481 lines
15 KiB
VimL
481 lines
15 KiB
VimL
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"=============================================================================
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" File: plugin/ui-functions.vim {{{1
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" Author: Luc Hermitte <EMAIL:hermitte {at} free {dot} fr>
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" <URL:http://code.google.com/p/lh-vim/>
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" URL: http://hermitte.free.fr/vim/ressources/vimfiles/plugin/ui-functions.vim
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"
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" Version: 2.2.1
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" Created: 18th nov 2002
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" Last Update: 28th Nov 2007
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"------------------------------------------------------------------------
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" Description: Functions for the interaction with a User Interface.
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" The UI can be graphical or textual.
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" At first, this was designed to ease the syntax of
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" mu-template's templates.
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"
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" Option: {{{2
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" {[bg]:ui_type}
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" = "g\%[ui]",
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" = "t\%[ext]" ; the call must not be |:silent|
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" = "f\%[te]"
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" }}}2
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"------------------------------------------------------------------------
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" Installation: Drop this into one of your {rtp}/plugin/ directories.
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" History: {{{2
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" v0.01 Initial Version
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" v0.02
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" (*) Code "factorisations"
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" (*) Help on <F1> enhanced.
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" (*) Small changes regarding the parameter accepted
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" (*) Function SWITCH
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" v0.03
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" (*) Small bug fix with INPUT()
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" v0.04
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" (*) New function: WHICH()
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" v0.05
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" (*) In vim7e, inputdialog() returns a trailing '\n'. INPUT() strips the
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" NL character.
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" v0.06
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" (*) :s/echoerr/throw/ => vim7 only
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" v2.2.0
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" (*) menu to switch the ui_type
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"
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" TODO: {{{2
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" (*) Save the hl-User1..9 before using them
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" (*) Possibility other than &statusline:
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" echohl User1 |echon "bla"|echohl User2|echon "bli"|echohl None
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" (*) Wraps too long choices-line (length > term-width)
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" (*) Add to the documentation: "don't use CTRL-C to abort !!"
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" (*) Look if I need to support 'wildmode'
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" (*) 3rd mode: return string for FTE
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" (*) 4th mode: interaction in a scratch buffer
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"
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" }}}1
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"=============================================================================
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" Avoid reinclusion {{{1
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"
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if exists("g:loaded_ui_functions") && !exists('g:force_reload_ui_functions')
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finish
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endif
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let g:loaded_ui_functions = 1
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let s:cpo_save=&cpo
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set cpo&vim
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" }}}1
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"------------------------------------------------------------------------
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" External functions {{{1
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" Function: IF(var, then, else) {{{2
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function! IF(var,then, else)
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let o = s:Opt_type() " {{{3
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if o =~ 'g\%[ui]\|t\%[ext]' " {{{4
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return a:var ? a:then : a:else
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elseif o =~ 'f\%[te]' " {{{4
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return s:if_fte(a:var, a:then, a:else)
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else " {{{4
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throw "UI-Fns::IF(): Unkonwn user-interface style (".o.")"
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endif
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" }}}3
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endfunction
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" Function: SWITCH(var, case, action [, case, action] [default_action]) {{{2
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function! SWITCH(var, ...)
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let o = s:Opt_type() " {{{3
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if o =~ 'g\%[ui]\|t\%[ext]' " {{{4
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let explicit_def = ((a:0 % 2) == 1)
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let default = explicit_def ? a:{a:0} : ''
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let i = a:0 - 1 - explicit_def
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while i > 0
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if a:var == a:{i}
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return a:{i+1}
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endif
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let i = i - 2
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endwhile
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return default
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elseif o =~ 'f\%[te]' " {{{4
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return s:if_fte(a:var, a:then, a:else)
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else " {{{4
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throw "UI-Fns::SWITCH(): Unkonwn user-interface style (".o.")"
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endif
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" }}}3
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endfunction
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" Function: CONFIRM(text [, choices [, default [, type]]]) {{{2
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function! CONFIRM(text, ...)
