aircox-radiocampus/assets/src/components/ARows.vue
bkfox 61af53eecb - save & load
- key navigation
- ui improvements
2022-12-11 00:29:53 +01:00

153 lines
4.9 KiB
Vue

<template>
<table class="table is-stripped is-fullwidth">
<thead>
<tr>
<slot name="header-head"/>
<th v-for="col in columns" :key="col"
style="vertical-align: middle">{{ labels[col] }}</th>
<slot name="header-tail"/>
</tr>
</thead>
<tbody>
<slot name="head"/>
<template v-for="(item,row) in items" :key="row">
<!-- data-index comes from AList component drag & drop -->
<a-row :item="item" :cell="{row, columns}" :data-index="row"
:draggable="orderable"
@dragstart="onDragStart" @dragover="onDragOver" @drop="onDrop"
@cell="onCellEvent(index, $event)">
<template v-for="[name,slot] of rowSlots" :key="slot" v-slot:[slot]="data">
<template v-if="slot == 'head' || slot == 'tail'">
<slot :name="name" v-bind="data"/>
</template>
<template v-else>
<div @keydown.capture.ctrl="onControlKey($event, data.cell)">
<slot :name="name" v-bind="data"/>
</div>
</template>
</template>
</a-row>
</template>
<template v-if="allowCreate">
<a-row :item="extraItem" :cell="{row:items.length, columns}"
@keypress.enter.stop.prevent="validateExtraCell">
<template v-for="[name,slot] of rowSlots" :key="slot" v-slot:[slot]="data">
<slot :name="name" v-bind="data"/>
</template>
</a-row>
</template>
<slot name="tail"/>
</tbody>
</table>
</template>
<script>
import AList from './AList.vue'
import ARow from './ARow.vue'
const Component = {
extends: AList,
components: { ARow },
emit: ['cell'],
props: {
...AList.props,
columns: Array,
labels: Object,
allowCreate: Boolean,
},
data() {
return {
...super.data,
extraItem: new this.set.model(),
}
},
computed: {
rowCells() {
const cells = []
for(var row in this.items)
cells.push({row, columns: this.columns,})
},
rows() {
return [...this.$el.querySelectorAll('tr')].filter(x => x.__row)
.map(x => x.__row)
},
rowSlots() {
return Object.keys(this.$slots).filter(x => x.startsWith('row-'))
.map(x => [x, x.slice(4)])
},
},
methods: {
validateExtraCell() {
if(!this.allowCreate)
return
this.set.push(this.extraItem)
this.extraItem = new this.set.model()
},
onControlKey(event, cell) {
switch(event.key) {
case "ArrowUp": this.focus(-1, 0, cell)
event.stopPropagation()
event.preventDefault()
break;
case "ArrowDown": this.focus(1, 0, cell)
event.stopPropagation()
event.preventDefault()
break;
case "ArrowLeft": this.focus(0, -1, cell)
event.stopPropagation()
event.preventDefault()
break;
case "ArrowRight": this.focus(0, 1, cell)
event.stopPropagation()
event.preventDefault()
break;
}
},
/**
* React on 'cell' event, re-emitting it with additional values:
* - `set`: data set
* - `row`: row index
*
* @param {Number} row: row index
* @param {} data: cell's event data
*/
onCellEvent(row, event) {
if(event.name == 'focus')
this.cellFocus(event.data, event.cell)
this.$emit('cell', {
...event, row,
set: this.set
})
},
getCellNode(row, col) {
const el = this.$refs[row]
return el && el.cellEls(col)
},
/**
* Focus on a cell
*/
focus(row, col, from=null) {
if(from)
row += from.row
row = this.rows[row]
row && row.focus(col, from)
},
},
}
Component.props.itemTag.default = 'tr'
Component.props.listTag.default = 'tbody'
export default Component
</script>