element-plus
Version:
A Component Library for Vue3.0
594 lines (581 loc) • 24.5 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var ElCascaderPanel = require('../el-cascader-panel');
var ElInput = require('../el-input');
var ElPopper = require('../el-popper');
var ElScrollbar = require('../el-scrollbar');
var ElTag = require('../el-tag');
var directives = require('../directives');
var locale = require('../locale');
var debounce = require('lodash/debounce');
var aria = require('../utils/aria');
var constants = require('../utils/constants');
var isServer = require('../utils/isServer');
var util = require('../utils/util');
var resizeEvent = require('../utils/resize-event');
var validators = require('../utils/validators');
var form = require('../el-form');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var ElCascaderPanel__default = /*#__PURE__*/_interopDefaultLegacy(ElCascaderPanel);
var ElInput__default = /*#__PURE__*/_interopDefaultLegacy(ElInput);
var ElPopper__default = /*#__PURE__*/_interopDefaultLegacy(ElPopper);
var ElScrollbar__default = /*#__PURE__*/_interopDefaultLegacy(ElScrollbar);
var ElTag__default = /*#__PURE__*/_interopDefaultLegacy(ElTag);
var debounce__default = /*#__PURE__*/_interopDefaultLegacy(debounce);
var isServer__default = /*#__PURE__*/_interopDefaultLegacy(isServer);
/**
* Make a map and return a function for checking if a key
* is in that map.
* IMPORTANT: all calls of this function must be prefixed with
* \/\*#\_\_PURE\_\_\*\/
* So that rollup can tree-shake them if necessary.
*/
const EMPTY_OBJ = (process.env.NODE_ENV !== 'production')
? Object.freeze({})
: {};
const EMPTY_ARR = (process.env.NODE_ENV !== 'production') ? Object.freeze([]) : [];
const isFunction = (val) => typeof val === 'function';
const isObject = (val) => val !== null && typeof val === 'object';
const isPromise = (val) => {
return isObject(val) && isFunction(val.then) && isFunction(val.catch);
};
const DEFAULT_INPUT_HEIGHT = 40;
const INPUT_HEIGHT_MAP = {
medium: 36,
small: 32,
mini: 28,
};
const popperOptions = {
modifiers: [
{
name: 'arrowPosition',
enabled: true,
phase: 'main',
fn: ({ state }) => {
const { modifiersData, elements } = state;
const { reference, arrow } = elements;
modifiersData.arrow.x = modifiersData.arrow.x - (reference.clientWidth - arrow.clientWidth) / 2 + 35;
},
requires: ['arrow'],
},
],
};
var script = vue.defineComponent({
name: 'ElCascader',
components: {
ElCascaderPanel: ElCascaderPanel__default['default'],
ElInput: ElInput__default['default'],
ElPopper: ElPopper__default['default'],
ElScrollbar: ElScrollbar__default['default'],
ElTag: ElTag__default['default'],
},
directives: {
Clickoutside: directives.ClickOutside,
},
props: Object.assign(Object.assign({}, ElCascaderPanel.CommonProps), { size: {
type: String,
validator: validators.isValidComponentSize,
}, placeholder: {
type: String,
default: () => locale.t('el.cascader.placeholder'),
}, disabled: Boolean, clearable: Boolean, filterable: Boolean, filterMethod: {
type: Function,
default: (node, keyword) => node.text.includes(keyword),
}, separator: {
type: String,
default: ' / ',
}, showAllLevels: {
type: Boolean,
default: true,
}, collapseTags: Boolean, debounce: {
type: Number,
default: 300,
}, beforeFilter: {
type: Function,
default: () => true,
}, popperClass: {
type: String,
default: '',
} }),
emits: [
constants.UPDATE_MODEL_EVENT,
constants.CHANGE_EVENT,
'focus',
'blur',
'visible-change',
'expand-change',
'remove-tag',
],
setup(props, { emit }) {
let inputInitialHeight = 0;
let pressDeleteCount = 0;
const $ELEMENT = util.useGlobalConfig();
