element-plus
Version:
A Component Library for Vue 3
639 lines (636 loc) • 26.3 kB
JavaScript
import { defineComponent, useAttrs, ref, computed, nextTick, watch, onMounted, openBlock, createBlock, unref, withCtx, withDirectives, createElementBlock, normalizeClass, normalizeStyle, createVNode, withModifiers, Fragment, renderList, toDisplayString, createElementVNode, withKeys, vModelText, createCommentVNode, isRef, vShow, renderSlot } from 'vue';
import { isPromise } from '@vue/shared';
import { cloneDeep, debounce } from 'lodash-unified';
import { isClient, useCssVar, useResizeObserver } from '@vueuse/core';
import _CascaderPanel from '../../cascader-panel/index.mjs';
import { ElInput } from '../../input/index.mjs';
import { ElTooltip } from '../../tooltip/index.mjs';
import { ElScrollbar } from '../../scrollbar/index.mjs';
import { ElTag } from '../../tag/index.mjs';
import { ElIcon } from '../../icon/index.mjs';
import '../../form/index.mjs';
import '../../../directives/index.mjs';
import '../../../hooks/index.mjs';
import '../../../utils/index.mjs';
import '../../../constants/index.mjs';
import { CircleClose, ArrowDown, Check } from '@element-plus/icons-vue';
import { cascaderProps, cascaderEmits } from './cascader.mjs';
import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
import { useLocale } from '../../../hooks/use-locale/index.mjs';
import { useFormItem } from '../../form/src/hooks/use-form-item.mjs';
import { useFormSize } from '../../form/src/hooks/use-form-common-props.mjs';
import { UPDATE_MODEL_EVENT, CHANGE_EVENT } from '../../../constants/event.mjs';
import { debugWarn } from '../../../utils/error.mjs';
import { isKorean } from '../../../utils/i18n.mjs';
import { EVENT_CODE } from '../../../constants/aria.mjs';
import { focusNode, getSibling } from '../../../utils/dom/aria.mjs';
import ClickOutside from '../../../directives/click-outside/index.mjs';
const _hoisted_1 = { key: 0 };
const _hoisted_2 = ["placeholder", "onKeydown"];
const _hoisted_3 = ["onClick"];
const COMPONENT_NAME = "ElCascader";
const __default__ = defineComponent({
name: COMPONENT_NAME
});
const _sfc_main = /* @__PURE__ */ defineComponent({
...__default__,
props: cascaderProps,
emits: cascaderEmits,
setup(__props, { expose, emit }) {
const props = __props;
const popperOptions = {
modifiers: [
{
name: "arrowPosition",
enabled: true,
phase: "main",
fn: ({ state }) => {
const { modifiersData, placement } = state;
if (["right", "left", "bottom", "top"].includes(placement))
return;
modifiersData.arrow.x = 35;
},
requires: ["arrow"]
}
]
};
const attrs = useAttrs();
let inputInitialHeight = 0;
let pressDeleteCount = 0;
const nsCascader = useNamespace("cascader");
const nsInput = useNamespace("input");
const { t } = useLocale();
const { form, formItem } = useFormItem();
const tooltipRef = ref(null);
const input = ref(null);
const tagWrapper = ref(null);
const cascaderPanelRef = ref(null);
const suggestionPanel = ref(null);
const popperVisible = ref(false);
const inputHover = ref(false);
const filtering = ref(false);
const filterFocus = ref(false);
const inputValue = ref("");
const searchInputValue = ref("");
const presentTags = ref([]);
const allPresentTags = ref([]);
const suggestions = ref([]);
const isOnComposition = ref(false);
const cascaderStyle = computed(() => {
return attrs.style;
});
