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extended_toc.jl
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### A Pluto.jl notebook ###
# v0.19.22
#> custom_attrs = ["enable_hidden", "hide-enabled"]
using Markdown
using InteractiveUtils
# ╔═╡ 464fc674-5ed7-11ed-0aff-939456ebc5a8
begin
using HypertextLiteral
using PlutoUI
using PlutoDevMacros.Script
end
# ╔═╡ 46520c1a-bbd8-46aa-95d9-bad3d220ee85
# ╠═╡ custom_attrs = ["gesu", "toc-collapsed"]
md"""
# Scripts
"""
# ╔═╡ 5795b550-5799-4b62-bc25-bc36f3802a8d
md"""
## smoothScroll
The cell below is hidden by default as it has a minified script that is a bit long
"""
# ╔═╡ 052e26d7-8bed-46fe-8b5b-a879e76714cb
# The function here is taken from https://github.com/LieutenantPeacock/SmoothScroll due to some problems on chromium with the standard scrollIntoView. We put it directly here instead of loading it to make it work also offline.
_smoothScroll(enable) = !enable ? HTLScript("") : HTLScript(@htl("""
<script>
!function(t){var e,n=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(e){t.setTimeout(e,1e3/60)},o=[],r=document.getElementsByTagName("html")[0];function i(n){var o=n.getBoundingClientRect(),i=t.pageYOffset||r.scrollTop||e.scrollTop,l=t.pageXOffset||r.scrollLeft||e.scrollLeft,s=r.clientTop||e.clientTop||0,a=r.clientLeft||e.clientLeft||0;return{top:o.top+i-s,left:o.left+l-a}}function l(t){return/Element/.test({}.toString.call(t))}function s(t,e,n){var o;if("number"==typeof t)return t;switch(t){case"start":o=0;break;case"end":o=n+10;break;case"center":o=n/2;break;default:var r,i=t.split("+"),l=t.split("-");if(t.indexOf("+")>0)throw new Error("Position can only contain a + sign at the start");if(t.indexOf("-")>0)throw new Error("Position can only contain a - sign at the start");if(t.indexOf("+")>-1&&t.indexOf("-")>-1)throw new Error("Position cannot contain both + and - signs.");if(t.indexOf("%")>-1&&t.indexOf("%")!==t.length-1)throw new Error("Position can only contain a % symbol at the end.");o=i[1]?(r=i[1]).indexOf("%")>-1?e+n*(r=r.split("%")[0])/100:e+ +r:l[1]?(r=l[1]).indexOf("%")>-1?e-n*(r=r.split("%")[0])/100:e-+r:t.indexOf("%")>-1?n*(r=t.split("%")[0])/100:+t}return o}function a(t,e,n){t.addEventListener?t.addEventListener(e,n,!1):t.attachEvent&&t.attachEvent("on"+e,n)}function c(t,e,n){t.removeEventListener?t.removeEventListener(e,n,!1):t.detachEvent&&t.detachEvent("on"+e,n)}var u={duration:500,preventUserScroll:!0,scrollEvents:["scroll","mousedown","wheel","DOMMouseScroll","mousewheel","touchmove"],scrollKeys:[37,38,39,40,32],allowAnimationOverlap:!1,easing:"linear"};function f(){for(var t=0;t<arguments.length;t++)if(null!=arguments[t])return arguments[t]}function d(t,e,n,o){if("string"!=typeof t)throw new Error("Block and inline values must be strings");function r(t){return e-(n-o)*t}switch(t){case"start":return e;case"center":return r(.5);case"end":return r(1);default:if(t.indexOf("%")>-1&&t.split("%").length<3)return r(+t.split("%")[0]/100);throw new Error("Invalid block or inline string value")}}function h(e,n){if(t.getComputedStyle){var o=getComputedStyle(e,null);if(o.getPropertyValue)return o.getPropertyValue(n);if(o.getAttribute)return o.getAttribute(n);if(o[n])return o[n]}else if(e.currentStyle)return e.currentStyle[n]}function m(e){return e?{x:e.scrollLeft,y:e.scrollTop}:{x:void 0!==t.pageXOffset?t.pageXOffset:(document.documentElement||document.body.parentNode||document.body).scrollLeft,y:void 0!==t.pageYOffset?t.pageYOffset:(document.documentElement||document.body.parentNode||document.body).scrollTop}}function p(t,e,n){return t>e?e-(e-t)*n:(t-e)*n+e}function g(t){for(var e=o.length,n=e-1;n>=0;n--)if(t){var r=o[n];t(r)&&r.destroy(!0)}else o[n].destroy(!0);return!!e}t.smoothScroll=function v(w){if(e||(e=document.getElementsByTagName("body")[0]),w=w||{},this instanceof v)return{smoothScroll:function(e){e=e||{};for(var n=0;n<b.length;n++){var o=b[n];o in e||(e[o]=w[o])}t.smoothScroll(e)}};var y,E,x,M=f(w.yPos,u.yPos),O=+f(w.duration,u.duration),S=f(w.xPos,u.xPos),P=m(),T=P.x,L=P.y,A=Math.max(e.scrollHeight,e.offsetHeight,r.clientHeight,r.scrollHeight,r.offsetHeight),k=Math.max(r.clientWidth,e.scrollWidth,r.scrollWidth,e.offsetWidth,r.offsetWidth),I=A-t.innerHeight,H=k-t.innerWidth,N=f(w.complete,u.complete),W=f(w.scrollingElement,u.scrollingElement),B=f(w.toElement,u.toElement),q=f(w.firstAxis,u.firstAxis),C=f(w.preventUserScroll,u.preventUserScroll),F=f(w.easing,u.easing),R=f(w.block,u.block),K=f(w.inline,u.inline),U=t.innerHeight,X=t.innerWidth,Y=0,Q=f(w.scrollEvents,u.scrollEvents),D=f(w.scrollKeys,u.scrollKeys),V=f(w.paddingTop,u.paddingTop),z=f(w.paddingLeft,u.paddingLeft);if("string"==typeof F){var j=F;if(!