Files
paskia/frontend/src/components/QRCodeDisplay.vue
T

131 lines
2.6 KiB
Vue

<template>
<div class="qr-display">
<div class="qr-section">
<a :href="url" @click.prevent="copyLink" class="qr-link" title="Click to copy link" tabindex="0" @keydown.enter.prevent="copyLink">
<canvas ref="qrCanvas" class="qr-code"></canvas>
<div v-if="showLink && url" class="link-text">{{ displayUrl }}</div>
</a>
</div>
</div>
</template>
<script setup>
import { ref, watch, nextTick, computed } from 'vue'
import QRCode from 'qrcode/lib/browser'
const props = defineProps({
url: { type: String, required: true },
showLink: { type: Boolean, default: false }
})
const emit = defineEmits(['copied'])
const qrCanvas = ref(null)
const displayUrl = computed(() => {
if (!props.url) return ''
return props.url.replace(/^https?:\/\//, '')
})
function drawQR() {
if (!props.url || !qrCanvas.value) {
return
}
try {
// Clear the canvas first
const ctx = qrCanvas.value.getContext('2d')
ctx.clearRect(0, 0, qrCanvas.value.width, qrCanvas.value.height)
// Generate QR code synchronously
QRCode.toCanvas(qrCanvas.value, props.url, {
scale: 6,
margin: 0,
color: {
dark: '#000000',
light: '#FFFFFF'
}
})
// Remove any inline styles added by QRCode library immediately
qrCanvas.value.removeAttribute('style')
} catch (err) {
console.error('QR code generation failed:', err)
}
}
async function copyLink() {
if (!props.url) return
try {
await navigator.clipboard.writeText(props.url)
emit('copied')
} catch (err) {
console.error('Failed to copy link:', err)
}
}
// Watch for URL changes
watch(() => props.url, () => {
drawQR()
}, { immediate: true })
// Watch for canvas ref becoming available
watch(qrCanvas, () => {
if (qrCanvas.value && props.url) {
drawQR()
}
}, { immediate: true })
</script>
<style scoped>
.qr-display {
display: flex;
flex-direction: column;
align-items: center;
gap: 0.75rem;
}
.qr-section {
display: flex;
flex-direction: column;
align-items: center;
gap: 0.5rem;
}
.qr-link {
display: flex;
flex-direction: column;
align-items: center;
text-decoration: none;
color: inherit;
border-radius: var(--radius-sm, 6px);
overflow: hidden;
}
.qr-code {
display: block;
width: 200px;
height: 200px;
max-width: 100%;
object-fit: contain;
border-radius: var(--radius-sm, 6px);
background: #ffffff;
cursor: pointer;
}
.link-text {
padding: 0.5rem;
font-size: 0.75rem;
color: var(--color-text-muted);
font-family: monospace;
word-break: break-all;
line-height: 1.2;
transition: color 0.2s ease;
}
.qr-link:hover .link-text {
color: var(--color-text);
}
</style>