Main page works.
This commit is contained in:
Eli Barzilay
parent
3b3bfb0719
commit
f56532c022
|
|
@ -19,6 +19,15 @@
|
|||
[body #`(lambda () (text #,@xs))])
|
||||
#'(layouter id ... x ... body))])))
|
||||
|
||||
(define (id->file who id sfx dir)
|
||||
(let* ([f (and id (symbol->string (force id)))]
|
||||
[f (cond [(and f (regexp-match #rx"[.]" f)) f]
|
||||
[(and f sfx)
|
||||
(string-append f (regexp-replace #rx"^[.]?" sfx "."))]
|
||||
[else (error 'who "missing `#:file', or `#:id'~a"
|
||||
(if sfx "" " and `#:suffix'"))])])
|
||||
(if dir (web-path dir f) f)))
|
||||
|
||||
;; The following are not intended for direct use, see
|
||||
;; `define+provide-context' below (it could be used with #f for the
|
||||
;; directory if this ever gets used for a flat single directory web
|
||||
|
|
@ -28,12 +37,7 @@
|
|||
(define-syntax (plain stx)
|
||||
(syntax-case stx () [(_ . xs) (process-contents 'plain #'plain* stx #'xs)]))
|
||||
(define (plain* #:id [id #f] #:suffix [suffix #f] #:dir [dir #f]
|
||||
#:file
|
||||
[file (if (and id suffix)
|
||||
(let ([f (format "~a.~a" (force id) suffix)])
|
||||
(if dir (web-path dir f) f))
|
||||
(error 'plain
|
||||
"missing `#:file', or `#:id' and `#:suffix'"))]
|
||||
#:file [file (id->file 'plain id suffix dir)]
|
||||
#:referrer
|
||||
[referrer (lambda (url)
|
||||
(error 'plain "no referrer for ~e" file))]
|
||||
|
|
@ -48,15 +52,13 @@
|
|||
(syntax-case stx () [(_ . xs) (process-contents 'page #'page* stx #'xs)]))
|
||||
(define (page* #:id [id #f]
|
||||
#:dir [dir #f]
|
||||
#:file [file (if id
|
||||
(format "~a.html" (force id))
|
||||
(error 'page "missing `#:file' or `#:id'"))]
|
||||
#:file [file (id->file 'page id "html" dir)]
|
||||
#:title [label (if id
|
||||
(let* ([id (->string (force id))]
|
||||
[id (regexp-replace #rx"^.*/" id "")]
|
||||
[id (regexp-replace #rx"-" id " ")])
|
||||
(string-titlecase id))
|
||||
(error 'page "missing `#:file' or `#:title'"))]
|
||||
(error 'page "missing `#:id' or `#:title'"))]
|
||||
#:link-title [linktitle label]
|
||||
#:window-title [wintitle @list{Racket: @label}]
|
||||
#:full-width [full-width #f]
|
||||
|
|
@ -79,9 +81,7 @@
|
|||
@(if body-attrs
|
||||
(apply body `(,@body-attrs ,content))
|
||||
(body content))}))
|
||||
(define this
|
||||
(resource (if dir (web-path dir file) file)
|
||||
(file-writer output-xml page) referrer))
|
||||
(define this (resource file (file-writer output-xml page) referrer))
|
||||
this)
|
||||
|
||||
(provide set-navbar!)
|
||||
|
|
|
|||
|
|
@ -2,22 +2,26 @@
|
|||
|
||||
(define-syntax-rule (define* id E) (begin (define id E) (provide id)))
|
||||
|
||||
(define ((make-link url . text) . alternate)
|
||||
(a href: url (if (null? alternate) text alternate)))
|
||||
|
||||
;; ----------------------------------------------------------------------------
|
||||
;; Pages that are made outside of this system
|
||||
|
||||
(define* -planet @a[href: "http://planet.racket-lang.org/"]{PLaneT})
|
||||
(define* -planet @make-link["http://planet.racket-lang.org/"]{PLaneT})
|
||||
|
||||
(define doc-url "http://docs.racket-lang.org/")
|
||||
|
||||
(define* -docs @a[href: doc-url]{Documentation})
|
||||
(define* -docs @make-link[doc-url]{Documentation})
|
||||
|
||||
(define-syntax-rule (define-doc-link id desc)
|
||||
(define* id @a[href: `(,doc-url id "/")]{
|
||||
(define* id @make-link[`(,doc-url id "/")]{
|
||||
@strong{@(string-titlecase (symbol->string 'id))}: @desc}))
|
||||
|
||||
@define-doc-link[quick]{An Introduction to Racket with Pictures}
|
||||
@define-doc-link[more ]{Systems Programming with Racket}
|
||||
@define-doc-link[guide]{Racket}
|
||||
@define-doc-link[continue]{Continue}
