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Custom plotly chart widget #37

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Custom plotly chart widget #37

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94 changes: 94 additions & 0 deletions custom-plotly-chart/index.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Custom Plotly Chart</title>

<script src="https://cdn.plot.ly/plotly-2.16.1.min.js"></script>

<script src="https://cdn.jsdelivr.net/npm/ace-builds@1.12.5/src-min-noconflict/ace.js"></script>
<script src="https://docs.getgrist.com/grist-plugin-api.js"></script>

<style>
html, body, .container {
height: 95%;
}

#code {
font-size: 16px;
}
</style>
</head>
<body>
<div class="container">
<div class="container" id="chart" style="display: none"></div>
<pre class="container" id="code">const data = [{
x: table.A,
y: table.B
}];
const layout = {
margin: {t: 0}
};
return [data, layout];
</pre>
</div>
<div>
<button id="btn">Save</button>
</div>
<script>
let editing = true;
const button = document.getElementById('btn');
const chart = document.getElementById('chart');
const code = document.getElementById('code');

const editor = ace.edit("code");
editor.setTheme("ace/theme/dracula");
editor.session.setMode("ace/mode/javascript");
let table = null;

function plotTable() {
try {
const func = Function(`
"use strict";
return function(table) {
${editor.getValue()}
}`
)();
const args = func(table);
const validation = Plotly.validate(...args);
if (validation) {
chart.innerHTML = `<pre>Plotly validation error:\n${JSON.stringify(validation, null, 2)}</pre>`;
} else {
Plotly.newPlot(chart, ...args);
}
} catch (e) {
chart.innerHTML = `<pre>Error:\n${e.stack}</pre>`;
}
}

button.addEventListener('click', async () => {
if (editing) {
button.innerText = 'Edit';
chart.style.display = 'block';
code.style.display = 'none';
if (table) {
plotTable();
}
} else {
button.innerText = 'Save';
chart.style.display = 'none';
code.style.display = 'block';
}
editing = !editing;
});

grist.ready();
grist.onRecords(async function (records) {
table = Object.fromEntries(Object.keys(records[0]).map(key => [key, records.map(r => r[key])]));
if (!editing) {
plotTable();
}
});
</script>
</body>
</html>