const isDisabled = computed(() => props.disabled || (form == null ? void 0 : form.disabled));
const inputPlaceholder = computed(() => props.placeholder || t("el.cascader.placeholder"));
const currentPlaceholder = computed(() => searchInputValue.value || presentTags.value.length > 0 || isOnComposition.value ? "" : inputPlaceholder.value);
const realSize = useFormSize();
const tagSize = computed(() => ["small"].includes(realSize.value) ? "small" : "default");
const multiple = computed(() => !!props.props.multiple);
const readonly = computed(() => !props.filterable || multiple.value);
const searchKeyword = computed(() => multiple.value ? searchInputValue.value : inputValue.value);
const checkedNodes = computed(() => {
var _a;
return ((_a = cascaderPanelRef.value) == null ? void 0 : _a.checkedNodes) || [];
});
const clearBtnVisible = computed(() => {
if (!props.clearable || isDisabled.value || filtering.value || !inputHover.value)
return false;
return !!checkedNodes.value.length;
});
const presentText = computed(() => {
const { showAllLevels, separator } = props;
const nodes = checkedNodes.value;
return nodes.length ? multiple.value ? "" : nodes[0].calcText(showAllLevels, separator) : "";
});
const validateState = computed(() => (formItem == null ? void 0 : formItem.validateState) || "");
const checkedValue = computed({
get() {
return cloneDeep(props.modelValue);
},
set(val) {
emit(UPDATE_MODEL_EVENT, val);
emit(CHANGE_EVENT, val);
if (props.validateEvent) {
formItem == null ? void 0 : formItem.validate("change").catch((err) => debugWarn(err));
}
}
});
const cascaderKls = computed(() => {
return [
nsCascader.b(),
nsCascader.m(realSize.value),
nsCascader.is("disabled", isDisabled.value),
attrs.class
];
});
const cascaderIconKls = computed(() => {
return [
nsInput.e("icon"),
"icon-arrow-down",
nsCascader.is("reverse", popperVisible.value)
];
});
const inputClass = computed(() => {
return nsCascader.is("focus", popperVisible.value || filterFocus.value);
});
const contentRef = computed(() => {
var _a, _b;
return (_b = (_a = tooltipRef.value) == null ? void 0 : _a.popperRef) == null ? void 0 : _b.contentRef;
});
const togglePopperVisible = (visible) => {
var _a, _b, _c;
if (isDisabled.value)
return;
visible = visible != null ? visible : !popperVisible.value;
if (visible !== popperVisible.value) {
popperVisible.value = visible;
(_b = (_a = input.value) == null ? void 0 : _a.input) == null ? void 0 : _b.setAttribute("aria-expanded", `${visible}`);
if (visible) {
updatePopperPosition();
nextTick((_c = cascaderPanelRef.value) == null ? void 0 : _c.scrollToExpandingNode);
} else if (props.filterable) {
syncPresentTextValue();
}
emit("visibleChange", visible);
}
};
const updatePopperPosition = () => {
nextTick(() => {
var _a;
(_a = tooltipRef.value) == null ? void 0 : _a.updatePopper();
});
};
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,
isCollapseTag: false
};
};
const deleteTag = (tag) => {
var _a;
const node = tag.node;
node.doCheck(false);
(_a = cascaderPanelRef.value) == null ? void 0 : _a.calculateCheckedValue();
emit("removeTag", node.valueByOption);
};
const calculatePresentTags = () => {
if (!multiple.value)
return;
const nodes = checkedNodes.value;
const tags = [];
const allTags = [];
nodes.forEach((node) => allTags.push(genTag(node)));
allPresentTags.value = allTags;
if (nodes.length) {
