vim-easymotion/autoload/vital/_easymotion/Over/Commandline.vim
2014-02-06 19:08:14 +09:00

434 lines
8.4 KiB
VimL

scriptencoding utf-8
let s:save_cpo = &cpo
set cpo&vim
let s:modules = [
\ "Scroll",
\ "CursorMove",
\ "Delete",
\ "HistAdd",
\ "History",
\ "Cancel",
\ "Enter",
\ "NoInsert",
\ "InsertRegister",
\]
function! s:_vital_loaded(V)
let s:V = a:V
for module in s:modules
let s:{module} = s:V.import('Over.Commandline.Modules.' . module)
endfor
let s:String = s:V.import("Over.String")
endfunction
function! s:_vital_depends()
return ["Over.String"]
\ + map(copy(s:modules), "'Over.Commandline.Modules.' . v:val")
endfunction
function! s:get_module(name)
if exists("s:" . a:name)
return s:{a:name}
endif
let s:{a:name} = s:V.import('Over.Commandline.Modules.' . a:name)
return s:{a:name}
endfunction
function! s:make_plain(prompt)
let result = s:make(a:prompt)
let result.prompt = a:prompt
call result.connect("Enter")
call result.connect("Cancel")
return result
endfunction
function! s:make_standard(prompt)
let result = s:make_plain(a:prompt)
call result.connect("Delete")
call result.connect("CursorMove")
call result.connect("HistAdd")
call result.connect("History")
call result.connect("InsertRegister")
call result.connect(s:get_module("NoInsert").make_special_chars())
return result
endfunction
function! s:make(prompt)
return deepcopy(s:base)
endfunction
let s:base = {
\ "prompt" : "",
\ "line" : {},
\ "variables" : {
\ "char" : "",
\ "input" : "",
\ "tap_key" : "",
\ "exit" : 0,
\ "keymapping" : {},
\ "modules" : {},
\ },
\ "highlights" : {
\ "prompt" : "NONE",
\ "cursor" : "OverCommandLineDefaultCursor",
\ "cursor_insert" : "OverCommandLineDefaultCursorInsert"
\ },
\}
function! s:base.getline()
return self.line.str()
endfunction
function! s:base.setline(line)
return self.line.set(a:line)
endfunction
function! s:base.char()
return self.variables.char
endfunction
function! s:base.setchar(char)
let self.variables.input = a:char
endfunction
function! s:base.getpos()
return self.line.pos()
endfunction
function! s:base.setpos(pos)
return self.line.set_pos(a:pos)
endfunction
function! s:base.tap_keyinput(key)
let self.variables.tap_key = a:key
endfunction
function! s:base.untap_keyinput(key)
if self.variables.tap_key == a:key
let self.variables.tap_key = ""
return 1
endif
endfunction
function! s:base.get_tap_key()
return self.variables.tap_key
endfunction
function! s:base.is_input(key, ...)
let prekey = get(a:, 1, "")
return self.get_tap_key() == prekey
\ && self.char() == a:key
endfunction
function! s:base.input_key()
return self.variables.input_key
endfunction
function! s:base.insert(word, ...)
if a:0
call self.line.set(a:1)
endif
call self.line.input(a:word)
endfunction
function! s:base.forward()
return self.line.forward()
endfunction
function! s:base.backward()
return self.line.backward()
endfunction
function! s:base.connect(module, ...)
if type(a:module) == type("")
return self.connect(s:get_module(a:module).make())
endif
let name = get(a:, 1, a:module.name)
let self.variables.modules[name] = a:module
endfunction
function! s:base.disconnect(name)
unlet self.variables.modules[a:name] = a:module
endfunction
for s:_ in ["enter", "leave", "char", "char_pre", "execute_pre", "execute_failed", "execute", "cancel"]
execute join([
\ "function! s:base._on_" . s:_ . "()",
\ " call map(copy(self.variables.modules), 'has_key(v:val, \"on_" . s:_ . "\") ? v:val.on_" . s:_ . "(self) : 0')",
\ " call self.on_" . s:_ . "()",
\ "endfunction",
\ ], "\n")
execute "function! s:base.on_" . s:_ . "()"
endfunction
endfor
unlet s:_
function! s:base.cmap(lhs, rhs)
let self.variables.keymapping[a:lhs] = a:rhs
endfunction
function! s:base.cnoremap(lhs, rhs)
let self.variables.keymapping[a:lhs] = {
\ "key" : a:rhs,
\ "noremap" : 1,
\ }
endfunction
function! s:base.cunmap(lhs)
unlet self.variables.keymapping[a:lhs]
endfunction
function! s:base.keymapping()
return {}
endfunction
function! s:base.execute()
execute self.getline()
endfunction
function! s:base.exit(...)