(F=v.easing[F]))throw new Error("Easing function "+j+" does not exist.")}else if("function"!=typeof F)throw new Error("Easing must be the name of an easing function or an easing function");if(W){if(!l(W))throw new Error("Scrolling element must be a HTML element");W!=e&&W!=r?(A=W.scrollHeight,k=W.scrollWidth,I=A-W.clientHeight,H=k-W.clientWidth,T=W.scrollLeft,L=W.scrollTop,U=parseInt(h(W,"height"),10),X=parseInt(h(W,"width"),10),y=function(t,e){W.scrollTop=e,W.scrollLeft=t}):(W=void 0,y=t.scrollTo)}else y=t.scrollTo;if(M=null!=M?s(M,L,I):L,S=null!=S?s(S,T,H):T,isNaN(M))throw new Error("Invalid yPos");if(isNaN(S))throw new Error("Invalid xPos");if(isNaN(O))throw new Error("Invalid duration");if(O=Math.max(O,0),S=Math.max(S,0),M=Math.max(M,0),B){if(!l(B))throw new Error("Element to scroll to must be a HTML element");var G=i(B);if(W){var J=i(W);M=W.scrollTop+(G.top-J.top)-parseInt(h(W,"border-top-width"),10),S=W.scrollLeft+(G.left-J.left)-parseInt(h(W,"border-left-width"),10)}else M=G.top,S=G.left;null!=R&&(M=d(R,M,U,B.offsetHeight)),null!=K&&(S=d(K,S,X,B.offsetWidth))}if(null!=V&&(M+=V),null!=z&&(S+=z),M=Math.min(Math.round(M),A),(S=Math.min(Math.round(S),k))!==T||M!==L){if(S!==T&&M!==L||(q=null),null!=q&&(O/=2),!C){for(var Z=0;Z<Q.length;Z++){var \$=Q[Z];W?a(W,\$,_):(a(e,\$,_),a(r,\$,_))}a(W||document,"keydown",tt)}return x=function(t,e,r,i){r&&g(function(t){return t.scrollingElem==i});var l,s=!1,a=function(){s||(t(),n(a))},c=function(t){if(!s){s=!0;var n=function(t){for(var e=0;e<o.length;e++)if(o[e].destroy===t)return e}(c);null!=n&&o.splice(n,1),t&&e(!1,!0)}};return l={destroy:c,scrollingElem:i},o.push(l),n(a),{destroy:function(){c()}}}(function(){var e=t.performance&&performance.now?performance.now():+new Date;E||(E=e);var n=e-E;if(y("y"!=q?p(S,T,F(n/O)):T,"x"!=q?p(M,L,F(n/O)):L),n>=O)if(y("y"!=q?S:T,"x"!=q?M:L),null!=q&&++Y<2){switch(q){case"x":q="y",T=S;break;case"y":q="x",L=M}E=null}else nt(!1,!1)},nt,!f(w.allowAnimationOverlap,u.allowAnimationOverlap),W)}function _(){et(),nt(!0,!1)}function tt(t){D.indexOf(t.keyCode)>-1&&(et(),nt(!0,!1))}function et(){for(var t=0;t<Q.length;t++){var n=Q[t];W?c(W,n,_):(c(e,n,_),c(r,n,_))}c(W||document,"keydown",tt)}function nt(t,e){var n=m(W);x.destroy(),C||et(),N&&N({xPos:S,yPos:M,scrollingElement:W,duration:O,currentXPos:n.x,currentYPos:n.y,interrupted:t,canceled:e})}},smoothScroll.stopAll=function(){return g()},smoothScroll.easing={linear:function(t){return t},swing:function(t){return.5-Math.cos(t*Math.PI)/2}};for(var v={Sine:function(t){return 1-Math.cos(t*Math.PI/2)},Circ:function(t){return 1-Math.sqrt(1-t*t)},Elastic:function(t){return 0===t||1===t?t:-Math.pow(2,8*(t-1))*Math.sin((80*(t-1)-7.5)*Math.PI/15)},Back:function(t){return t*t*(3*t-2)},Bounce:function(t){for(var e,n=4;t<((e=Math.pow(2,--n))-1)/11;);return 1/Math.pow(4,3-n)-7.5625*Math.pow((3*e-2)/22-t,2)}},w=["Quad","Cubic","Quart","Quint","Expo"],y=0;y<w.length;y++)v[w[y]]=function(t){return Math.pow(t,y+2)};for(var E in v)if(null!=E&&null!=v[E]){var x=v[E];smoothScroll.easing["easeIn"+E]=x,smoothScroll.easing["easeOut"+E]=function(t){return 1-x(1-t)},smoothScroll.easing["easeInOut"+E]=function(t){return t<.5?x(2*t)/2:1-x(-2*t+2)/2}}smoothScroll.scrolling=function(){return!!o.length};var b=["xPos","yPos","duration","scrollingElement","toElement","preventUserScroll","easing","complete","firstAxis","scrollEvents","scrollKeys","block","inline","allowAnimationOverlap","paddingTop","paddingLeft"];smoothScroll.defaults=function(t){if(null!=t)for(var e=0;e<b.length;e++){var n=b[e];null!=t[n]&&(u[n]=t[n])}return u},smoothScroll.nativeSupported="scrollBehavior"in r.style}(window);
</script>
"""));
# ╔═╡ aa74f780-96c5-4b91-9658-a34c8c3fcab9
md"""
## Basics
"""
# ╔═╡ a777b426-42e9-4c91-aebd-506388449042
_basics = HTLScript(
@htl("""
<script>
let cell = currentScript.closest('pluto-cell')
let pluto_actions = cell._internal_pluto_actions
let toc = document.querySelector('nav.plutoui-toc')
function getRow(el) {