nodes.slice(0, props.maxCollapseTags).forEach((node) => tags.push(genTag(node)));
const rest = nodes.slice(props.maxCollapseTags);
const restCount = rest.length;
if (restCount) {
if (props.collapseTags) {
tags.push({
key: -1,
text: `+ ${restCount}`,
closable: false,
isCollapseTag: true
});
} else {
rest.forEach((node) => tags.push(genTag(node)));
}
}
}
presentTags.value = tags;
};
const calculateSuggestions = () => {
var _a, _b;
const { filterMethod, showAllLevels, separator } = props;
const res = (_b = (_a = cascaderPanelRef.value) == null ? void 0 : _a.getFlattedNodes(!props.props.checkStrictly)) == null ? void 0 : _b.filter((node) => {
if (node.isDisabled)
return false;
node.calcText(showAllLevels, separator);
return filterMethod(node, searchKeyword.value);
});
if (multiple.value) {
presentTags.value.forEach((tag) => {
tag.hitState = false;
});
allPresentTags.value.forEach((tag) => {
tag.hitState = false;
});
}
filtering.value = true;
suggestions.value = res;
updatePopperPosition();
};
const focusFirstNode = () => {
var _a;
let firstNode;
if (filtering.value && suggestionPanel.value) {
firstNode = suggestionPanel.value.$el.querySelector(`.${nsCascader.e("suggestion-item")}`);
} else {
firstNode = (_a = cascaderPanelRef.value) == null ? void 0 : _a.$el.querySelector(`.${nsCascader.b("node")}[tabindex="-1"]`);
}
if (firstNode) {
firstNode.focus();
!filtering.value && firstNode.click();
}
};
const updateStyle = () => {
var _a, _b;
const inputInner = (_a = input.value) == null ? void 0 : _a.input;
const tagWrapperEl = tagWrapper.value;
const suggestionPanelEl = (_b = suggestionPanel.value) == null ? void 0 : _b.$el;
if (!isClient || !inputInner)
return;
if (suggestionPanelEl) {
const suggestionList = suggestionPanelEl.querySelector(`.${nsCascader.e("suggestion-list")}`);
suggestionList.style.minWidth = `${inputInner.offsetWidth}px`;
}
if (tagWrapperEl) {
const { offsetHeight } = tagWrapperEl;
const height = presentTags.value.length > 0 ? `${Math.max(offsetHeight + 6, inputInitialHeight)}px` : `${inputInitialHeight}px`;
inputInner.style.height = height;
updatePopperPosition();
}
};
const getCheckedNodes = (leafOnly) => {
var _a;
return (_a = cascaderPanelRef.value) == null ? void 0 : _a.getCheckedNodes(leafOnly);
};
const handleExpandChange = (value) => {
updatePopperPosition();
emit("expandChange", value);
};
const handleComposition = (event) => {
var _a;
const text = (_a = event.target) == null ? void 0 : _a.value;
if (event.type === "compositionend") {
isOnComposition.value = false;
nextTick(() => handleInput(text));
} else {
const lastCharacter = text[text.length - 1] || "";
isOnComposition.value = !isKorean(lastCharacter);
}
};
const handleKeyDown = (e) => {
if (isOnComposition.value)
return;
switch (e.code) {
case EVENT_CODE.enter:
togglePopperVisible();
break;
case EVENT_CODE.down:
togglePopperVisible(true);
nextTick(focusFirstNode);
e.preventDefault();
break;
case EVENT_CODE.esc:
if (popperVisible.value === true) {
e.preventDefault();
e.stopPropagation();
togglePopperVisible(false);
}
break;
case EVENT_CODE.tab:
togglePopperVisible(false);
break;
}
};
const handleClear = () => {
var _a;
(_a = cascaderPanelRef.value) == null ? void 0 : _a.clearCheckedNodes();
if (!popperVisible.value && props.filterable) {
syncPresentTextValue();
}
togglePopperVisible(false);
};
const syncPresentTextValue = () => {
