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Update the clientside example to match the gh-pages branch.
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@vicjohnson1213
vicjohnson1213 committed Sep 22, 2019
1 parent 8e462e4 commit 4de5036
Showing 1 changed file with 213 additions and 136 deletions.
349 changes: 213 additions & 136 deletions examples/clientside.html
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<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>client side test for node-qrcode</title>
<!--[if ie]><script type="text/javascript" src="vendors/excanvas/excanvas.js"></script><![endif]-->
<script src="../build/qrcode.js"></script>
<script src="../build/qrcode.tosjis.js"></script>
<style>
.container { display: flex; }
.controls {
display: flex; flex-direction: column;
width: 100%;
padding: 0 5px 0 5px;
background-color: ghostwhite;
}
.controls > label { margin-bottom: 5px; margin-top: 10px; }
.controls > textarea { flex: 1; margin-bottom: 10px; }
.controls > input { width: 100%; margin: 0; padding: 0; flex: 1; }
.qrcode-container {
display: flex; align-items: center; justify-content: center;
min-height: 300px; min-width: 300px; padding: 10px;
background-color: ghostwhite;
}
.qrcode-image { box-shadow: 2px 2px 12px lightgray; }
.error { color: red; max-width: 280px; }
</style>
</head>
<body>
<div class="container">
<div class="controls" style="max-width: 320px;">
<div class="container">
<div class="controls">
<label for="version">Version:</label>
<select id="version" name="version">
<option>Auto</option>
</select>
</div>
<div class="controls">
<label for="mode">Mode:</label>
<select id="mode" name="mode">
<option>Auto</option>
<option>Numeric</option>
<option>Alphanumeric</option>
<option>Byte</option>
<option>Kanji</option>
</select>
</div>

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
<title>client side test for node-qrcode</title>
<!--[if ie]><script type="text/javascript" src="vendors/excanvas/excanvas.js"></script><![endif]-->
<script src="qrcode.js"></script> <!-- This doesn't exist in the examples, you'll need to supply this. -->
<script src="qrcode.tosjis.js"></script> <!-- This doesn't exist in the examples, you'll need to supply. -->
<style>
* {
box-sizing: border-box;
font-family: Arial, Helvetica, sans-serif;
}

html,
body {
margin: 0;
background-color: ghostwhite;
}

input,
textarea {
font-size: 14px;
padding: 2px;
}

textarea {
resize: none;
}

.container {
display: flex;
margin: 0 auto;
padding: 16px;
justify-content: center;
}

.controls {
flex: 2;
display: flex;
flex-direction: column;
min-width: 400px;
max-width: 400px;
}

.qrcode-container {
display: flex;
justify-content: center;
align-items: center;
}

.qrcode-image {
border: 1px solid #ccc;
}

.container>*+* {
margin-left: 40px;
}

.title {
text-align: center;
}

.control-group {
display: flex;
}

.control-group+.control-group {
margin-top: 16px;
}

.control {
flex: 1;
display: flex;
flex-direction: column;
}

.control+.control {
margin-left: 16px;
}

.control>input {
width: 100%;
}

.control>textarea {
width: 100%;
flex-grow: 1;
}

.expand {
flex-grow: 1;
}
</style>
</head>

<body>
<h1 class="title">node-qrcode</h1>
<div class="container">
<div class="controls">

<div class="control-group">
<div class="control">
<label for="version">Version:</label>
<select id="version" name="version">
<option>Auto</option>
</select>
</div>
<div class="control">
<label for="mode">Mode:</label>
<select id="mode" name="mode">
<option>Auto</option>
<option>Numeric</option>
<option>Alphanumeric</option>
<option>Byte</option>
<option>Kanji</option>
</select>
</div>
</div>

<div class="controls">
<label for="errorLevel">Error Correction Level:</label>
<div class="control-group">
<div class="control">
<label for="margin">Margin:</label>
<input id="margin" type="number" name="margin" min="4" value="4" />
</div>
<div class="control">
<label for="errorLevel">Error Correction:</label>
<select id="errorLevel" name="errorLevel">
<option>Default</option>
<option>Default (Medium)</option>
<option>Low</option>
<option>Medium</option>
<option>Quartile</option>
<option>High</option>
</select>
</div>
</div>

<div class="container">
<div class="controls">
<label for="margin">Margin:</label>
<input id="margin" type="number" name="margin" min="4" value="4" />
</div>
<div class="controls">
<label for="lightColor">Light color:</label>
<input id="lightColor" type="color" name="light" value="#ffffff" />
</div>
<div class="controls">
<label for="darkColor">Dark color:</label>
<input id="darkColor" type="color" name="dark" value="#000000" />
</div>
<div class="control-group">
<div class="control color-control">
<label for="lightColor">Light color:</label>
<input id="lightColor" type="color" name="light" value="#ffffff" />
</div>
<div class="control color-control">
<label for="darkColor">Dark color:</label>
<input id="darkColor" type="color" name="dark" value="#000000" />
</div>
</div>

