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added path-dialog.ss to mrlib

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svn: r3209
This commit is contained in:
Eli Barzilay 2006-06-04 00:14:27 +00:00
parent 45059127ab
commit acb08c5e62
3 changed files with 18 additions and 15 deletions
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1
collects/mred/private/filedialog.ss
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@ -50,7 +50,6 @@
[put? put?]
[dir? dir?]
[multi? multi?]
[existing? (not put?)]
[message message]
[parent parent]
[directory directory]

27
collects/mred/private/path-dialog.ss
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@ -57,13 +57,14 @@
(class dialog%
;; ----------------------------------------------------------------------
;; Arguments & Variables
(init [message #f] ; message at the top of the dialog
(init [label #f] ; dialog title
[message #f] ; message at the top of the dialog
[parent #f] ; parent frame
[directory #f] ; initial directory
[filename #f] ; initial text for the input box
[put? #f] ; selecting a new path?
[dir? #f] ; are we selecting a directory?
[existing? #f] ; must select an existing path?
[existing? (not put?)] ; must select an existing path?
[new? #f] ; must select a new path?
[multi? #f] ; selecting multiple paths?
[can-mkdir? put?] ; is there a create-directory button?
@ -71,10 +72,9 @@
;; can use multiple globs with ";" separators
;; #f => disable, #t => use default
[filters #t]
;; predicates are used to filter paths that are shown -- they are
;; applied on the file/dir name (as a string) (either as an
;; absolute path or relative while current-directory is set);
;; intended to be lightweight
;; predicates that are used to filter paths that are shown -- they
;; are applied on the file/dir name (as a string) while
;; current-directory is set; intended to be lightweight
[show-file? #f] ; a predicate for listing a file
[show-dir? #f] ; a predicate for listing a directory
;; this predicate is used like the previous two, but it is used to
@ -87,25 +87,26 @@
;; is shown, and the dialog interaction continues (so it can be
;; used to verify results without dismissing the menu); it can also
;; throw a `(void)' value and the interaction continues but without
;; an error message; this is checked first, before the checks that
;; `exists?' or `new?' imply, but those checks are done on the
;; original result
;; an error message
[guard #f]
)
(cond [(eq? filters #t) (set! filters default-filters)]
[(null? filters) (set! filters #f)])
(when (and new? existing?)
(error 'path-dialog% "cannot use `new?' with `existing?'"))
(when dir?
(if show-file?
(error 'path-dialog% "cannot use `show-file?' with `dir?'")
(set! show-file? (lambda (_) #f)))
(when filters (error 'path-dialog% "cannot use `filters' with `dir?'")))
(define label
(if dir?
(unless label
(set! label (if dir?
(if put? "Select New Directory" "Select Directory")
(if put? "Save File" "Open File")))
(if put? "Save File" "Open File"))))
(super-new [label label] [parent parent] [width 300] [height 300])
@ -320,7 +321,7 @@
(define (do-enter*)
(let ([t (send text get-value)])
(if (regexp-match #rx"[*?]" t)
(if (and file-filter (regexp-match #rx"[*?]" t))
(begin (send text set-value "") (set-filter t))
(do-enter))))
(define (do-enter)

3
collects/mrlib/path-dialog.ss Normal file
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@ -0,0 +1,3 @@
(module path-dialog mzscheme
(require (lib "path-dialog.ss" "mred" "private"))
(provide path-dialog%))