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Sandbox stores last values #247

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merged 1 commit into from
Mar 8, 2024
Merged

Sandbox stores last values #247

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51 changes: 29 additions & 22 deletions testHTML/m21jSandbox.html
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@

<body>
<div class="header">
<button id="resetButton" role="button" style="float: right">Reset</button>
<h1>Music21j Sandbox</h1>
<div class="main">
<label for="sandbox">
Expand All @@ -47,14 +48,23 @@ <h1>Music21j Sandbox</h1>
<p></p>
<div class="example sandbox">
<textarea id="sandbox" class="editor">
</textarea>
<p></p>
<div class='streamHolding' id='mainSVG'>
<svg width="525" height="220"></svg>
</div>
<p></p>
</div>
</div>
</div>
<script>
let timeout;

const default_text = `
const s = new music21.stream.Measure();
const n = new music21.note.Note("C#4");
n.addLyric('lulli-');
n.addLyric('sad');
n.duration.type = "half";
const n2 = new music21.note.Note("A3");
n2.addLyric('bye');
n2.addLyric('day');
const n2 = new music21.note.Note("A4");
n2.duration.type = "quarter";
const n3 = new music21.note.Note("C#");
n3.duration.type = "quarter";
Expand All @@ -64,32 +74,28 @@ <h1>Music21j Sandbox</h1>
s.append(n3);
s.renderOptions.marginBottom = 80;
s.replaceDOM('#mainSVG');
</textarea>
<p></p>
<div class='streamHolding' id='mainSVG'>
<svg width="525" height="220"></svg>
</div>
<p></p>
</div>
</div>
</div>
<script>
Vex = undefined;
mainSVG = undefined;
let timeout;
let msg = "";
`;

mainSVG = document.querySelector("#mainSVG");
msg = document.querySelector('div.editor-error .text');
const mainSVG = document.querySelector("#mainSVG");
const msg = document.querySelector('div.editor-error .text');
const sandbox = document.querySelector("#sandbox");
const localStorageKey = 'm21j_sandbox_code';
const local_storage_value = localStorage.getItem(localStorageKey);
sandbox.value = local_storage_value || default_text;
document.querySelector('#resetButton').addEventListener('click', () => {
sandbox.value = default_text;
localStorage.removeItem(localStorageKey);
live_code();
});

live_code();

for (const evt of ['blur', 'keyup', 'paste']) {
sandbox.addEventListener(evt, () => {
if (timeout) {
clearTimeout(timeout);
}
timeout = setTimeout(live_code, 200);
timeout = setTimeout(live_code, 250);
});
}

Expand All @@ -100,6 +106,7 @@ <h1>Music21j Sandbox</h1>
eval(code);
msg.innerHTML = '';
msg.style.display = 'none';
localStorage.setItem(localStorageKey, code);
} catch (e) {
msg.innerHTML = e.toString();
msg.style.display = 'block';
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