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" 1- Check parameters {{{3
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if a:0 > 4 " {{{4
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throw "UI-Fns::CONFIRM(): too many parameters"
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return 0
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endif
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" build the parameters string {{{4
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let i = 1
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while i <= a:0
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if i == 1 | let params = 'a:{1}'
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else | let params = params. ',a:{'.i.'}'
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endif
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let i = i + 1
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endwhile
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" 2- Choose the correct way to execute according to the option {{{3
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let o = s:Opt_type()
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if o =~ 'g\%[ui]' " {{{4
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exe 'return confirm(a:text,'.params.')'
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elseif o =~ 't\%[ext]' " {{{4
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if !has('gui_running') && has('dialog_con')
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exe 'return confirm(a:text,'.params.')'
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else
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exe 'return s:confirm_text("none", a:text,'.params.')'
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endif
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elseif o =~ 'f\%[te]' " {{{4
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exe 'return s:confirm_fte(a:text,'.params.')'
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else " {{{4
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throw "UI-Fns::CONFIRM(): Unkonwn user-interface style (".o.")"
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endif
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" }}}3
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endfunction
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" Function: INPUT(prompt [, default ]) {{{2
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function! INPUT(prompt, ...)
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" 1- Check parameters {{{3
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if a:0 > 4 " {{{4
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throw "UI-Fns::INPUT(): too many parameters"
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return 0
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endif
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" build the parameters string {{{4
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let i = 1 | let params = ''
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while i <= a:0
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if i == 1 | let params = 'a:{1}'
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else | let params = params. ',a:{'.i.'}'
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endif
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let i = i + 1
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endwhile
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" 2- Choose the correct way to execute according to the option {{{3
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let o = s:Opt_type()
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if o =~ 'g\%[ui]' " {{{4
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exe 'return matchstr(inputdialog(a:prompt,'.params.'), ".\\{-}\\ze\\n\\=$")'
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elseif o =~ 't\%[ext]' " {{{4
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exe 'return input(a:prompt,'.params.')'
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elseif o =~ 'f\%[te]' " {{{4
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exe 'return s:input_fte(a:prompt,'.params.')'
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else " {{{4
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throw "UI-Fns::INPUT(): Unkonwn user-interface style (".o.")"
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endif
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" }}}3
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endfunction
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" Function: COMBO(prompt, choice [, ... ]) {{{2
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function! COMBO(prompt, ...)
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" 1- Check parameters {{{3
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if a:0 > 4 " {{{4
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throw "UI-Fns::COMBO(): too many parameters"
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return 0
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endif
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" build the parameters string {{{4
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let i = 1
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while i <= a:0
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if i == 1 | let params = 'a:{1}'
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else | let params = params. ',a:{'.i.'}'
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endif
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let i = i + 1
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endwhile
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" 2- Choose the correct way to execute according to the option {{{3
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let o = s:Opt_type()
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if o =~ 'g\%[ui]' " {{{4
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exe 'return confirm(a:prompt,'.params.')'
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elseif o =~ 't\%[ext]' " {{{4
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exe 'return s:confirm_text("combo", a:prompt,'.params.')'
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elseif o =~ 'f\%[te]' " {{{4
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exe 'return s:combo_fte(a:prompt,'.params.')'
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else " {{{4
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throw "UI-Fns::COMBO(): Unkonwn user-interface style (".o.")"
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endif
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" }}}3
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endfunction
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" Function: WHICH(function, prompt, choice [, ... ]) {{{2
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function! WHICH(fn, prompt, ...)
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" 1- Check parameters {{{3
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" build the parameters string {{{4
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let i = 1
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while i <= a:0
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if i == 1 | let params = 'a:{1}'
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else | let params = params. ',a:{'.i.'}'
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endif
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let i = i + 1
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endwhile
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" 2- Execute the function {{{3
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exe 'let which = '.a:fn.'(a:prompt,'.params.')'
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if 0 >= which | return ''
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elseif 1 == which
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return substitute(matchstr(a:{1}, '^.\{-}\ze\%(\n\|$\)'), '&', '', 'g')
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else
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return substitute(
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\ matchstr(a:{1}, '^\%(.\{-}\n\)\{'.(which-1).'}\zs.\{-}\ze\%(\n\|$\)')
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\ , '&', '', 'g')
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endif
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" }}}3
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endfunction
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" Function: CHECK(prompt, choice [, ... ]) {{{2
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function! CHECK(prompt, ...)
