vxe-pc-ui
Version:
A vue based PC component library
1,251 lines • 68.3 kB
JavaScript
import { h, Teleport, ref, inject, computed, provide, onUnmounted, reactive, nextTick, watch, onMounted } from 'vue';
import { defineVxeComponent } from '../../ui/src/comp';
import XEUtils from 'xe-utils';
import { VxeUI, getConfig, getIcon, getI18n, globalEvents, GLOBAL_EVENT_KEYS, createEvent, useSize, renderEmptyElement } from '../../ui';
import { getEventTargetNode, toCssUnit, updatePanelPlacement } from '../../ui/src/dom';
import { getLastZIndex, nextZIndex, getFuncText, eqEmptyValue } from '../../ui/src/utils';
import { getSlotVNs } from '../../ui/src/vn';
import { errLog } from '../../ui/src/log';
import VxeInputComponent from '../../input/src/input';
import VxeButtonComponent from '../../button/src/button';
function isOptionVisible(option) {
return option.visible !== false;
}
function getOptUniqueId() {
return XEUtils.uniqueId('opt_');
}
function createInternalData() {
return {
// isLoaded: false,
synchData: [],
fullData: [],
afterVisibleList: [],
optAddMaps: {},
optGroupKeyMaps: {},
optFullValMaps: {},
remoteValMaps: {},
lastScrollLeft: 0,
lastScrollTop: 0,
scrollYStore: {
startIndex: 0,
endIndex: 0,
visibleSize: 0,
offsetSize: 0,
rowHeight: 0
},
lastScrollTime: 0,
hpTimeout: undefined
};
}
export default defineVxeComponent({
name: 'VxeSelect',
props: {
modelValue: [String, Number, Boolean, Array],
defaultConfig: Object,
clearable: Boolean,
placeholder: String,
readonly: {
type: Boolean,
default: null
},
loading: Boolean,
disabled: {
type: Boolean,
default: null
},
multiple: Boolean,
multiCharOverflow: {
type: [Number, String],
default: () => getConfig().select.multiCharOverflow
},
prefixIcon: String,
allowCreate: {
type: Boolean,
default: () => getConfig().select.allowCreate
},
placement: String,
lazyOptions: Array,
options: Array,
optionProps: Object,
optionGroups: Array,
optionGroupProps: Object,
optionConfig: Object,
className: [String, Function],
/**
* 已废弃，请使用 popupConfig.className
* @deprecated
*/
popupClassName: [String, Function],
max: {
type: [String, Number],
default: null
},
/**
* 已废弃，请使用 popupConfig.zIndex
* @deprecated
*/
zIndex: Number,
size: {
type: String,
default: () => getConfig().select.size || getConfig().size
},
filterable: Boolean,
/**
* 已废弃，被 filter-config.filterMethod 替换
* @deprecated
*/
filterMethod: Function,
filterConfig: Object,
remote: Boolean,
remoteConfig: Object,
emptyText: String,
showTotalButoon: {
type: Boolean,
default: () => getConfig().select.showTotalButoon
},
showCheckedButoon: {
type: Boolean,
default: () => getConfig().select.showCheckedButoon
},
showClearButton: {
type: Boolean,
default: () => getConfig().select.showClearButton
},
transfer: {
type: Boolean,
default: null
},
popupConfig: Object,
virtualYConfig: Object,
scrollY: Object,
/**
* 已废弃，被 remote-config.queryMethod 替换
* @deprecated
*/
remoteMethod: Function,
/**
* 已废弃，被 option-config.keyField 替换
* @deprecated
*/
optionId: {
type: String,
default: () => getConfig().select.optionId
},
/**
* 已废弃，被 option-config.useKey 替换
* @deprecated
*/
optionKey: Boolean
},
emits: [
'update:modelValue',
'change',
'default-change',
'all-change',
'clear',
'blur',
'focus',
'click',
'scroll',
'visible-change'
],
setup(props, context) {
const { slots, emit } = context;
const $xeModal = inject('$xeModal', null);
const $xeDrawer = inject('$xeDrawer', null);
const $xeTable = inject('$xeTable', null);
const $xeForm = inject('$xeForm', null);
const formItemInfo = inject('xeFormItemInfo', null);
const xID = XEUtils.uniqueId();
const refElem = ref();
const refInput = ref();
const refInpSearch = ref();
const refVirtualWrapper = ref();
const refOptionPanel = ref();
const refVirtualBody = ref();
const { computeSize } = useSize(props);
const reactData = reactive({
initialized: false,
scrollYLoad: false,
bodyHeight: 0,
topSpaceHeight: 0,
optList: [],
staticOptions: [],
reactFlag: 0,
currentOption: null,
searchValue: '',
searchLoading: false,
panelIndex: 0,
panelStyle: {},
panelPlacement: null,
triggerFocusPanel: false,
visiblePanel: false,
isAniVisible: false,
isActivated: false
