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ant-design-vue/components/vc-switch/Switch.vue

115 lines
2.7 KiB

<script>
import { switchPropTypes } from './PropTypes'
import BaseMixin from '../_util/BaseMixin'
import { hasProp, getOptionProps, getComponentFromProp } from '../_util/props-util'
// function noop () {
// }
export default {
name: 'vc-switch',
mixins: [BaseMixin],
model: {
prop: 'checked',
event: 'change',
},
props: {
...switchPropTypes,
prefixCls: switchPropTypes.prefixCls.def('rc-switch'),
// onChange: switchPropTypes.onChange.def(noop),
// onClick: switchPropTypes.onClick.def(noop),
},
data () {
let checked = false
if (hasProp(this, 'checked')) {
checked = !!this.checked
} else {
checked = !!this.defaultChecked
}
return {
stateChecked: checked,
}
},
mounted () {
this.$nextTick(() => {
const { autoFocus, disabled } = this
if (autoFocus && !disabled) {
this.focus()
}
})
},
watch: {
checked (val) {
this.stateChecked = val
},
},
methods: {
setChecked (checked) {
if (this.disabled) {
return
}
if (!hasProp(this, 'checked')) {
this.stateChecked = checked
}
this.$emit('change', checked)
},
toggle () {
const checked = !this.stateChecked
this.setChecked(checked)
this.$emit('click', checked)
},
handleKeyDown (e) {
if (e.keyCode === 37) { // Left
this.setChecked(false)
} else if (e.keyCode === 39) { // Right
this.setChecked(true)
} else if (e.keyCode === 32 || e.keyCode === 13) { // Space, Enter
this.toggle()
}
},
handleMouseUp (e) {
if (this.$refs.refSwitchNode) {
this.$refs.refSwitchNode.blur()
}
this.$emit('mouseup', e)
},
focus () {
this.$refs.refSwitchNode.focus()
},
blur () {
this.$refs.refSwitchNode.blur()
},
},
render () {
const { prefixCls, disabled, tabIndex, ...restProps } = getOptionProps(this)
const checked = this.stateChecked
const switchTabIndex = disabled ? -1 : (tabIndex || 0)
const switchClassName = {
[prefixCls]: true,
[`${prefixCls}-checked`]: checked,
[`${prefixCls}-disabled`]: disabled,
}
const spanProps = {
props: { ...restProps },
on: {
...this.$listeners,
keydown: this.handleKeyDown,
click: this.toggle,
mouseup: this.handleMouseUp,
},
attrs: {
tabIndex: switchTabIndex,
},
class: switchClassName,
ref: 'refSwitchNode',
}
return (
<span {...spanProps}>
<span class={`${prefixCls}-inner`}>
{checked ? getComponentFromProp(this, 'checkedChildren') : getComponentFromProp(this, 'unCheckedChildren')}
</span>
</span>
)
},
}
</script>