const row = el?.closest('.toc-row')
return row
}
function get_link_id(el) {
const row = getRow(el)
if (_.isNil(row)) { return null }
const a = row.querySelector('a')
return a.href.slice(-36) // extract the last 36 characters, corresponding to the cell id
}
function getHeadingLevel(row) {
const a = row.querySelector('a')
// We return the link class without the first H
return Number(a.classList[0].slice(1))
}
function generateChecker(selector) {
switch (typeof selector) {
case 'string':
const func = el => {
return el.matches(selector)
}
return func
case 'function':
return selector
default:
console.error(`The type (\${typeof selector}) of the provided argument is not valid`)
}
}
// Get next and previous sibling, adapted from:
// https://gomakethings.com/finding-the-next-and-previous-sibling-elements-that-match-a-selector-with-vanilla-js/
var getNextSibling = function (elem, selector) {
// Added to return undefined is called with undefined
if (_.isNil(elem)) {return undefined}
// Get the next sibling element
var sibling = elem.nextElementSibling;
// If there's no selector, return the first sibling
if (!selector) return sibling;
const checker = generateChecker(selector)
// If the sibling matches our selector, use it
// If not, jump to the next sibling and continue the loop
while (sibling) {
if (checker(sibling)) return sibling;
sibling = sibling.nextElementSibling
}
};
var getPreviousSibling = function (elem, selector) {
// Added to return undefined is called with undefined
if (_.isNil(elem)) {return undefined}
// Get the next sibling element
var sibling = elem.previousElementSibling;
// If there's no selector, return the first sibling
if (!selector) return sibling;
const checker = generateChecker(selector)
// If the sibling matches our selector, use it
// If not, jump to the next sibling and continue the loop
while (sibling) {
if (checker(sibling)) return sibling;
sibling = sibling.previousElementSibling;
}
};
// Get the last toc entry descendant from the provided one
function getLastDescendant(el) {
const row = getRow(el)
if (_.isNil(row)) {return}
const children = row.directChildren
if (_.isEmpty(children)) {
return row
} else {
return getLastDescendant(_.last(children))
}
}
// Find all the cell ids contained within the target toc rows and all its descendants
function getBlockIds(el) {
const row = getRow(el)
if (_.isNil(row)) {return}
function getIndex(row) {
return editor_state.notebook.cell_order.indexOf(get_link_id(row))
}
const start = getIndex(row)
const lastChild = getLastDescendant(row)
const end = getIndex(getNextSibling(lastChild, '.toc-row'))
return editor_state.notebook.cell_order.slice(start, end < 0 ? Infinity : end)
}
window.toc_utils = {
getNextSibling,
getPreviousSibling,
getLastDescendant,
getBlockIds,
}
// Functions to set and propagate hidden and collapsed states
function propagate_parent(div, parent=null) {
if (parent != null) {
div.allParents = _.union(div.allParents, [parent])
}
if (_.isEmpty(div.directChildren)) {return}
for (const child of div.directChildren) {
propagate_parent(child, parent ?? div)
}
}
// Returns true if the current hidden/collapsed toc state is different from the one saved in the file within cell metadata
function stateDiffersFile(state) {
for (const [id, st] of _.entries(state)) {
if (has_cell_attribute(id, 'toc-hidden') != st.hidden) { return true }
if (has_cell_attribute(id, 'toc-collapsed') != st.collapsed) { return true }
}
return false
}
function set_state(div, state, value, init = false) {
div.classList.toggle(state, value)
if (!init) {
window.toc_state[get_link_id(div)][state] = value
toc.classList.toggle('file-state-differs', stateDiffersFile(window.toc_state))
}
if (_.isEmpty(div.directChildren)) {return}
for (const child of div.directChildren) {
propagate_state(child, state)
}
}
function propagate_state(div, state) {
let new_state = `parent-\${state}`
div.classList.toggle(new_state, false)
// Check the parents for the state
for (const parent of div.allParents) {
if (parent.classList.contains(state)) {
div.classList.toggle(new_state, true)
break
}
}
if (_.isEmpty(div.directChildren)) {return}
for (const child of div.directChildren) {
propagate_state(child, state)
}
}
</script>
""")
);
# ╔═╡ 6e2397db-6f95-44ed-b874-bb0e6c853169
md"""
## floating-ui library
"""