|
||||
|
||||
(define* intros (list quick more guide))
|
||||
|
||||
|
|
@ -25,22 +29,25 @@
|
|||
;; External links
|
||||
|
||||
(define* -htdp
|
||||
@a[href: "http://www.htdp.org/"]{@i{How to Design Programs}})
|
||||
@make-link["http://www.htdp.org/"]{@i{How to Design Programs}})
|
||||
|
||||
(define* -redex
|
||||
@make-link["http://redex.plt-scheme.org/"]{Redex})
|
||||
|
||||
(define* -teachscheme
|
||||
@a[href: "http://www.teach-scheme.org/"]{TeachScheme!})
|
||||
@make-link["http://www.teach-scheme.org/"]{TeachScheme!})
|
||||
|
||||
(define* -cookbook
|
||||
@a[href: "http://schemecookbook.org/"]{Schematics Scheme Cookbook})
|
||||
@make-link["http://schemecookbook.org/"]{Schematics Scheme Cookbook})
|
||||
|
||||
(define* -schematics
|
||||
@a[href: "http://sourceforge.net/projects/schematics/"]{Schematics})
|
||||
@make-link["http://sourceforge.net/projects/schematics/"]{Schematics})
|
||||
|
||||
(define* -schemers
|
||||
@a[href: "http://schemers.org/"]{@tt{schemers.org}})
|
||||
@make-link["http://schemers.org/"]{@tt{schemers.org}})
|
||||
|
||||
(define* -plai
|
||||
@a[href: "http://www.plai.org/"]{
|
||||
@make-link["http://www.plai.org/"]{
|
||||
@i{Programming Languages: Application and Interpretation}})
|
||||
|
||||
(define* -bootstrap @a[href: "http://www.bootstrapworld.org/"]{Bootstrap})
|
||||
(define* -bootstrap @make-link["http://www.bootstrapworld.org/"]{Bootstrap})
|
||||
|
|
|
|||
134
collects/meta/web/www/code.rkt
Normal file
134
collects/meta/web/www/code.rkt
Normal file
|
|
@ -0,0 +1,134 @@
|
|||
#lang at-exp s-exp "shared.rkt"
|
||||
|
||||
(require syntax-color/module-lexer
|
||||
setup/xref
|
||||
scribble/xref)
|
||||
|
||||
(provide code)
|
||||
|
||||
(define doc-root "http://docs.racket-lang.org/")
|
||||
|
||||
(define expand-namespace (make-base-namespace))
|
||||
(define xref (load-collections-xref))
|
||||
|
||||
(define (code . strs)
|
||||
(let* ([str (apply string-append strs)]
|
||||
[bstr (string->bytes/utf-8
|
||||
(regexp-replace* #rx"(?m:^$)" str "\xA0"))]
|
||||
[in (open-input-bytes bstr)])
|
||||
(let* ([tokens
|
||||
(let loop ([mode #f])
|
||||
(let-values ([(lexeme type data start end backup-delta mode)
|
||||
(module-lexer in 0 mode)])
|
||||
(if (eof-object? lexeme)
|
||||
null
|
||||
(cons (list type (sub1 start) (sub1 end) 0)
|
||||
(loop mode)))))]
|
||||
[substring* (lambda (bstr start [end (bytes-length bstr)])
|
||||
(bytes->string/utf-8 (subbytes bstr start end)))]
|
||||
[e (parameterize ([read-accept-reader #t]
|
||||
[current-namespace expand-namespace])
|
||||
(expand (read-syntax 'prog (open-input-bytes bstr))))]
|
||||
[ids (let loop ([e e])
|
||||
(cond
|
||||
[(and (identifier? e)
|
||||
(syntax-original? e))
|
||||
(let ([pos (sub1 (syntax-position e))]
|
||||
[b (identifier-binding e)])
|
||||
(list (list (if (and (list? b)
|
||||
(let-values ([(name base) (module-path-index-split (car b))])
|
||||
(or name base)))
|
||||
(let ([tag (xref-binding->definition-tag xref e 0)])
|
||||
(if tag
|
||||
(cons (if (eq? (car tag) 'form)
|
||||
'linkimportform
|
||||
'linkimportid)
|
||||
(let-values ([(p a) (xref-tag->path+anchor
|
||||
xref tag
|
||||
#:external-root-url doc-root)])
|
||||
(format "~a#~a" p a)))
|
||||
'importid))
|
||||
'id)
|
||||
pos
|
||||
(+ pos (syntax-span e))
|
||||
1)))]
|
||||
[(syntax? e) (append (loop (syntax-e e))
|
||||
(loop (or (syntax-property e 'origin)
|
||||
null))
|
||||
(loop (or (syntax-property e 'disappeared-use)
|
||||
null)))]
|
||||
[(pair? e) (append (loop (car e)) (loop (cdr e)))]
|
||||
[else null]))]
|
||||
[link-mod (lambda (mp-stx priority #:orig? [always-orig? #f])
|
||||
(if (or always-orig?
