394 lines
13 KiB
Vue
394 lines
13 KiB
Vue
import TransBtn from './TransBtn';
|
|
|
|
import KeyCode from '../_util/KeyCode';
|
|
import classNames from '../_util/classNames';
|
|
import pickAttrs from '../_util/pickAttrs';
|
|
import { isValidElement } from '../_util/props-util';
|
|
import createRef from '../_util/createRef';
|
|
import { computed, defineComponent, nextTick, reactive, toRaw, watch } from 'vue';
|
|
import List from '../vc-virtual-list';
|
|
import useMemo from '../_util/hooks/useMemo';
|
|
import { isPlatformMac } from './utils/platformUtil';
|
|
|
|
import type { EventHandler } from '../_util/EventInterface';
|
|
import omit from '../_util/omit';
|
|
import useBaseProps from './hooks/useBaseProps';
|
|
import type { RawValueType } from './Select';
|
|
import useSelectProps from './SelectContext';
|
|
import type { ScrollConfig } from '../vc-virtual-list/List';
|
|
|
|
export interface RefOptionListProps {
|
|
onKeydown: (e?: KeyboardEvent) => void;
|
|
onKeyup: (e?: KeyboardEvent) => void;
|
|
scrollTo?: (index: number | ScrollConfig) => void;
|
|
}
|
|
function isTitleType(content: any) {
|
|
return typeof content === 'string' || typeof content === 'number';
|
|
}
|
|
|
|
// export interface OptionListProps<OptionsType extends object[]> {
|
|
export type OptionListProps = Record<string, never>;
|
|
|
|
/**
|
|
* Using virtual list of option display.
|
|
* Will fallback to dom if use customize render.
|
|
*/
|
|
const OptionList = defineComponent({
|
|
compatConfig: { MODE: 3 },
|
|
name: 'OptionList',
|
|
inheritAttrs: false,
|
|
setup(_, { expose, slots }) {
|
|
const baseProps = useBaseProps();
|
|
const props = useSelectProps();
|
|
const itemPrefixCls = computed(() => `${baseProps.prefixCls}-item`);
|
|
|
|
const memoFlattenOptions = useMemo(
|
|
() => props.flattenOptions,
|
|
[() => baseProps.open, () => props.flattenOptions],
|
|
next => next[0],
|
|
);
|
|
|
|
// =========================== List ===========================
|
|
const listRef = createRef();
|
|
|
|
const onListMouseDown: EventHandler = event => {
|
|
event.preventDefault();
|
|
};
|
|
|
|
const scrollIntoView = (args: number | ScrollConfig) => {
|
|
if (listRef.current) {
|
|
listRef.current.scrollTo(typeof args === 'number' ? { index: args } : args);
|
|
}
|
|
};
|
|
|
|
// ========================== Active ==========================
|
|
const getEnabledActiveIndex = (index: number, offset = 1) => {
|
|
const len = memoFlattenOptions.value.length;
|
|
|
|
for (let i = 0; i < len; i += 1) {
|
|
const current = (index + i * offset + len) % len;
|
|
|
|
const { group, data } = memoFlattenOptions.value[current];
|
|
if (!group && !data.disabled) {
|
|
return current;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
};
|
|
const state = reactive({
|
|
activeIndex: getEnabledActiveIndex(0),
|
|
});
|
|
|
|
const setActive = (index: number, fromKeyboard = false) => {
|
|
state.activeIndex = index;
|
|
const info = { source: fromKeyboard ? ('keyboard' as const) : ('mouse' as const) };
|
|
|
|
// Trigger active event
|
|
const flattenItem = memoFlattenOptions.value[index];
|
|
if (!flattenItem) {
|
|
props.onActiveValue(null, -1, info);
|
|
return;
|
|
}
|
|
|
|
props.onActiveValue(flattenItem.value, index, info);
|
|
};
|
|
|
|
// Auto active first item when list length or searchValue changed
|
|
|
|
watch(
|
|
[() => memoFlattenOptions.value.length, () => baseProps.searchValue],
|
|
() => {
|
|
setActive(props.defaultActiveFirstOption !== false ? getEnabledActiveIndex(0) : -1);
|
|
},
|
|
{ immediate: true },
|
|
);
|
|
|
|
// https://github.com/ant-design/ant-design/issues/34975
|
|
const isSelected = (value: RawValueType) =>