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" 1- Check parameters {{{3
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if a:0 > 4 " {{{4
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throw "UI-Fns::CHECK(): too many parameters"
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return 0
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endif
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" build the parameters string {{{4
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let i = 1
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while i <= a:0
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if i == 1 | let params = 'a:{1}'
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else | let params = params. ',a:{'.i.'}'
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endif
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let i = i + 1
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endwhile
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" 2- Choose the correct way to execute according to the option {{{3
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let o = s:Opt_type()
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if o =~ 'g\%[ui]' " {{{4
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exe 'return s:confirm_text("check", a:prompt,'.params.')'
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elseif o =~ 't\%[ext]' " {{{4
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exe 'return s:confirm_text("check", a:prompt,'.params.')'
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elseif o =~ 'f\%[te]' " {{{4
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exe 'return s:check_fte(a:prompt,'.params.')'
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else " {{{4
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throw "UI-Fns::CHECK(): Unkonwn user-interface style (".o.")"
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endif
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" }}}3
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endfunction
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" }}}1
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"------------------------------------------------------------------------
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" Options setting {{{1
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let s:OptionData = {
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\ "variable": "ui_type",
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\ "idx_crt_value": 1,
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\ "values": ['gui', 'text', 'fte'],
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\ "menu": { "priority": '500.2700', "name": '&Plugin.&LH.&UI type'}
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\}
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call lh#menu#def_toggle_item(s:OptionData)
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" }}}1
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"------------------------------------------------------------------------
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" Internal functions {{{1
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function! s:Option(name, default) " {{{2
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if exists('b:ui_'.a:name) | return b:ui_{a:name}
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elseif exists('g:ui_'.a:name) | return g:ui_{a:name}
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else | return a:default
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endif
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endfunction
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function! s:Opt_type() " {{{2
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return s:Option('type', 'gui')
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endfunction
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"
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" Function: s:status_line(current, hl [, choices] ) {{{2
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" a:current: current item
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" a:hl : Generic, Warning, Error
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function! s:status_line(current, hl, ...)
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" Highlightning {{{3
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if a:hl == "Generic" | let hl = '%1*'
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elseif a:hl == "Warning" | let hl = '%2*'
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elseif a:hl == "Error" | let hl = '%3*'
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elseif a:hl == "Info" | let hl = '%4*'
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elseif a:hl == "Question" | let hl = '%5*'
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else | let hl = '%1*'
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endif
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" Build the string {{{3
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let sl_choices = '' | let i = 1
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while i <= a:0
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if i == a:current
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let sl_choices = sl_choices . ' '. hl .
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\ substitute(a:{i}, '&\(.\)', '%6*\1'.hl, '') . '%* '
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else
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let sl_choices = sl_choices . ' ' .
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\ substitute(a:{i}, '&\(.\)', '%6*\1%*', '') . ' '
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endif
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let i = i + 1
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endwhile
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" }}}3
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return sl_choices
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endfunction
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" Function: s:confirm_text(box, text [, choices [, default [, type]]]) {{{2
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function! s:confirm_text(box, text, ...)
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let help = "/<esc>/<s-tab>/<tab>/<left>/<right>/<cr>/<F1>"
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" 1- Retrieve the parameters {{{3
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let choices = ((a:0>=1) ? a:1 : '&Ok')
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let default = ((a:0>=2) ? a:2 : (('check' == a:box) ? 0 : 1))
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let type = ((a:0>=3) ? a:3 : 'Generic')
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if 'none' == a:box | let prefix = ''
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elseif 'combo' == a:box | let prefix = '( )_'
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elseif 'check' == a:box | let prefix = '[ ]_'
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let help = '/ '.help
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else | let prefix = ''
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endif
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" 2- Retrieve the proposed choices {{{3
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" Prepare the hot keys
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let i = 0
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while i != 26
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let hotkey_{nr2char(i+65)} = 0
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let i += 1
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endwhile
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let hotkeys = '' | let help_k = '/'
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" Parse the choices
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let i = 0
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while choices != ""
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let i = i + 1
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let item = matchstr(choices, "^.\\{-}\\ze\\(\n\\|$\\)")
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let choices = matchstr(choices, "\n\\zs.*$")
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" exe 'anoremenu ]'.a:text.'.'.item.' :let s:choice ='.i.'<cr>'
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if ('check' == a:box) && (strlen(default)>=i) && (1 == default[i-1])
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" let choice_{i} = '[X]' . substitute(item, '&', '', '')
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let choice_{i} = '[X]_' . item
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else
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" let choice_{i} = prefix . substitute(item, '&', '', '')
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let choice_{i} = prefix . item
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endif
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if i == 1
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let list_choices = 'choice_{1}'
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else
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let list_choices = list_choices . ',choice_{'.i.'}'
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endif
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" Update the hotkey.