const { value } = presentText;
inputValue.value = value;
searchInputValue.value = value;
};
const handleSuggestionClick = (node) => {
var _a, _b;
const { checked } = node;
if (multiple.value) {
(_a = cascaderPanelRef.value) == null ? void 0 : _a.handleCheckChange(node, !checked, false);
} else {
!checked && ((_b = cascaderPanelRef.value) == null ? void 0 : _b.handleCheckChange(node, true, false));
togglePopperVisible(false);
}
};
const handleSuggestionKeyDown = (e) => {
const target = e.target;
const { code } = e;
switch (code) {
case EVENT_CODE.up:
case EVENT_CODE.down: {
const distance = code === EVENT_CODE.up ? -1 : 1;
focusNode(getSibling(target, distance, `.${nsCascader.e("suggestion-item")}[tabindex="-1"]`));
break;
}
case EVENT_CODE.enter:
target.click();
break;
}
};
const handleDelete = () => {
const tags = presentTags.value;
const lastTag = tags[tags.length - 1];
pressDeleteCount = searchInputValue.value ? 0 : pressDeleteCount + 1;
if (!lastTag || !pressDeleteCount || props.collapseTags && tags.length > 1)
return;
if (lastTag.hitState) {
deleteTag(lastTag);
} else {
lastTag.hitState = true;
}
};
const handleFocus = (e) => {
const el = e.target;
const name = nsCascader.e("search-input");
if (el.className === name) {
filterFocus.value = true;
}
emit("focus", e);
};
const handleBlur = (e) => {
filterFocus.value = false;
emit("blur", e);
};
const handleFilter = debounce(() => {
const { value } = searchKeyword;
if (!value)
return;
const passed = props.beforeFilter(value);
if (isPromise(passed)) {
passed.then(calculateSuggestions).catch(() => {
});
} else if (passed !== false) {
calculateSuggestions();
} else {
hideSuggestionPanel();
}
}, props.debounce);
const handleInput = (val, e) => {
!popperVisible.value && togglePopperVisible(true);
if (e == null ? void 0 : e.isComposing)
return;
val ? handleFilter() : hideSuggestionPanel();
};
const getInputInnerHeight = (inputInner) => Number.parseFloat(useCssVar(nsInput.cssVarName("input-height"), inputInner).value) - 2;
watch(filtering, updatePopperPosition);
watch([checkedNodes, isDisabled], calculatePresentTags);
watch(presentTags, () => {
nextTick(() => updateStyle());
});
watch(realSize, async () => {
await nextTick();
const inputInner = input.value.input;
inputInitialHeight = getInputInnerHeight(inputInner) || inputInitialHeight;
updateStyle();
});
watch(presentText, syncPresentTextValue, { immediate: true });
onMounted(() => {
const inputInner = input.value.input;
const inputInnerHeight = getInputInnerHeight(inputInner);
inputInitialHeight = inputInner.offsetHeight || inputInnerHeight;
useResizeObserver(inputInner, updateStyle);
});
expose({
getCheckedNodes,
cascaderPanelRef,
togglePopperVisible,
contentRef
});
return (_ctx, _cache) => {
return openBlock(), createBlock(unref(ElTooltip), {
ref_key: "tooltipRef",
ref: tooltipRef,
visible: popperVisible.value,
teleported: _ctx.teleported,
"popper-class": [unref(nsCascader).e("dropdown"), _ctx.popperClass],
"popper-options": popperOptions,
"fallback-placements": [
"bottom-start",
"bottom",
"top-start",
"top",
"right",
"left"
],
"stop-popper-mouse-event": false,
"gpu-acceleration": false,
placement: "bottom-start",
transition: `${unref(nsCascader).namespace.value}-zoom-in-top`,
effect: "light",
pure: "",
persistent: "",
onHide: hideSuggestionPanel
}, {
default: withCtx(() => [
withDirectives((openBlock(), createElementBlock("div", {
