diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/Powerpoint/Output.hs')
| -rw-r--r-- | src/Text/Pandoc/Writers/Powerpoint/Output.hs | 179 |
1 files changed, 153 insertions, 26 deletions
diff --git a/src/Text/Pandoc/Writers/Powerpoint/Output.hs b/src/Text/Pandoc/Writers/Powerpoint/Output.hs index 0e6a67861..d83fb2182 100644 --- a/src/Text/Pandoc/Writers/Powerpoint/Output.hs +++ b/src/Text/Pandoc/Writers/Powerpoint/Output.hs @@ -1,6 +1,7 @@ {-# LANGUAGE DeriveTraversable #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE PatternGuards #-} +{-# LANGUAGE RecordWildCards #-} {- | Module : Text.Pandoc.Writers.Powerpoint.Output Copyright : Copyright (C) 2017-2020 Jesse Rosenthal @@ -115,7 +116,7 @@ data WriterEnv = WriterEnv { envRefArchive :: Archive -- the end of the slide file name and -- the rId number , envSlideIdOffset :: Int - , envContentType :: ContentType + , envPlaceholder :: Placeholder , envSlideIdMap :: M.Map SlideId Int -- maps the slide number to the -- corresponding notes id number. If there @@ -139,7 +140,7 @@ instance Default WriterEnv where , envInNoteSlide = False , envCurSlideId = 1 , envSlideIdOffset = 1 - , envContentType = NormalContent + , envPlaceholder = Placeholder ObjType 0 , envSlideIdMap = mempty , envSpeakerNotesIdMap = mempty , envInSpeakerNotes = False @@ -153,6 +154,9 @@ data SlideLayoutsOf a = SlideLayouts , title :: a , content :: a , twoColumn :: a + , comparison :: a + , contentWithCaption :: a + , blank :: a } deriving (Show, Functor, Foldable, Traversable) data SlideLayout = SlideLayout @@ -170,10 +174,14 @@ getSlideLayouts = asks envSlideLayouts >>= maybe (throwError e) pure e = PandocSomeError ("Slide layouts aren't defined, even though they should " <> "always be. This is a bug in pandoc.") -data ContentType = NormalContent - | TwoColumnLeftContent - | TwoColumnRightContent - deriving (Show, Eq) +-- | A placeholder within a layout, identified by type and index. +-- +-- E.g., @Placeholder ObjType 2@ is the third placeholder of type 'ObjType' in +-- the layout. +data Placeholder = Placeholder + { placeholderType :: PHType + , index :: Int + } deriving (Show, Eq) data MediaInfo = MediaInfo { mInfoFilePath :: FilePath , mInfoLocalId :: Int @@ -446,6 +454,9 @@ presentationToArchive opts meta pres = do , title = "Section Header" , content = "Title and Content" , twoColumn = "Two Content" + , comparison = "Comparison" + , contentWithCaption = "Content with Caption" + , blank = "Blank" } layouts <- for layoutTitles $ \layoutTitle -> do let layout = M.lookup (CI.mk layoutTitle) referenceLayouts @@ -550,10 +561,13 @@ getLayout layout = getElement <$> getSlideLayouts where getElement = slElement . case layout of - MetadataSlide{} -> metadata - TitleSlide{} -> title - ContentSlide{} -> content - TwoColumnSlide{} -> twoColumn + MetadataSlide{} -> metadata + TitleSlide{} -> title + ContentSlide{} -> content + TwoColumnSlide{} -> twoColumn + ComparisonSlide{} -> comparison + ContentWithCaptionSlide{} -> contentWithCaption + BlankSlide{} -> blank shapeHasId :: NameSpaces -> T.Text -> Element -> Bool shapeHasId ns ident element @@ -566,17 +580,31 @@ shapeHasId ns ident element getContentShape :: PandocMonad m => NameSpaces -> Element -> P m Element getContentShape ns spTreeElem | isElem ns "p" "spTree" spTreeElem = do - contentType <- asks envContentType - let contentShapes = getShapesByPlaceHolderType ns spTreeElem ObjType - case contentType of - NormalContent | (sp : _) <- contentShapes -> return sp - TwoColumnLeftContent | (sp : _) <- contentShapes -> return sp - TwoColumnRightContent | (_ : sp : _) <- contentShapes -> return sp - _ -> throwError $ PandocSomeError - "Could not find shape for Powerpoint content" + ph@Placeholder{..