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Until now, the pptx writer only supported four slide layouts: “Title
Slide” (used for the automatically generated metadata slide), “Section
Header” (used for headings above the slide level), “Two Column” (used
when there’s a columns div containing at least two column divs), and
“Title and Content” (used for all other slides).
This commit adds support for three more layouts: Comparison, Content
with Caption, and Blank.
- Support “Comparison” slide layout
This layout is used when a slide contains at least two columns, at
least one of which contains some text followed by some non-text (e.g.
an image or table). The text in each column is inserted into the
“body” placeholder for that column, and the non-text is inserted into
the ObjType placeholder. Any extra content after the non-text is
overlaid on top of the preceding content, rather than dropping it
completely (as currently happens for the two-column layout).
+ Accept straightforward test changes
Adding the new layout means the “-deleted-layouts” tests have an
additional layout added to the master and master rels.
+ Add new tests for the comparison layout
+ Add new tests to pandoc.cabal
- Support “Content with Caption” slide layout
This layout is used when a slide’s body contains some text, followed by
non-text (e.g. and image or a table). Before now, in this case the image
or table would break onto a new slide: to get that output again, users
can add a horizontal rule before the image or table.
+ Accept straightforward tests
The “-deleted-layouts” tests all have an extra layout and relationship
in the master for the Content with Caption layout.
+ Accept remove-empty-slides test
Empty slides are still removed, but the Content with Caption layout is
now used.
+ Change slide-level-0/h1-h2-with-text description
This test now triggers the content with caption layout, giving a
different (but still correct) result.
+ Add new tests for the new layout
+ Add new tests to the cabal file
- Support “Blank” slide layout
This layout is used when a slide contains only blank content (e.g.
non-breaking spaces). No content is inserted into any placeholders in
the layout.
Fixes #5097.
+ Accept straightforward test changes
Blank layout now copied over from reference doc as well, when
layouts have been deleted.
+ Add some new tests
A slide should use the blank layout if:
- It contains only speaker notes
- It contains only an empty heading with a body of nbsps
- It contains only a heading containing only nbsps
- Change ContentType -> Placeholder
This type was starting to have a constructor for each placeholder on
each slide (e.g. `ComparisonUpperLeftContent`). I’ve changed it
instead to identify a placeholder by type and index, as I think that’s
clearer and less redundant.
- Describe layout-choosing logic in manual
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Before this commit, the pptx writer adds a slide break before any table,
“columns” div, or paragraph starting with an image, unless the only
thing before it on the same slide is a heading at the slide level. In
that case, the item and heading are kept on the same slide, and the
heading is used as the slide title (inserted into the layout’s “title”
placeholder).
However, if the slide level is set to 0 (as was recently enabled) this
makes it impossible to have a slide with a title which contains any of
those items in its body.
This commit changes this behaviour: now if the slide level is 0, then
items will be kept with a heading of any level, if the heading’s the
only thing before the item on the same slide.
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The image title (i.e. ``) was previously
ignored when writing to pptx. This commit includes it in PowerPoint's
description of the image, along with the link (which was already
included).
Fixes 7352.
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* Fix hlint suggestions, update hlint.yaml
Most suggestions were redundant brackets. Some required
LambdaCase.
The .hlint.yaml file had a small typo, and didn't ignore camelCase
suggestions in certain modules.
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(Instead of old Span with underline class.
Spans with `underline` will no longer be rendered
as underlined text.)
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Deprecate `underlineSpan` in Shared in favor of `Text.Pandoc.Builder.underline`.
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- Writers.Native is now adapted to the new Table type.
- Inline captions should now be conditionally wrapped in a Plain, not
a Para block.
- The toLegacyTable function now lives in Writers.Shared.
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* Use implicit Prelude
The previous behavior was introduced as a fix for #4464. It seems that
this change alone did not fix the issue, and `stack ghci` and `cabal
repl` only work with GHC 8.4.1 or newer, as no custom Prelude is loaded
for these versions. Given this, it seems cleaner to revert to the
implicit Prelude.
* PandocMonad: remove outdated check for base version
Only base versions 4.9 and later are supported, the check for
`MIN_VERSION_base(4,8,0)` is therefore unnecessary.
* Always use custom prelude
Previously, the custom prelude was used only with older GHC versions, as
a workaround for problems with ghci. The ghci problems are resolved by
replacing package `base` with `base-noprelude`, allowing for consistent
use of the custom prelude across all GHC versions.