class: normalizeClass(unref(cascaderKls)),
style: normalizeStyle(unref(cascaderStyle)),
onClick: _cache[5] || (_cache[5] = () => togglePopperVisible(unref(readonly) ? void 0 : true)),
onKeydown: handleKeyDown,
onMouseenter: _cache[6] || (_cache[6] = ($event) => inputHover.value = true),
onMouseleave: _cache[7] || (_cache[7] = ($event) => inputHover.value = false)
}, [
createVNode(unref(ElInput), {
ref_key: "input",
ref: input,
modelValue: inputValue.value,
"onUpdate:modelValue": _cache[1] || (_cache[1] = ($event) => inputValue.value = $event),
placeholder: unref(currentPlaceholder),
readonly: unref(readonly),
disabled: unref(isDisabled),
"validate-event": false,
size: unref(realSize),
class: normalizeClass(unref(inputClass)),
tabindex: unref(multiple) && _ctx.filterable && !unref(isDisabled) ? -1 : void 0,
onCompositionstart: handleComposition,
onCompositionupdate: handleComposition,
onCompositionend: handleComposition,
onFocus: handleFocus,
onBlur: handleBlur,
onInput: handleInput
}, {
suffix: withCtx(() => [
unref(clearBtnVisible) ? (openBlock(), createBlock(unref(ElIcon), {
key: "clear",
class: normalizeClass([unref(nsInput).e("icon"), "icon-circle-close"]),
onClick: withModifiers(handleClear, ["stop"])
}, {
default: withCtx(() => [
createVNode(unref(CircleClose))
]),
_: 1
}, 8, ["class", "onClick"])) : (openBlock(), createBlock(unref(ElIcon), {
key: "arrow-down",
class: normalizeClass(unref(cascaderIconKls)),
onClick: _cache[0] || (_cache[0] = withModifiers(($event) => togglePopperVisible(), ["stop"]))
}, {
default: withCtx(() => [
createVNode(unref(ArrowDown))
]),
_: 1
}, 8, ["class"]))
]),
_: 1
}, 8, ["modelValue", "placeholder", "readonly", "disabled", "size", "class", "tabindex"]),
unref(multiple) ? (openBlock(), createElementBlock("div", {
key: 0,
ref_key: "tagWrapper",
ref: tagWrapper,
class: normalizeClass([
unref(nsCascader).e("tags"),
unref(nsCascader).is("validate", Boolean(unref(validateState)))
])
}, [
(openBlock(true), createElementBlock(Fragment, null, renderList(presentTags.value, (tag) => {
return openBlock(), createBlock(unref(ElTag), {
key: tag.key,
type: _ctx.tagType,
size: unref(tagSize),
hit: tag.hitState,
closable: tag.closable,
"disable-transitions": "",
onClose: ($event) => deleteTag(tag)
}, {
default: withCtx(() => [
tag.isCollapseTag === false ? (openBlock(), createElementBlock("span", _hoisted_1, toDisplayString(tag.text), 1)) : (openBlock(), createBlock(unref(ElTooltip), {
key: 1,
disabled: popperVisible.value || !_ctx.collapseTagsTooltip,
"fallback-placements": ["bottom", "top", "right", "left"],
placement: "bottom",
effect: "light"
}, {
default: withCtx(() => [
createElementVNode("span", null, toDisplayString(tag.text), 1)
]),
content: withCtx(() => [
createElementVNode("div", {
class: normalizeClass(unref(nsCascader).e("collapse-tags"))
}, [
(openBlock(true), createElementBlock(Fragment, null, renderList(allPresentTags.value.slice(_ctx.maxCollapseTags), (tag2, idx) => {
return openBlock(), createElementBlock("div", {
key: idx,
class: normalizeClass(unref(nsCascader).e("collapse-tag"))
}, [
(openBlock(), createBlock(unref(ElTag), {
key: tag2.key,
class: "in-tooltip",
type: _ctx.tagType,
size: unref(tagSize),
hit: tag2.hitState,
closable: tag2.closable,
"disable-transitions": "",
onClose: ($event) => deleteTag(tag2)
}, {
default: withCtx(() => [