});
const internalData = createInternalData();
const refMaps = {
refElem
};
const $xeSelect = {
xID,
props,
context,
reactData,
internalData,
getRefMaps: () => refMaps
};
const computeFormReadonly = computed(() => {
const { readonly } = props;
if (readonly === null) {
if ($xeForm) {
return $xeForm.props.readonly;
}
return false;
}
return readonly;
});
const computeIsDisabled = computed(() => {
const { disabled } = props;
if (disabled === null) {
if ($xeForm) {
return $xeForm.props.disabled;
}
return false;
}
return disabled;
});
const computeBtnTransfer = computed(() => {
const { transfer } = props;
const popupOpts = computePopupOpts.value;
if (XEUtils.isBoolean(popupOpts.transfer)) {
return popupOpts.transfer;
}
if (transfer === null) {
const globalTransfer = getConfig().select.transfer;
if (XEUtils.isBoolean(globalTransfer)) {
return globalTransfer;
}
if ($xeTable || $xeModal || $xeDrawer || $xeForm) {
return true;
}
}
return transfer;
});
const computeInpPlaceholder = computed(() => {
const { placeholder } = props;
if (placeholder) {
return getFuncText(placeholder);
}
const globalPlaceholder = getConfig().select.placeholder;
if (globalPlaceholder) {
return getFuncText(globalPlaceholder);
}
return getI18n('vxe.base.pleaseSelect');
});
const computeDefaultOpts = computed(() => {
return Object.assign({}, props.defaultConfig);
});
const computePropsOpts = computed(() => {
return Object.assign({}, props.optionProps);
});
const computeGroupPropsOpts = computed(() => {
return Object.assign({}, props.optionGroupProps);
});
const computeLabelField = computed(() => {
const propsOpts = computePropsOpts.value;
return propsOpts.label || 'label';
});
const computeValueField = computed(() => {
const propsOpts = computePropsOpts.value;
return propsOpts.value || 'value';
});
const computeGroupLabelField = computed(() => {
const groupPropsOpts = computeGroupPropsOpts.value;
return groupPropsOpts.label || 'label';
});
const computeGroupOptionsField = computed(() => {
const groupPropsOpts = computeGroupPropsOpts.value;
return groupPropsOpts.options || 'options';
});
const computeIsMaximize = computed(() => {
const selectVals = computeSelectVals.value;
return checkMaxLimit(selectVals);
});
const computePopupOpts = computed(() => {
return Object.assign({}, getConfig().select.popupConfig, props.popupConfig);
});
const computeVirtualYOpts = computed(() => {
return Object.assign({}, getConfig().select.virtualYConfig || getConfig().select.scrollY, props.virtualYConfig || props.scrollY);
});
const computeRemoteOpts = computed(() => {
return Object.assign({}, getConfig().select.remoteConfig, props.remoteConfig);
});
const computeFilterOpts = computed(() => {
return Object.assign({}, getConfig().select.filterConfig, props.filterConfig);
});
const computeOptionOpts = computed(() => {
return Object.assign({}, getConfig().select.optionConfig, props.optionConfig);
});
const computeMultiMaxCharNum = computed(() => {
return XEUtils.toNumber(props.multiCharOverflow);
});
const computePopupWrapperStyle = computed(() => {
const popupOpts = computePopupOpts.value;
const { height, width } = popupOpts;
const stys = {};
if (width) {
stys.width = toCssUnit(width);
}
if (height) {
stys.height = toCssUnit(height);
stys.maxHeight = toCssUnit(height);
}
return stys;
});
const computeSelectVals = computed(() => {
const { modelValue, multiple } = props;
let vals = [];
if (XEUtils.isArray(modelValue)) {
vals = modelValue;
}
else {
if (multiple) {
if (!eqEmptyValue(modelValue)) {
vals = `${modelValue}`.indexOf(',') > -1 ? `${modelValue}`.split(',') : [modelValue];
}
}
else {
vals = modelValue === null || modelValue === undefined ? [] : [modelValue];
}
}
return vals;
});
const computeFullLabel = computed(() => {
const { remote } = props;
const { reactFlag } = reactData;
const selectVals = computeSelectVals.value;
if (remote && reactFlag) {
return selectVals.map(val => getRemoteSelectLabel(val)).join(', ');
}
return selectVals.map((val) => getSelectLabel(val)).join(', ');
});
const computeSelectLabel = computed(() => {
const { remote, multiple } = props;
const { reactFlag } = reactData;
const multiMaxCharNum = computeMultiMaxCharNum.value;
const selectVals = computeSelectVals.value;
if (remote && reactFlag) {
return selectVals.map(val => getRemoteSelectLabel(val)).join(', ');
}
const labels = selectVals.map((val) => getSelectLabel(val));
if (multiple && multiMaxCharNum > 0 && labels.length > multiMaxCharNum) {
return `${labels.slice(0, multiMaxCharNum)}...`;
}
return labels.join(', ');
});
const callSlot = (slotFunc, params) => {
if (slotFunc) {
if (XEUtils.isString(slotFunc)) {
slotFunc = slots[slotFunc] || null;
}
if (XEUtils.isFunction(slotFunc)) {
return getSlotVNs(slotFunc(params));
}
}
return [];
};
const dispatchEvent = (type, params, evnt) => {
emit(type, createEvent(evnt, { $select: $xeSelect }, params));
};
const emitModel = (value) => {
emit('update:modelValue', value);
};
const emitDefaultValue = (value) => {
emitModel(value);
dispatchEvent('default-change', { value }, null);
};
const getOptKey = () => {
const optionOpts = computeOptionOpts.value;
return optionOpts.keyField || props.optionId || '_X_OPTION_KEY';
};
const getOptId = (option) => {
const optid = option[getOptKey()];
return optid ? encodeURIComponent(optid) : '';
};
const checkMaxLimit = (selectVals) => {
const { multiple, max } = props;
if (multiple && max) {
return selectVals.length >= XEUtils.toNumber(max);
}
return false;
};
const getRemoteSelectLabel = (value) => {
const { lazyOptions } = props;
const { remoteValMaps, optFullValMaps } = internalData;
const valueField = computeValueField.value;
const labelField = computeLabelField.value;
const remoteItem = remoteValMaps[value] || optFullValMaps[value];
const item = remoteItem ? remoteItem.item : null;
if (item) {
return XEUtils.toValueString(item[labelField]);
}
if (lazyOptions) {
const lazyItem = lazyOptions.find(item => item[valueField] === value);
if (lazyItem) {
return lazyItem[labelField];
}
}
return value;
};
const getSelectLabel = (value) => {
const { lazyOptions } = props;
const { optFullValMaps } = internalData;
const valueField = computeValueField.value;
const labelField = computeLabelField.value;
const cacheItem = reactData.reactFlag ? optFullValMaps[value] : null;
if (cacheItem) {
return cacheItem.item[labelField];
}
if (lazyOptions) {
const lazyItem = lazyOptions.find(item => item[valueField] === value);
if (lazyItem) {
return lazyItem[labelField];
}
}
return value;
};
const cacheItemMap = (datas) => {
const groupOptionsField = computeGroupOptionsField.value;
const valueField = computeValueField.value;
const key = getOptKey();
const groupKeyMaps = {};
const fullKeyMaps = {};
const list = [];
const handleOptItem = (item) => {
list.push(item);
let optid = getOptId(item);
if (!optid) {
optid = getOptUniqueId();
item[key] = optid;
}
fullKeyMaps[item[valueField]] = {
key: optid,
item,
_index: -1
};
};
datas.forEach((group) => {
handleOptItem(group);
if (group[groupOptionsField]) {
groupKeyMaps[group[key]] = group;
group[groupOptionsField].forEach(handleOptItem);
}
});
internalData.fullData = list;
internalData.optGroupKeyMaps = groupKeyMaps;
internalData.optFullValMaps = fullKeyMaps;
reactData.reactFlag++;
handleOption();
};
/**
* 处理选项，当选项被动态显示/隐藏时可能会用到
*/
const handleOption = () => {
const { remote, modelValue, filterable } = props;
const { searchValue } = reactData;
const { fullData, optFullValMaps } = internalData;
const labelField = computeLabelField.value;
const valueField = computeValueField.value;
const filterOpts = computeFilterOpts.value;
const frMethod = filterOpts.filterMethod || props.filterMethod;
const searchStr = `${searchValue || ''}`.toLowerCase();
let avList = [];
if (remote) {
avList = fullData.filter(isOptionVisible);
}
else {
if (filterable && frMethod) {
avList = fullData.filter(option => isOptionVisible(option) && frMethod({ $select: $xeSelect, group: null, option, searchValue, value: modelValue }));
}
else if (filterable) {
avList = fullData.filter(option => isOptionVisible(option) && (!searchStr || `${option[labelField] || option[valueField]}`.toLowerCase().indexOf(searchStr) > -1));
}
else {
avList = fullData.filter(isOptionVisible);
}
}