|
||||
(syntax-original? mp-stx))
|
||||
(let ([mp (syntax->datum mp-stx)])
|
||||
(let-values ([(p a)
|
||||
(xref-tag->path+anchor
|
||||
xref
|
||||
`(mod-path ,(format "~s" mp))
|
||||
#:external-root-url doc-root)])
|
||||
(if p
|
||||
(list (let ([pos (sub1 (syntax-position mp-stx))])
|
||||
(list (cons 'modpath (format "~a#~a" p a))
|
||||
pos
|
||||
(+ pos (syntax-span mp-stx))
|
||||
priority)))
|
||||
null)))
|
||||
null))]
|
||||
[mods (let loop ([e e])
|
||||
(syntax-case e (module require begin)
|
||||
[(module name lang (mod-beg form ...))
|
||||
(apply append
|
||||
(link-mod #'lang 2)
|
||||
(map loop (syntax->list #'(form ...))))]
|
||||
[(#%require spec ...)
|
||||
(apply append
|
||||
(map (lambda (spec)
|
||||
;; Need to add support for renaming forms, etc.:
|
||||
(if (module-path? (syntax->datum spec))
|
||||
(link-mod spec 2)
|
||||
null))
|
||||
(syntax->list #'(spec ...))))]
|
||||
[(begin form ...)
|
||||
(apply append
|
||||
(map loop (syntax->list #'(form ...))))]
|
||||
[else null]))]
|
||||
[language (if (regexp-match? #rx"^#lang " bstr)
|
||||
(let ([m (regexp-match #rx"^#lang ([-a-zA-Z/._+]+)" bstr)])
|
||||
(if m
|
||||
(link-mod
|
||||
#:orig? #t
|
||||
(datum->syntax #f
|
||||
(string->symbol (bytes->string/utf-8 (cadr m)))
|
||||
(vector 'in 1 6 7 (bytes-length (cadr m))))
|
||||
3)
|
||||
null))
|
||||
null)]
|
||||
[tokens (sort (append ids
|
||||
mods
|
||||
language
|
||||
(filter (lambda (x) (not (eq? (car x) 'symbol)))
|
||||
;; Drop #lang entry:
|
||||
(cdr tokens)))
|
||||
(lambda (a b)
|
||||
(or (< (cadr a) (cadr b))
|
||||
(and (= (cadr a) (cadr b))
|
||||
(> (cadddr a) (cadddr b))))))])
|
||||
(apply pre (let loop ([pos 0]
|
||||
[tokens tokens])
|
||||
(cond
|
||||
[(null? tokens) (list (substring* bstr pos))]
|
||||
[(eq? (caar tokens) 'white-space) (loop pos (cdr tokens))]
|
||||
[(= pos (cadar tokens))
|
||||
(cons (let ([style (caar tokens)]
|
||||
[s (substring* bstr (cadar tokens) (caddar tokens))])
|
||||
(if (pair? style)
|
||||
(a href: (cdr style) class: (format "code~a" (car style)) s)
|
||||
(span class: (format "code~a" style) s)))
|
||||
(loop (caddar tokens) (cdr tokens)))]
|
||||
[(> pos (cadar tokens))
|
||||
(loop pos (cdr tokens))]
|
||||
[else (cons
|
||||
(substring* bstr pos (cadar tokens))
|
||||
(loop (cadar tokens) tokens))]))))))
|
||||
BIN
collects/meta/web/www/download-dark.png
Normal file
BIN
collects/meta/web/www/download-dark.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 9.7 KiB |
BIN
collects/meta/web/www/download.png
Normal file
BIN
collects/meta/web/www/download.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 9.8 KiB |
|
|
@ -1,6 +1,593 @@
|
|||
#lang at-exp s-exp "shared.rkt"
|
||||
|
||||
(require "code.rkt" "outreach+research.rkt" racket/string)
|
||||
|
||||
(define (doc s)
|
||||
(string-append "http://docs.racket-lang.org/" s))
|
||||
|
||||
(define-struct example (code desc))
|
||||
(define-struct (cmdline-example example) ())
|
||||
(define-struct (scribble-example example) ())
|
||||
(define-struct (graphical-example example) ())
|
||||
|
||||
(define (desc . strs) (apply div strs))
|
||||
(define (elemcode . strs) (apply tt strs))
|
||||
|
||||
(provide index)
|
||||
(define index
|
||||
(page #:link-title "About" #:window-title "Racket"
|
||||
"TODO"))
|
||||
#:extra-headers (delay more.css)
|
||||
(div class: 'whatpane
|
||||
@span{@span[class: 'whatb]{Racket} is a programming language.})
|
||||
(div class: 'aboutpane
|
||||
(div class: 'panetitle "Start Quickly")
|
||||
(div class: 'downloadbutton download-plt)
|
||||
(alts-panel
|
||||