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let key = toupper(matchstr(choice_{i}, '&\zs.\ze'))
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let hotkey_{key} = i
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let hotkeys = hotkeys . tolower(key) . toupper(key)
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let help_k = help_k . tolower(key)
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endwhile
|
||
|
|
let nb_choices = i
|
||
|
|
if default > nb_choices | let default = nb_choices | endif
|
||
|
|
|
||
|
|
" 3- Run an interactive text menu {{{3
|
||
|
|
" Note: emenu can not be used through ":exe" {{{4
|
||
|
|
" let wcm = &wcm
|
||
|
|
" set wcm=<tab>
|
||
|
|
" exe ':emenu ]'.a:text.'.'."<tab>"
|
||
|
|
" let &wcm = wcm
|
||
|
|
" 3.1- Preparations for the statusline {{{4
|
||
|
|
" save the statusline
|
||
|
|
let sl = &l:statusline
|
||
|
|
" Color schemes for selected item {{{5
|
||
|
|
:hi User1 term=inverse,bold cterm=inverse,bold ctermfg=Yellow
|
||
|
|
\ guifg=Black guibg=Yellow
|
||
|
|
:hi User2 term=inverse,bold cterm=inverse,bold ctermfg=LightRed
|
||
|
|
\ guifg=Black guibg=LightRed
|
||
|
|
:hi User3 term=inverse,bold cterm=inverse,bold ctermfg=Red
|
||
|
|
\ guifg=Black guibg=Red
|
||
|
|
:hi User4 term=inverse,bold cterm=inverse,bold ctermfg=Cyan
|
||
|
|
\ guifg=Black guibg=Cyan
|
||
|
|
:hi User5 term=inverse,bold cterm=inverse,bold ctermfg=LightYellow
|
||
|
|
\ guifg=Black guibg=LightYellow
|
||
|
|
:hi User6 term=inverse,bold cterm=inverse,bold ctermfg=LightGray
|
||
|
|
\ guifg=DarkRed guibg=LightGray
|
||
|
|
" }}}5
|
||
|
|
|
||
|
|
" 3.2- Interactive loop {{{4
|
||
|
|
let help = "\r-- Keys available (".help_k.help.")"
|
||
|
|
" item selected at the start
|
||
|
|
let i = ('check' != a:box) ? default : 1
|
||
|
|
let direction = 0 | let toggle = 0
|
||
|
|
while 1
|
||
|
|
if 'combo' == a:box
|
||
|
|
let choice_{i} = substitute(choice_{i}, '^( )', '(*)', '')
|
||
|
|
endif
|
||
|
|
" Colored statusline
|
||
|
|
" Note: unfortunately the 'statusline' is a global option, {{{
|
||
|
|
" not a local one. I the hope that may change, as it does not provokes any
|
||
|
|
" error, I use '&l:statusline'. }}}
|
||
|
|
exe 'let &l:statusline=s:status_line(i, type,'. list_choices .')'
|
||
|
|
if has(':redrawstatus')
|
||
|
|
redrawstatus!
|
||
|
|
else
|
||
|
|
redraw!
|
||
|
|
endif
|
||
|
|
" Echo the current selection
|
||
|
|
echo "\r". a:text.' '.substitute(choice_{i}, '&', '', '')
|
||
|
|
" Wait the user to hit a key
|
||
|
|
let key=getchar()
|
||
|
|
let complType=nr2char(key)
|
||
|
|
" If the key hit matched awaited keys ...