# ╔═╡ 3c27af28-4fee-4b74-ad10-f57c11237dbb
_floating_ui = HTLScript(@htl("""
<script>
const floating_ui = await import('https://esm.sh/@floating-ui/dom')
// window.floating_ui = floating_ui
</script>
"""));
# ╔═╡ e9413fd1-d43c-4288-bcfa-850c30cc9513
md"""
## modify\_cell_attributes
"""
# ╔═╡ c1fa9fa5-b35e-43c5-bd32-ebca9cb01848
_modify_cell_attributes = HTLScript(@htl("""
<script>
function has_cell_attribute(cell_id, attr) {
const md = editor_state.notebook.cell_inputs[cell_id].metadata
return _.includes(md["custom_attrs"], attr)
}
function add_cell_attributes(cell_id, attrs) {
pluto_actions.update_notebook((notebook) => {
let md = notebook.cell_inputs[cell_id].metadata
md["custom_attrs"] = _.union(md["custom_attrs"], attrs)
})
let cell = document.getElementById(cell_id)
for (let attr of attrs) {
cell.toggleAttribute(attr, true)
}
}
function remove_cell_attributes(cell_id, attrs) {
pluto_actions.update_notebook((notebook) => {
let md = notebook.cell_inputs[cell_id].metadata
let after = _.difference(md["custom_attrs"], attrs)
if (_.isEmpty(after)) {
delete md["custom_attrs"]
} else {
md["custom_attrs"] = after
}
})
let cell = document.getElementById(cell_id)
for (let attr of attrs) {
cell.toggleAttribute(attr, false)
}
}
function toggle_cell_attribute(cell_id, attr, force='toggle') {
pluto_actions.update_notebook((notebook) => {
let md = notebook.cell_inputs[cell_id].metadata
let f = force == 'toggle' ? _.xor : force ? _.union : _.difference
let after = f(md["custom_attrs"], [attr])
if (_.isEmpty(after)) {
delete md["custom_attrs"]
} else {
md["custom_attrs"] = after
}
})
let cell = document.getElementById(cell_id)
force == 'toggle' ? cell.toggleAttribute(attr) : cell.toggleAttribute(attr, force)
}
</script>
"""));
# ╔═╡ e9668acb-451d-4d16-b9cb-cf0ddcd6a681
md"""
## modify\_notebook\_attributes
"""
# ╔═╡ d65daa79-cb1d-4425-9693-b737d43e9981
_modify_notebook_attributes = HTLScript(@htl("""
<script>
function add_notebook_attributes(attrs) {
pluto_actions.update_notebook((notebook) => {
let md = notebook.metadata
md["custom_attrs"] = _.union(md["custom_attrs"], attrs)
})
let notebook = document.querySelector('pluto-notebook')
for (let attr of attrs) {
notebook.toggleAttribute(attr, true)
}
}
function remove_notebook_attributes(attrs) {
pluto_actions.update_notebook((notebook) => {
let md = notebook.metadata
let after = _.difference(md["custom_attrs"], attrs)
if (_.isEmpty(after)) {
delete md["custom_attrs"]
} else {
md["custom_attrs"] = after
}
})
let notebook = document.querySelector('pluto-notebook')
for (let attr of attrs) {
notebook.toggleAttribute(attr, false)
}
}
function toggle_notebook_attribute(attr, force='toggle') {
pluto_actions.update_notebook((notebook) => {
let md = notebook.metadata
let f = force == 'toggle' ? _.xor : force ? _.union : _.difference
let after = f(md["custom_attrs"], [attr])
if (_.isEmpty(after)) {
delete md["custom_attrs"]
} else {
md["custom_attrs"] = after
}
})
let notebook = document.querySelector('pluto-notebook')
force == 'toggle' ? notebook.toggleAttribute(attr) : notebook.toggleAttribute(attr, force)
}
if (force_hide_enabled) {
toggle_notebook_attribute('hide-enabled',true)
}
</script>
"""));
# ╔═╡ 123da4b2-710e-4962-b255-80fb33894b79
md"""
## hide\_cell\_blocks
"""
# ╔═╡ 904a2b12-6ffa-4cf3-95cf-002cf2673099
_hide_cell_blocks = HTLScript(@htl("""
<script>
// For each from and to, we have to specify `pluto-cell[id]` in the part before the comm and just `[id]` in the part after the comma to ensure the specificity of the two comma-separated selectors is the same (the part after the comma has the addition of `~ pluto-cell`, so it has inherently +1 element specificity)
function hide_from_to_string(from_id, to_id) {
if (_.isEmpty(from_id) && _.isEmpty(to_id)) {return ''}
const from_preselector = _.isEmpty(from_id) ? '' : `pluto-cell[id='\${from_id}'], pluto-notebook[hide-enabled] [id='\${from_id}'] ~ `
const to_style = _.isEmpty(to_id) ? '' : `pluto-notebook[hide-enabled] pluto-cell[id='\${to_id}'], pluto-notebook[hide-enabled] [id='\${to_id}'] ~ pluto-cell {
display: block;
}
`
const style_string = `pluto-notebook[hide-enabled] \${from_preselector}pluto-cell {
display: none;
}
\${to_style}
`
return style_string
//return html`<style>\${style_string}</style>`
}
function hide_from_to_list_string(vector) {
let out = ``
for (const lims of vector) {
