From 9c5c4e43da980deebda1d314e900a6537d785ef6 Mon Sep 17 00:00:00 2001
From: Seongjae Lee <seongjae@gmail.com>
Date: Sat, 26 Sep 2015 00:16:36 -0700
Subject: [PATCH] Add interlink highlight and jump features

---
 grammars/nvatom.cson                | 27 ++++++++++++++++++++++
 keymaps/notational-velocity.cson    |  2 ++
 lib/notational-velocity-view.coffee |  8 +++----
 lib/notational-velocity.coffee      | 10 ++++----
 lib/notelink.coffee                 | 36 +++++++++++++++++++++++++++++
 lib/utility.coffee                  | 15 ++++++++++++
 package.json                        | 12 +++++++++-
 7 files changed, 101 insertions(+), 9 deletions(-)
 create mode 100644 grammars/nvatom.cson
 create mode 100644 lib/notelink.coffee
 create mode 100644 lib/utility.coffee

diff --git a/grammars/nvatom.cson b/grammars/nvatom.cson
new file mode 100644
index 0000000..9f3ef18
--- /dev/null
+++ b/grammars/nvatom.cson
@@ -0,0 +1,27 @@
+'name': 'nvAtom Markdown'
+'scopeName': 'source.gfm'
+'fileTypes': [
+  'markdown'
+  'md'
+  'mdown'
+  'mkd'
+  'mkdown'
+  'rmd'
+  'ron'
+]
+'patterns': [
+  {
+    'include': 'source.gfm'
+  }
+  {
+    'match': '(\\[\\[)([^\\[\\]\|]+)(\\]\\])'
+    'name': 'interlink'
+    'captures':
+      '1':
+        'name': 'punctuation.definition.begin.gfm'
+      '2':
+        'name': 'markup.underline.link.interlink.gfm'
+      '3':
+        'name': 'punctuation.definition.begin.gfm'
+  }
+]
diff --git a/keymaps/notational-velocity.cson b/keymaps/notational-velocity.cson
index 19c1d36..12c93fd 100644
--- a/keymaps/notational-velocity.cson
+++ b/keymaps/notational-velocity.cson
@@ -9,3 +9,5 @@
 # https://atom.io/docs/latest/advanced/keymaps
 'atom-workspace':
   'alt-cmd-l': 'nvatom:toggle'
+'atom-workspace atom-text-editor':
+  'alt-cmd-o': 'nvatom:openInterlink'
diff --git a/lib/notational-velocity-view.coffee b/lib/notational-velocity-view.coffee
index 1279c89..143b22e 100644
--- a/lib/notational-velocity-view.coffee
+++ b/lib/notational-velocity-view.coffee
@@ -3,6 +3,7 @@ fs = require 'fs-plus'
 _ = require 'underscore-plus'
 {$, $$, SelectListView} = require 'atom-space-pen-views'
 DocQuery = require 'docquery'
+Utility = require './utility'
 
 module.exports =
 class NotationalVelocityView extends SelectListView
@@ -10,7 +11,7 @@ class NotationalVelocityView extends SelectListView
     @initializedAt = new Date()
     super
     @addClass('nvatom from-top overlay')
-    @rootDirectory = fs.normalize(atom.config.get('nvatom.directory'))
+    @rootDirectory = Utility.getNoteDirectory()
     unless fs.existsSync(@rootDirectory)
       throw new Error("The given directory #{@rootDirectory} does not exist. "
         + "Set the note directory to the existing one from Settings.")
@@ -90,10 +91,9 @@ class NotationalVelocityView extends SelectListView
 
   confirmSelection: ->
     item = @getSelectedItem()
+    sanitizedQuery = Utility.trim(@getFilterQuery())
+    calculatedPath = Utility.getNotePath(sanitizedQuery)
     filePath = null
-    sanitizedQuery = @getFilterQuery().replace(/\s+$/, '')
-    extension = if atom.config.get('nvatom.extensions').length then atom.config.get('nvatom.extensions')[0] else '.md'
-    calculatedPath = path.join(@rootDirectory, sanitizedQuery + extension)
     if item?
       filePath = item.filePath
     else if fs.existsSync(calculatedPath)
diff --git a/lib/notational-velocity.coffee b/lib/notational-velocity.coffee
index d89ff65..fb9ea9a 100644
--- a/lib/notational-velocity.coffee
+++ b/lib/notational-velocity.coffee
@@ -1,6 +1,7 @@
 path = require 'path'
 fs = require 'fs-plus'
 {CompositeDisposable, Disposable} = require 'atom'
+NoteLink = require './notelink'
 
 module.exports =
   config:
@@ -49,8 +50,11 @@ module.exports =
 
     @subscriptions.add atom.workspace.onWillDestroyPaneItem ({item}) => @autosave(item) unless @autodelete(item)
 