const elForm = vue.inject(form.elFormKey, {});
const elFormItem = vue.inject(form.elFormItemKey, {});
const popper = vue.ref(null);
const input = vue.ref(null);
const tagWrapper = vue.ref(null);
const panel = vue.ref(null);
const suggestionPanel = vue.ref(null);
const popperVisible = vue.ref(false);
const inputHover = vue.ref(false);
const filtering = vue.ref(false);
const inputValue = vue.ref('');
const searchInputValue = vue.ref('');
const presentTags = vue.ref([]);
const suggestions = vue.ref([]);
const isDisabled = vue.computed(() => props.disabled || elForm.disabled);
const realSize = vue.computed(() => props.size || elFormItem.size || $ELEMENT.size);
const tagSize = vue.computed(() => ['small', 'mini'].includes(realSize.value) ? 'mini' : 'small');
const multiple = vue.computed(() => !!props.props.multiple);
const readonly = vue.computed(() => !props.filterable || multiple.value);
const searchKeyword = vue.computed(() => multiple.value ? searchInputValue.value : inputValue.value);
const checkedNodes = vue.computed(() => { var _a; return ((_a = panel.value) === null || _a === void 0 ? void 0 : _a.checkedNodes) || []; });
const clearBtnVisible = vue.computed(() => {
if (!props.clearable ||
isDisabled.value ||
filtering.value ||
!inputHover.value)
return false;
return !!checkedNodes.value.length;
});
const presentText = vue.computed(() => {
const { showAllLevels, separator } = props;
const nodes = checkedNodes.value;
return nodes.length
? multiple.value ? ' ' : nodes[0].calcText(showAllLevels, separator)
: '';
});
const checkedValue = vue.computed({
get() {
return props.modelValue;
},
set(val) {
var _a;
emit(constants.UPDATE_MODEL_EVENT, val);
emit(constants.CHANGE_EVENT, val);
(_a = elFormItem.formItemMitt) === null || _a === void 0 ? void 0 : _a.emit('el.form.change', [val]);
},
});
const popperPaneRef = vue.computed(() => {
var _a;
return (_a = popper.value) === null || _a === void 0 ? void 0 : _a.popperRef;
});
const togglePopperVisible = (visible) => {
if (isDisabled.value)
return;
visible = visible !== null && visible !== void 0 ? visible : !popperVisible.value;
if (visible !== popperVisible.value) {
popperVisible.value = visible;
input.value.input.setAttribute('aria-expanded', visible);
if (visible) {
updatePopperPosition();
vue.nextTick(panel.value.scrollToExpandingNode);
}
else if (props.filterable) {
const { value } = presentText;
inputValue.value = value;
searchInputValue.value = value;
}
emit('visible-change', visible);
}
};
const updatePopperPosition = () => {
vue.nextTick(popper.value.update);
};
const hideSuggestionPanel = () => {
filtering.value = false;
};
const genTag = (node) => {
const { showAllLevels, separator } = props;
return {
node,
key: node.uid,
text: node.calcText(showAllLevels, separator),
hitState: false,
closable: !isDisabled.value && !node.isDisabled,
};
};
const deleteTag = (tag) => {
const { node } = tag;
node.doCheck(false);
panel.value.calculateCheckedValue();
emit('remove-tag', node.valueByOption);
};
const calculatePresentTags = () => {
if (!multiple.value)
return;
const nodes = checkedNodes.value;
const tags = [];
if (nodes.length) {
const [first, ...rest] = nodes;
const restCount = rest.length;
tags.push(genTag(first));
if (restCount) {
if (props.collapseTags) {
tags.push({
key: -1,
text: `+ ${restCount}`,
closable: false,
});
}
else {
rest.forEach(node => tags.push(genTag(node)));
}
}
}
presentTags.value = tags;
};
const calculateSuggestions = () => {
const { filterMethod, showAllLevels, separator } = props;
const res = panel.value.getFlattedNodes(!props.props.checkStrictly)