avList.forEach((item, index) => {
const cacheItem = optFullValMaps[item[valueField]];
if (cacheItem) {
cacheItem._index = index;
}
});
internalData.afterVisibleList = avList;
return nextTick();
};
const setCurrentOption = (option) => {
if (option) {
reactData.currentOption = option;
}
};
const updateZIndex = () => {
const popupOpts = computePopupOpts.value;
const customZIndex = popupOpts.zIndex || props.zIndex;
if (customZIndex) {
reactData.panelIndex = XEUtils.toNumber(customZIndex);
}
else if (reactData.panelIndex < getLastZIndex()) {
reactData.panelIndex = nextZIndex();
}
};
const updatePlacement = () => {
const { placement } = props;
const { panelIndex } = reactData;
const targetElem = refElem.value;
const panelElem = refOptionPanel.value;
const btnTransfer = computeBtnTransfer.value;
const popupOpts = computePopupOpts.value;
const handleStyle = () => {
const ppObj = updatePanelPlacement(targetElem, panelElem, {
placement: popupOpts.placement || placement,
defaultPlacement: popupOpts.defaultPlacement,
teleportTo: btnTransfer
});
const panelStyle = Object.assign(ppObj.style, {
zIndex: panelIndex
});
reactData.panelStyle = panelStyle;
reactData.panelPlacement = ppObj.placement;
};
handleStyle();
return nextTick().then(handleStyle);
};
const handleScrollSelect = () => {
nextTick(() => {
const { isAniVisible, visiblePanel } = reactData;
const { optFullValMaps } = internalData;
const selectVals = computeSelectVals.value;
if (selectVals.length && isAniVisible && visiblePanel) {
const cacheItem = reactData.reactFlag ? optFullValMaps[`${selectVals[0]}`] : null;
if (cacheItem) {
handleScrollToOption(cacheItem.item);
}
}
});
};
const showOptionPanel = () => {
const { loading, filterable, remote } = props;
const { fullData, hpTimeout } = internalData;
const isDisabled = computeIsDisabled.value;
const remoteOpts = computeRemoteOpts.value;
if (!loading && !isDisabled) {
if (hpTimeout) {
clearTimeout(hpTimeout);
internalData.hpTimeout = undefined;
}
if (!reactData.initialized) {
reactData.initialized = true;
}
reactData.isActivated = true;
reactData.isAniVisible = true;
if (filterable) {
if (remote && remoteOpts.enabled && ((remoteOpts.autoLoad && !fullData.length) || (fullData.length && remoteOpts.clearOnClose))) {
handleSearchEvent();
}
else {
handleOption();
updateYData();
}
}
setTimeout(() => {
reactData.visiblePanel = true;
handleFocusSearch();
recalculate().then(() => {
handleScrollSelect();
refreshScroll();
});
updatePlacement();
}, 10);
setTimeout(() => {
recalculate().then(() => refreshScroll());
}, 100);
updateZIndex();
updatePlacement();
dispatchEvent('visible-change', { visible: true }, null);
}
};
const hideOptionPanel = () => {
const { filterable, remote } = props;
const filterOpts = computeFilterOpts.value;
const remoteOpts = computeRemoteOpts.value;
if (remote) {
if (remoteOpts.clearOnClose) {
reactData.searchValue = '';
}
}
else if (filterable) {
if (filterOpts.clearOnClose) {
reactData.searchValue = '';
}
}
else {
reactData.searchValue = '';
}
reactData.searchLoading = false;
reactData.visiblePanel = false;
internalData.hpTimeout = setTimeout(() => {
reactData.isAniVisible = false;
}, 350);
dispatchEvent('visible-change', { visible: false }, null);
};
const changeEvent = (evnt, selectValue, option) => {
emitModel(selectValue);
if (selectValue !== props.modelValue) {
dispatchEvent('change', { value: selectValue, option }, evnt);
// 自动更新校验状态
if ($xeForm && formItemInfo) {
$xeForm.triggerItemEvent(evnt, formItemInfo.itemConfig.field, selectValue);
}
}
};
const clearValueEvent = (evnt, selectValue) => {
internalData.remoteValMaps = {};
changeEvent(evnt, selectValue, null);
dispatchEvent('clear', { value: selectValue }, evnt);
};
const clearEvent = (params) => {
const { $event } = params;
clearValueEvent($event, null);
hideOptionPanel();
};
const allCheckedPanelEvent = (params) => {
const { $event } = params;
const { multiple, max } = props;
const { optList } = reactData;
const valueField = computeValueField.value;
if (multiple) {
const selectVals = computeSelectVals.value;
const currVlas = selectVals.slice(0);
for (let i = 0; i < optList.length; i++) {
