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Lightbox to guideline authors page (#48)
* made the link on the news page to the actual publication item * cosmetics + force doi in getcomputo-pub.fsx, fix badge alignment in publications.ejs * updated publications metadata to include DOI * Enhance publication display: update DOI handling, improve layout, and add source links * Refactor BibTeX handling and update mock papers - Renamed `getAbstract` to `getBibTeX` for clarity and updated its implementation to return the BibTeX entry. - Introduced a new function `getAbstract` to extract the abstract from a BibTeX entry. - Added `getBibTeXFromDict` to retrieve BibTeX from a dictionary containing repository objects. - Updated `getAbstractFromDict` to utilize the new BibTeX handling functions. - Enhanced the `publications.ejs` template to generate BibTeX entries directly from the item data. * Add lightbox filter to author guidelines for enhanced image display
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‎_extensions/quarto-ext/lightbox/_extension.yml‎

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title: Lightbox
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author: Posit Software, PBC
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version: 0.1.9
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quarto-required: ">=1.2.198"
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contributes:
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filters:
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- lightbox.lua

‎_extensions/quarto-ext/lightbox/lightbox.css‎

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body:not(.glightbox-mobile) div.gslide div.gslide-description,
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body:not(.glightbox-mobile) div.gslide-description .gslide-title,
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body:not(.glightbox-mobile) div.gslide-description .gslide-desc {
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color: var(--quarto-body-color);
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background-color: var(--quarto-body-bg);
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}

