dotfiles/.vim/bundle/vim-nerdtree/lib/nerdtree/menu_item.vim
2023-08-19 13:25:19 +02:00

119 lines
3.4 KiB
VimL

"CLASS: MenuItem
"============================================================
let s:MenuItem = {}
let g:NERDTreeMenuItem = s:MenuItem
"FUNCTION: MenuItem.All() {{{1
"get all top level menu items
function! s:MenuItem.All()
if !exists('s:menuItems')
let s:menuItems = []
endif
return s:menuItems
endfunction
"FUNCTION: MenuItem.AllEnabled() {{{1
"get all top level menu items that are currently enabled
function! s:MenuItem.AllEnabled()
let toReturn = []
for i in s:MenuItem.All()
if i.enabled()
call add(toReturn, i)
endif
endfor
return toReturn
endfunction
"FUNCTION: MenuItem.Create(options) {{{1
"make a new menu item and add it to the global list
function! s:MenuItem.Create(options)
let newMenuItem = copy(self)
let newMenuItem.text = a:options['text']
let newMenuItem.shortcut = a:options['shortcut']
let newMenuItem.children = []
let newMenuItem.isActiveCallback = -1
if has_key(a:options, 'isActiveCallback')
let newMenuItem.isActiveCallback = a:options['isActiveCallback']
endif
let newMenuItem.callback = -1
if has_key(a:options, 'callback')
let newMenuItem.callback = a:options['callback']
endif
if has_key(a:options, 'parent')
call add(a:options['parent'].children, newMenuItem)
else
call add(s:MenuItem.All(), newMenuItem)
endif
return newMenuItem
endfunction
"FUNCTION: MenuItem.CreateSeparator(options) {{{1
"make a new separator menu item and add it to the global list
function! s:MenuItem.CreateSeparator(options)
let standard_options = { 'text': '--------------------',
\ 'shortcut': -1,
\ 'callback': -1 }
let options = extend(a:options, standard_options, 'force')
return s:MenuItem.Create(options)
endfunction
"FUNCTION: MenuItem.CreateSubmenu(options) {{{1
"make a new submenu and add it to global list
function! s:MenuItem.CreateSubmenu(options)
let standard_options = { 'callback': -1 }
let options = extend(a:options, standard_options, 'force')
return s:MenuItem.Create(options)
endfunction
"FUNCTION: MenuItem.enabled() {{{1
"return 1 if this menu item should be displayed
"
"delegates off to the isActiveCallback, and defaults to 1 if no callback was
"specified
function! s:MenuItem.enabled()
if self.isActiveCallback != -1
return type(self.isActiveCallback) == type(function('tr')) ? self.isActiveCallback() : {self.isActiveCallback}()
endif
return 1
endfunction
"FUNCTION: MenuItem.execute() {{{1
"perform the action behind this menu item, if this menuitem has children then
"display a new menu for them, otherwise deletegate off to the menuitem's
"callback
function! s:MenuItem.execute()
if len(self.children)
let mc = g:NERDTreeMenuController.New(self.children)
call mc.showMenu()
else
if self.callback != -1
if type(self.callback) == type(function('tr'))
call self.callback()
else
call {self.callback}()
endif
endif
endif
endfunction
"FUNCTION: MenuItem.isSeparator() {{{1
"return 1 if this menuitem is a separator
function! s:MenuItem.isSeparator()
return self.callback == -1 && self.children == []
endfunction
"FUNCTION: MenuItem.isSubmenu() {{{1
"return 1 if this menuitem is a submenu
function! s:MenuItem.isSubmenu()
return self.callback == -1 && !empty(self.children)
endfunction
" vim: set sw=4 sts=4 et fdm=marker: