calendar/src/components/Jogwheel.vue
Leo Vasanko 018b9ecc55 vue (#1)
Port to Vue. Also implements plenty of new functionality.
2025-08-22 23:34:33 +01:00

113 lines
3.0 KiB
Vue

<template>
<div class="jogwheel-viewport" ref="jogwheelViewport" @scroll="handleJogwheelScroll">
<div class="jogwheel-content" ref="jogwheelContent" :style="{ height: jogwheelHeight + 'px' }"></div>
</div>
</template>
<script setup>
import { ref, computed, watch } from 'vue'
const props = defineProps({
totalVirtualWeeks: { type: Number, required: true },
rowHeight: { type: Number, required: true },
viewportHeight: { type: Number, required: true },
scrollTop: { type: Number, required: true }
})
const emit = defineEmits(['scroll-to'])
const jogwheelViewport = ref(null)
const jogwheelContent = ref(null)
const syncLock = ref(null)
// Jogwheel content height is 1/10th of main calendar
const jogwheelHeight = computed(() => {
return (props.totalVirtualWeeks * props.rowHeight) / 10
})
const handleJogwheelScroll = () => {
if (syncLock.value === 'jogwheel') return
syncFromJogwheel()
}
const syncFromJogwheel = () => {
if (!jogwheelViewport.value || !jogwheelContent.value) return
syncLock.value = 'main'
const jogScrollable = Math.max(0, jogwheelContent.value.scrollHeight - jogwheelViewport.value.clientHeight)
const mainScrollable = Math.max(0, props.totalVirtualWeeks * props.rowHeight - props.viewportHeight)
if (jogScrollable > 0) {
const ratio = jogwheelViewport.value.scrollTop / jogScrollable
// Emit scroll event to parent to update main viewport
emit('scroll-to', ratio * mainScrollable)
}
setTimeout(() => {
if (syncLock.value === 'main') syncLock.value = null
}, 50)
}
const syncFromMain = (mainScrollTop) => {
if (!jogwheelViewport.value || !jogwheelContent.value) return
if (syncLock.value === 'main') return
syncLock.value = 'jogwheel'
const mainScrollable = Math.max(0, props.totalVirtualWeeks * props.rowHeight - props.viewportHeight)
const jogScrollable = Math.max(0, jogwheelContent.value.scrollHeight - jogwheelViewport.value.clientHeight)
if (mainScrollable > 0) {
const ratio = mainScrollTop / mainScrollable
jogwheelViewport.value.scrollTop = ratio * jogScrollable
}
setTimeout(() => {
if (syncLock.value === 'jogwheel') syncLock.value = null
}, 50)
}
// Watch for main calendar scroll changes
watch(() => props.scrollTop, (newScrollTop) => {
syncFromMain(newScrollTop)
})
defineExpose({
syncFromMain
})
</script>
<style scoped>
.jogwheel-viewport {
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 3rem; /* Use fixed width since minmax() doesn't work for absolute positioning */
overflow-y: auto;
overflow-x: hidden;
scrollbar-width: none;
z-index: 20;
cursor: ns-resize;
background: rgba(0, 0, 0, 0.05); /* Temporary background to see the area */
/* Prevent text selection */
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-touch-callout: none;
-webkit-tap-highlight-color: transparent;
}
.jogwheel-viewport::-webkit-scrollbar {
display: none;
}
.jogwheel-content {
position: relative;
width: 100%;
}
</style>