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https://gitee.com/ant-design-vue/ant-design-vue.git
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118 lines
3.9 KiB
Vue
118 lines
3.9 KiB
Vue
import { computed, ref, watch, defineComponent, provide } from 'vue';
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import Checkbox from './Checkbox';
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import { useInjectFormItemContext } from '../form/FormItemContext';
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import useConfigInject from '../config-provider/hooks/useConfigInject';
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import type { CheckboxOptionType } from './interface';
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import { CheckboxGroupContextKey, checkboxGroupProps } from './interface';
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export default defineComponent({
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compatConfig: { MODE: 3 },
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name: 'ACheckboxGroup',
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props: checkboxGroupProps(),
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// emits: ['change', 'update:value'],
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setup(props, { slots, emit, expose }) {
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const formItemContext = useInjectFormItemContext();
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const { prefixCls, direction } = useConfigInject('checkbox', props);
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const mergedValue = ref((props.value === undefined ? props.defaultValue : props.value) || []);
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watch(
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() => props.value,
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() => {
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mergedValue.value = props.value || [];
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},
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);
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const options = computed(() => {
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return props.options.map(option => {
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if (typeof option === 'string' || typeof option === 'number') {
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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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const triggerUpdate = ref(Symbol());
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const registeredValuesMap = ref<Map<Symbol, string>>(new Map());
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const cancelValue = (id: Symbol) => {
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registeredValuesMap.value.delete(id);
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triggerUpdate.value = Symbol();
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};
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const registerValue = (id: Symbol, value: string) => {
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registeredValuesMap.value.set(id, value);
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triggerUpdate.value = Symbol();
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};
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const registeredValues = ref(new Map());
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watch(triggerUpdate, () => {
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const valuseMap = new Map();
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for (const value of registeredValuesMap.value.values()) {
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valuseMap.set(value, true);
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}
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registeredValues.value = valuseMap;
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});
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const toggleOption = (option: CheckboxOptionType) => {
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const optionIndex = mergedValue.value.indexOf(option.value);
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const value = [...mergedValue.value];
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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 (props.value === undefined) {
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mergedValue.value = value;
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}
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const val = value
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.filter(val => registeredValues.value.has(val))
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.sort((a, b) => {
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const indexA = options.value.findIndex(opt => opt.value === a);
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const indexB = options.value.findIndex(opt => opt.value === b);
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return indexA - indexB;
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});
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emit('update:value', val);
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emit('change', val);
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formItemContext.onFieldChange();
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};
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provide(CheckboxGroupContextKey, {
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cancelValue,
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registerValue,
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toggleOption,
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mergedValue,
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name: computed(() => props.name),
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disabled: computed(() => props.disabled),
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});
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expose({
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mergedValue,
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});
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return () => {
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const { id = formItemContext.id.value } = props;
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let children = null;
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const groupPrefixCls = `${prefixCls.value}-group`;
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if (options.value && options.value.length > 0) {
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children = options.value.map(option => (
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<Checkbox
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prefixCls={prefixCls.value}
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key={option.value.toString()}
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disabled={'disabled' in option ? option.disabled : props.disabled}
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indeterminate={option.indeterminate}
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value={option.value}
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checked={mergedValue.value.indexOf(option.value) !== -1}
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onChange={option.onChange}
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class={`${groupPrefixCls}-item`}
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>
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{option.label === undefined ? slots.label?.(option) : 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
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class={[groupPrefixCls, { [`${groupPrefixCls}-rtl`]: direction.value === 'rtl' }]}
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id={id}
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>
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{children || slots.default?.()}
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</div>
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);
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};
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},
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});
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