const from = lims[0]
const to = lims[1]
out = `\${out}\t\${hide_from_to_string(from,to)}`
}
out = `\${out}\tpluto-cell[always-show] {
display: block !important;
}
`
return out
}
function hide_from_to_list(vector) {
const str = hide_from_to_list_string(vector)
return html`<style>\${str}</style>`
}
function hide_list_style(vector) {
let style = document.getElementById('hide-cells-style')
if (style == null) {
style = document.head.appendChild(html`<style id='hide-cells-style'></style>`)
}
style.innerHTML = hide_from_to_list_string(vector)
}
</script>
"""));
# ╔═╡ 60075509-fbdb-48c8-8e63-69f6fd5218b5
md"""
## mutation\_observer
"""
# ╔═╡ 702d5075-baad-4c11-a732-d062213e00e4
_mutation_observer = HTLScript(@htl("""
<script>
function toggle_state(name) {
return (e) => {
e.preventDefault()
e.stopPropagation()
let div = e.target.closest('div')
const new_val = !div.classList.contains(name)
set_state(div, name, new_val)
}
}
function update_hidden(e) {
let new_hide = []
if (hide_preamble) {
new_hide.push(['', get_link_id(toc.querySelector('div.toc-row'))])
}
let tracking_hidden = null
let divs = toc.querySelectorAll('div.toc-row')
for (const div of divs) {
if (tracking_hidden != null) {
const hidden = div.classList.contains('hidden') || div.classList.contains('parent-hidden')
if (!hidden) {
new_hide.push([tracking_hidden, get_link_id(div)])
tracking_hidden = null
}
} else {
const hidden = div.classList.contains('hidden')
if (hidden) {
tracking_hidden = get_link_id(div)
}
}
}
if (tracking_hidden != null) {
new_hide.push([tracking_hidden, ""])
}
hide_list_style(new_hide)
}
// Reposition the hide_container using the floating-ui library
function repositionTooltip(e) {
const { computePosition } = floating_ui
const ref = e.target
const tooltip = ref.querySelector('.toc-hide-container')
if (_.isNil(tooltip)) {
console.warn("Something went wrong, no tooltip found")
return
}
computePosition(ref, tooltip, {
placement: "left",
strategy: "fixed",
}).then(pos => {
tooltip.style.top = pos.y + "px"
})
}
function process_row(div, history, old_state, new_state) {
// We add the separator
div.insertAdjacentElement('beforebegin', html`<div class='toc-row-separator'></div>`)
// If we are just processing the first element (so the last row) we also add a separator at the bottom
if (_.isEmpty(new_state) && _.every(history, _.isEmpty)) {
div.insertAdjacentElement('afterend', html`<div class='toc-row-separator'></div>`)
}
// We add the reposition event to the row
div.addEventListener('mouseenter', repositionTooltip)
let id = get_link_id(div)
const a = div.querySelector('a')
if (use_smoothscroll) {
const this_cell = document.getElementById(id)
a.onclick = (e) => {
// We avoid triggering the click if coming out of a drag
e.preventDefault()
if (toc.classList.contains('recent-drag')) { return }
smoothScroll({toElement: this_cell, block: 'start'})
}
} else {
let old_f = a.onclick;
a.onclick = (e) => {
e.preventDefault()
// We avoid triggering the click if coming out of a drag
if (toc.classList.contains('recent-drag')) { return }
old_f(e)
}
}
const level = getHeadingLevel(div)
if (level > 1) {
history[level].unshift(div)
}
// We iterate through the history and assign the direct children if they exist, while clearing lower levels history
for (let i = 6; i > level; i--) {
if (_.isEmpty(history[i])) {continue}
if (div.directChildren != undefined) {throw('multiple level with children, unexpected!')}
div.directChildren = history[i]
history[i] = [] // empty array
}
const collapse_span = a.insertAdjacentElement('afterbegin', html`<span class='toc-icon toc-collapse'>`)
let hide_style = `--height: \${a.clientHeight}px`
const hide_container = div.insertAdjacentElement('afterbegin', html`<span class='toc-hide-container' style='\${hide_style}'>`)
const hide_span = hide_container.insertAdjacentElement('afterbegin', html`<span class='toc-icon toc-hide'>`)
hide_span.addEventListener('click', (e) => {
toggle_state('hidden')(e)
update_hidden(e)
})
if (div.directChildren == undefined) {
collapse_span.classList.toggle('no-children', true)
} else {
propagate_parent(div)
collapse_span.addEventListener('click', toggle_state('collapsed'))
}
let md = editor_state.notebook.cell_inputs[id].metadata
let collapsed = old_state[id]?.collapsed ?? _.includes(md['custom_attrs'], 'toc-collapsed')