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* Update copyright year
* Copyright: add notes for Lua and Jira modules
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All warnings are either fixed or, if more appropriate, HLint is
configured to ignore them. HLint suggestions remain.
* Ignore "Use camelCase" warnings in Lua and legacy code
* Fix or ignore remaining HLint warnings
* Remove redundant brackets
* Remove redundant `return`s
* Remove redundant as-pattern
* Fuse mapM_/map
* Use `.` to shorten code
* Remove redundant `fmap`
* Remove unused LANGUAGE pragmas
* Hoist `not` in Text.Pandoc.App
* Use fewer imports for `Text.DocTemplates`
* Remove redundant `do`s
* Remove redundant `$`s
* Jira reader: remove unnecessary parentheses
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* Use concatMap instead of reimplementing it
* Replace an unnecessary multi-way if with a regular if
* Use sortOn instead of sortBy and comparing
* Use guards instead of lots of indents for if and else
* Remove redundant do blocks
* Extract common functions from both branches of maybe
Whenever both the Nothing and the Just branch of maybe do the same
function, do that function on the result of maybe instead.
* Use fmap instead of reimplementing it from maybe
* Use negative forms instead of negating the positive forms
* Use mapMaybe instead of mapping and then using catMaybes
* Use zipWith instead of mapping over the result of zip
* Use unwords instead of reimplementing it
* Use <$ instead of <$> and const
* Replace case of Bool with if and else
* Use find instead of listToMaybe and filter
* Use zipWithM instead of mapM and zip
* Inline lambda wrappers into the real functions
* We get zipWithM from Text.Pandoc.Writers.Shared
* Use maybe instead of fromMaybe and fmap
I'm not sure how this one slipped past me.
* Increase a bit of indentation
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PR #5884.
+ Use pandoc-types 1.20 and texmath 0.12.
+ Text is now used instead of String, with a few exceptions.
+ In the MediaBag module, some of the types using Strings
were switched to use FilePath instead (not Text).
+ In the Parsing module, new parsers `manyChar`, `many1Char`,
`manyTillChar`, `many1TillChar`, `many1Till`, `manyUntil`,
`mantyUntilChar` have been added: these are like their
unsuffixed counterparts but pack some or all of their output.
+ `glob` in Text.Pandoc.Class still takes String since it seems
to be intended as an interface to Glob, which uses strings.
It seems to be used only once in the package, in the EPUB writer,
so that is not hard to change.
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This commit alters the way in which the Powerpoint writer treats
inline code and code blocks.
- Inline code is now formatted at the same size as the surrounding
text.
- Code blocks are now given a margin and font size according to their
level.
- Furthermore this commit allows changing the font with which code is
formatted via the `monofont` option.
Tested in
- PowerPoint 365 for Windows - 1808 (Build 10730.20344 Click-to-Run)
- PowerPoint 365 for Mac - 16.26 (19060901)
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I had been using record syntax in an ADT, is bad style, since it means
that each record produces a partial function. Fortunately we weren't
using the partial functions anywhere, so this changes it to positional
syntax.
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If the slide deck has a metadata slide (with author, title, etc) and
has speaker notes before any body content, the speaker notes will be
applied to the metadata slide. If there is no metadata slide, pandoc
will behave as before.
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Previously, if notes came after a section-title header (ie, a level-1
header in a slide-level=2 presentation), they would go on the next
slide. This keeps them on the slide with the header.
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The haddock module header contains essentially the
same information, so the boilerplate is redundant and
just one more thing to get out of sync.
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Use span with single class "underline" as in docx writer.
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Quite a few modules were missing copyright notices.
This commit adds copyright notices everywhere via haddock module
headers. The old license boilerplate comment is redundant with this and has
been removed.
Update copyright years to 2019.
Closes #4592.
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* docx writer: support custom properties. Solves the writer part of #3024.
Also supports additional core properties: `subject`, `lang`, `category`,
`description`.
* odt writer: improve standard properties, including the following core properties:
`generator` (Pandoc/VERSION), `description`, `subject`, `keywords`,
`initial-creator` (from authors), `creation-date` (actual creation date).
Also fix date.
* pptx writer: support custom properties. Also supports additional core
properties: `subject`, `category`, `description`.