const option = optList[i];
const selectValue = option[valueField];
// 检测是否超过最大可选数量
if (checkMaxLimit(currVlas)) {
if (VxeUI) {
VxeUI.modal.message({
content: getI18n('vxe.select.overSizeErr', [max]),
status: 'warning'
});
}
break;
}
if (!currVlas.some(val => val === selectValue)) {
currVlas.push(selectValue);
}
}
changeEvent($event, currVlas, optList[0]);
dispatchEvent('all-change', { value: currVlas }, $event);
}
};
const clearCheckedPanelEvent = (params) => {
const { $event } = params;
clearValueEvent($event, null);
hideOptionPanel();
};
const changeOptionEvent = (evnt, option) => {
const { multiple } = props;
const { remoteValMaps } = internalData;
const valueField = computeValueField.value;
const selectValue = option[valueField];
const remoteItem = remoteValMaps[selectValue];
if (!reactData.visiblePanel) {
return;
}
if (remoteItem) {
remoteItem.item = option;
}
else {
remoteValMaps[selectValue] = {
key: getOptId(option),
item: option,
_index: -1
};
}
if (multiple) {
let multipleValue = [];
const selectVals = computeSelectVals.value;
const index = XEUtils.findIndexOf(selectVals, val => val === selectValue);
if (index === -1) {
multipleValue = selectVals.concat([selectValue]);
}
else {
multipleValue = selectVals.filter((val) => val !== selectValue);
}
changeEvent(evnt, multipleValue, option);
}
else {
changeEvent(evnt, selectValue, option);
hideOptionPanel();
}
reactData.reactFlag++;
};
const handleGlobalMousewheelEvent = (evnt) => {
const { visiblePanel } = reactData;
const isDisabled = computeIsDisabled.value;
if (!isDisabled) {
if (visiblePanel) {
const panelElem = refOptionPanel.value;
if (getEventTargetNode(evnt, panelElem).flag) {
updatePlacement();
}
else {
hideOptionPanel();
}
}
}
};
const handleGlobalMousedownEvent = (evnt) => {
const { visiblePanel } = reactData;
const isDisabled = computeIsDisabled.value;
const popupOpts = computePopupOpts.value;
const { trigger } = popupOpts;
if (!isDisabled) {
const el = refElem.value;
const panelElem = refOptionPanel.value;
reactData.isActivated = getEventTargetNode(evnt, el).flag || getEventTargetNode(evnt, panelElem).flag;
if (visiblePanel && !reactData.isActivated) {
if (trigger !== 'manual') {
hideOptionPanel();
}
}
}
};
const validOffsetOption = (option) => {
const isDisabled = option.disabled;
const optid = getOptId(option);
if (!isDisabled && !hasOptGroupById(optid)) {
return true;
}
return false;
};
const findOffsetOption = (option, isDwArrow) => {
const { allowCreate } = props;
const { optList } = reactData;
const { optFullValMaps, optAddMaps, afterVisibleList } = internalData;
const valueField = computeValueField.value;
let fullList = afterVisibleList;
let offsetAddIndex = 0;
if (allowCreate && optList.length) {
const firstItem = optList[0];
const optid = getOptId(firstItem);
if (optAddMaps[optid]) {
offsetAddIndex = 1;
fullList = [optAddMaps[optid]].concat(fullList);
}
}
if (!option) {
if (isDwArrow) {
for (let i = 0; i < fullList.length; i++) {
const item = fullList[i];
if (validOffsetOption(item)) {
return item;
}
}
}
else {
for (let len = fullList.length - 1; len >= 0; len--) {
const item = fullList[len];
if (validOffsetOption(item)) {
return item;
}
}
}
}
let avIndex = 0;
const cacheItem = option ? optFullValMaps[option[valueField]] : null;
if (cacheItem) {
avIndex = cacheItem._index + offsetAddIndex;
}
if (avIndex > -1) {
if (isDwArrow) {
for (let i = avIndex + 1; i <= fullList.length - 1; i++) {
const item = fullList[i];
if (validOffsetOption(item)) {
return item;
}
}
}
else {
if (avIndex > 0) {
for (let len = avIndex - 1; len >= 0; len--) {
const item = fullList[len];
if (validOffsetOption(item)) {
return item;
}
}
}
}
}
return null;
};
const handleGlobalKeydownEvent = (evnt) => {
const { clearable } = props;
const { visiblePanel, currentOption } = reactData;
const isDisabled = computeIsDisabled.value;
const popupOpts = computePopupOpts.value;
const { trigger } = popupOpts;
if (!isDisabled) {
const isTab = globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.TAB);
const isEnter = globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ENTER);
