Open CodeBehind/CodeFile from WebForms front end

foo.ascx to foo.ascx.cs

Author: Michael Lyons

WebForms/WebForms.sublime-commands

@@ -0,0 +1,6 @@
+[
+    {
+        "caption": "C# WebForms: Open CodeBehind/CodeFile",
+        "command": "open_code_file_from_front_end",
+    },
+]

WebForms/WebForms.sublime-syntax

@@ -61,6 +61,16 @@ contexts:
         4: punctuation.definition.string.begin.cs-webforms
         5: punctuation.definition.string.end.cs-webforms
 
+  directive-codefile-attribute:
+    - match: \b(CodeBehind|CodeFile)\s*(?:(=)\s*((")([^"]*)("))?)?\s*
+      captures:
+        1: entity.other.attribute-name.cs-webforms
+        2: punctuation.separator.key-value.cs-webforms
+        3: string.quoted.double.cs-webforms
+        4: punctuation.definition.string.begin.cs-webforms
+        5: meta.path.codefile.cs-webforms
+        6: punctuation.definition.string.end.cs-webforms
+
   directive-end:
     - match: '{{csharp_tag_end}}'
       scope: punctuation.section.embedded.end.cs-webforms

WebForms/ascx.sublime-syntax

@@ -19,5 +19,6 @@ contexts:
       scope: constant.language.processing-directive.cs-webforms entity.name.class.cs
       set:
         - meta_scope: meta.block.processing-directive.contents.type.cs-webforms
+        - include: directive-codefile-attribute
         - include: directive-generic-attribute
         - include: directive-end

WebForms/aspx.sublime-syntax

@@ -19,5 +19,6 @@ contexts:
       scope: constant.language.processing-directive.cs-webforms entity.name.class.cs
       set:
         - meta_scope: meta.block.processing-directive.contents.type.cs-webforms
+        - include: directive-codefile-attribute
         - include: directive-generic-attribute
         - include: directive-end

WebForms/master.sublime-syntax

@@ -19,5 +19,6 @@ contexts:
       scope: constant.language.processing-directive.cs-webforms entity.name.class.cs
       set:
         - meta_scope: meta.block.processing-directive.contents.type.cs-webforms
+        - include: directive-codefile-attribute
         - include: directive-generic-attribute
         - include: directive-end

webforms.py

@@ -0,0 +1,17 @@
+import sublime
+import sublime_plugin
+
+
+class OpenCodeFileFromFrontEndCommand(sublime_plugin.TextCommand):
+    """Open foo.ascx.cs from foo.ascx"""
+
+    def is_enabled(self):
+        if ((self.view.match_selector(0, 'text.html.cs.webforms')
+             and self.view.find_by_selector('meta.path.codefile'))):
+            return True
+        return False
+
+    def run(self, edit):
+        region = self.view.find_by_selector('meta.path.codefile')[0]
+        codefile = self.view.substr(region)
+        self.view.window().open_file(str(codefile))