* Includes golden tests.
* MANUAL: document metadata support for docx, odt, pptx writers
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instead of duplicating code.
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The parameter is Extensions. This allows these functions to
be sensitive to the settings of `Ext_gfm_auto_identifiers` and
`Ext_ascii_identifiers`.
This allows us to use `uniqueIdent` in the CommonMark reader,
replacing some custom code.
It also means that `gfm_auto_identifiers` can now be used
in all formats.
Semantically, `gfm_auto_identifiers` is now a modifier of
`auto_identifiers`; for identifiers to be set, `auto_identifiers`
must be turned on, and then the type of identifier produced
depends on `gfm_auto_identifiers` and `ascii_identifiers` are set.
Closes #5057.
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This allows raw openxml blocks and inlines to be used in the pptx
writer.
A few caveats:
1. It's up to the user to write well-formed openxml. The chances for
corruption, especially with such a brittle format as pptx, is pretty
high.
2. Because of the tricky way that blocks map onto shapes, if you are
using a raw block, it should be the only block on a slide (otherwise
other text might end up overlapping it).
3. The pptx ooxml namespace abbreviations are different from the docx ooxml
namespaces. Again, it's up to the user to get it right. Unzipped
document and ooxml specification should be consulted.
Closes: #4976
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Remove exported functions `metaValueToInlines`, `metaValueToString`.
Add new exported functions `lookupMetaBool`, `lookupMetaBlocks`,
`lookupMetaInlines`, `lookupMetaString`.
Use these whenever possible for uniformity in writers.
API change (major, because of removed function `metaValueToInlines`.
`metaValueToString` wasn't in any released version.)
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Closes: #4532
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Since we're using mapM_ instead of mapM, we can get rid of the return
statement. We also don't need the `unless` statement anymore.
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We now pull the filtered blocks and speaker notes out at the top of
the `blocksToSlide` function, and then make SpeakerNotes into a
parameter of the `blocksToSlide'` subfunction. The output is the same,
but the logic should be easier to follow now.
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We used to keep a map of the slideId-to-notes for each slide. Since we
now extract them at the slide level, this is overcomplicated, and we
can just extract them before converting a slide and then clear the
state after.
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Previously, we had treated it as a `Maybe`. But there is no difference
between not having speaker notes and having empty speaker notes. So we
make the SpeakerNotes newtype into a monoid, and test for memptiness
instead of testing for Just/Nothing.
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Internal change: We were getting bad results with the empty text box
created by the conversion of notes into an empty paragraph. So we now
convert the notes at the `blocksToSlide` stage, by `walkM`ing a
function over the blocks that returns `()`, and then filters the notes
out. This avoids the need to have a return value for speaker notes,
and thus avoids the empty TextBox.
Together with the previous commit (256f14c5a), closes #4477.
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Some blocks automatically split slides (imgs, tables, `column`
divs). We assume that any speaker notes immediately following these
are connected to these elements, and keep them with the related
blocks, splitting after them.
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This is no longer necessary since we no longer support ghc 7.8.
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This seems to be necessary if we are to use our custom Prelude
with ghci.
Closes #4464.
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Instead of writing my own.
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Make sure there are no empty slides in the pptx output. Because of the
way that slides were split, these could be accidentally produced by
comments after images.
When animations are added, there will be a way to add an empty slide
with either incremental lists or pauses.
Test outputs checked with MS PowerPoint (Office 2013, Windows 10,
VBox). Both files have expected output and are not corrupted.
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MS PowerPoint does not offer a way to insert links into speaker notes
text, so we match that behavior, and make our lives easier.
As for (end)notes, there is no clear solution to the question of wat
that would *mean*. The default behavior would be to add it to the
endnote slide, but that would put speaker note content into the public
presentation. The best solution would be to put the content at the
bottom of the notes page, but that would take some doing, and can be
added to the speaker notes feature later.
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We record notes in a map in state while processing.
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This is to avoid confusion with {foot,end}notes.
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This also necessitated implementing colors and underlining, though
there is currently no way to produce these from markdown. Note that
background colors can't be implemented in PowerPoint, so highlighting
styles that require these will be incomplete.
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This allows us to set document metadata properties from pandoc metadata.
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This picks up the necessary information from meta and carries it over
to the XML output, so Output.hs doesn't need access to the original
pandoc information.
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