.filter(node => {
if (node.isDisabled)
return false;
node.calcText(showAllLevels, separator);
return filterMethod(node, searchKeyword.value);
});
if (multiple.value) {
presentTags.value.forEach(tag => {
tag.hitState = false;
});
}
filtering.value = true;
suggestions.value = res;
updatePopperPosition();
};
const focusFirstNode = () => {
var _a;
let firstNode = null;
if (filtering.value && suggestionPanel.value) {
firstNode = suggestionPanel.value.$el.querySelector('.el-cascader__suggestion-item');
}
else {
firstNode = (_a = panel.value) === null || _a === void 0 ? void 0 : _a.$el.querySelector('.el-cascader-node[tabindex="-1"]');
}
if (firstNode) {
firstNode.focus();
!filtering.value && firstNode.click();
}
};
const updateStyle = () => {
var _a;
const inputInner = input.value.input;
const tagWrapperEl = tagWrapper.value;
const suggestionPanelEl = (_a = suggestionPanel.value) === null || _a === void 0 ? void 0 : _a.$el;
if (isServer__default['default'] || !inputInner)
return;
if (suggestionPanelEl) {
const suggestionList = suggestionPanelEl.querySelector('.el-cascader__suggestion-list');
suggestionList.style.minWidth = inputInner.offsetWidth + 'px';
}
if (tagWrapperEl) {
const { offsetHeight } = tagWrapperEl;
const height = Math.max(offsetHeight + 6, inputInitialHeight) + 'px';
inputInner.style.height = height;
updatePopperPosition();
}
};
const getCheckedNodes = (leafOnly) => {
return panel.value.getCheckedNodes(leafOnly);
};
const handleExpandChange = (value) => {
updatePopperPosition();
emit('expand-change', value);
};
const handleKeyDown = (e) => {
switch (e.code) {
case aria.EVENT_CODE.enter:
togglePopperVisible();
break;
case aria.EVENT_CODE.down:
togglePopperVisible(true);
vue.nextTick(focusFirstNode);
event.preventDefault();
break;
case aria.EVENT_CODE.esc:
case aria.EVENT_CODE.tab:
togglePopperVisible(false);
break;
}
};
const handleClear = () => {
panel.value.clearCheckedNodes();
togglePopperVisible(false);
};
const handleSuggestionClick = (node) => {
const { checked } = node;
if (multiple.value) {
panel.value.handleCheckChange(node, !checked, false);
}
else {
!checked && panel.value.handleCheckChange(node, true, false);
togglePopperVisible(false);
}
};
const handleDelete = () => {
const tags = presentTags.value;
const lastTag = tags[tags.length - 1];
pressDeleteCount = searchInputValue.value ? 0 : pressDeleteCount + 1;
if (!lastTag || !pressDeleteCount)
return;
if (lastTag.hitState) {
deleteTag(lastTag);
}
else {
lastTag.hitState = true;
}
};
const handleFilter = debounce__default['default'](() => {
const { value } = searchKeyword;
if (!value)
return;
const passed = props.beforeFilter(value);
if (isPromise(passed)) {
passed.then(calculateSuggestions);
}
else if (passed !== false) {
calculateSuggestions();
}
else {
hideSuggestionPanel();
}
}, props.debounce);
const handleInput = (val, e) => {
!popperVisible.value && togglePopperVisible(true);
if (e === null || e === void 0 ? void 0 : e.isComposing)
return;
val ? handleFilter() : hideSuggestionPanel();
};
vue.watch(filtering, updatePopperPosition);
vue.watch([checkedNodes, isDisabled], calculatePresentTags);
vue.watch(presentTags, () => vue.nextTick(updateStyle));
vue.watch(presentText, val => inputValue.value = val, { immediate: true });
vue.onMounted(() => {
const inputEl = input.value.$el;
inputInitialHeight = (inputEl === null || inputEl === void 0 ? void 0 : inputEl.offsetHeight) || INPUT_HEIGHT_MAP[realSize.value] || DEFAULT_INPUT_HEIGHT;
resizeEvent.addResizeListener(inputEl, updateStyle);
});
vue.onBeforeUnmount(() => {
