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index.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Messaging Segment Calculator</title>
<link rel="stylesheet" href="./main.css">
<script type="text/javascript" src="./grapheme-splitter.js"></script>
<script type="text/javascript" src="./segments_calculator.js"></script>
<script type="text/javascript" src="./segments_viewer.js"></script>
</head>
<body>
<h1>Messaging Segment Calculator</h1>
<div id="calculator">
<div id="calculator-header">
<div id="message-box">
<label class="label" for="message">SMS Message </label>
<textarea class="" type="text" id="message" name="message"></textarea>
</div>
<div id="information-box">
<span class="label">Encoding</span>
<div class="value">
<select class="not-really-value" id="encoding">
<option value="auto">Automatic</option>
<option value="GSM-7">GSM-7</option>
<option value="UCS-2">UCS-2</option>
</select>
</div>
<span class="label">Encoding Used</span>
<span class="value" id="encoding-used"></span>
<span class="label">Number of segments</span>
<span class="value" id="segment-counter"></span>
<span class="label">Number of characters</span>
<span class="value" id="unicode-char-counter"></span>
<span class="label">Number of Unicode scalars</span>
<span class="value" id="unicode-scalar-counter"></span>
<span class="label">Message size</span>
<span class="value" id="message-size-counter"></span>
<span class="label">Total size sent</span>
<span class="value" id="total-size-counter"></span>
</div>
</div>
<div id="viewers">
<div id="viewers-inner">
<span class="label">Message Parsed</span>
<span class="value">
<span id="message-blocks">
<div id="message-viewer"></div>
</span>
</span>
<span class="label">Segments</span>
<span class="value">
<span id="segments-blocks">
<div id="segments-viewer"></div>
</span>
</span>
</div>
</div>
</div>
<script>
const graphemeSplitter = new GraphemeSplitter();
const messageBox = document.getElementById('message');
const encodingSelect = document.getElementById('encoding');
const encodingUsed = document.getElementById('encoding-used');
const messageViewerBox = document.getElementById('message-blocks');
const segmentsViewerBox = document.getElementById('segments-blocks');
const messageViewer = new MessageViewer(document.getElementById('message-viewer'), 5);
const segmentsViewer = new SegmentsViewer(document.getElementById('segments-viewer'), 5);
const counters = {
segments: document.getElementById('segment-counter'),
unicodeCharCounter: document.getElementById('unicode-char-counter'),
unicodeScalarCounter: document.getElementById('unicode-scalar-counter'),
messageSize: document.getElementById('message-size-counter'),
totalSize: document.getElementById('total-size-counter')
};
function updateCalculator() {
const messageBodyText = messageBox.value;
const encoding = encodingSelect.value;
const segmentedMessage = new SegmentedMessage(messageBodyText, encoding, graphemeSplitter);
if (encodingUsed.textContent !== segmentedMessage.getEncodingName()) {
messageViewerBox.setAttribute('data-encoding', segmentedMessage.getEncodingName());
segmentsViewerBox.setAttribute('data-encoding', segmentedMessage.getEncodingName());
encodingUsed.textContent = segmentedMessage.getEncodingName();
encodingUsed.classList.add('recently-changed');
setTimeout(() => {encodingUsed.classList.remove('recently-changed');}, 3000);
}
counters.segments.textContent = segmentedMessage.segments.length;
counters.unicodeCharCounter.textContent = graphemeSplitter.countGraphemes(messageBodyText);
counters.unicodeScalarCounter.textContent = [...messageBodyText].length;
counters.messageSize.textContent = `${segmentedMessage.messageSize} bits`;
counters.totalSize.textContent = `${segmentedMessage.totalSize} bits`;
messageViewer.update(segmentedMessage);
segmentsViewer.update(segmentedMessage);
}
function selectBlocks(event) {
const block = event.target.closest('.block');
if (block) {
const mapKey = block.getAttribute("data-key");
if (mapKey) {
messageViewer.select(mapKey);
segmentsViewer.select(mapKey);
}
}
}
function clearSelection(event) {
messageViewer.clearSelection();
segmentsViewer.clearSelection();
}
messageBox.oninput = (event) => { updateCalculator(); };
encodingSelect.onchange = (event) => { updateCalculator(); };
messageViewerBox.onmouseout = clearSelection;
segmentsViewerBox.onmouseout = clearSelection;
messageViewerBox.onmouseover = selectBlocks;
segmentsViewerBox.onmouseover = selectBlocks;
updateCalculator();
</script>
</body>
</html>