const isEsc = globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ESCAPE);
const isUpArrow = globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ARROW_UP);
const isDwArrow = globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.ARROW_DOWN);
const isDel = globalEvents.hasKey(evnt, GLOBAL_EVENT_KEYS.DELETE);
if (isTab) {
reactData.isActivated = false;
}
if (visiblePanel) {
if (isEsc || isTab) {
if (trigger !== 'manual') {
hideOptionPanel();
}
}
else if (isEnter) {
if (currentOption) {
evnt.preventDefault();
evnt.stopPropagation();
changeOptionEvent(evnt, currentOption);
}
}
else if (isUpArrow || isDwArrow) {
evnt.preventDefault();
let offsetOption = findOffsetOption(currentOption, isDwArrow);
// 如果不匹配，默认最接近一个
if (!offsetOption) {
offsetOption = findOffsetOption(null, isDwArrow);
}
if (offsetOption) {
setCurrentOption(offsetOption);
handleScrollToOption(offsetOption, isDwArrow);
}
}
}
else if ((isUpArrow || isDwArrow || isEnter) && reactData.isActivated) {
evnt.preventDefault();
showOptionPanel();
}
if (reactData.isActivated) {
if (isDel && clearable) {
clearValueEvent(evnt, null);
}
}
}
};
const handleGlobalBlurEvent = () => {
const { visiblePanel, isActivated } = reactData;
const popupOpts = computePopupOpts.value;
const { trigger } = popupOpts;
if (visiblePanel) {
if (trigger !== 'manual') {
hideOptionPanel();
}
}
if (isActivated) {
reactData.isActivated = false;
}
if (visiblePanel || isActivated) {
const $input = refInput.value;
if ($input) {
$input.blur();
}
}
};
const handleGlobalResizeEvent = () => {
const { visiblePanel } = reactData;
if (visiblePanel) {
updatePlacement();
}
};
const handleFocusSearch = () => {
if (props.filterable) {
nextTick(() => {
const inpSearch = refInpSearch.value;
if (inpSearch) {
inpSearch.focus();
}
});
}
};
const focusEvent = (evnt) => {
const isDisabled = computeIsDisabled.value;
const popupOpts = computePopupOpts.value;
const { trigger } = popupOpts;
if (!isDisabled) {
if (!reactData.visiblePanel) {
if (!trigger || trigger === 'default') {
reactData.triggerFocusPanel = true;
showOptionPanel();
setTimeout(() => {
reactData.triggerFocusPanel = false;
}, 500);
}
}
}
dispatchEvent('focus', {}, evnt);
};
const clickEvent = (evnt) => {
const popupOpts = computePopupOpts.value;
const { trigger } = popupOpts;
if (!trigger || trigger === 'default') {
togglePanelEvent(evnt);
}
dispatchEvent('click', { triggerButton: false, visible: reactData.visiblePanel }, evnt);
};
const blurEvent = (evnt) => {
reactData.isActivated = false;
dispatchEvent('blur', {}, evnt);
};
const suffixClickEvent = (evnt) => {
const popupOpts = computePopupOpts.value;
const { trigger } = popupOpts;
if (!trigger || trigger === 'default' || trigger === 'icon') {
togglePanelEvent(evnt);
}
dispatchEvent('click', { triggerButton: true, visible: reactData.visiblePanel }, evnt);
};
const modelSearchEvent = (value) => {
reactData.searchValue = value;
};
const focusSearchEvent = () => {
reactData.isActivated = true;
};
const handleSearchEvent = () => {
const { modelValue, remote } = props;
const { searchValue } = reactData;
const remoteOpts = computeRemoteOpts.value;
const qyMethod = remoteOpts.queryMethod || props.remoteMethod;
if (remote && qyMethod && remoteOpts.enabled) {
reactData.searchLoading = true;
Promise.resolve(qyMethod({ $select: $xeSelect, searchValue, value: modelValue })).then(() => nextTick())
.catch(() => nextTick())
.finally(() => {
reactData.searchLoading = false;
handleOption();
updateYData();
});
}
else {
handleOption();
updateYData();
}
};
const triggerSearchEvent = XEUtils.debounce(handleSearchEvent, 350, { trailing: true });
const togglePanelEvent = (params) => {
const { $event } = params;
$event.preventDefault();
if (reactData.triggerFocusPanel) {
reactData.triggerFocusPanel = false;
}
else {
if (reactData.visiblePanel) {
hideOptionPanel();
}
else {
showOptionPanel();
}
}
};
const checkOptionDisabled = (isSelected, option) => {
if (option.disabled) {
return true;
}
const isMaximize = computeIsMaximize.value;
if (isMaximize && !isSelected) {
return true;
}
return false;
};
const updateYSpace = () => {