resizeEvent.removeResizeListener(input.value.$el, updateStyle);
});
return {
popperOptions,
popper,
popperPaneRef,
input,
tagWrapper,
panel,
suggestionPanel,
popperVisible,
inputHover,
filtering,
presentText,
checkedValue,
inputValue,
searchInputValue,
presentTags,
suggestions,
isDisabled,
realSize,
tagSize,
multiple,
readonly,
clearBtnVisible,
t: locale.t,
togglePopperVisible,
hideSuggestionPanel,
deleteTag,
focusFirstNode,
getCheckedNodes,
handleExpandChange,
handleKeyDown,
handleClear,
handleSuggestionClick,
handleDelete,
handleInput,
};
},
});
const _hoisted_1 = {
key: 0,
ref: "tagWrapper",
class: "el-cascader__tags"
};
const _hoisted_2 = {
key: 0,
class: "el-icon-check"
};
const _hoisted_3 = { class: "el-cascader__empty-text" };
function render(_ctx, _cache, $props, $setup, $data, $options) {
const _component_el_input = vue.resolveComponent("el-input");
const _component_el_tag = vue.resolveComponent("el-tag");
const _component_el_cascader_panel = vue.resolveComponent("el-cascader-panel");
const _component_el_scrollbar = vue.resolveComponent("el-scrollbar");
const _component_el_popper = vue.resolveComponent("el-popper");
const _directive_clickoutside = vue.resolveDirective("clickoutside");
return (vue.openBlock(), vue.createBlock(_component_el_popper, {
ref: "popper",
visible: _ctx.popperVisible,
"onUpdate:visible": _cache[16] || (_cache[16] = $event => (_ctx.popperVisible = $event)),
"manual-mode": "",
placement: "bottom-start",
"popper-class": `el-cascader__dropdown ${_ctx.popperClass}`,
"popper-options": _ctx.popperOptions,
"stop-popper-mouse-event": false,
transition: "el-zoom-in-top",
"gpu-acceleration": false,
effect: "light",
pure: "",
onAfterLeave: _ctx.hideSuggestionPanel
}, {
trigger: vue.withCtx(() => [
vue.withDirectives(vue.createVNode("div", {
class: [
'el-cascader',
_ctx.realSize && `el-cascader--${_ctx.realSize}`,
{ 'is-disabled': _ctx.isDisabled }
],
onClick: _cache[10] || (_cache[10] = () => _ctx.togglePopperVisible(_ctx.readonly ? undefined : true)),
onKeydown: _cache[11] || (_cache[11] = (...args) => (_ctx.handleKeyDown && _ctx.handleKeyDown(...args))),
onMouseenter: _cache[12] || (_cache[12] = $event => (_ctx.inputHover = true)),
onMouseleave: _cache[13] || (_cache[13] = $event => (_ctx.inputHover = false))
}, [
vue.createVNode(_component_el_input, {
ref: "input",
modelValue: _ctx.inputValue,
"onUpdate:modelValue": _cache[3] || (_cache[3] = $event => (_ctx.inputValue = $event)),
modelModifiers: { trim: true },
placeholder: _ctx.placeholder,
readonly: _ctx.readonly,
disabled: _ctx.isDisabled,
"validate-event": false,
size: _ctx.realSize,
class: { 'is-focus': _ctx.popperVisible },
onFocus: _cache[4] || (_cache[4] = e => _ctx.$emit('focus', e)),
onBlur: _cache[5] || (_cache[5] = e => _ctx.$emit('blur', e)),
onInput: _ctx.handleInput
}, {
suffix: vue.withCtx(() => [
(_ctx.clearBtnVisible)
? (vue.openBlock(), vue.createBlock("i", {
key: "clear",
class: "el-input__icon el-icon-circle-close",
onClick: _cache[1] || (_cache[1] = vue.withModifiers((...args) => (_ctx.handleClear && _ctx.handleClear(...args)), ["stop"]))
}))
: (vue.openBlock(), vue.createBlock("i", {
key: "arrow-down",
class: [
'el-input__icon',
'el-icon-arrow-down',
_ctx.popperVisible && 'is-reverse'
],
onClick: _cache[2] || (_cache[2] = vue.withModifiers($event => (_ctx.togglePopperVisible()), ["stop"]))
}, null, 2 /* CLASS */))
]),
_: 1 /* STABLE */
}, 8 /* PROPS */, ["modelValue", "placeholder", "readonly", "disabled", "size", "class", "onInput"]),
(_ctx.multiple)
? (vue.openBlock(), vue.createBlock("div", _hoisted_1, [
