117 lines
2.6 KiB
JavaScript
117 lines
2.6 KiB
JavaScript
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import Checkbox from './Checkbox'
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import hasProp from '../_util/props-util'
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export default {
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name: 'ACheckboxGroup',
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props: {
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prefixCls: {
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default: 'ant-checkbox-group',
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type: String,
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},
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defaultValue: {
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default: () => [],
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type: Array,
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},
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value: {
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default: undefined,
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type: Array,
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},
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options: {
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default: () => [],
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type: Array,
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},
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disabled: Boolean,
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},
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model: {
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prop: 'value',
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},
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provide () {
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return {
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checkboxGroupContext: this,
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}
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},
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data () {
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const { value, defaultValue } = this
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return {
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sValue: value || defaultValue,
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}
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},
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methods: {
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handleChange (event) {
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const target = event.target
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const { value: targetValue, checked } = target
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const { sValue } = this
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let newVal = []
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if (checked) {
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newVal = [...sValue, targetValue]
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} else {
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newVal = [...sValue]
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const index = newVal.indexOf(targetValue)
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index >= 0 && newVal.splice(index, 1)
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}
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newVal = [...new Set(newVal)]
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if (!hasProp(this, 'value')) {
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this.sValue = newVal
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}
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this.$emit('input', newVal)
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this.$emit('change', newVal)
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},
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getOptions () {
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const { options } = this.$props
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return options.map(option => {
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if (typeof option === 'string') {
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return {
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label: option,
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value: option,
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}
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}
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return option
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})
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},
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toggleOption (option) {
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const optionIndex = this.sValue.indexOf(option.value)
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const value = [...this.sValue]
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if (optionIndex === -1) {
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value.push(option.value)
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} else {
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value.splice(optionIndex, 1)
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}
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if (!hasProp(this, 'value')) {
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this.sValue = value
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}
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this.$emit('input', value)
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this.$emit('change', value)
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},
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},
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render () {
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const { $props: props, $data: state, $slots } = this
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const { prefixCls, options } = props
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let children = $slots.default
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if (options && options.length > 0) {
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children = this.getOptions().map(option => (
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<Checkbox
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key={option.value}
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disabled={'disabled' in option ? option.disabled : props.disabled}
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value={option.value}
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checked={state.sValue.indexOf(option.value) !== -1}
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onChange={() => this.toggleOption(option)}
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class={`${prefixCls}-item`}
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>
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{option.label}
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</Checkbox>
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))
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}
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return (
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<div class={prefixCls}>
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{children}
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</div>
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)
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},
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watch: {
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value (val) {
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this.sValue = val
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},
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},
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}
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