akkoma-fe/src/components/selectable_list/selectable_list.js
2019-04-17 11:32:49 -04:00

66 lines
1.4 KiB
JavaScript

import List from '../list/list.vue'
import Checkbox from '../checkbox/checkbox.vue'
const SelectableList = {
components: {
List,
Checkbox
},
props: {
items: {
type: Array,
default: () => []
},
getKey: {
type: Function,
default: item => item.id
}
},
data () {
return {
selected: []
}
},
computed: {
allKeys () {
return this.items.map(this.getKey)
},
filteredSelected () {
return this.allKeys.filter(key => this.selected.indexOf(key) !== -1)
},
allSelected () {
return this.filteredSelected.length === this.items.length
},
noneSelected () {
return this.filteredSelected.length === 0
},
someSelected () {
return !this.allSelected && !this.noneSelected
}
},
methods: {
isSelected (item) {
return this.filteredSelected.indexOf(this.getKey(item)) !== -1
},
toggle (checked, item) {
const key = this.getKey(item)
const oldChecked = this.isSelected(key)
if (checked !== oldChecked) {
if (checked) {
this.selected.push(key)
} else {
this.selected.splice(this.selected.indexOf(key), 1)
}
}
},
toggleAll (value) {
if (value) {
this.selected = this.allKeys.slice(0)
} else {
this.selected = []
}
}
}
}
export default SelectableList