Init callback

README.md

@@ -1,4 +1,5 @@
 ## News
+* New command Init
 * [New feature](#callbacks) ``project#utils#alternate``. To alternate between `file.ext` and
   ``file_suffix.ext`` or ``fileSuffix.ext`` with the command ``:A``
 * [Windows support added](https://twitter.com/amiorin/status/336003331984076800)
@@ -7,17 +8,21 @@
 A Project is made of :
 * One directory (the ``root of the project``)
 * One title (by default the last part of the the ``root of the project``)
+* One or more ``inits``
 * One or more ``callbacks``
 
 Everytime you open a file nested in the ``root of the project``
 * the ``local current directory`` is changed to the ``root of the project``
 * the ``guitablabel`` is set to the ``title`` of the project
 * the ``callbacks`` of the project are executed
 
+Every time you choose project on the welcome screen, the ``inits`` of the
+project are executed.
+
 ![img][0]
 
 ## Commands
-There are four commands :
+There are five commands :
 * ``Project``
 It's used inside the ``.vimrc``. The first parameter is the ``path`` to the
 project. The second parameter is optional and it is the ``title`` of the
@@ -51,6 +56,11 @@ the name a function or an array of function names. This function or these
 functions are callbacks and they are executed everytime a file nested in the
 ``root of the project`` is opened with **one parameter** that is the ``title``
 of the project.
+* ``Init``
+It's used inside the ``.vimrc``. It works just as the ``Callback`` command, except
+it is executed _once_ when project is selected on the welcome screen. If welcome
+screen is not used (that is, ``g:project_enable_welcome`` is set to 0), this
+command does nothing.
 * ``Welcome`` It's the [``Startify``](https://github.com/mhinz/vim-startify) equivalent.
 If you don't want ``Welcome`` to appear when you start vim:
 
@@ -145,8 +155,13 @@ Project  'glib'
 Project  'reloadlive'
 Project  'flashcards'
 Project  'leitner'
+Init     'leitner'                              , 'Murphy'
 Callback 'leitner'                              , ['AddSpecToPath', 'RemoveTextWidth']
 
+function! Murphy(title)
+  colorscheme murphy
+endfunction
+
 function! AddSpecToPath(tile) abort
   setlocal path+=spec
 endfunction

autoload/project.vim

@@ -4,6 +4,9 @@ command! -nargs=+ Project
 command! -nargs=+ File
 \ call project#config#title(<args>)
 
+command! -nargs=+ Init
+\ enew | call project#config#init(<args>)
+
 command! -nargs=+ Callback
 \ call project#config#callback(<args>)
 

autoload/project/config.vim

@@ -24,7 +24,7 @@ function! project#config#project(arg, ...) abort
   if !isdirectory(project)
     return
   endif
-  let s:projects[title] = { "type": "project", "event": event, "project": project, "title": title, "callbacks": [], "pos": s:pos}
+  let s:projects[title] = { "type": "project", "event": event, "project": project, "title": title, "callbacks": [], "inits": [], "pos": s:pos}
   let s:pos += 1
   call s:setup()
 endfunction
@@ -42,6 +42,19 @@ function! project#config#callback(title, callback) abort
   call s:setup()
 endfunction
 
+function! project#config#init(title, callback) abort
+  if type(a:callback) == type([])
+    let callbacks = a:callback
+  else
+    let callbacks = [a:callback]
+  endif
+  let project_or_filename = s:projects[a:title]
+  for callback in callbacks
+    call add(project_or_filename["inits"], callback)
+  endfor
+  call s:setup()
+endfunction
+
 function! project#config#title(filename, title) abort
   let filename = s:full_path(a:filename)
   if !filereadable(filename)
@@ -50,7 +63,7 @@ function! project#config#title(filename, title) abort
   if !filereadable(filename)
     return
   else
-    let s:projects[a:title] = { "type": "filename", "event": filename, "title": a:title, "callbacks": [], "pos": s:pos }
+    let s:projects[a:title] = { "type": "filename", "event": filename, "title": a:title, "callbacks": [], "inits": [], "pos": s:pos }
     let s:pos += 1
     call s:setup()
   endif
@@ -144,10 +157,16 @@ function! project#config#welcome() abort
     endif
     let line = printf(printf('   ['. cnt .']'.padding.'%s '.file, '%-'.max_title_length.'s'), v["title"])
     call append('$', line)
+    let inits = ''
+    if (len(v['inits']) > 0)
+      for i in v['inits']
+        let inits = inits . ' \| call '.i.'("'.v["title"].'") '
+      endfor
+    endif
     if get(g:, 'project_use_nerdtree', 0) && isdirectory(file)
-      execute 'nnoremap <silent><buffer> '. cnt .' :enew \| NERDTree '. s:escape(file).lcd."<cr>"
+      execute 'nnoremap <silent><buffer> '. cnt .' :enew \| NERDTree '. s:escape(file).inits.lcd."<cr>"
     else
-      execute 'nnoremap <silent><buffer> '. cnt .' :edit '. s:escape(file).lcd."<cr>"
+      execute 'nnoremap <silent><buffer> '. cnt .' :edit '. s:escape(file).inits.lcd."<cr>"
     endif
     let cnt += 1
     if cnt == 10