<div class="controls" style="flex: 1;">
<div class="control-group expand">
<div class="control">
<label for="input-text">Text:</label>
<textarea id="input-text">https://github.com/soldair/node-qrcode</textarea>
</div>

</div>
<div class="qrcode-container">
<p id="error" class="error"></p>
<canvas id="canvas" class="qrcode-image"></canvas>
</div>
</div>

<script>
var errorEl = document.getElementById('error')
var versionEl = document.getElementById('version')
var errorLevelEl = document.getElementById('errorLevel')
var modeEl = document.getElementById('mode')
var marginEl = document.getElementById('margin')
var lightColorEl = document.getElementById('lightColor')
var darkColorEl = document.getElementById('darkColor')
var canvasEl = document.getElementById('canvas')
var textEl = document.getElementById('input-text')

function debounce (func, wait, immediate) {
var timeout
return function () {
var context = this
var args = arguments
var later = function () {
timeout = null
if (!immediate) func.apply(context, args)
}

var callNow = immediate && !timeout
clearTimeout(timeout)
timeout = setTimeout(later, wait)
if (callNow) func.apply(context, args)
<div class="qrcode-container">
<p id="error" class="error"></p>
<canvas id="canvas" class="qrcode-image"></canvas>
</div>
</div>

<script>
var errorEl = document.getElementById('error')
var versionEl = document.getElementById('version')
var errorLevelEl = document.getElementById('errorLevel')
var modeEl = document.getElementById('mode')
var marginEl = document.getElementById('margin')
var lightColorEl = document.getElementById('lightColor')
var darkColorEl = document.getElementById('darkColor')
var canvasEl = document.getElementById('canvas')
var textEl = document.getElementById('input-text')

function debounce(func, wait, immediate) {
var timeout
return function () {
var context = this
var args = arguments
var later = function () {
timeout = null
if (!immediate) func.apply(context, args)
}
}

function drawQR (text) {
errorEl.style.display = 'none'
canvasEl.style.display = 'block'

QRCode.toCanvas(canvasEl, text, {
version: versionEl.value,
errorCorrectionLevel: errorLevelEl.options[errorLevelEl.selectedIndex].text,
margin: marginEl.value,
color: {
light: lightColorEl.value,
dark: darkColorEl.value
},
toSJISFunc: QRCode.toSJIS
}, function (error, canvas) {
if (error) {
canvasEl.style.display = 'none'
errorEl.style.display = 'inline'
errorEl.textContent = error
}
})
var callNow = immediate && !timeout
clearTimeout(timeout)
timeout = setTimeout(later, wait)
if (callNow) func.apply(context, args)
}
}

var updateQR = debounce(function () {
var mode = modeEl.options[modeEl.selectedIndex].text
if (mode !== 'Auto') {
drawQR([{ data: textEl.value, mode: mode }])
} else {
drawQR(textEl.value)
function drawQR(text) {
errorEl.style.display = 'none'
canvasEl.style.display = 'block'

QRCode.toCanvas(canvasEl, text, {
version: versionEl.value,
errorCorrectionLevel: errorLevelEl.options[errorLevelEl.selectedIndex].text,
margin: marginEl.value,
color: {
light: lightColorEl.value,
dark: darkColorEl.value
},
toSJISFunc: QRCode.toSJIS
}, function (error, canvas) {
if (error) {
canvasEl.style.display = 'none'
errorEl.style.display = 'inline'
errorEl.textContent = error
}
}, 250)

versionEl.addEventListener('change', updateQR, false)
errorLevelEl.addEventListener('change', updateQR, false)
modeEl.addEventListener('change', updateQR, false)
marginEl.addEventListener('change', updateQR, false)
lightColorEl.addEventListener('change', updateQR, false)
darkColorEl.addEventListener('change', updateQR, false)
textEl.addEventListener('keyup', updateQR, false)

for (var i = 1; i <= 40; i++) {
versionEl.options[versionEl.options.length] = new Option(i.toString(), i)
})
}

var updateQR = debounce(function () {
var mode = modeEl.options[modeEl.selectedIndex].text
if (mode !== 'Auto') {
drawQR([{ data: textEl.value, mode: mode }])
} else {
drawQR(textEl.value)
}
}, 250)

versionEl.addEventListener('change', updateQR, false)
errorLevelEl.addEventListener('change', updateQR, false)
modeEl.addEventListener('change', updateQR, false)
marginEl.addEventListener('change', updateQR, false)
lightColorEl.addEventListener('change', updateQR, false)
darkColorEl.addEventListener('change', updateQR, false)
textEl.addEventListener('keyup', updateQR, false)

for (var i = 1; i <= 40; i++) {
versionEl.options[versionEl.options.length] = new Option(i.toString(), i)
}

drawQR(textEl.value)
</script>

drawQR(textEl.value)
</script>
</body>

</body>
</html>
</html>

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