40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
import { VantComponent } from '../common/component';
|
|
VantComponent({
|
|
field: true,
|
|
relation: {
|
|
name: 'checkbox',
|
|
type: 'descendant',
|
|
linked(target) {
|
|
this.children = this.children || [];
|
|
this.children.push(target);
|
|
this.updateChild(target);
|
|
},
|
|
unlinked(target) {
|
|
this.children = this.children.filter((child) => child !== target);
|
|
}
|
|
},
|
|
props: {
|
|
max: Number,
|
|
value: {
|
|
type: Array,
|
|
observer: 'updateChildren'
|
|
},
|
|
disabled: {
|
|
type: Boolean,
|
|
observer: 'updateChildren'
|
|
}
|
|
},
|
|
methods: {
|
|
updateChildren() {
|
|
(this.children || []).forEach((child) => this.updateChild(child));
|
|
},
|
|
updateChild(child) {
|
|
const { value, disabled } = this.data;
|
|
child.setData({
|
|
value: value.indexOf(child.data.name) !== -1,
|
|
disabled: disabled || child.data.disabled
|
|
});
|
|
}
|
|
}
|
|
});
|