let hidden = old_state[id]?.hidden ?? _.includes(md['custom_attrs'], 'toc-hidden')
set_state(div, 'collapsed', collapsed, true)
set_state(div, 'hidden', hidden, true)
new_state[id] = { collapsed, hidden }
}
const observer = new MutationObserver(() => {
const rows = toc.querySelectorAll('section div.toc-row')
let old_state = window.toc_state ?? {}
let new_state = {}
let history = {
2: [],
3: [],
4: [],
5: [],
6: [],
}
for (const row of [...rows].reverse()) {
process_row(row, history, old_state, new_state)
}
window.toc_state = new_state
toc.classList.toggle('file-state-differs', stateDiffersFile(new_state))
update_hidden()
})
observer.observe(toc, {childList: true})
</script>
"""),
"observer.disconnect()"
);
# ╔═╡ a271f2cd-b941-46af-888d-3274d21b3703
md"""
## move\_entries\_handler
"""
# ╔═╡ 5f60d643-d79c-4081-a31e-603e062e544f
_move_entries_handler = HTLScript(@htl("""
<script>
const { default: interact } = await import('https://esm.sh/interactjs')
// We have to enable dynamicDrop to have dropzone recomputed on dragmove
interact.dynamicDrop(true)
function dragEnabler(e) {
if (!toc.classList.contains('drag_enabled') || e.key !== 'Shift') { return true }
switch (e.type) {
case "keydown":
toc.classList.add('allow_all_drop')
break;
case "keyup":
toc.classList.remove('allow_all_drop')
break;
}
updateActiveSeparator()
}
const window_events = {
keydown: dragEnabler,
keyup: dragEnabler,
}
addScriptEventListeners(window, window_events)
// Interact.js part
let activeDrop = undefined
function tagAdjacentSeparators(el, active) {
const next = getNextSibling(el, '.toc-row-separator')
const prev = getPreviousSibling(el, '.toc-row-separator')
if (active) {
next?.classList.add('noshow')
prev?.classList.add('noshow')
} else {
next?.classList.remove('noshow')
prev?.classList.remove('noshow')
}
}
function getSeparator(startElement, below, allowAll, headingLevel = 8) {
let separator
if (below) {
const selector = '.toc-row:not(.parent-collapsed)'
const checkerFunc = allowAll ? generateChecker(selector) : (el) => {
if (!el.matches(selector)) { return false }
// Check for the right heading level
for (let i = headingLevel; i > 0; i--) {
const cl = "H" + i
if (el.classList.contains(cl)) { return true }
}
return false
}
const validRow = getNextSibling(startElement, checkerFunc)
// If the activeDrop is the last row or the the last non-collapsed one, the validRow will be `undefined`, so in that case we take the last separator
separator = getPreviousSibling(validRow, '.toc-row-separator') ?? _.last(toc.querySelectorAll('.toc-row-separator'))
} else {
separator = getPreviousSibling(startElement, '.toc-row-separator')
}
return separator
}
function getHigherParent(row, level) {
const currentLevel = getHeadingLevel(row)
if (currentLevel <= level) {return row}
for (const par of row.allParents) {
// Parents cycle from higher level to lower levels
if (getHeadingLevel(par) <= level) {return par}
}
return row
}
let uncollapsed = []
function reCollapse(row) {
const parents = row?.allParents ?? []
const toRemove = _.difference(uncollapsed, [...parents, row])
for (const el of toRemove) {
// debugger
set_state(el, "collapsed", true)
_.remove(uncollapsed, x => x === el)
}
}
function updateDropZone(row) {
const prev = toc.querySelector('.toc-row.active_drop')
if (_.isNil(row) || prev === row) {return}
if (prev?.timeoutId) {
clearTimeout(prev.timeoutId)
prev.timeoutId = undefined
}
prev?.classList.remove('active_drop')
row.classList.add('active_drop')
reCollapse(row)
if (row.classList.contains('collapsed')) {
row.timeoutId = setTimeout(() => {
uncollapsed.push(row)
set_state(row, "collapsed", false)
updateActiveSeparator()
}, 500)
}
activeDrop = row
}
function updateActiveSeparator() {
const e = toc.lastDragEvent
if (_.isNil(e)) { return }
const elBelow = document.elementFromPoint(e.client.x, e.client.y)
if (!elBelow.matches('.plutoui-toc :scope')) {
// We are out of the ToC, recollapse and remove active separator
reCollapse(undefined)
toc.querySelector('.toc-row-separator.active')?.classList.remove('active')
return
}
const rowBelow = getRow(elBelow)
updateDropZone(rowBelow)
if (_.isNil(activeDrop)) {return}
const allowAll = toc.classList.contains('allow_all_drop')
const headingLevel = getHeadingLevel(toc.draggedElement)
const { y, height } = activeDrop.getBoundingClientRect()
let thresholdY = y + height/2