@; --- Each example here should be exactly 7 lines long ---
|
||||
@; Candidates for initial example: ------------------------
|
||||
(list
|
||||
(example
|
||||
@code{
|
||||
#lang racket
|
||||
;; Finds Racket sources in all subdirs
|
||||
(for ([path (in-directory)])
|
||||
(when (regexp-match? #rx"[.]rkt$" path)
|
||||
(printf "source file: ~a\n" path)))
|
||||
|
||||
|
||||
}
|
||||
@desc{
|
||||
The @elemcode{in-directory} function constructs
|
||||
a sequence that walks a directory tree (starting with
|
||||
the current directory, by default) and generates
|
||||
paths in the tree. The @elemcode{for}
|
||||
form binds @elemcode{p} to each path in the sequence,
|
||||
and @elemcode{regexp-match?} applies a pattern to
|
||||
the path.})
|
||||
(example
|
||||
@code{
|
||||
#lang web-server/insta
|
||||
;; A "hello world" web server
|
||||
(define (start request)
|
||||
'(html
|
||||
(body "Hello World")))
|
||||
|
||||
|
||||
}
|
||||
@desc{
|
||||
This example implements a web server using the
|
||||
@elemcode{web-server/insta} language. Each time a connection
|
||||
is made to the server, the @elemcode{start} function is
|
||||
called to get the HTML to send back to the client.
|
||||
})
|
||||
(example
|
||||
@code{
|
||||
#lang racket ; An echo server
|
||||
(define listener (tcp-listen 12345))
|
||||
(let echo-server ()
|
||||
(define-values (in out) (tcp-accept listener))
|
||||
(thread (lambda () (copy-port in out)
|
||||
(close-output-port out)))
|
||||
(echo-server))
|
||||
}
|
||||
@desc{
|
||||
Racket makes it easy to use TCP sockets and spawn
|
||||
threads to handle them. This program starts a server
|
||||
at TCP port 12345 that echos anything a client sends
|
||||
back to the client.
|
||||
})
|
||||
(example
|
||||
@code{
|
||||
#lang racket
|
||||
;; Report each unique line from stdin
|
||||
(let ([saw (make-hash)])
|
||||
(for ([line (in-lines)])
|
||||
(unless (hash-ref saw line #f)
|
||||
(displayln line))
|
||||
(hash-set! saw line #t)))
|
||||
}
|
||||
@desc{
|
||||
Uses a hash table to record previously seen lines.
|
||||
You can run this program in DrRacket, but it makes more
|
||||
sense from the command line.
|
||||
})
|
||||
)
|
||||
@; Additional examples: --------------------------
|
||||
(list
|
||||
(graphical-example
|
||||
@code{
|
||||
#lang racket ; A picture
|
||||
(require 2htdp/image)
|
||||
(let sierpinski ([n 6])
|
||||
(if (zero? n)
|
||||
(triangle 2 'solid 'red)
|
||||
(let ([next (sierpinski (- n 1))])
|
||||
(above next (beside next next)))))
|
||||
}
|
||||
@desc{
|
||||
The @elemcode{2htdp/image} library provides easy-to-use
|
||||
functions for constructing images, and DrRacket can display
|
||||
an image result as easily as it can display a number result.
|
||||
In this case, a @elemcode{sierpinski} function is defined and
|
||||
called (at the same time) to generate a Sierpinski triangle
|
||||
of depth 6.
|
||||
})
|
||||
(graphical-example
|
||||
@code{
|
||||
#lang racket/gui ; A GUI guessing game
|
||||
(define f (new frame% [label "Guess"]))
|
||||
(define n (random 5)) (send f show #t)
|
||||
(define ((check i) btn evt)
|
||||
(message-box "." (if (= i n) "Yes" "No")))
|
||||
(for ([i (in-range 5)])
|
||||
(make-object button% (format "~a" i) f (check i)))
|
||||
}
|
||||
@desc{
|
||||
This simple guesing game demonstates Racket's
|
||||
class-based GUI toolkit. The
|
||||
@elemcode{frame%} class implements a
|
||||
top-level window, and @elemcode{button%} obviously
|
||||
implements a button. The @elemcode{check} function
|
||||
defined here produces an function that is used
|
||||
for the button's callback action.
