Contribution by Chris---

Default.sublime-commands

@@ -0,0 +1,10 @@
+[
+	{ 
+		"caption": "Dictionaries: Set Language", 
+		"command": "dic_set_language"
+	},
+	{ 
+		"caption": "Dictionaries: Set Language (Current View)", 
+		"command": "dic_set_view_language"
+	}
+]

Dictionaries.py

@@ -0,0 +1,44 @@
+import sublime, sublime_plugin
+
+import fnmatch, os.path
+
+def find_resources(pattern):
+	resources = []
+	if hasattr(sublime, 'find_resources'):
+		resources = sublime.find_resources(pattern)
+	else:
+		for root, dir_names, file_names in os.walk(sublime.packages_path()):
+			if ".git" in root:
+				continue
+			for file_name in file_names:
+				rel_path = os.path.relpath(os.path.join(root, file_name), sublime.packages_path())
+				if fnmatch.fnmatch(rel_path.lower(), "*" + pattern.lower()):
+					resources += [os.path.join('Packages', rel_path).replace(os.sep, "/")]
+	return resources
+
+
+class DicSetViewLanguageCommand(sublime_plugin.TextCommand):
+
+	def run(self, edit):
+		items = find_resources("*.dic")
+
+		def on_done(i):
+			if i >= 0:
+				settings = self.view.settings()
+				settings.set("dictionary", items[i])
+
+		self.view.window().show_quick_panel(items, on_done)
+
+
+class DicSetLanguageCommand(sublime_plugin.WindowCommand):
+
+	def run(self):
+		items = find_resources("*.dic")
+
+		def on_done(i):
+			if i >= 0:
+				settings = sublime.load_settings("Preferences.sublime-settings")
+				settings.set("dictionary", items[i])
+				sublime.save_settings("Preferences.sublime-settings")
+
+		self.window.show_quick_panel(items, on_done)