if (!allowAll) {
// We only allow putting the dragged element above/below rows with equal or higher heading level
const currentHeadingLevel = getHeadingLevel(activeDrop)
if (currentHeadingLevel > headingLevel) {
// We update the threshold based on the relevant parent
const par = getHigherParent(activeDrop, headingLevel)
const { y, height } = par.getBoundingClientRect()
thresholdY = y + height/2
}
}
// Check if the current position of the mouse is below or above the middle of the active drop zone
const isBelow = e.client.y > thresholdY
const newSep = getSeparator(activeDrop, isBelow, allowAll, headingLevel)
const currentSep = toc.querySelector('.toc-row-separator.active') ?? newSep
if (currentSep !== newSep) {
currentSep.classList.remove('active')
}
newSep.classList.add('active')
}
const dragHandles = interact('.toc-row').draggable({
cursorChecker (action, interactable, element, interacting) {
// console.log({action, interactable, element, interacting})
return null
},
manualStart: true, // needed for consistent start after hold
listeners: {
start: function (e) {
toc.classList.add('drag_enabled')
const row = e.target
// console.log('start: ', e)
toc.lastDragEvent = e
row.classList.add('dragged')
toc.draggedElement = row
tagAdjacentSeparators(row, true)
},
move: function (e) {
toc.lastDragEvent = e
updateActiveSeparator()
},
// move: function (e) {console.log('move: ',e)},
end: function (e) {
activeDrop = undefined
e.preventDefault()
toc.lastDragEvent = e
// console.log('end: ', e)
const row = e.target
// Cleanup
row.classList.remove('dragged')
toc.classList.remove('drag_enabled')
for (const el of toc.querySelectorAll('.active_drop')) {
el.classList.remove('active_drop')
}
reCollapse()
tagAdjacentSeparators(row, false)
toc.classList.remove('allow_all_drop')
// We temporary set the recentDrag flag
toc.classList.add('recent-drag')
setTimeout(() => {
toc.classList.remove('recent-drag')
}, 300)
// Check if there is an active dropzone
const dropZone = toc.querySelector('.toc-row-separator.active')
if (_.isNil(dropZone) || dropZone.classList.contains('noshow')) {return}
dropZone.classList.remove('active')
// We find the cell after the active separator and move the dragged row before that
const rowAfter = getNextSibling(dropZone)
const cellIdsToMove = getBlockIds(row)
// Find the index of the cell that will stay after our moved block
const end = editor_state.notebook.cell_order.indexOf(get_link_id(rowAfter))
// If we got -1, it means we have to put the cells at the end
pluto_actions.move_remote_cells(cellIdsToMove, end < 0 ? Infinity : end)
toc.draggedElement = undefined
},
}
}).on('hold',function (e) {
if (document.body.classList.contains('disable_ui')) { console.log('UI disabled, no interaction!'); return }
e.preventDefault()
e.stopImmediatePropagation()
e.stopPropagation()
// console.log('this is hold', e)
var interaction = e.interaction
if (!interaction.interacting()) {
interaction.start(
{ name: 'drag' },
e.interactable,
e.currentTarget,
)
}
})
</script>
"""), """
dragHandles.unset()
""");
# ╔═╡ 6dbebad0-cc03-499c-9d3a-0aa7e9b32549
md"""
## header_manipulation
"""
# ╔═╡ ef5eff51-e6e4-4f40-8763-119cbd479d66
_header_manipulation = HTLScript(@htl("""
<script>
const header = toc.querySelector('header')
const header_container = header.insertAdjacentElement('afterbegin', html`<span class='toc-header-container'>`)
const notebook_hide_icon = header_container.insertAdjacentElement('beforeend', html`<span class='toc-header-icon toc-header-hide'>`)
const save_file_icon = header_container.insertAdjacentElement('beforeend', html`<span class='toc-header-icon toc-header-save'>`)
save_file_icon.addEventListener('click', save_to_file)
header_container.insertAdjacentElement('beforeend', html`<span class='toc-header-filler'>`)
header.addEventListener('click', e => {
if (e.target != header) {return}
if (use_smoothscroll) {
smoothScroll({toElement: cell, block: 'start'})
} else {
cell.scrollIntoView({block: 'center', behavior: 'smooth'})
}
})
header.addEventListener('mouseenter', (e) => {
floating_ui.computePosition(header, header_container, {
placement: "left",
strategy: "fixed",
}).then(pos => {
header_container.style.top = pos.y + "px"
// header_container.style.left = pos.x + "px"
// header_container.style.right = `calc(1rem + min(80vw, 300px))`
})
})