|
||
|
|
if -1 != stridx(" \<tab>\<esc>\<enter>".hotkeys,complType) ||
|
||
|
|
\ (key =~ "\<F1>\\|\<right>\\|\<left>\\|\<s-tab>")
|
||
|
|
if key == "\<F1>" " Help {{{5
|
||
|
|
redraw!
|
||
|
|
echohl StatusLineNC
|
||
|
|
echo help
|
||
|
|
echohl None
|
||
|
|
let key=getchar()
|
||
|
|
let complType=nr2char(key)
|
||
|
|
endif
|
||
|
|
" TODO: support CTRL-D
|
||
|
|
if complType == "\<enter>" " Validate {{{5
|
||
|
|
break
|
||
|
|
elseif complType == " " " check box {{{5
|
||
|
|
let toggle = 1
|
||
|
|
elseif complType == "\<esc>" " Abort {{{5
|
||
|
|
let i = -1 | break
|
||
|
|
elseif complType == "\<tab>" || key == "\<right>" " Next {{{5
|
||
|
|
let direction = 1
|
||
|
|
elseif key =~ "\<left>\\|\<s-tab>" " Previous {{{5
|
||
|
|
let direction = -1
|
||
|
|
elseif -1 != stridx(hotkeys, complType ) " Hotkeys {{{5
|
||
|
|
if '' == complType | continue | endif
|
||
|
|
let direction = hotkey_{toupper(complType)} - i
|
||
|
|
let toggle = 1
|
||
|
|
" else
|
||
|
|
endif
|
||
|
|
" }}}5
|
||
|
|
endif
|
||
|
|
if direction != 0 " {{{5
|
||
|
|
if 'combo' == a:box
|
||
|
|
let choice_{i} = substitute(choice_{i}, '^(\*)', '( )', '')
|
||
|
|
endif
|
||
|
|
let i = i + direction
|
||
|
|
if i > nb_choices | let i = 1
|
||
|
|
elseif i == 0 | let i = nb_choices
|
||
|
|
endif
|
||
|
|
let direction = 0
|
||
|
|
endif
|
||
|
|
if toggle == 1 " {{{5
|
||
|
|
if 'check' == a:box
|
||
|
|
let choice_{i} = ((choice_{i}[1] == ' ')? '[X]' : '[ ]')
|
||
|
|
\ . strpart(choice_{i}, 3)
|
||
|
|
endif
|
||
|
|
let toggle = 0
|
||
|
|
endif
|
||
|
|
endwhile " }}}4
|
||
|
|
" 4- Terminate {{{3
|
||
|
|
" Clear screen
|
||
|
|
redraw!
|
||
|
|
|
||
|
|
" Restore statusline
|
||
|
|
let &l:statusline=sl
|
||
|
|
" Return
|
||
|
|
if (i == -1) || ('check' != a:box)
|
||
|
|
return i
|
||
|
|
else
|
||
|
|
let r = '' | let i = 1
|
||
|
|
while i <= nb_choices
|
||
|
|
let r = r . ((choice_{i}[1] == 'X') ? '1' : '0')
|
||
|
|
let i = i + 1
|
||
|
|
endwhile
|
||
|
|
return r
|
||
|
|
endif
|
||
|
|
endfunction
|
||
|
|
" }}}1
|
||
|
|
"------------------------------------------------------------------------
|
||
|
|
" Functions that insert fte statements {{{1
|
||
|
|
" Function: s:if_fte(var, then, else) {{{2
|
||
|
|
" Function: s:confirm_fte(text, [, choices [, default [, type]]]) {{{2
|
||
|
|
" Function: s:input_fte(prompt [, default]) {{{2
|
||
|
|
" Function: s:combo_fte(prompt, choice [, ...]) {{{2
|
||
|
|
" Function: s:check_fte(prompt, choice [, ...]) {{{2
|
||
|
|
" }}}1
|
||
|
|
"------------------------------------------------------------------------
|
||
|
|
let &cpo=s:cpo_save
|
||
|
|
"=============================================================================
|
||
|
|
" vim600: set fdm=marker:
|