createElementVNode("span", null, toDisplayString(tag2.text), 1)
]),
_: 2
}, 1032, ["type", "size", "hit", "closable", "onClose"]))
], 2);
}), 128))
], 2)
]),
_: 2
}, 1032, ["disabled"]))
]),
_: 2
}, 1032, ["type", "size", "hit", "closable", "onClose"]);
}), 128)),
_ctx.filterable && !unref(isDisabled) ? withDirectives((openBlock(), createElementBlock("input", {
key: 0,
"onUpdate:modelValue": _cache[2] || (_cache[2] = ($event) => searchInputValue.value = $event),
type: "text",
class: normalizeClass(unref(nsCascader).e("search-input")),
placeholder: unref(presentText) ? "" : unref(inputPlaceholder),
onInput: _cache[3] || (_cache[3] = (e) => handleInput(searchInputValue.value, e)),
onClick: _cache[4] || (_cache[4] = withModifiers(($event) => togglePopperVisible(true), ["stop"])),
onKeydown: withKeys(handleDelete, ["delete"]),
onCompositionstart: handleComposition,
onCompositionupdate: handleComposition,
onCompositionend: handleComposition,
onFocus: handleFocus,
onBlur: handleBlur
}, null, 42, _hoisted_2)), [
[vModelText, searchInputValue.value]
]) : createCommentVNode("v-if", true)
], 2)) : createCommentVNode("v-if", true)
], 38)), [
[unref(ClickOutside), () => togglePopperVisible(false), unref(contentRef)]
])
]),
content: withCtx(() => [
withDirectives(createVNode(unref(_CascaderPanel), {
ref_key: "cascaderPanelRef",
ref: cascaderPanelRef,
modelValue: unref(checkedValue),
"onUpdate:modelValue": _cache[8] || (_cache[8] = ($event) => isRef(checkedValue) ? checkedValue.value = $event : null),
options: _ctx.options,
props: props.props,
border: false,
"render-label": _ctx.$slots.default,
onExpandChange: handleExpandChange,
onClose: _cache[9] || (_cache[9] = ($event) => _ctx.$nextTick(() => togglePopperVisible(false)))
}, null, 8, ["modelValue", "options", "props", "render-label"]), [
[vShow, !filtering.value]
]),
_ctx.filterable ? withDirectives((openBlock(), createBlock(unref(ElScrollbar), {
key: 0,
ref_key: "suggestionPanel",
ref: suggestionPanel,
tag: "ul",
class: normalizeClass(unref(nsCascader).e("suggestion-panel")),
"view-class": unref(nsCascader).e("suggestion-list"),
onKeydown: handleSuggestionKeyDown
}, {
default: withCtx(() => [
suggestions.value.length ? (openBlock(true), createElementBlock(Fragment, { key: 0 }, renderList(suggestions.value, (item) => {
return openBlock(), createElementBlock("li", {
key: item.uid,
class: normalizeClass([
unref(nsCascader).e("suggestion-item"),
unref(nsCascader).is("checked", item.checked)
]),
tabindex: -1,
onClick: ($event) => handleSuggestionClick(item)
}, [
createElementVNode("span", null, toDisplayString(item.text), 1),
item.checked ? (openBlock(), createBlock(unref(ElIcon), { key: 0 }, {
default: withCtx(() => [
createVNode(unref(Check))
]),
_: 1
})) : createCommentVNode("v-if", true)
], 10, _hoisted_3);
}), 128)) : renderSlot(_ctx.$slots, "empty", { key: 1 }, () => [
createElementVNode("li", {
class: normalizeClass(unref(nsCascader).e("empty-text"))
}, toDisplayString(unref(t)("el.cascader.noMatch")), 3)
])
]),
_: 3
}, 8, ["class", "view-class"])), [
[vShow, filtering.value]
]) : createCommentVNode("v-if", true)
]),
_: 3
}, 8, ["visible", "teleported", "popper-class", "transition"]);
};
}
});
var Cascader = /* @__PURE__ */ _export_sfc(_sfc_main, [["__file", "cascader.vue"]]);
export { Cascader as default };
//# sourceMappingURL=cascader2.mjs.map