+    @noteLink = new NoteLink()
+
   deactivate: ->
     @subscriptions.dispose()
+    @noteLink.destroy()
     @notationalVelocityView.destroy()
 
   serialize: ->
@@ -66,15 +70,13 @@ module.exports =
     return unless paneItem?.getURI?()?
     return unless paneItem?.isModified?()
     uri = paneItem.getURI()
-    return unless uri.indexOf(@rootDirectory) is 0
-    return unless path.extname(uri) in atom.config.get('nvatom.extensions')
+    return unless Utility.isNote(uri)
     paneItem?.save?()
 
   autodelete: (paneItem) ->
     return false unless paneItem?.getURI?()?
     uri = paneItem.getURI()
-    return false unless uri.indexOf(@rootDirectory) is 0
-    return false unless path.extname(uri) in atom.config.get('nvatom.extensions')
+    return unless Utility.isNote(uri)
     return false unless paneItem?.isEmpty()
     fs.unlinkSync(uri)
     noteName = uri.substring(@rootDirectory.length + 1)
diff --git a/lib/notelink.coffee b/lib/notelink.coffee
new file mode 100644
index 0000000..41b7dbb
--- /dev/null
+++ b/lib/notelink.coffee
@@ -0,0 +1,36 @@
+fs = require 'fs-plus'
+{CompositeDisposable} = require 'atom'
+Utility = require './utility'
+
+module.exports =
+class NoteLink
+  constructor: ->
+    @subscriptions = new CompositeDisposable
+    @subscriptions.add atom.commands.add 'atom-workspace', 'nvatom:openInterlink': => @openInterlink()
+
+  destroy: ->
+    @subscriptions.dispose()
+
+  openInterlink: ->
+    editor = atom.workspace.getActiveTextEditor()
+    return unless editor?
+    return unless Utility.isNote(editor.getPath())
+
+    noteTitle = @getInterlinkUnderCursor(editor)
+    return unless noteTitle?
+    return unless noteTitle.length
+
+    notePath = Utility.getNotePath(noteTitle)
+
+    unless fs.existsSync(notePath)
+      fs.writeFileSync(notePath, '')
+    atom.workspace.open(notePath)
+
+  getInterlinkUnderCursor: (editor) ->
+    cursorPosition = editor.getCursorBufferPosition()
+    token = editor.tokenForBufferPosition(cursorPosition)
+    return unless token
+    return unless token.value
+    return unless token.scopes.indexOf('markup.underline.link.interlink.gfm') > -1
+
+    return token.value
diff --git a/lib/utility.coffee b/lib/utility.coffee
new file mode 100644
index 0000000..34c7f01
--- /dev/null
+++ b/lib/utility.coffee
@@ -0,0 +1,15 @@
+path = require 'path'
+fs = require 'fs-plus'
+
+module.exports =
+class Utility
+
+  @getNotePath: (title) -> path.join(Utility.getNoteDirectory(), Utility.trim(title) + Utility.getPrimaryNoteExtension())
+
+  @getNoteDirectory: -> fs.normalize(atom.config.get('nvatom.directory'))
+
+  @getPrimaryNoteExtension: -> if atom.config.get('nvatom.extensions').length then atom.config.get('nvatom.extensions')[0] else '.md'
+
+  @isNote: (filePath) -> filePath.startsWith(Utility.getNoteDirectory()) and path.extname(filePath) in atom.config.get('nvatom.extensions')
+
+  @trim: (str) -> str?.replace /^\s+|\s+$/g, ''
diff --git a/package.json b/package.json
index 8be3b98..7e222a4 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,18 @@
   ],
   "description": "Notational Velocity for Atom",
   "activationCommands": {
-    "atom-workspace": "nvatom:toggle"
+    "atom-workspace": [
+      "nvatom:toggle",
+      "nvatom:openInterlink"
+    ]
   },
+  "keywords": [
+    "wiki",
+    "notational velocity",
+    "nvatom",
+    "note",
+    "notetaking"
+  ],
   "repository": "https://github.com/seongjaelee/nvatom",
   "license": "MIT",
   "engines": {