|
||||
})
|
||||
(example
|
||||
@code{
|
||||
#lang racket ; Simple web scraper
|
||||
(require net/url net/uri-codec)
|
||||
(define (let-me-google-that-for-you str)
|
||||
(let* ([g "http://www.google.com/search?q="]
|
||||
[u (string-append g (uri-encode str))]
|
||||
[rx #rx"(?<=<h3 class=\"r\">).*?(?=</h3>)"])
|
||||
(regexp-match* rx (get-pure-port (string->url g)))))
|
||||
}
|
||||
@desc{
|
||||
Add a call to @elemcode{let-me-google-that-for-you} to
|
||||
get a list of search results.
|
||||
})
|
||||
(cmdline-example
|
||||
@code{
|
||||
#lang racket
|
||||
;; A dice-rolling command-line utility
|
||||
(command-line
|
||||
#:args (dice sides)
|
||||
(for ([i (in-range (string->number dice))])
|
||||
(displayln
|
||||
(+ 1 (random (string->number sides))))))
|
||||
}
|
||||
@desc{
|
||||
Playing a game but no dice on hand?
|
||||
Let Racket roll for you. The @elemcode{command-line}
|
||||
form makes sure that the right number of
|
||||
arguments are provided and automatically
|
||||
implements the @tt{--help} switch.
|
||||
})
|
||||
(example
|
||||
@code{
|
||||
#lang racket
|
||||
;; Print the Greek alphabet
|
||||
(for ([i (in-range 25)])
|
||||
(displayln
|
||||
(integer->char
|
||||
(+ i (char->integer #\u3B1)))))
|
||||
|
||||
}
|
||||
@desc{
|
||||
The only reason we use the encoded form of a
|
||||
character @elemcode{#\u3B1}
|
||||
instead of the more direct form @elemcode{#\α} is that we
|
||||
don't trust your browser to render it correctly. DrRacket
|
||||
is perfectly happy with @elemcode{#\α}.
|
||||
})
|
||||
(graphical-example
|
||||
@code{
|
||||
#lang htdp/bsl ; Any key inflates the balloon
|
||||
(require 2htdp/image) (require 2htdp/universe)
|
||||
(define (balloon b) (circle b "solid" "red"))
|
||||
(define (blow-up b k) (+ b 5))
|
||||
(define (deflate b) (max (- b 1) 1))
|
||||
(big-bang 50 (on-key blow-up) (on-tick deflate)
|
||||
(to-draw balloon 200 200))
|
||||
}
|
||||
@desc{
|
||||
Racket's mission includes education at all levels.
|
||||
This program uses the @elemcode{htdp/bsl} teaching
|
||||
language, the @elemcode{2htdp/image} library for
|
||||
creating pictures in the teaching languages, and the
|
||||
@elemcode{2htdp/universe} library for interactive
|
||||
animations.
|
||||
})
|
||||
(example
|
||||
@code{
|
||||
#lang lazy
|
||||
;; An infinite list:
|
||||
(define fibs
|
||||
(list* 1 1 (map + fibs (cdr fibs))))
|
||||
|
||||
;; Print the 1000th Fibonacci number:
|
||||
(print (list-ref fibs 1000))
|
||||
}
|
||||
@desc{
|
||||
And now for something completely different.
|
||||
The @elemcode{lazy} language is more like Haskell
|
||||
than Lisp, so feel free to build an infinite list
|
||||
and look at only part of it.
|
||||
})
|
||||
(example
|
||||
@code{
|
||||
#lang typed/racket
|
||||
;; Using higher-order occurrence typing
|
||||
(define-type SrN (U String Number))
|
||||
(: tog ((Listof SrN) -> String))
|
||||
(define (tog l)
|
||||
(apply string-append (filter string? l)))
|
||||
(tog (list 5 "hello " 1/2 "world" (sqrt -1)))
|
||||
}
|
||||
@desc{
|
||||
Racket's type system is designed to let you
|
||||
add types after you've worked for a while
|
||||
in untyped mode @|ndash| even if your untyped program
|
||||
wouldn't fit nicely in a conventional type system.
|
||||
})
|
||||
(scribble-example
|
||||
@code|{
|
||||
#lang scribble/base
|
||||
@; Generate a PDF or HTML document
|
||||
@title{Bottles --- @italic{Abridged}}
|
||||
|
||||
@(apply itemlist
|
||||
(for/list ([n (in-range 100 0 -1)])
|
||||
@item{@(format "~a" n) bottles.}))
|
||||
}|
|
||||
@desc{
|
||||
This program uses the @elemcode{scribble/base} language for
|
||||
generating documents using a prose-friendly syntax.
|
||||
})
|
||||
))
|
||||
@p{@a[href: (doc "quick/")]{Draw more pictures} or
|
||||
@a[href: (doc "more/")]{build a web server from scratch}.
