath, onSave:onSave)
     .then(beautifyCompleted)
     .catch(beautifyCompleted)
   catch e
@@ -350,6 +363,7 @@ plugin.config = _.merge(
       description: 'Set the level for the logger'
       enum: ['verbose','debug','info','warn','error']
   beautifyOnSave:
+    title: "DEPRECATED: Beautfy On Save"
     type: 'boolean'
     default: false
     description: "Beautify active editor on save"