(vue.openBlock(true), vue.createBlock(vue.Fragment, null, vue.renderList(_ctx.presentTags, (tag) => {
return (vue.openBlock(), vue.createBlock(_component_el_tag, {
key: tag.key,
type: "info",
size: _ctx.tagSize,
hit: tag.hitState,
closable: tag.closable,
"disable-transitions": "",
onClose: $event => (_ctx.deleteTag(tag))
}, {
default: vue.withCtx(() => [
vue.createVNode("span", null, vue.toDisplayString(tag.text), 1 /* TEXT */)
]),
_: 2 /* DYNAMIC */
}, 1032 /* PROPS, DYNAMIC_SLOTS */, ["size", "hit", "closable", "onClose"]))
}), 128 /* KEYED_FRAGMENT */)),
(_ctx.filterable && !_ctx.isDisabled)
? vue.withDirectives((vue.openBlock(), vue.createBlock("input", {
key: 0,
"onUpdate:modelValue": _cache[6] || (_cache[6] = $event => (_ctx.searchInputValue = $event)),
type: "text",
class: "el-cascader__search-input",
placeholder: _ctx.presentText ? '' : _ctx.placeholder,
onInput: _cache[7] || (_cache[7] = e => _ctx.handleInput(_ctx.searchInputValue, e)),
onClick: _cache[8] || (_cache[8] = vue.withModifiers($event => (_ctx.togglePopperVisible(true)), ["stop"])),
onKeydown: _cache[9] || (_cache[9] = vue.withKeys((...args) => (_ctx.handleDelete && _ctx.handleDelete(...args)), ["delete"]))
}, null, 40 /* PROPS, HYDRATE_EVENTS */, ["placeholder"])), [
[
vue.vModelText,
_ctx.searchInputValue,
void 0,
{ trim: true }
]
])
: vue.createCommentVNode("v-if", true)
], 512 /* NEED_PATCH */))
: vue.createCommentVNode("v-if", true)
], 34 /* CLASS, HYDRATE_EVENTS */), [
[_directive_clickoutside, () => _ctx.togglePopperVisible(false), _ctx.popperPaneRef]
])
]),
default: vue.withCtx(() => [
vue.withDirectives(vue.createVNode(_component_el_cascader_panel, {
ref: "panel",
modelValue: _ctx.checkedValue,
"onUpdate:modelValue": _cache[14] || (_cache[14] = $event => (_ctx.checkedValue = $event)),
options: _ctx.options,
props: _ctx.props,
border: false,
"render-label": _ctx.$slots.default,
onExpandChange: _ctx.handleExpandChange,
onClose: _cache[15] || (_cache[15] = $event => (_ctx.togglePopperVisible(false)))
}, null, 8 /* PROPS */, ["modelValue", "options", "props", "render-label", "onExpandChange"]), [
[vue.vShow, !_ctx.filtering]
]),
(_ctx.filterable)
? vue.withDirectives((vue.openBlock(), vue.createBlock(_component_el_scrollbar, {
key: 0,
ref: "suggestionPanel",
tag: "ul",
class: "el-cascader__suggestion-panel",
"view-class": "el-cascader__suggestion-list"
}, {
default: vue.withCtx(() => [
(_ctx.suggestions.length)
? (vue.openBlock(true), vue.createBlock(vue.Fragment, { key: 0 }, vue.renderList(_ctx.suggestions, (item) => {
return (vue.openBlock(), vue.createBlock("li", {
key: item.uid,
class: [
'el-cascader__suggestion-item',
item.checked && 'is-checked'
],
tabindex: -1,
onClick: $event => (_ctx.handleSuggestionClick(item))
}, [
vue.createVNode("span", null, vue.toDisplayString(item.text), 1 /* TEXT */),
(item.checked)
? (vue.openBlock(), vue.createBlock("i", _hoisted_2))
: vue.createCommentVNode("v-if", true)
], 10 /* CLASS, PROPS */, ["onClick"]))
}), 128 /* KEYED_FRAGMENT */))
: vue.renderSlot(_ctx.$slots, "empty", { key: 1 }, () => [
vue.createVNode("li", _hoisted_3, vue.toDisplayString(_ctx.t('el.cascader.noMatch')), 1 /* TEXT */)
])
]),
_: 1 /* STABLE */
}, 512 /* NEED_PATCH */)), [
[vue.vShow, _ctx.filtering]
])
: vue.createCommentVNode("v-if", true)
]),
_: 1 /* STABLE */
}, 8 /* PROPS */, ["visible", "popper-class", "popper-options", "onAfterLeave"]))
}
script.render = render;
script.__file = "packages/cascader/src/index.vue";
script.install = (app) => {
app.component(script.name, script);
};
const _Cascader = script;
exports.default = _Cascader;