Files
Umbrella/frontend/src/Components/MarkdownDisplay.svelte
2026-03-30 23:59:00 +02:00

102 lines
3.4 KiB
Svelte

<script>
import { onMount, onDestroy } from 'svelte';
import { t } from '../translations.svelte';
let {
classes='markdown',
markdown=$bindable({source:'',rendered:''}),
onclick = null,
oncontextmenu = e => {},
sheet = null,
title='',
wrapper = 'div'
} = $props();
let jspreadsheet = null;
const regex = /@startsheet[\s\S]*?@endsheet/g;
const number = /^[0-9.-]+$/
function update(sheet, index){
const data = sheet.getData(false,false,'|',false);
markdown.source = replaceNthSpreadsheet(markdown.source,index,data);
}
function replaceNthSpreadsheet(text, n, newContent) {
const blocks = text.match(regex) || [];
if (blocks.length < n+1){
console.warn(`cannot replace block ${n}: only ${blocks.length} blocks found!`);
return text;
}
let count = 0;
return text.replace(regex, (match) => count++ === n ? `@startsheet\n${newContent}\n@endsheet` : match);
}
function formatCell(cell, value, x, y, instance, options){
value = value.trim();
if (value.startsWith('=') || number.test(value)) cell.style.textAlign = 'right';
}
async function transform(){
if (!markdown.rendered) return;
let sheets = document.getElementsByClassName('spreadsheet');
for (let i = 0; i < sheets.length; i++) {
let current_sheet = sheets[i];
let raw = current_sheet.innerHTML.trim();
if (!jspreadsheet) {
current_sheet.innerHTML = t('Loading spreadsheet library…');
let module = await import('jspreadsheet-ce'); // path or package name
await import('jspreadsheet-ce/dist/jspreadsheet.css');
jspreadsheet = module.default ?? module;
}
if (!jspreadsheet) break; // break loop if library fails to load
current_sheet.innerHTML = t('Processing spreadsheet data…');
// Use parseCSV from the helpers
const parsed = jspreadsheet.helpers.parseCSV(raw, '|');
let columns = {};
for (let row of parsed){
for (let col in row){
let data = ""+row[col];
if (data.startsWith('=')) continue;
let len = data.length;
columns[col] = Math.max(columns[col]??0,len);
}
}
columns = Object.values(columns).map((len) => {return {
align: 'left',
render: formatCell,
width:`${len}0px`
}});
var w = window.innerWidth;
if (classes == 'preview') w = w/2;
let config = {
worksheets : [{
data:parsed,
columns,
tableOverflow: true,
tableWidth: `${w}px`,
}],
onchange : (instance, cell, x, y, value) => update(instance, i),
oneditionstart : (instance, cell, x, y) => oncontextmenu({sheet:current_sheet.id, x,y})
};
let wb = jspreadsheet(document.getElementById(current_sheet.id), config);
if (sheet && sheet.sheet == current_sheet.id) {
let cell = wb[0].getCellFromCoords(sheet.x, sheet.y);
cell.scrollIntoView({block:'center'});
wb[0].updateSelectionFromCoords(sheet.x, sheet.y);
wb[0].openEditor(cell);
}
}
}
onMount(() => { setTimeout(transform,200)});
</script>
{#if markdown.rendered}
<svelte:element this={wrapper} class={classes} {onclick} {oncontextmenu} {title}>
{@html markdown.rendered}
</svelte:element>
{/if}