|
||||
Racket includes both @a[href: (doc "")]{batteries}
|
||||
and a @a[href: (doc "drracket/")]{programming environment},
|
||||
so @a[href: (doc "getting-started/index.html")]{get started}!})
|
||||
(table class: 'threepanes
|
||||
(tr
|
||||
(td
|
||||
(div class: 'panetitle "Grow your Program")
|
||||
@p{Racket's
|
||||
@a[href: (doc "guide/intro.html#(part._.Interacting_with_.Racket)")]{interactive mode}
|
||||
encourages experimentation,
|
||||
and quick scripts easily compose into larger systems. Small scripts
|
||||
and large systems both benefit from @a[href:
|
||||
(doc "guide/performance.html")]{native-code JIT compilation}. When
|
||||
a system gets too big to keep in your head, you can add
|
||||
@a[href: (doc "ts-guide/index.html")]{static types}.})
|
||||
(td
|
||||
(div class: 'panetitle "Grow your Language")
|
||||
@p{@a[href: (doc "guide/languages.html")]{Extend Racket} whenever
|
||||
you need to. Mold it to better suit your tasks without
|
||||
sacrificing
|
||||
@a[href: (doc "guide/dialects.html")]{interoperability} with
|
||||
existing libraries and without having to modify the
|
||||
@a[href: (doc "guide/intro.html")]{tool chain}.
|
||||
When less is more, you can remove parts of a language
|
||||
or start over and build a new one.})
|
||||
(td
|
||||
(div class: 'panetitle "Grow your Skills")
|
||||
@p{Whether you're just @-htdp{starting out}, want to know more
|
||||
about programming language @-plai{applications} or
|
||||
@-redex{models}, looking to @continue{expand your horizons},
|
||||
or ready to dive into @outreach+research{research}, Racket can
|
||||
help you become a better programmer and system builder.})))))
|
||||
|
||||
(define (alts-panel l1 l2)
|
||||
(define l (append l1 l2))
|
||||
(apply div class: 'slideshow
|
||||
@script/inline[type: "text/javascript"]{
|
||||
var showing = 0;
|
||||
var help_showing = false;
|
||||
var kind = [ @(string-join (for/list ([i (in-list l)])
|
||||
(cond
|
||||
[(cmdline-example? i) "\"cmd\""]
|
||||
[(scribble-example? i) "\"scrib\""]
|
||||
[(graphical-example? i) "\"dr\""]
|
||||
[else "\"any\""]))
|
||||
",") ];
|
||||
function change_show_to(new_showing) {
|
||||
elem = document.getElementById("frame" + showing);
|
||||
elem.style.display = "none";
|
||||
elem = document.getElementById("helpframe" + showing);
|
||||
elem.style.display = "none";
|
||||
elem = document.getElementById("howto" + kind[showing]);
|
||||
elem.style.display = "none";
|
||||
showing = new_showing;
|
||||
elem = document.getElementById("frame" + showing);
|
||||
elem.style.display = "block";
|
||||
elem = document.getElementById("helpframe" + showing);
|
||||
elem.style.display = "block";
|
||||
elem = document.getElementById("howto" + kind[showing]);
|
||||
elem.style.display = "block";
|
||||
elem = document.getElementById("rewindbutton");
|
||||
elem.style.color = ((showing == 0) ? "#aaa" : "#444");
|
||||
elem = document.getElementById("advancebutton");
|
||||
elem.style.color = ((showing == @(sub1 (length l))) ? "#aaa" : "#444");
|
||||
}
|
||||
function change_show(amt) {
|
||||
change_show_to((showing + amt + @(length l)) % @(length l));
|
||||
}
|
||||
function advance_show() {
|
||||
if (showing < @(sub1 (length l))) change_show(1);
|
||||
return false;
|
||||
}
|
||||
function rewind_show() {
|
||||
if (showing > 0) change_show(-1);
|
||||
return false;
|
||||
}
|
||||
function show_help() {
|
||||
elem = document.getElementById("helppanel");
|
||||
elem.style.display = "block";
|
||||
help_showing = true;
|
||||
return false;
|
||||
}
|
||||
function hide_help() {
|
||||
elem = document.getElementById("helppanel");
|
||||
elem.style.display = "none";
|
||||
help_showing = false;
|
||||
return false;
|
||||
}
|
||||
function toggle_help() {
|
||||
if (help_showing)
|
||||
return hide_help();
|
||||
else
|
||||
return show_help();
|
||||
}
|
||||
}
|
||||
(div
|
||||
class: 'buttonpanel
|
||||
(a href: "#"
|
||||
id: "rewindbutton"
|
||||
class: 'slideshowbutton
|
||||
onclick: "return rewind_show()"
|
||||
style: "color: #aaa;"
|
||||
"<")
|
||||
(a href: "#"
|
||||
id: "advancebutton"
|
||||
class: 'slideshowbutton
|
||||
onclick: "return advance_show()"
|
||||
">")
|
||||
(a href: "#"
|
||||
class: 'slideshowhbutton
|
||||
onclick: "return toggle_help()"
|
||||
"?")
