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Merge pull request #466 from npostavs/no-reverse

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Avoid double choices reversing
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João Távora 2014-03-06 08:05:53 +00:00
commit e7599b9325
1 changed files with 37 additions and 103 deletions
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116
yasnippet.el
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@ -1489,10 +1489,6 @@ Here's a list of currently recognized directives:
;;; Popping up for keys and templates
(defvar yas--x-pretty-prompt-templates nil
"If non-nil, attempt to prompt for templates like TextMate.")
(defun yas--prompt-for-template (templates &optional prompt)
"Interactively choose a template from the list TEMPLATES.
@ -1504,13 +1500,11 @@ Optional PROMPT sets the prompt to use."
(sort templates #'(lambda (t1 t2)
(< (length (yas--template-name t1))
(length (yas--template-name t2))))))
(if yas--x-pretty-prompt-templates
(yas--x-pretty-prompt-templates "Choose a snippet" templates)
(some #'(lambda (fn)
(funcall fn (or prompt "Choose a snippet: ")
templates
#'yas--template-name))
yas-prompt-functions))))
yas-prompt-functions)))
(defun yas--prompt-for-keys (keys &optional prompt)
"Interactively choose a template key from the list KEYS.
@ -1535,55 +1529,18 @@ Optional PROMPT sets the prompt to use."
(defun yas-x-prompt (prompt choices &optional display-fn)
"Display choices in a x-window prompt."
(when (and window-system choices)
(let ((chosen
(let (menu d) ;; d for display
(dolist (c choices)
(setq d (or (and display-fn (funcall display-fn c))
c))
(cond ((stringp d)
(push (cons (concat " " d) c) menu))
((listp d)
(push (car d) menu))))
(setq menu (list prompt (push "title" menu)))
(x-popup-menu (if (fboundp 'posn-at-point)
(or
(x-popup-menu
(if (fboundp 'posn-at-point)
(let ((x-y (posn-x-y (posn-at-point (point)))))
(list (list (+ (car x-y) 10)
(+ (cdr x-y) 20))
(selected-window)))
t)
menu))))
(or chosen
(keyboard-quit)))))
(defun yas--x-pretty-prompt-templates (prompt templates)
"Display TEMPLATES, grouping neatly by table name."
(let ((organized (make-hash-table :test #'equal))
menu
more-than-one-table
prefix)
(dolist (tl templates)
(puthash (yas--template-table tl)
(cons tl
(gethash (yas--template-table tl) organized))
organized))
(setq more-than-one-table (> (hash-table-count organized) 1))
(setq prefix (if more-than-one-table
" " ""))
(if more-than-one-table
(maphash #'(lambda (table templates)
(push (yas--table-name table) menu)
(dolist (tl templates)
(push (cons (concat prefix (yas--template-name tl)) tl) menu))) organized)
(setq menu (mapcar #'(lambda (tl) (cons (concat prefix (yas--template-name tl)) tl)) templates)))
(setq menu (nreverse menu))
(or (x-popup-menu (if (fboundp 'posn-at-point)
(let ((x-y (posn-x-y (posn-at-point (point)))))
(list (list (+ (car x-y) 10)
(+ (cdr x-y) 20))
(selected-window)))
t)
(list prompt (push "title" menu)))
`(,prompt ("title"
,@(mapcar* (lambda (c d) `(,(concat " " d) . ,c))
choices
(if display-fn (mapcar display-fn choices) choices)))))
(keyboard-quit))))
(defun yas-ido-prompt (prompt choices &optional display-fn)
@ -1594,46 +1551,22 @@ Optional PROMPT sets the prompt to use."
(defun yas-dropdown-prompt (_prompt choices &optional display-fn)
(when (fboundp 'dropdown-list)
(let (formatted-choices
filtered-choices
d
n)
(dolist (choice choices)
(setq d (or (and display-fn (funcall display-fn choice))
choice))
(when (stringp d)
(push d formatted-choices)
(push choice filtered-choices)))
(setq n (and formatted-choices (dropdown-list formatted-choices)))
(if n
(nth n filtered-choices)
(let* ((formatted-choices
(if display-fn (mapcar display-fn choices) choices))
(n (dropdown-list formatted-choices)))
(if n (nth n choices)
(keyboard-quit)))))
(defun yas-completing-prompt (prompt choices &optional display-fn completion-fn)
(let (formatted-choices
filtered-choices
(let* ((formatted-choices
(if display-fn (mapcar display-fn choices) choices))
(chosen (funcall (or completion-fn #'completing-read)
prompt formatted-choices
nil 'require-match nil nil)))
(if (eq choices formatted-choices)
chosen
d
(completion-fn (or completion-fn
#'completing-read)))
(dolist (choice choices)
(setq d (or (and display-fn (funcall display-fn choice))
choice))
(when (stringp d)
(push d formatted-choices)
(push choice filtered-choices)))
(setq chosen (and formatted-choices
(funcall completion-fn prompt
formatted-choices
nil
'require-match
nil
nil)))
(let ((position (or (and chosen
(position chosen formatted-choices :test #'string=))
0)))
(nth position filtered-choices))))
(nth (or (position chosen formatted-choices :test #'string=) 0)
choices))))
(defun yas-no-prompt (_prompt choices &optional _display-fn)
(first choices))
@ -2801,10 +2734,11 @@ If found, the content of subexp group SUBEXP (default 0) is
The last element of POSSIBILITIES may be a list of strings."
(unless (or yas-moving-away-p
yas-modified-p)
(setq possibilities (nreverse possibilities))
(setq possibilities (if (listp (car possibilities))
(append (reverse (car possibilities)) (rest possibilities))
possibilities))
(let* ((last-link (last possibilities))
(last-elem (car last-link)))
(when (listp last-elem)
(setcar last-link (car last-elem))
(setcdr last-link (cdr last-elem))))
(some #'(lambda (fn)
(funcall fn "Choose: " possibilities))
yas-prompt-functions)))