40 lines
1.0 KiB
Vue

<template>
<ds-grid-item :rowSpan="rowSpan">
<slot></slot>
</ds-grid-item>
</template>
<script>
export default {
data() {
return {
rowSpan: 10,
}
},
methods: {
calculateItemHeight() {
this.$parent.$emit('calculating-item-height')
this.$nextTick(() => {
const gridStyle = this.$parent.$el.style
const rowHeight = parseInt(gridStyle.gridAutoRows)
const rowGapValue = gridStyle.rowGap || gridStyle.gridRowGap
const rowGap = parseInt(rowGapValue)
const itemHeight = this.$el.clientHeight
this.rowSpan = Math.ceil((itemHeight + rowGap) / (rowHeight + rowGap))
this.$parent.$emit('finished-calculating-item-height')
})
},
},
mounted() {
const image = this.$el.querySelector('img')
if (image) {
image.onload = () => this.calculateItemHeight()
} else {
// use timeout to make sure layout is set up before calculation
setTimeout(() => this.calculateItemHeight(), 0)
}
},
}
</script>