|
||||
(div class: 'hiddenhelp
|
||||
id: "helppanel"
|
||||
style: "display: none"
|
||||
(div class: 'helpcontent
|
||||
(a href: "#"
|
||||
class: 'closebutton
|
||||
onclick: "return hide_help()"
|
||||
"close")
|
||||
(apply div class: 'helpdesc
|
||||
(for/list ([elem l]
|
||||
[pos (in-naturals)])
|
||||
(div class: 'helpdeskframe
|
||||
id: (format "helpframe~a" pos)
|
||||
style: "display: none"
|
||||
(example-desc elem))))
|
||||
@div[class: 'helptext]{Form and function names in the code
|
||||
are hyperlinked to documentation, so click on them
|
||||
for more information.}
|
||||
@div[class: 'helptext
|
||||
id: "howtoany"]{To run the example, install Racket,
|
||||
start DrRacket, paste the example program
|
||||
into the top area in DrRacket,
|
||||
and click the Run button. Alternatively, save the
|
||||
program to a file and run @tt{racket} on the file.}
|
||||
@div[class: 'helptext
|
||||
style: "display: none"
|
||||
id: "howtodr"]{To run the example, install Racket,
|
||||
start DrRacket, paste the example program
|
||||
into the top area in DrRacket,
|
||||
and click the Run button.}
|
||||
@div[class: 'helptext
|
||||
id: "howtoscrib"]{To run the example, install Racket,
|
||||
start DrRacket, and paste the example program
|
||||
into the top area in DrRacket.
|
||||
When a program in a Scribble
|
||||
language is opened in DrRacket, a @b{Scribble HTML}
|
||||
button appears for rendering the document to HTML.
|
||||
Click it.}
|
||||
@div[class: 'helptext
|
||||
style: "display: none"
|
||||
id: "howtocmd"]{This example is a command-line script.
|
||||
To run the example, install Racket,
|
||||
paste the example program into a file, and
|
||||
run @tt{racket} on the file with command-line arguments
|
||||
after the filename. Alternatively, for a Unix installation, you can
|
||||
add @tt{#!/usr/bin/env racket} at the top and make the
|
||||
file executable, and then you can run the file directly.})))
|
||||
(append
|
||||
(for/list ([elem l]
|
||||
[pos (in-naturals)])
|
||||
(div class: 'slideshowframe
|
||||
id: (format "frame~a" pos)
|
||||
style: (format "display: ~a" (if (zero? pos) "block" "none"))
|
||||
(example-code elem)))
|
||||
(list
|
||||
@script/inline[type: "text/javascript"]{
|
||||
change_show_to(Math.floor(Math.random()* @(length l1)));
|
||||
}))))
|
||||
|
||||
;; TODO
|
||||
;; (define screenshots
|
||||
;; (let ([image (copyfile (in-here "screenshot.jpg"))])
|
||||
;; @a[href: "http://plt-scheme.org/screenshots/"]{
|
||||
;; @img[src: image alt: "[screenshots]" border: 0
|
||||
;; style: "margin-bottom: 2px;"]@;
|
||||
;; @|br|@small{Screenshots}}))
|
||||
|
||||
;; (define tour-video
|
||||
;; (page #:title "DrScheme Tour" #:file "tour.html"
|
||||
;; (define (center . body)
|
||||
;; (table align: 'center style: "margin: 3em 0em;"
|
||||
;; (tr (td align: 'center body))))
|
||||
;; ;; someone posted a comment saying that adding "&fmt=18" to the url
|
||||
;; ;; shows a higher resolution video, but it looks exactly the same.
|
||||
;; (define url "http://www.youtube.com/v/vgQO_kHl39g&hl=en")
|
||||
;; @center{
|
||||
;; @object[type: "application/x-shockwave-flash" data: url
|
||||
;; width: (round (* 3/2 425)) height: (round (* 3/2 344))]{
|
||||
;; @param[name: "movie" value: url]}}))
|
||||
|
||||
(define download-plt
|
||||
(let ([img1 (copyfile (in-here "download.png"))]
|
||||
[img2 (copyfile (in-here "download-dark.png"))])
|
||||
(list
|
||||
@script/inline[type: "text/javascript"]{
|
||||
@; Don't load all images here -- it causes a delay when loading the page
|
||||
@; instead, do it only when needed, and also set a timer to do it after
|
||||
@; loading the page. This makes it so that there's almost never a delay
|
||||
@; when loading the page, and also no delay when switching the image.
