index.js
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import { VantComponent } from '../common/component';
VantComponent({
field: true,
relation: {
name: 'checkbox-group',
type: 'ancestor'
},
classes: ['icon-class', 'label-class'],
props: {
value: null,
disabled: Boolean,
useIconSlot: Boolean,
checkedColor: String,
labelPosition: String,
labelDisabled: Boolean,
shape: {
type: String,
value: 'round'
}
},
methods: {
emitChange(value) {
const parent = this.getRelationNodes('../checkbox-group/index')[0];
if (parent) {
this.setParentValue(parent, value);
}
else {
this.$emit('input', value);
this.$emit('change', value);
}
},
toggle() {
if (!this.data.disabled) {
this.emitChange(!this.data.value);
}
},
onClickLabel() {
if (!this.data.disabled && !this.data.labelDisabled) {
this.emitChange(!this.data.value);
}
},
setParentValue(parent, value) {
const parentValue = parent.data.value.slice();
const { name } = this.data;
if (value) {
if (parent.data.max && parentValue.length >= parent.data.max) {
return;
}
/* istanbul ignore else */
if (parentValue.indexOf(name) === -1) {
parentValue.push(name);
parent.$emit('input', parentValue);
parent.$emit('change', parentValue);
}
}
else {
const index = parentValue.indexOf(name);
/* istanbul ignore else */
if (index !== -1) {
parentValue.splice(index, 1);
parent.$emit('input', parentValue);
parent.$emit('change', parentValue);
}
}
}
}
});