notebook_hide_icon.addEventListener('click', (e) => {
// We find the x coordinate of the pluto-notebook element, to avoid missing the cell when UI is disabled
const { x } = document.querySelector('pluto-notebook').getBoundingClientRect()
const ref = document.elementFromPoint(x+1,100).closest('pluto-cell')
const { y } = ref.getBoundingClientRect()
toggle_notebook_attribute('hide-enabled')
const dy = ref.getBoundingClientRect().y - y
window.scrollBy(0, dy)
})
</script>
"""));
# ╔═╡ 7b8f25a8-e0cf-4b1b-8cfc-9de6334e75dd
md"""
## save\_to\_file
"""
# ╔═╡ 2ece4464-df5e-48e5-96d2-607213daebda
_save_to_file = HTLScript(@htl("""
<script>
function save_to_file() {
const state = window.toc_state
for (const [k,v] of Object.entries(state)) {
toggle_cell_attribute(k, 'toc-hidden', v.hidden)
toggle_cell_attribute(k, 'toc-collapsed', v.collapsed)
}
setTimeout(() => {
toc.classList.toggle('file-state-differs', stateDiffersFile(state))
}, 500)
}
</script>
"""));
# ╔═╡ c770fcab-93c0-4de5-b097-72c190ba0899
md"""
# Style
"""
# ╔═╡ 4426a0b3-98dc-49a0-8ecc-b57d0492736f
md"""
## header
"""
# ╔═╡ 5802c307-d68d-4e00-b6b2-d98ce295acae
_header_style = @htl """
<style>
.plutoui-toc header {
cursor: pointer;
}
span.toc-header-container {
position: fixed;
display: none;
--size: 25px;
height: calc(51px - 1rem);
flex-direction: row-reverse;
right: calc(1rem + min(80vh, 300px));
}
.toc-header-icon {
margin-right: 0.3rem;
align-self: stretch;
display: inline-block;
width: var(--size);
background-size: var(--size) var(--size);
background-repeat: no-repeat;
background-position: center;
filter: var(--image-filters);
cursor: pointer;
}
.toc-header-filler {
margin: .25rem;
}
header:hover span.toc-header-container,
span.toc-header-container:hover {
display: flex;
}
.toc-header-hide {
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/eye-outline.svg);
opacity: 50%;
--size: 1em;
}
.toc-header-save {
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/save-outline.svg);
opacity: 50%;
}
nav:not(.file-state-differs) .toc-header-save {
display: none;
}
pluto-notebook[hide-enabled] span.toc-header-hide {
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/eye-off-outline.svg);
}
</style>
""";
# ╔═╡ 59e74c4f-c561-463e-b096-e9e587417285
md"""
## toc_row
"""
# ╔═╡ 0b11ce0a-bc66-41d2-9fbf-1be98b1ce39b
_toc_row_style = @htl """
<style>
span.toc-hide-container {
--width: min(80vw, 300px);
position: fixed;
display: flex;
right: calc(var(--width) + 1rem + 22px - 100px);
height: var(--height);
width: 100px;
z-index: -1;
}
span.toc-hide {
visibility: hidden;
opacity: 50%;
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/eye-outline.svg);
cursor: pointer;
}
div.toc-row.hidden span.toc-hide {
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/eye-off-outline.svg);
}
span.toc-hide-container:hover > .toc-hide,
div.toc-row:hover .toc-hide {
visibility: visible;
}
div.toc-row a {
display: flex;
}
span.toc-icon {
--size: 17px;
display: block;
align-self: stretch;
background-size: var(--size) var(--size);
background-repeat: no-repeat;
background-position: center;
width: var(--size);
filter: var(--image-filters);
}
span.toc-collapse {
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/chevron-down.svg);
margin-right: 3px;
min-width: var(--size);
}
.plutoui-toc section div.toc-row.collapsed span.toc-collapse {
background-image: url(https://cdn.jsdelivr.net/gh/ionic-team/[email protected]/src/svg/chevron-forward.svg);
}
.plutoui-toc section div.toc-row a span.toc-collapse.no-children {
background-image: none;
}
div.toc-row.parent-hidden {
text-decoration: underline dotted .5px;
text-underline-offset: 2px;
}
div.toc-row.hidden {
text-decoration: underline dashed 1px;
text-underline-offset: 2px;
}
.plutoui-toc div.parent-collapsed {
display: none;
}
pluto-notebook[hide-enabled] div.toc-row.hidden,
pluto-notebook[hide-enabled] div.toc-row.parent-hidden {
display: none;
}
.drag_enabled .toc-row.dragged {
border: 2px dashed grey;
}
</style>
""";
# ╔═╡ 8f55cdc7-8409-4685-a154-52a82b91074c
md"""
## row-separator
"""
# ╔═╡ e3e3f46b-8879-4f7c-ad6a-12b4d27ac27a
_row_separator_style = @htl """
<style>
div.toc-row-separator {
height: 2px;
margin: 3px 0px;
background: #aaa;
display: none;
}
div.toc-row-separator.active {
display: block;
}
div.toc-row-separator.active.noshow {
display: none;
}
</style>
"""