const { scrollYLoad } = reactData;
const { scrollYStore, afterVisibleList } = internalData;
reactData.bodyHeight = scrollYLoad ? afterVisibleList.length * scrollYStore.rowHeight : 0;
reactData.topSpaceHeight = scrollYLoad ? Math.max(scrollYStore.startIndex * scrollYStore.rowHeight, 0) : 0;
};
const handleData = () => {
const { filterable, allowCreate } = props;
const { scrollYLoad, searchValue } = reactData;
const { optAddMaps, scrollYStore, afterVisibleList } = internalData;
const labelField = computeLabelField.value;
const valueField = computeValueField.value;
const restList = scrollYLoad ? afterVisibleList.slice(scrollYStore.startIndex, scrollYStore.endIndex) : afterVisibleList.slice(0);
if (filterable && allowCreate && searchValue) {
if (!restList.some(option => option[labelField] === searchValue)) {
const addItem = optAddMaps[searchValue] || reactive({
[getOptKey()]: searchValue,
[labelField]: searchValue,
[valueField]: searchValue
});
optAddMaps[searchValue] = addItem;
restList.unshift(addItem);
}
}
reactData.optList = restList;
return nextTick();
};
const updateYData = () => {
handleData();
updateYSpace();
};
const computeScrollLoad = () => {
return nextTick().then(() => {
const { scrollYLoad } = reactData;
const { scrollYStore } = internalData;
const virtualBodyElem = refVirtualBody.value;
const virtualYOpts = computeVirtualYOpts.value;
let rowHeight = 0;
let firstItemElem;
if (virtualBodyElem) {
if (!firstItemElem) {
firstItemElem = virtualBodyElem.children[0];
}
}
if (firstItemElem) {
rowHeight = firstItemElem.offsetHeight;
}
rowHeight = Math.max(20, rowHeight);
scrollYStore.rowHeight = rowHeight;
// 计算 Y 逻辑
if (scrollYLoad) {
const scrollBodyElem = refVirtualWrapper.value;
const visibleYSize = Math.max(8, scrollBodyElem ? Math.ceil(scrollBodyElem.clientHeight / rowHeight) : 0);
const offsetYSize = Math.max(0, Math.min(2, XEUtils.toNumber(virtualYOpts.oSize)));
scrollYStore.offsetSize = offsetYSize;
scrollYStore.visibleSize = visibleYSize;
scrollYStore.endIndex = Math.max(scrollYStore.startIndex, visibleYSize + offsetYSize, scrollYStore.endIndex);
updateYData();
}
else {
updateYSpace();
}
});
};
const handleScrollToOption = (option, isDwArrow) => {
const { scrollYLoad } = reactData;
const { optFullValMaps, scrollYStore } = internalData;
const valueField = computeValueField.value;
const cacheItem = optFullValMaps[option[valueField]];
if (cacheItem) {
const optid = cacheItem.key;
const avIndex = cacheItem._index;
if (avIndex > -1) {
const optWrapperElem = refVirtualWrapper.value;
const panelElem = refOptionPanel.value;
if (!panelElem) {
return;
}
const optElem = panelElem.querySelector(`[optid='${optid}']`);
if (optWrapperElem) {
if (optElem) {
const wrapperHeight = optWrapperElem.offsetHeight;
const offsetPadding = 1;
if (isDwArrow) {
if (optElem.offsetTop + optElem.offsetHeight - optWrapperElem.scrollTop > wrapperHeight) {
optWrapperElem.scrollTop = optElem.offsetTop + optElem.offsetHeight - wrapperHeight;
}
else if (optElem.offsetTop + offsetPadding < optWrapperElem.scrollTop || optElem.offsetTop + offsetPadding > optWrapperElem.scrollTop + optWrapperElem.clientHeight) {
optWrapperElem.scrollTop = optElem.offsetTop - offsetPadding;
}
}
else {
if (optElem.offsetTop + offsetPadding < optWrapperElem.scrollTop || optElem.offsetTop + offsetPadding > optWrapperElem.scrollTop + optWrapperElem.clientHeight) {
optWrapperElem.scrollTop = optElem.offsetTop - offsetPadding;
}
else if (optElem.offsetTop + optElem.offsetHeight - optWrapperElem.scrollTop > wrapperHeight) {
optWrapperElem.scrollTop = optElem.offsetTop + optElem.offsetHeight - wrapperHeight;
}
}
}
else if (scrollYLoad) {
if (isDwArrow) {
optWrapperElem.scrollTop = avIndex * scrollYStore.rowHeight - optWrapperElem.clientHeight + scrollYStore.rowHeight;
}
else {
optWrapperElem.scrollTop = avIndex * scrollYStore.rowHeight;
}
}
}
}
}
};
/**
* 如果有滚动条，则滚动到对应的位置
* @param {Number} scrollLeft 左距离
* @param {Number} scrollTop 上距离
*/
const scrollTo = (scrollLeft, scrollTop) => {
const scrollBodyElem = refVirtualWrapper.value;
if (scrollBodyElem) {
if (XEUtils.isNumber(scrollLeft)) {
