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Modification to { } insertion

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svn: r10016
This commit is contained in:
Kathy Gray 2008-05-29 15:07:09 +00:00
parent 001d27e557
commit 79484ba799
1 changed files with 23 additions and 13 deletions
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36
collects/profj/tool.ss
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@ -121,9 +121,13 @@
(send java-keymap add-function "tabify-at-caret" (λ (edit event) (send edit java-tabify-selection)))
(send java-keymap map-function "TAB" "tabify-at-caret")
(define defs-text-mixin
(send java-keymap add-function "insert-{" (lambda (edit event) (send edit open-brace)))
(send java-keymap map-function "{" "insert-{")
(keymap:send-map-function-meta java-keymap "{" "insert-{")
(define indent-mixin
(mixin (color:text<%> editor:keymap<%>) ()
(inherit insert classify-position
(inherit insert classify-position set-position
get-start-position get-end-position get-character delete
backward-match backward-containing-sexp
find-string position-paragraph paragraph-start-position
@ -141,7 +145,7 @@
(and sexp-start+whitespace
(skip-whitespace sexp-start+whitespace 'backward #t))))
(define/private (get-indentation start-pos trim?)
(define/private (get-indentation start-pos)
(letrec ([last-offset
(lambda (previous-line last-line-start)
(max (sub1 (if (> last-line-start start-pos)
@ -210,7 +214,7 @@
[(not old-open) last-line-indent]
[(and old-open (<= curr-open old-open)) last-line-indent]
[else (+ single-tab-stop last-line-indent)]))]))])))])
(build-string (max (if trim? (- indent single-tab-stop) indent) 0) (λ (x) #\space))))
(build-string (max indent 0) (λ (x) #\space))))
(define/public (do-return)
(let ([start-pos (get-start-position)]
@ -218,22 +222,27 @@
#;(printf "do-return start-pos ~a end-pos ~a" start-pos end-pos)
#;(printf "get-character sp ~a~n" (get-character (sub1 start-pos)))
(if (= start-pos end-pos)
(cond
[(and (> start-pos 0)
(eq? (get-character (sub1 start-pos)) #\})
(eq? (classify-position (sub1 start-pos)) 'keyword))
(insert (string-append "\n" (get-indentation start-pos #t)))]
[else
(insert (string-append "\n" (get-indentation start-pos #f)))])
(insert (string-append "\n" (get-indentation start-pos)))
(insert "\n"))))
(define/public (open-brace)
(let ([start-pos (get-start-position)]
[end-pos (get-end-position)])
(cond
[(and (= start-pos end-pos)
(not (memq (classify-position start-pos) '(comment block-comment string error))))
(insert (string-append "{\n" (get-indentation start-pos) "}"))
(set-position (add1 start-pos))
]
[else (insert "{")])))
(define/public (java-tabify-selection)
(let ([start-para (position-paragraph (get-start-position))]
[end-para (position-paragraph (get-end-position))])
(begin-edit-sequence)
(let loop ([para start-para])
(let* ([para-start (paragraph-start-position para)]
[insertion (get-indentation (max 0 (sub1 para-start)) #f)]
[insertion (get-indentation (max 0 (sub1 para-start)))]
[closer? #f])
(let loop ()
(let ([c (get-character para-start)])
@ -1237,7 +1246,8 @@
(register-capability-menu-item 'profj:special:java-interactions-box (get-insert-menu))
))
(drscheme:get/extend:extend-definitions-text defs-text-mixin)
(drscheme:get/extend:extend-definitions-text indent-mixin)
(drscheme:get/extend:extend-interactions-text indent-mixin)
(drscheme:get/extend:extend-unit-frame java-interactions-box-mixin)
(drscheme:language:register-capability 'profj:special:java-interactions-box (flat-contract boolean?) #t)