‎_extensions/quarto-ext/lightbox/lightbox.lua‎

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-- whether we're automatically lightboxing
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local auto = false
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-- whether we need lightbox dependencies added
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local needsLightbox = false
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-- a counter used to ensure each image is in its own gallery
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local imgCount = 0
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-- attributes to forward from the image to the newly created link
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local kDescription = "description"
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local kForwardedAttr = {
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"title", kDescription, "desc-position",
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"type", "effect", "zoomable", "draggable"
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}
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local kLightboxClass = "lightbox"
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local kNoLightboxClass = "nolightbox"
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local kGalleryPrefix = "quarto-lightbox-gallery-"
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-- A list of images already within links that we can use to filter
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local imagesWithinLinks = pandoc.List({})
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local function readAttrValue(el, attrName)
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if attrName == kDescription then
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local doc = pandoc.read(el.attr.attributes[attrName])
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local attrInlines = doc.blocks[1].content
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return pandoc.write(pandoc.Pandoc(attrInlines), "html")
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else
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return el[attrName]
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end
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end
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return {
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{
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Meta = function(meta)
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-- If the mode is auto, we need go ahead and
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-- run if there are any images (ideally we would)
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-- filter to images in the body, but that can be
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-- left for future me to deal with
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-- supports:
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-- lightbox: auto
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-- or
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-- lightbox:
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-- match: auto
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local lbMeta = meta.lightbox
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if lbMeta ~= nil and type(lbMeta) == 'table' then
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if lbMeta[1] ~= nil then
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if lbMeta[1]['text'] == "auto" then
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auto = true
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end
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elseif lbMeta.match ~= nil and pandoc.utils.stringify(lbMeta.match) == 'auto' then
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auto = true
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elseif lbMeta == true then
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auto = true
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end
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end
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end,
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-- Find images that are already within links
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-- we'll use this to filter out these images if
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-- the most is auto
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Link = function(linkEl)
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pandoc.walk_inline(linkEl, {
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Image = function(imageEl)
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imagesWithinLinks[#imagesWithinLinks + 1] = imageEl
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end
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})
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end
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},{
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Div = function(div)
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if div.classes:includes("cell") and div.attributes["lightbox"] ~= nil then
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meta = quarto.json.decode(div.attributes["lightbox"])
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local imgCount=0
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div = div:walk({
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Image = function(imgEl)
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imgCount = imgCount + 1
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if (type(meta) == "table" and meta[kNoLightboxClass] == true) or meta == false then
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imgEl.classes:insert(kNoLightboxClass)
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else
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if not auto and ((type(meta) == "table" and not meta[kNoLightboxClass]) or meta == true) then
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imgEl.classes:insert(kLightboxClass)
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end
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if (type(meta) == "table") then
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if meta.group then
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imgEl.attr.attributes.group = meta.group or imgEl.attr.attributes.group
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end
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for _, v in next, kForwardedAttr do
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if type(meta[v]) == "table" and #meta[v] > 1 then
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-- if list attributes it should be one per plot
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if imgCount > #meta[v] then
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quarto.log.warning("More plots than '" .. v .. "' passed in YAML chunk options.")
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else
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attrLb = meta[v][imgCount]
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end
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else
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-- Otherwise reuse the single attributes
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attrLb = meta[v]
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end
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imgEl.attr.attributes[v] = attrLb or imgEl.attr.attributes[v]
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end
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end
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end
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return imgEl
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end
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})
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div.attributes["lightbox"] = nil
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end
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return div
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end
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},
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{
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Image = function(imgEl)
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if quarto.doc.is_format("html:js") then
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local isAlreadyLinked = imagesWithinLinks:includes(imgEl)
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if (not isAlreadyLinked and auto and not imgEl.classes:includes(kNoLightboxClass))
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or imgEl.classes:includes('lightbox') then
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-- note that we need to include the dependency for lightbox
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needsLightbox = true
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imgCount = imgCount + 1
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-- remove the class from the image
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imgEl.attr.classes = imgEl.attr.classes:filter(function(clz)
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return clz ~= kLightboxClass
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end)
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-- attributes for the link
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local linkAttributes = {}
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-- mark this image as a lightbox target
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linkAttributes.class = kLightboxClass
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-- get the alt text from image and use that as title
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local title = nil
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if imgEl.caption ~= nil and #imgEl.caption > 0 then
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linkAttributes.title = pandoc.utils.stringify(imgEl.caption)
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elseif imgEl.attributes['fig-alt'] ~= nil and #imgEl.attributes['fig-alt'] > 0 then
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linkAttributes.title = pandoc.utils.stringify(imgEl.attributes['fig-alt'])
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end
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-- move a group attribute to the link, if present
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if imgEl.attr.attributes.group ~= nil then
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linkAttributes.gallery = imgEl.attr.attributes.group
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imgEl.attr.attributes.group = nil
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else
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linkAttributes.gallery = kGalleryPrefix .. imgCount
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end
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-- forward any other known attributes
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for i, v in ipairs(kForwardedAttr) do
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if imgEl.attr.attributes[v] ~= nil then
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-- forward the attribute
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linkAttributes[v] = readAttrValue(imgEl, v)
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-- clear the attribute
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imgEl.attr.attributes[v] = nil
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end
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-- clear the title
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if (imgEl.title == 'fig:') then
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imgEl.title = ""
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end
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end
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-- wrap decorated images in a link with appropriate attrs
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local link = pandoc.Link({imgEl}, imgEl.src, nil, linkAttributes)
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return link
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end
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end
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end,
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Meta = function(meta)
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-- If we discovered lightbox-able images
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-- we need to include the dependencies
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if needsLightbox then
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-- add the dependency
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quarto.doc.add_html_dependency({
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name = 'glightbox',
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scripts = {'resources/js/glightbox.min.js'},
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stylesheets = {'resources/css/glightbox.min.css', 'lightbox.css'}
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})
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-- read lightbox options
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local lbMeta = meta.lightbox
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local lbOptions = {}
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local readEffect = function(el)
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local val = pandoc.utils.stringify(el)
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if val == "fade" or val == "zoom" or val == "none" then
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return val
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else
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error("Invalid effect " + val)
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end
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end
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-- permitted options include:
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-- lightbox:
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-- effect: zoom | fade | none
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-- desc-position: top | bottom | left |right
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-- loop: true | false
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-- class: <class-name>
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local effect = "zoom"
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local descPosition = "bottom"
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local loop = true
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local skin = nil
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-- The selector controls which elements are targeted.
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-- currently, it always targets .lightbox elements
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-- and there is no way for the user to change this
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local selector = "." .. kLightboxClass
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if lbMeta ~= nil and type(lbMeta) == 'table' then
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if lbMeta.effect ~= nil then
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effect = readEffect(lbMeta.effect)
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end
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if lbMeta['desc-position'] ~= nil then
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descPosition = pandoc.utils.stringify(lbMeta['desc-position'])
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end
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if lbMeta['css-class'] ~= nil then
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skin = pandoc.utils.stringify(lbMeta['css-class'])
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end
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if lbMeta.loop ~= nil then
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loop = lbMeta.loop
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end
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end
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-- Generate the options to configure lightbox
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local options = {
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selector = selector,
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closeEffect = effect,
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openEffect = effect,
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descPosition = descPosition,
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loop = loop,
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}
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if skin ~= nil then
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options.skin = skin
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end
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local optionsJson = quarto.json.encode(options)
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-- generate the initialization script with the correct options
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local scriptTag = "<script>var lightboxQuarto = GLightbox(" .. optionsJson .. ");</script>"
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-- inject the rendering code
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quarto.doc.include_text("after-body", scriptTag)
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end
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end
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}}

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