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Diffstat (limited to 'Text/Pandoc/Writers/S5.hs')
-rw-r--r-- | Text/Pandoc/Writers/S5.hs | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/Text/Pandoc/Writers/S5.hs b/Text/Pandoc/Writers/S5.hs new file mode 100644 index 000000000..3bcda60d5 --- /dev/null +++ b/Text/Pandoc/Writers/S5.hs @@ -0,0 +1,136 @@ +{- +Copyright (C) 2006-7 John MacFarlane <jgm@berkeley.edu> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +-} + +{- | + Module : Text.Pandoc.Writers.S5 + Copyright : Copyright (C) 2006-7 John MacFarlane + License : GNU GPL, version 2 or above + + Maintainer : John MacFarlane <jgm@berkeley.edu> + Stability : alpha + Portability : portable + +Definitions for creation of S5 powerpoint-like HTML. +(See <http://meyerweb.com/eric/tools/s5/>.) +-} +module Text.Pandoc.Writers.S5 ( + -- * Strings + s5Meta, + s5Javascript, + s5CSS, + s5Links, + -- * Functions + writeS5, + writeS5String, + insertS5Structure + ) where +import Text.Pandoc.Shared ( joinWithSep, WriterOptions ) +import Text.Pandoc.Writers.HTML ( writeHtml, writeHtmlString ) +import Text.Pandoc.Definition +import Text.XHtml.Strict +import Text.Pandoc.Include ( includeStrFrom, s5Path ) + +s5Meta :: String +s5Meta = "<!-- configuration parameters -->\n<meta name=\"defaultView\" content=\"slideshow\" />\n<meta name=\"controlVis\" content=\"hidden\" />\n" + +s5Javascript :: String +s5Javascript = "<script type=\"text/javascript\">\n" ++ + $(includeStrFrom $ s5Path "slides.js") ++ + "</script>\n" + +s5CoreCSS :: String +s5CoreCSS = $(includeStrFrom $ s5Path "s5-core.css") + +s5FramingCSS :: String +s5FramingCSS = $(includeStrFrom $ s5Path "framing.css") + +s5PrettyCSS :: String +s5PrettyCSS = $(includeStrFrom $ s5Path "pretty.css") + +s5OperaCSS :: String +s5OperaCSS = $(includeStrFrom $ s5Path "opera.css") + +s5OutlineCSS :: String +s5OutlineCSS = $(includeStrFrom $ s5Path "outline.css") + +s5PrintCSS :: String +s5PrintCSS = $(includeStrFrom $ s5Path "print.css") + +s5CSS :: String +s5CSS = "<style type=\"text/css\" media=\"projection\" id=\"slideProj\">\n" ++ s5CoreCSS ++ "\n" ++ s5FramingCSS ++ "\n" ++ s5PrettyCSS ++ "\n</style>\n<style type=\"text/css\" media=\"projection\" id=\"operaFix\">\n" ++ s5OperaCSS ++ "\n</style>\n<style type=\"text/css\" media=\"screen\" id=\"outlineStyle\">\n" ++ s5OutlineCSS ++ "\n</style>\n<style type=\"text/css\" media=\"print\" id=\"slidePrint\">\n" ++ s5PrintCSS ++ "\n</style>\n" + +s5Links :: String +s5Links = "<!-- style sheet links -->\n<link rel=\"stylesheet\" href=\"ui/default/slides.css\" type=\"text/css\" media=\"projection\" id=\"slideProj\" />\n<link rel=\"stylesheet\" href=\"ui/default/outline.css\" type=\"text/css\" media=\"screen\" id=\"outlineStyle\" />\n<link rel=\"stylesheet\" href=\"ui/default/print.css\" type=\"text/css\" media=\"print\" id=\"slidePrint\" />\n<link rel=\"stylesheet\" href=\"ui/default/opera.css\" type=\"text/css\" media=\"projection\" id=\"operaFix\" />\n<!-- S5 JS -->\n<script src=\"ui/default/slides.js\" type=\"text/javascript\"></script>\n" + +-- | Converts Pandoc document to an S5 HTML presentation (Html structure). +writeS5 :: WriterOptions -> Pandoc -> Html +writeS5 options = (writeHtml options) . insertS5Structure + +-- | Converts Pandoc document to an S5 HTML presentation (string). +writeS5String :: WriterOptions -> Pandoc -> String +writeS5String options = (writeHtmlString options) . insertS5Structure + +-- | Inserts HTML needed for an S5 presentation (e.g. around slides). +layoutDiv :: [Inline] -- ^ Title of document (for header or footer) + -> String -- ^ Date of document (for header or footer) + -> [Block] -- ^ List of block elements returned +layoutDiv title date = [(RawHtml "<div class=\"layout\">\n<div id=\"controls\"></div>\n<div id=\"currentSlide\"></div>\n<div id=\"header\"></div>\n<div id=\"footer\">\n"), (Header 1 [Str date]), (Header 2 title), (RawHtml "</div>\n</div>\n")] + +presentationStart = RawHtml "<div class=\"presentation\">\n\n" + +presentationEnd = RawHtml "</div>\n" + +slideStart = RawHtml "<div class=\"slide\">\n" + +slideEnd = RawHtml "</div>\n" + +-- | Returns 'True' if block is a Header 1. +isH1 :: Block -> Bool +isH1 (Header 1 _) = True +isH1 _ = False + +-- | Insert HTML around sections to make individual slides. +insertSlides :: Bool -> [Block] -> [Block] +insertSlides beginning blocks = + let (beforeHead, rest) = break isH1 blocks in + if (null rest) then + if beginning then + beforeHead + else + beforeHead ++ [slideEnd] + else + if beginning then + beforeHead ++ + slideStart:(head rest):(insertSlides False (tail rest)) + else + beforeHead ++ + slideEnd:slideStart:(head rest):(insertSlides False (tail rest)) + +-- | Insert blocks into 'Pandoc' for slide structure. +insertS5Structure :: Pandoc -> Pandoc +insertS5Structure (Pandoc meta []) = Pandoc meta [] +insertS5Structure (Pandoc (Meta title authors date) blocks) = + let slides = insertSlides True blocks + firstSlide = if not (null title) + then [slideStart, (Header 1 title), + (Header 3 [Str (joinWithSep ", " authors)]), + (Header 4 [Str date]), slideEnd] + else [] + newBlocks = (layoutDiv title date) ++ presentationStart:firstSlide ++ + slides ++ [presentationEnd] + in Pandoc (Meta title authors date) newBlocks |