|
|
props.rawValues.has(value) && baseProps.mode !== 'combobox';
|
|
|
|
// Auto scroll to item position in single mode
|
|
watch(
|
|
[() => baseProps.open, () => baseProps.searchValue],
|
|
() => {
|
|
if (!baseProps.multiple && baseProps.open && props.rawValues.size === 1) {
|
|
const value = Array.from(props.rawValues)[0];
|
|
const index = toRaw(memoFlattenOptions.value).findIndex(
|
|
({ data }) => data[props.fieldNames.value] === value,
|
|
);
|
|
if (index !== -1) {
|
|
setActive(index);
|
|
nextTick(() => {
|
|
scrollIntoView(index);
|
|
});
|
|
}
|
|
}
|
|
// Force trigger scrollbar visible when open
|
|
if (baseProps.open) {
|
|
nextTick(() => {
|
|
listRef.current?.scrollTo(undefined);
|
|
});
|
|
}
|
|
},
|
|
{ immediate: true, flush: 'post' },
|
|
);
|
|
|
|
// ========================== Values ==========================
|
|
const onSelectValue = (value?: RawValueType) => {
|
|
if (value !== undefined) {
|
|
props.onSelect(value, { selected: !props.rawValues.has(value) });
|
|
}
|
|
|
|
// Single mode should always close by select
|
|
if (!baseProps.multiple) {
|
|
baseProps.toggleOpen(false);
|
|
}
|
|
};
|
|
const getLabel = (item: Record<string, any>) =>
|
|
typeof item.label === 'function' ? item.label() : item.label;
|
|
function renderItem(index: number) {
|
|
const item = memoFlattenOptions.value[index];
|
|
if (!item) return null;
|
|
|
|
const itemData = item.data || {};
|
|
const { value } = itemData;
|
|
const { group } = item;
|
|
const attrs = pickAttrs(itemData, true);
|
|
const mergedLabel = getLabel(item);
|
|
return item ? (
|
|
<div
|
|
aria-label={typeof mergedLabel === 'string' && !group ? mergedLabel : null}
|
|
{...attrs}
|
|
key={index}
|
|
role={group ? 'presentation' : 'option'}
|
|
id={`${baseProps.id}_list_${index}`}
|
|
aria-selected={isSelected(value)}
|
|
>
|
|
{value}
|
|
</div>
|
|
) : null;
|
|
}
|
|
const onKeydown = (event: KeyboardEvent) => {
|
|
const { which, ctrlKey } = event;
|
|
switch (which) {
|
|
// >>> Arrow keys & ctrl + n/p on Mac
|
|
case KeyCode.N:
|
|
case KeyCode.P:
|
|
case KeyCode.UP:
|
|
case KeyCode.DOWN: {
|
|
let offset = 0;
|
|
if (which === KeyCode.UP) {
|
|
offset = -1;
|
|
} else if (which === KeyCode.DOWN) {
|
|
offset = 1;
|
|
} else if (isPlatformMac() && ctrlKey) {
|
|
if (which === KeyCode.N) {
|
|
offset = 1;
|
|
} else if (which === KeyCode.P) {
|
|
offset = -1;
|
|
}
|
|
}
|
|
|
|
if (offset !== 0) {
|
|
const nextActiveIndex = getEnabledActiveIndex(state.activeIndex + offset, offset);
|
|
scrollIntoView(nextActiveIndex);
|
|
setActive(nextActiveIndex, true);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
// >>> Select
|
|
case KeyCode.ENTER: {
|
|
// value
|
|
const item = memoFlattenOptions.value[state.activeIndex];
|
|
if (item && !item.data.disabled) {
|
|
onSelectValue(item.value);
|
|
} else {
|
|
onSelectValue(undefined);
|
|
}
|
|
|
|
if (baseProps.open) {
|
|
event.preventDefault();
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
// >>> Close
|
|
case KeyCode.ESC: {
|
|
baseProps.toggleOpen(false);
|
|
if (baseProps.open) {
|
|
event.stopPropagation();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
const onKeyup = () => {};
|
|
|
|
const scrollTo = (index: number) => {
|
|
scrollIntoView(index);
|
|
};
|
|
expose({
|
|
onKeydown,
|
|
onKeyup,
|
|
scrollTo,
|
|
});
|
|
return () => {
|
|
// const {
|
|
// renderItem,
|
|
// listRef,
|
|
// onListMouseDown,
|
|
// itemPrefixCls,
|
|
// setActive,
|
|
// onSelectValue,
|
|
// memoFlattenOptions,
|
|
// $slots,
|
|
// } = this as any;
|
|
const { id, notFoundContent, onPopupScroll } = baseProps;
|
|
const { menuItemSelectedIcon, fieldNames, virtual, listHeight, listItemHeight } = props;
