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ant-design-vue/components/checkbox/Checkbox.tsx

107 lines
3.7 KiB

import { watchEffect, onMounted, defineComponent, inject, onBeforeUnmount, ref } from 'vue';
import classNames from '../_util/classNames';
import VcCheckbox from '../vc-checkbox/Checkbox';
import { flattenChildren } from '../_util/props-util';
import warning from '../_util/warning';
import type { EventHandler } from '../_util/EventInterface';
import { useInjectFormItemContext } from '../form/FormItemContext';
import useConfigInject from '../_util/hooks/useConfigInject';
import type { CheckboxChangeEvent, CheckboxProps } from './interface';
import { CheckboxGroupContextKey, checkboxProps } from './interface';
export default defineComponent({
name: 'ACheckbox',
inheritAttrs: false,
__ANT_CHECKBOX: true,
props: checkboxProps(),
// emits: ['change', 'update:checked'],
setup(props, { emit, attrs, slots, expose }) {
const formItemContext = useInjectFormItemContext();
const { prefixCls, direction } = useConfigInject('checkbox', props);
const checkboxGroup = inject(CheckboxGroupContextKey, undefined);
const uniId = Symbol('checkboxUniId');
watchEffect(() => {
if (!props.skipGroup && checkboxGroup) {
checkboxGroup.registerValue(uniId, props.value);
}
});
onBeforeUnmount(() => {
if (checkboxGroup) {
checkboxGroup.cancelValue(uniId);
}
});
onMounted(() => {
warning(
props.checked !== undefined || checkboxGroup || props.value === undefined,
'Checkbox',
'`value` is not validate prop, do you mean `checked`?',
);
});
const handleChange = (event: CheckboxChangeEvent) => {
const targetChecked = event.target.checked;
emit('update:checked', targetChecked);
emit('change', event);
};
const checkboxRef = ref();
const focus = () => {
checkboxRef.value?.focus();
};
const blur = () => {
checkboxRef.value?.blur();
};
expose({
focus,
blur,
});
return () => {
const children = flattenChildren(slots.default?.());
const { indeterminate, skipGroup, id = formItemContext.id.value, ...restProps } = props;
const { onMouseenter, onMouseleave, onInput, class: className, style, ...restAttrs } = attrs;
const checkboxProps: CheckboxProps = {
...restProps,
id,
prefixCls: prefixCls.value,
...restAttrs,
};
if (checkboxGroup && !skipGroup) {
checkboxProps.onChange = (...args) => {
emit('change', ...args);
checkboxGroup.toggleOption({ label: children, value: props.value });
};
checkboxProps.name = checkboxGroup.name.value;
checkboxProps.checked = checkboxGroup.mergedValue.value.indexOf(props.value) !== -1;
checkboxProps.disabled = props.disabled || checkboxGroup.disabled.value;
checkboxProps.indeterminate = indeterminate;
} else {
checkboxProps.onChange = handleChange;
}
const classString = classNames(
{
[`${prefixCls.value}-wrapper`]: true,
[`${prefixCls.value}-rtl`]: direction.value === 'rtl',
[`${prefixCls.value}-wrapper-checked`]: checkboxProps.checked,
[`${prefixCls.value}-wrapper-disabled`]: checkboxProps.disabled,
},
className,
);
const checkboxClass = classNames({
[`${prefixCls.value}-indeterminate`]: indeterminate,
});
return (
<label
class={classString}
style={style}
onMouseenter={onMouseenter as EventHandler}
onMouseleave={onMouseleave as EventHandler}
>
<VcCheckbox {...checkboxProps} class={checkboxClass} ref={checkboxRef} />
{children.length ? <span>{children}</span> : null}
</label>
);
};
},
});