} <- asks envPlaceholder + case drop index (getShapesByPlaceHolderType ns spTreeElem placeholderType) of + sp : _ -> return sp + [] -> throwError $ PandocSomeError $ missingPlaceholderMessage ph getContentShape _ _ = throwError $ PandocSomeError "Attempted to find content on non shapeTree" +missingPlaceholderMessage :: Placeholder -> Text +missingPlaceholderMessage Placeholder{..} = + "Could not find a " <> ordinal + <> " placeholder of type " <> placeholderText + where + ordinal = T.pack (show index) <> + case (index `mod` 100, index `mod` 10) of + (11, _) -> "th" + (12, _) -> "th" + (13, _) -> "th" + (_, 1) -> "st" + (_, 2) -> "nd" + (_, 3) -> "rd" + _ -> "th" + placeholderText = case placeholderType of + ObjType -> "obj (or nothing)" + PHType t -> t + getShapeDimensions :: NameSpaces -> Element -> Maybe ((Integer, Integer), (Integer, Integer)) @@ -1302,7 +1330,7 @@ contentToElement layout hdrShape shapes element <- nonBodyTextToElement layout [PHType "title"] hdrShape let hdrShapeElements = [Elem element | not (null hdrShape)] contentElements <- local - (\env -> env {envContentType = NormalContent}) + (\env -> env {envPlaceholder = Placeholder ObjType 0}) (shapesToElements layout shapes) return $ buildSpTree ns spTree (hdrShapeElements <> contentElements) contentToElement _ _ _ = return $ mknode "p:sp" [] () @@ -1315,10 +1343,10 @@ twoColumnToElement layout hdrShape shapesL shapesR element <- nonBodyTextToElement layout [PHType "title"] hdrShape let hdrShapeElements = [Elem element | not (null hdrShape)] contentElementsL <- local - (\env -> env {envContentType =TwoColumnLeftContent}) + (\env -> env {envPlaceholder = Placeholder ObjType 0}) (shapesToElements layout shapesL) contentElementsR <- local - (\env -> env {envContentType =TwoColumnRightContent}) + (\env -> env {envPlaceholder = Placeholder ObjType 1}) (shapesToElements layout shapesR) -- let contentElementsL' = map (setIdx ns "1") contentElementsL -- contentElementsR' = map (setIdx ns "2") contentElementsR @@ -1326,6 +1354,76 @@ twoColumnToElement layout hdrShape shapesL shapesR hdrShapeElements <> contentElementsL <> contentElementsR twoColumnToElement _ _ _ _= return $ mknode "p:sp" [] () +comparisonToElement :: + PandocMonad m => + Element -> + [ParaElem] -> + ([Shape], [Shape]) -> + ([Shape], [Shape]) -> + P m Element +comparisonToElement layout hdrShape (shapesL1, shapesL2) (shapesR1, shapesR2) + | ns <- elemToNameSpaces layout + , Just cSld <- findChild (elemName ns "p" "cSld") layout + , Just spTree <- findChild (elemName ns "p" "spTree") cSld = do + element <- nonBodyTextToElement layout [PHType "title"] hdrShape + let hdrShapeElements = [Elem element | not (null hdrShape)] + contentElementsL1 <- local + (\env -> env {envPlaceholder = Placeholder (PHType "body") 0}) + (shapesToElements layout shapesL1) + contentElementsL2 <- local + (\env -> env {envPlaceholder = Placeholder ObjType 0}) + (shapesToElements layout shapesL2) + contentElementsR1 <- local + (\env -> env {envPlaceholder = Placeholder (PHType "body") 1}) + (shapesToElements layout shapesR1) + contentElementsR2 <- local + (\env -> env {envPlaceholder = Placeholder ObjType 1}) + (shapesToElements layout shapesR2) + return $ buildSpTree ns spTree $ + mconcat [ hdrShapeElements + , contentElementsL1 + , contentElementsL2 + , contentElementsR1 + , contentElementsR2 + ] +comparisonToElement _ _ _ _= return $ mknode "p:sp" [] () + +contentWithCaptionToElement :: + PandocMonad m => + Element -> + [ParaElem] -> + [Shape] -> + [Shape] -> + P m Element +contentWithCaptionToElement layout hdrShape textShapes contentShapes + | ns <- elemToNameSpaces layout + , Just cSld <- findChild (elemName ns "p" "cSld") layout + , Just spTree <- findChild (elemName ns "p" "spTree") cSld = do + element <- nonBodyTextToElement layout [PHType "title"] hdrShape + let hdrShapeElements = [Elem element | not (null hdrShape)] + textElements <- local + (\env -> env {envPlaceholder = Placeholder (PHType "body") 0}) + (shapesToElements layout textShapes) + contentElements <- local + (\env -> env {envPlaceholder = Placeholder ObjType 0}) + (shapesToElements layout contentShapes) + return $ buildSpTree ns spTree $ + mconcat [ hdrShapeElements + , textElements + , contentElements + ] +contentWithCaptionToElement _ _ _ _ = return $ mknode "p:sp" [] () + +blankToElement :: + PandocMonad m => + Element -> + P m Element +blankToElement layout + | ns <- elemToNameSpaces layout + , Just cSld <- findChild (elemName ns "p" "cSld") layout + , Just spTree <- findChild (elemName ns "p" "spTree") cSld = do + return $ buildSpTree ns spTree [] +blankToElement _ = return $ mknode "p:sp" [] () titleToElement :: PandocMonad m => Element -> [ParaElem] -> P m Element titleToElement layout titleElems @@ -1380,6 +1478,17 @@ slideToElement (Slide _ l@(TwoColumnSlide hdrElems shapesL shapesR) _) = do ("xmlns:r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships"), ("xmlns:p", "http://schemas.openxmlformats.org/presentationml/2006/main") ] [mknode "p:cSld" [] [spTree]] +slideToElement (Slide _ l@(ComparisonSlide hdrElems shapesL shapesR) _) = do + layout <- getLayout l + spTree <- local (\env -> if null hdrElems + then env + else env{envSlideHasHeader=True}) $ + comparisonToElement layout hdrElems shapesL shapesR + return $ mknode "p:sld" + [ ("xmlns:a", "http://schemas.openxmlformats.org/drawingml/2006/main"), + ("xmlns:r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships"), + ("xmlns:p", "http://schemas.openxmlformats.org/presentationml/2006/main") + ] [mknode "p:cSld" [] [spTree]] slideToElement (Slide _ l@(TitleSlide hdrElems) _) = do layout <- getLayout l spTree <- titleToElement layout hdrElems @@ -1396,7 +1505,22 @@ slideToElement (Slide _ l@(MetadataSlide titleElems subtitleElems authorElems da ("xmlns:r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships"), ("xmlns:p", "http://schemas.openxmlformats.org/presentationml/2006/main") ] [mknode "p:cSld" [] [spTree]] - +slideToElement (Slide _ l@(ContentWithCaptionSlide hdrElems captionShapes contentShapes) _) = do + layout <- getLayout l + spTree <- contentWithCaptionToElement layout hdrElems captionShapes contentShapes + return $ mknode "p:sld" + [ ("xmlns:a", "http://schemas.openxmlformats.org/drawingml/2006/main"), + ("xmlns:r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships"), + ("xmlns:p", "http://schemas.openxmlformats.org/presentationml/2006/main") + ] [mknode "p:cSld" [] [spTree]] +slideToElement (Slide _ BlankSlide _) = do + layout <- getLayout BlankSlide + spTree <- blankToElement layout + return $ mknode "p:sld" + [ ("xmlns:a", "http://schemas.openxmlformats.org/drawingml/2006/main"), + ("xmlns:r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships"), + ("xmlns:p", "http://schemas.openxmlformats.org/presentationml/2006/main") + ] [mknode "p:cSld" [] [spTree]] -------------------------------------------------------------------- -- Notes: @@ -1800,10 +1924,13 @@ slideToSlideRelElement slide = do target <- flip fmap getSlideLayouts $ T.pack . ("../slideLayouts/" <>) . takeFileName . slPath . case slide of - (Slide _ MetadataSlide{} _) -> metadata - (Slide _ TitleSlide{} _) -> title - (Slide _ ContentSlide{} _) -> content - (Slide _ TwoColumnSlide{} _) -> twoColumn + (Slide _ MetadataSlide{} _) -> metadata + (Slide _ TitleSlide{} _) -> title + (Slide _ ContentSlide{} _) -> content + (Slide _ TwoColumnSlide{} _) -> twoColumn + (Slide _ ComparisonSlide{} _) -> comparison + (Slide _ ContentWithCaptionSlide{} _) -> contentWithCaption + (Slide _ BlankSlide _) -> blank speakerNotesRels <- maybeToList <$> speakerNotesSlideRelElement slide |