|
|
|
|
const renderOption = slots.option;
|
|
const { activeIndex } = state;
|
|
const omitFieldNameList = Object.keys(fieldNames).map(key => fieldNames[key]);
|
|
// ========================== Render ==========================
|
|
if (memoFlattenOptions.value.length === 0) {
|
|
return (
|
|
<div
|
|
role="listbox"
|
|
id={`${id}_list`}
|
|
class={`${itemPrefixCls.value}-empty`}
|
|
onMousedown={onListMouseDown}
|
|
>
|
|
{notFoundContent}
|
|
</div>
|
|
);
|
|
}
|
|
return (
|
|
<>
|
|
<div role="listbox" id={`${id}_list`} style={{ height: 0, width: 0, overflow: 'hidden' }}>
|
|
{renderItem(activeIndex - 1)}
|
|
{renderItem(activeIndex)}
|
|
{renderItem(activeIndex + 1)}
|
|
</div>
|
|
<List
|
|
itemKey="key"
|
|
ref={listRef}
|
|
data={memoFlattenOptions.value}
|
|
height={listHeight}
|
|
itemHeight={listItemHeight}
|
|
fullHeight={false}
|
|
onMousedown={onListMouseDown}
|
|
onScroll={onPopupScroll}
|
|
virtual={virtual}
|
|
v-slots={{
|
|
default: (item, itemIndex) => {
|
|
const { group, groupOption, data, value } = item;
|
|
const { key } = data;
|
|
const label = typeof item.label === 'function' ? item.label() : item.label;
|
|
// Group
|
|
if (group) {
|
|
const groupTitle = data.title ?? (isTitleType(label) && label);
|
|
return (
|
|
<div
|
|
class={classNames(itemPrefixCls.value, `${itemPrefixCls.value}-group`)}
|
|
title={groupTitle}
|
|
>
|
|
{renderOption ? renderOption(data) : label !== undefined ? label : key}
|
|
</div>
|
|
);
|
|
}
|
|
|
|
const {
|
|
disabled,
|
|
title,
|
|
children,
|
|
style,
|
|
class: cls,
|
|
className,
|
|
...otherProps
|
|
} = data;
|
|
const passedProps = omit(otherProps, omitFieldNameList);
|
|
// Option
|
|
const selected = isSelected(value);
|
|
|
|
const optionPrefixCls = `${itemPrefixCls.value}-option`;
|
|
const optionClassName = classNames(
|
|
itemPrefixCls.value,
|
|
optionPrefixCls,
|
|
cls,
|
|
className,
|
|
{
|
|
[`${optionPrefixCls}-grouped`]: groupOption,
|
|
[`${optionPrefixCls}-active`]: activeIndex === itemIndex && !disabled,
|
|
[`${optionPrefixCls}-disabled`]: disabled,
|
|
[`${optionPrefixCls}-selected`]: selected,
|
|
},
|
|
);
|
|
|
|
const mergedLabel = getLabel(item);
|
|
|
|
const iconVisible =
|
|
!menuItemSelectedIcon || typeof menuItemSelectedIcon === 'function' || selected;
|
|
|
|
// https://github.com/ant-design/ant-design/issues/34145
|
|
const content =
|
|
typeof mergedLabel === 'number' ? mergedLabel : mergedLabel || value;
|
|
// https://github.com/ant-design/ant-design/issues/26717
|
|
let optionTitle = isTitleType(content) ? content.toString() : undefined;
|
|
if (title !== undefined) {
|
|
optionTitle = title;
|
|
}
|
|
|
|
return (
|
|
<div
|
|
{...passedProps}
|
|
aria-selected={selected}
|
|
class={optionClassName}
|
|
title={optionTitle}
|
|
onMousemove={e => {
|
|
if (otherProps.onMousemove) {
|
|
otherProps.onMousemove(e);
|
|
}
|
|
if (activeIndex === itemIndex || disabled) {
|
|
return;
|
|
}
|
|
setActive(itemIndex);
|
|
}}
|
|
onClick={e => {
|
|
if (!disabled) {
|
|
onSelectValue(value);
|
|
}
|
|
if (otherProps.onClick) {
|
|
otherProps.onClick(e);
|
|
}
|
|
}}
|
|
style={style}
|
|
>
|
|
<div class={`${optionPrefixCls}-content`}>
|
|
{renderOption ? renderOption(data) : content}
|
|
</div>
|
|
{isValidElement(menuItemSelectedIcon) || selected}
|
|
{iconVisible && (
|
|
<TransBtn
|
|
class={`${itemPrefixCls.value}-option-state`}
|
|
customizeIcon={menuItemSelectedIcon}
|
|
customizeIconProps={{ isSelected: selected }}
|
|
>
|
|
{selected ? 'â' : null}
|
|
</TransBtn>
|
|
)}
|
|
</div>
|
|
);
|
|
},
|
|
}}
|
|
></List>
|
|
</>
|
|
);
|
|
};
|
|
},
|
|
});
|
|
|
|
export default OptionList;
|