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fixed on-save-file with wx:....copy

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original commit: 02ac59a2e99da8407035aca660938b303444cc3d
This commit is contained in:
Matthew Flatt 1996-09-09 19:45:26 +00:00
parent a0f0cb32fd
commit c7923e541a
1 changed files with 29 additions and 26 deletions
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55
collects/mred/edit.ss
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@ -178,6 +178,7 @@
[super-on-local-char on-local-char]
[super-on-save-file on-save-file]
[super-after-save-file after-save-file]
[super-after-set-position after-set-position]
@ -195,11 +196,11 @@
[super-after-delete after-delete]
[super-after-set-size-constraint after-set-size-constraint])
(private
[styles-fixed-edit-modified? #f])
[styles-fixed-edit-modified? #f]
[restore-file-format void]) ; the function void, not #<void>
(public
[on-save-file
(let ([skip-check #f]
[has-non-text-snips
(let ([has-non-text-snips
(lambda ()
(let loop ([s (find-snip 0 wx:const-snip-after)])
(cond
@ -208,29 +209,31 @@
(loop (send s next))]
[else #t])))])
(lambda (name format)
(unless (or skip-check
(= format wx:const-media-ff-std)
(= format wx:const-media-ff-guess)
(and (= format wx:const-media-ff-same)
(= (get-file-format)
wx:const-media-ff-std)))
(dynamic-wind
(lambda () (set! skip-check #t))
(lambda ()
(cond
[(= format wx:const-media-ff-copy)
(let ([format (get-file-format)])
(set-file-format wx:const-media-ff-std)
(save-file name format)
(set-file-format format))]
[(and (has-non-text-snips)
(or (not (mred:preferences:get-preference 'mred:verify-change-format))
(mred:gui-utils:get-choice "Save this file as plain text?" "No" "Yes")))
(save-file name wx:const-media-ff-std)]
[else (void)]))
(lambda () (set! skip-check #f))))
(super-on-save-file name format)))]
(when (and (or (= format wx:const-media-ff-same)
(= format wx:const-media-ff-copy))
(not (= (get-file-format)
wx:const-media-ff-std)))
(cond
[(= format wx:const-media-ff-copy)
(set! restore-file-format
(let ([f (get-file-format)])
(lambda ()
(set! restore-file-format void)
(set-file-format f))))
(set-file-format wx:const-media-ff-std)]
[(and (has-non-text-snips)
(or (not (mred:preferences:get-preference 'mred:verify-change-format))
(mred:gui-utils:get-choice "Save this file as plain text?" "No" "Yes")))
(set-file-format wx:const-media-ff-std)]
[else (void)]))
(or (super-on-save-file name format)
(begin
(restore-file-format)
#f))))]
[after-save-file
(lambda (success)
(super-after-save-file success)
(restore-file-format))]
[autowrap-bitmap mred:icon:autowrap-bitmap]