scrollBodyElem.scrollLeft = scrollLeft;
}
if (XEUtils.isNumber(scrollTop)) {
scrollBodyElem.scrollTop = scrollTop;
}
}
if (reactData.scrollYLoad) {
return new Promise(resolve => {
setTimeout(() => {
nextTick(() => {
resolve();
});
}, 50);
});
}
return nextTick();
};
/**
* 刷新滚动条
*/
const refreshScroll = () => {
const { lastScrollLeft, lastScrollTop } = internalData;
return clearScroll().then(() => {
if (lastScrollLeft || lastScrollTop) {
internalData.lastScrollLeft = 0;
internalData.lastScrollTop = 0;
return scrollTo(lastScrollLeft, lastScrollTop);
}
});
};
/**
* 重新计算列表
*/
const recalculate = () => {
const el = refElem.value;
if (el && el.clientWidth && el.clientHeight) {
return computeScrollLoad();
}
return Promise.resolve();
};
const loadYData = (evnt) => {
const { scrollYStore } = internalData;
const { startIndex, endIndex, visibleSize, offsetSize, rowHeight } = scrollYStore;
const scrollBodyElem = evnt.target;
const scrollTop = scrollBodyElem.scrollTop;
const toVisibleIndex = Math.floor(scrollTop / rowHeight);
const offsetStartIndex = Math.max(0, toVisibleIndex - 1 - offsetSize);
const offsetEndIndex = toVisibleIndex + visibleSize + offsetSize;
if (toVisibleIndex <= startIndex || toVisibleIndex >= endIndex - visibleSize - 1) {
if (startIndex !== offsetStartIndex || endIndex !== offsetEndIndex) {
scrollYStore.startIndex = offsetStartIndex;
scrollYStore.endIndex = offsetEndIndex;
updateYData();
}
}
};
// 滚动、拖动过程中不需要触发
const isVMScrollProcess = () => {
const delayHover = 250;
const { lastScrollTime } = internalData;
return !!(lastScrollTime && Date.now() < lastScrollTime + delayHover);
};
const scrollEvent = (evnt) => {
const scrollBodyElem = evnt.target;
const scrollTop = scrollBodyElem.scrollTop;
const scrollLeft = scrollBodyElem.scrollLeft;
const isX = scrollLeft !== internalData.lastScrollLeft;
const isY = scrollTop !== internalData.lastScrollTop;
internalData.lastScrollTop = scrollTop;
internalData.lastScrollLeft = scrollLeft;
if (reactData.scrollYLoad) {
loadYData(evnt);
}
internalData.lastScrollTime = Date.now();
dispatchEvent('scroll', { scrollLeft, scrollTop, isX, isY }, evnt);
};
/**
* 加载数据
* @param {Array} datas 数据
*/
const loadData = (datas) => {
cacheItemMap(datas || []);
const { multiple } = props;
const { isLoaded, fullData, scrollYStore } = internalData;
const defaultOpts = computeDefaultOpts.value;
const virtualYOpts = computeVirtualYOpts.value;
const valueField = computeValueField.value;
Object.assign(scrollYStore, {
startIndex: 0,
endIndex: 1,
visibleSize: 0
});
internalData.synchData = datas || [];
// 如果gt为0，则总是启用
reactData.scrollYLoad = !!virtualYOpts.enabled && virtualYOpts.gt > -1 && (virtualYOpts.gt === 0 || virtualYOpts.gt <= fullData.length);
handleData();
if (!isLoaded) {
const { selectMode } = defaultOpts;
if (datas.length > 0 && XEUtils.eqNull(props.modelValue)) {
if (selectMode === 'all') {
if (multiple) {
nextTick(() => {
emitDefaultValue(datas.map(item => item[valueField]));
});
}
else {
errLog('vxe.error.notConflictProp', ['default-config.selectMode=all', 'multiple=true']);
}
}
else if (selectMode === 'first' || selectMode === 'last') {
const selectItem = XEUtils[selectMode](datas);
if (selectItem) {
nextTick(() => {
if (XEUtils.eqNull(props.modelValue)) {
emitDefaultValue(selectItem[valueField]);
}
});
}
}
internalData.isLoaded = true;
}
}
return computeScrollLoad().then(() => {
refreshScroll();
});
};
const clearScroll = () => {
const scrollBodyElem = refVirtualWrapper.value;
if (scrollBodyElem) {
scrollBodyElem.scrollTop = 0;
scrollBodyElem.scrollLeft = 0;
}
internalData.lastScrollTop = 0;
internalData.lastScrollLeft = 0;
return nextTick();
};
const hasOptGroupById = (optid) => {
const { optGroupKeyMaps } = internalData;
return !!optGroupKeyMaps[optid];
};
const selectMethods = {
dispatchEvent,
loadData,
reloadData(datas) {
internalData.isLoaded = false;
clearScroll();
return loadData(datas);
},
isPanelVisible() {
return reactData.visiblePanel;
},
togglePanel() {
if (reactData.visiblePanel) {
hideOptionPanel();
}
else {
showOptionPanel();
}
return nextTick();
},
hidePanel() {
if (reactData.visiblePane