|
||||
var rollovers = false, the_download_button = false;
|
||||
function init_rollovers() {
|
||||
if (!rollovers) {
|
||||
rollovers = [ new Image(), new Image() ];
|
||||
rollovers[0].src = "@img1";
|
||||
rollovers[1].src = "@img2";
|
||||
the_download_button = document.getElementById("download_button");
|
||||
}
|
||||
}
|
||||
function set_download_image(n) {
|
||||
if (!rollovers) init_rollovers();
|
||||
the_download_button.src = rollovers[n].src;
|
||||
}
|
||||
setTimeout(init_rollovers, 400);
|
||||
}
|
||||
@a[href: "http://download.plt-scheme.org/drscheme/"
|
||||
onmouseover: "set_download_image(1);"
|
||||
onmouseout: "set_download_image(0);"]{
|
||||
@img[id: "download_button" border: "0" src: img1
|
||||
alt: "Download PLT Scheme" title: "Download PLT Scheme"]})))
|
||||
|
||||
(define more.css
|
||||
@plain[#:referrer (lambda (url) (link rel: "stylesheet" type: "text/css"
|
||||
href: url title: "default"))]{
|
||||
.whatpane {
|
||||
font-size: medium;
|
||||
float: left;
|
||||
width: 20%;
|
||||
}
|
||||
.whatb {
|
||||
font-size: large;
|
||||
font-weight: bold;
|
||||
}
|
||||
.aboutpane {
|
||||
width: 56%;
|
||||
margin-right: auto;
|
||||
margin-left: auto;
|
||||
}
|
||||
.panetitle {
|
||||
width: 100%;
|
||||
font-size: large;
|
||||
font-weight: bold;
|
||||
color: #D00;
|
||||
}
|
||||
.threepanes {
|
||||
width: 100%;
|
||||
}
|
||||
.threepanes td {
|
||||
vertical-align: top;
|
||||
align: center;
|
||||
width: 30%;
|
||||
padding: 0.5em;
|
||||
}
|
||||
.slideshow {
|
||||
position: relative;
|
||||
}
|
||||
.buttonpanel {
|
||||
display: block;
|
||||
position: absolute;
|
||||
left: 100%;
|
||||
top: -3ex;
|
||||
width: 3em;
|
||||
margin: 0em 0em 0em -5em;
|
||||
}
|
||||
.slideshowbutton, .slideshowhbutton {
|
||||
text-decoration: none;
|
||||
border: 1px solid #ddd;
|
||||
font-weight: bold;
|
||||
color: #444;
|
||||
padding: 0px 1px 0px 1px;
|
||||
}
|
||||
.slideshowbutton {
|
||||
margin: 0px 1px 0px 1px;
|
||||
}
|
||||
.slideshowhbutton {
|
||||
margin: 0px 1px 0px 10px;
|
||||
}
|
||||
.hiddenhelp {
|
||||
width: 0em;
|
||||
margin-left: 2em;
|
||||
}
|
||||
.helpcontent {
|
||||
width: 20em;
|
||||
background-color: #FFE;
|
||||
padding: 10px;
|
||||
margin-top: 3px;
|
||||
border: 1px solid black;
|
||||
}
|
||||
.closebutton {
|
||||
font-size: small;
|
||||
margin-bottom: 1em;
|
||||
}
|
||||
.helptext, .helpdesc {
|
||||
margin-top: 0.5em;
|
||||
}
|
||||
.helptext {
|
||||
font-size: small;
|
||||
}
|
||||
.downloadbutton {
|
||||
position: relative;
|
||||
float: right;
|
||||
left: 1em;
|
||||
top: -1em;
|
||||
height: 0em;
|
||||
width: 1em;
|
||||
margin: 0em -1em 0em 0em;
|
||||
}
|
||||
@;
|
||||
.codecomment {
|
||||
color: #c2741f;
|
||||
}
|
||||
.codeparenthesis {
|
||||
color: #843c24;
|
||||
}
|
||||
.codeconstant, .codestring {
|
||||
color: #228b22;
|
||||
}
|
||||
.codeid, .codemodpath {
|
||||
color: #262680;
|
||||
}
|
||||
.codeimportid {
|
||||
color: blue;
|
||||
}
|
||||
.codeimportform {
|
||||
font-weight: bold;
|
||||
}
|
||||
.codelinkimportid {
|
||||
color: blue;
|
||||
text-decoration: none;
|
||||
}
|
||||
.codelinkimportform {
|
||||
font-weight: bold;
|
||||
color: black;
|
||||
text-decoration: none;
|
||||
}
|
||||
.codelinkimportid:hover {
|
||||
text-decoration: none;
|
||||
}
|
||||
.codelinkimportform:hover {
|
||||
text-decoration: none;
|
||||
}
|
||||
.codemodpath:hover {
|
||||
text-decoration: none;
|
||||
}})
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user