let self.variables.exit = 1
let self.variables.exit_code = get(a:, 1, 0)
endfunction
" function! s:base.cancel()
" call self.exit(1)
" call self._on_cancel()
" endfunction
function! s:base.exit_code()
return self.variables.exit_code
endfunction
function! s:base.hl_cursor_on()
if exists("self.variables.old_hi_cursor")
execute "highlight Cursor " . self.variables.old_hi_cursor
unlet self.variables.old_hi_cursor
endif
if exists("self.variables.old_t_ve")
let &t_ve = self.variables.old_t_ve
unlet self.variables.old_t_ve
endif
endfunction
function! s:base.hl_cursor_off()
if exists("self.variables.old_hi_cursor")
return self.variables.old_hi_cursor
endif
let self.variables.old_hi_cursor = "cterm=reverse"
if hlexists("Cursor")
let save_verbose = &verbose
let &verbose = 0
try
redir => cursor
silent highlight Cursor
redir END
finally
let &verbose = save_verbose
endtry
let hl = substitute(matchstr(cursor, 'xxx \zs.*'), '[ \t\n]\+\|cleared', ' ', 'g')
if !empty(substitute(hl, '\s', '', 'g'))
let self.variables.old_hi_cursor = hl
endif
highlight Cursor NONE
endif
let self.variables.old_t_ve = &t_ve
set t_ve=
return self.variables.old_hi_cursor
endfunction
function! s:base.start(...)
let exit_code = call(self._main, a:000, self)
if exit_code == 0
call self._execute()
endif
endfunction
function! s:base.get(...)
let exit_code = call(self._main, a:000, self)
if exit_code == 0
return self.getline()
endif
return ""
endfunction
function! s:base._init()
let self.variables.tap_key = ""
let self.variables.char = ""
let self.variables.input = ""
let self.variables.exit = 0
let self.variables.exit_code = 1
let hl_cursor = self.hl_cursor_off()
if !hlexists("OverCommandLineDefaultCursor")
execute "highlight OverCommandLineDefaultCursor " . hl_cursor
endif
if !hlexists("OverCommandLineDefaultCursorInsert")
execute "highlight OverCommandLineDefaultCursorInsert " . hl_cursor . " term=underline gui=underline"
endif
endfunction
function! s:base._execute()
call s:redraw()
call self._on_execute_pre()
try
call self.execute()
catch
echohl ErrorMsg
echo matchstr(v:exception, 'Vim\((\w*)\)\?:\zs.*\ze')
echohl None
call self._on_execute_failed()
finally
call self._on_execute()
endtry
endfunction
function! s:base._main(...)
try
call self._init()
let self.line = deepcopy(s:String.make(get(a:, 1, "")))
call self._on_enter()
while !self._is_exit()
call s:_echo_cmdline(self)
let self.variables.input_key = s:_getchar()
let self.variables.char = s:_unmap(self._get_keymapping(), self.variables.input_key)
call self.setchar(self.variables.char)
call self._on_char_pre()
call self.insert(self.variables.input)
call self._on_char()
endwhile
catch
echohl ErrorMsg | echo v:throwpoint . " " . v:exception | echohl None
return -1
finally
call self._finish()
call self._on_leave()
endtry
call s:redraw()
return self.exit_code()
endfunction
function! s:base._finish()
call self.hl_cursor_on()
endfunction
function! s:_echo_cmdline(cmdline)
call s:redraw()
execute "echohl" a:cmdline.highlights.prompt
echon a:cmdline.prompt
echohl NONE
echon a:cmdline.backward()
if empty(a:cmdline.line.pos_word())
execute "echohl" a:cmdline.highlights.cursor
echon ' '
else
execute "echohl" a:cmdline.highlights.cursor_insert
echon a:cmdline.line.pos_word()
endif
echohl NONE
echon a:cmdline.forward()
endfunction
function! s:base._is_exit()
return self.variables.exit
endfunction
function! s:_as_key_config(config)
let base = {
\ "noremap" : 0,
\ "lock" : 0,
\ }
return type(a:config) == type({}) ? extend(base, a:config)
\ : extend(base, {
\ "key" : a:config,
\ })
endfunction
function! s:_unmap(mapping, key)
if !has_key(a:mapping, a:key)
return a:key
endif
let rhs = s:_as_key_config(a:mapping[a:key])
let next = s:_as_key_config(get(a:mapping, rhs.key, {}))
if rhs.noremap && next.lock == 0
return rhs.key
endif
return s:_unmap(a:mapping, rhs.key)
endfunction
function! s:base._get_keymapping()
let result = {}
for module in values(self.variables.modules)
if has_key(module, "keymapping")
call extend(result, module.keymapping(self))
endif
endfor
return extend(extend(result, self.variables.keymapping), self.keymapping())
endfunction
function! s:redraw()
redraw
echo ""
endfunction
function! s:_getchar()
let char = getchar()
return type(char) == type(0) ? nr2char(char) : char
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo