element-plus
Version:
A Component Library for Vue 3
647 lines (642 loc) • 27.5 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var lodashUnified = require('lodash-unified');
var core = require('@vueuse/core');
var index$9 = require('../../cascader-panel/index.js');
var index$5 = require('../../input/index.js');
var index$4 = require('../../tooltip/index.js');
var index$a = require('../../scrollbar/index.js');
var index$7 = require('../../tag/index.js');
var index$6 = require('../../icon/index.js');
var iconsVue = require('@element-plus/icons-vue');
var cascader = require('./cascader.js');
var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
var index$8 = require('../../../directives/click-outside/index.js');
var index = require('../../../hooks/use-namespace/index.js');
var index$1 = require('../../../hooks/use-locale/index.js');
var useFormItem = require('../../form/src/hooks/use-form-item.js');
var index$2 = require('../../../hooks/use-empty-values/index.js');
var index$3 = require('../../../hooks/use-composition/index.js');
var useFormCommonProps = require('../../form/src/hooks/use-form-common-props.js');
var event = require('../../../constants/event.js');
var error = require('../../../utils/error.js');
var shared = require('@vue/shared');
var aria = require('../../../constants/aria.js');
var aria$1 = require('../../../utils/dom/aria.js');
const COMPONENT_NAME = "ElCascader";
const __default__ = vue.defineComponent({
name: COMPONENT_NAME
});
const _sfc_main = /* @__PURE__ */ vue.defineComponent({
...__default__,
props: cascader.cascaderProps,
emits: cascader.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 = vue.useAttrs();
let inputInitialHeight = 0;
let pressDeleteCount = 0;
const nsCascader = index.useNamespace("cascader");
const nsInput = index.useNamespace("input");
const { t } = index$1.useLocale();
const { form, formItem } = useFormItem.useFormItem();
const { valueOnClear } = index$2.useEmptyValues(props);
const { isComposing, handleComposition } = index$3.useComposition({
afterComposition(event) {
var _a;
const text = (_a = event.target) == null ? void 0 : _a.value;
handleInput(text);
}
});
const tooltipRef = vue.ref(null);
const input = vue.ref(null);
const tagWrapper = vue.ref(null);
const cascaderPanelRef = vue.ref(null);
const suggestionPanel = vue.ref(null);
const popperVisible = vue.ref(false);
const inputHover = vue.ref(false);
const filtering = vue.ref(false);
const filterFocus = vue.ref(false);
const inputValue = vue.ref("");
const searchInputValue = vue.ref("");
const presentTags = vue.ref([]);
const allPresentTags = vue.ref([]);
const suggestions = vue.ref([]);
const cascaderStyle = vue.computed(() => {
return attrs.style;
});
const isDisabled = vue.computed(() => props.disabled || (form == null ? void 0 : form.disabled));
const inputPlaceholder = vue.computed(() => props.placeholder || t("el.cascader.placeholder"));
const currentPlaceholder = vue.computed(() => searchInputValue.value || presentTags.value.length > 0 || isComposing.value ? "" : inputPlaceholder.value);
const realSize = useFormCommonProps.useFormSize();
const tagSize = vue.computed(() => realSize.value === "small" ? "small" : "default");
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 = cascaderPanelRef.value) == null ? 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 validateState = vue.computed(() => (formItem == null ? void 0 : formItem.validateState) || "");
const checkedValue = vue.computed({
get() {
return lodashUnified.cloneDeep(props.modelValue);
},
set(val) {
const value = val != null ? val : valueOnClear.value;
emit(event.UPDATE_MODEL_EVENT, value);
emit(event.CHANGE_EVENT, value);
if (props.validateEvent) {
formItem == null ? void 0 : formItem.validate("change").catch((err) => error.debugWarn(err));
}
}
});
const cascaderKls = vue.computed(() => {
return [
nsCascader.b(),
nsCascader.m(realSize.value),
nsCascader.is("disabled", isDisabled.value),
attrs.class
];
});
const cascaderIconKls = vue.computed(() => {
return [
nsInput.e("icon"),
"icon-arrow-down",
nsCascader.is("reverse", popperVisible.value)
];
});
const inputClass = vue.computed(() => {
return nsCascader.is("focus", popperVisible.value || filterFocus.value);
});
const contentRef = vue.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();
vue.nextTick((_c = cascaderPanelRef.value) == null ? void 0 : _c.scrollToExpandingNode);
} else if (props.filterable) {
syncPresentTextValue();
}
emit("visibleChange", visible);
}
};
const updatePopperPosition = () => {
vue.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 (!core.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 ? `${Math.max(offsetHeight, inputInitialHeight) - 2}px` : `${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 handleKeyDown = (e) => {
if (isComposing.value)
return;
switch (e.code) {
case aria.EVENT_CODE.enter:
case aria.EVENT_CODE.numpadEnter:
togglePopperVisible();
break;
case aria.EVENT_CODE.down:
togglePopperVisible(true);
vue.nextTick(focusFirstNode);
e.preventDefault();
break;
case aria.EVENT_CODE.esc:
if (popperVisible.value === true) {
e.preventDefault();
e.stopPropagation();
togglePopperVisible(false);
}
break;
case aria.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);
emit("clear");
};
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 aria.EVENT_CODE.up:
case aria.EVENT_CODE.down: {
e.preventDefault();
const distance = code === aria.EVENT_CODE.up ? -1 : 1;
aria$1.focusNode(aria$1.getSibling(target, distance, `.${nsCascader.e("suggestion-item")}[tabindex="-1"]`));
break;
}
case aria.EVENT_CODE.enter:
case aria.EVENT_CODE.numpadEnter:
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 = lodashUnified.debounce(() => {
const { value } = searchKeyword;
if (!value)
return;
const passed = props.beforeFilter(value);
if (shared.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(core.useCssVar(nsInput.cssVarName("input-height"), inputInner).value) - 2;
vue.watch(filtering, updatePopperPosition);
vue.watch([checkedNodes, isDisabled, () => props.collapseTags], calculatePresentTags);
vue.watch(presentTags, () => {
vue.nextTick(() => updateStyle());
});
vue.watch(realSize, async () => {
await vue.nextTick();
const inputInner = input.value.input;
inputInitialHeight = getInputInnerHeight(inputInner) || inputInitialHeight;
updateStyle();
});
vue.watch(presentText, syncPresentTextValue, { immediate: true });
vue.onMounted(() => {
const inputInner = input.value.input;
const inputInnerHeight = getInputInnerHeight(inputInner);
inputInitialHeight = inputInner.offsetHeight || inputInnerHeight;
core.useResizeObserver(inputInner, updateStyle);
});
expose({
getCheckedNodes,
cascaderPanelRef,
togglePopperVisible,
contentRef,
presentText
});
return (_ctx, _cache) => {
return vue.openBlock(), vue.createBlock(vue.unref(index$4.ElTooltip), {
ref_key: "tooltipRef",
ref: tooltipRef,
visible: popperVisible.value,
teleported: _ctx.teleported,
"popper-class": [vue.unref(nsCascader).e("dropdown"), _ctx.popperClass],
"popper-options": popperOptions,
"fallback-placements": _ctx.fallbackPlacements,
"stop-popper-mouse-event": false,
"gpu-acceleration": false,
placement: _ctx.placement,
transition: `${vue.unref(nsCascader).namespace.value}-zoom-in-top`,
effect: "light",
pure: "",
persistent: _ctx.persistent,
onHide: hideSuggestionPanel
}, {
default: vue.withCtx(() => [
vue.withDirectives((vue.openBlock(), vue.createElementBlock("div", {
class: vue.normalizeClass(vue.unref(cascaderKls)),
style: vue.normalizeStyle(vue.unref(cascaderStyle)),
onClick: () => togglePopperVisible(vue.unref(readonly) ? void 0 : true),
onKeydown: handleKeyDown,
onMouseenter: ($event) => inputHover.value = true,
onMouseleave: ($event) => inputHover.value = false
}, [
vue.createVNode(vue.unref(index$5.ElInput), {
ref_key: "input",
ref: input,
modelValue: inputValue.value,
"onUpdate:modelValue": ($event) => inputValue.value = $event,
placeholder: vue.unref(currentPlaceholder),
readonly: vue.unref(readonly),
disabled: vue.unref(isDisabled),
"validate-event": false,
size: vue.unref(realSize),
class: vue.normalizeClass(vue.unref(inputClass)),
tabindex: vue.unref(multiple) && _ctx.filterable && !vue.unref(isDisabled) ? -1 : void 0,
onCompositionstart: vue.unref(handleComposition),
onCompositionupdate: vue.unref(handleComposition),
onCompositionend: vue.unref(handleComposition),
onFocus: handleFocus,
onBlur: handleBlur,
onInput: handleInput
}, vue.createSlots({
suffix: vue.withCtx(() => [
vue.unref(clearBtnVisible) ? (vue.openBlock(), vue.createBlock(vue.unref(index$6.ElIcon), {
key: "clear",
class: vue.normalizeClass([vue.unref(nsInput).e("icon"), "icon-circle-close"]),
onClick: vue.withModifiers(handleClear, ["stop"])
}, {
default: vue.withCtx(() => [
vue.createVNode(vue.unref(iconsVue.CircleClose))
]),
_: 1
}, 8, ["class", "onClick"])) : (vue.openBlock(), vue.createBlock(vue.unref(index$6.ElIcon), {
key: "arrow-down",
class: vue.normalizeClass(vue.unref(cascaderIconKls)),
onClick: vue.withModifiers(($event) => togglePopperVisible(), ["stop"])
}, {
default: vue.withCtx(() => [
vue.createVNode(vue.unref(iconsVue.ArrowDown))
]),
_: 1
}, 8, ["class", "onClick"]))
]),
_: 2
}, [
_ctx.$slots.prefix ? {
name: "prefix",
fn: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "prefix")
])
} : void 0
]), 1032, ["modelValue", "onUpdate:modelValue", "placeholder", "readonly", "disabled", "size", "class", "tabindex", "onCompositionstart", "onCompositionupdate", "onCompositionend"]),
vue.unref(multiple) ? (vue.openBlock(), vue.createElementBlock("div", {
key: 0,
ref_key: "tagWrapper",
ref: tagWrapper,
class: vue.normalizeClass([
vue.unref(nsCascader).e("tags"),
vue.unref(nsCascader).is("validate", Boolean(vue.unref(validateState)))
])
}, [
(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList(presentTags.value, (tag) => {
return vue.openBlock(), vue.createBlock(vue.unref(index$7.ElTag), {
key: tag.key,
type: _ctx.tagType,
size: vue.unref(tagSize),
effect: _ctx.tagEffect,
hit: tag.hitState,
closable: tag.closable,
"disable-transitions": "",
onClose: ($event) => deleteTag(tag)
}, {
default: vue.withCtx(() => [
tag.isCollapseTag === false ? (vue.openBlock(), vue.createElementBlock("span", { key: 0 }, vue.toDisplayString(tag.text), 1)) : (vue.openBlock(), vue.createBlock(vue.unref(index$4.ElTooltip), {
key: 1,
disabled: popperVisible.value || !_ctx.collapseTagsTooltip,
"fallback-placements": ["bottom", "top", "right", "left"],
placement: "bottom",
effect: "light"
}, {
default: vue.withCtx(() => [
vue.createElementVNode("span", null, vue.toDisplayString(tag.text), 1)
]),
content: vue.withCtx(() => [
vue.createElementVNode("div", {
class: vue.normalizeClass(vue.unref(nsCascader).e("collapse-tags"))
}, [
(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList(allPresentTags.value.slice(_ctx.maxCollapseTags), (tag2, idx) => {
return vue.openBlock(), vue.createElementBlock("div", {
key: idx,
class: vue.normalizeClass(vue.unref(nsCascader).e("collapse-tag"))
}, [
(vue.openBlock(), vue.createBlock(vue.unref(index$7.ElTag), {
key: tag2.key,
class: "in-tooltip",
type: _ctx.tagType,
size: vue.unref(tagSize),
effect: _ctx.tagEffect,
hit: tag2.hitState,
closable: tag2.closable,
"disable-transitions": "",
onClose: ($event) => deleteTag(tag2)
}, {
default: vue.withCtx(() => [
vue.createElementVNode("span", null, vue.toDisplayString(tag2.text), 1)
]),
_: 2
}, 1032, ["type", "size", "effect", "hit", "closable", "onClose"]))
], 2);
}), 128))
], 2)
]),
_: 2
}, 1032, ["disabled"]))
]),
_: 2
}, 1032, ["type", "size", "effect", "hit", "closable", "onClose"]);
}), 128)),
_ctx.filterable && !vue.unref(isDisabled) ? vue.withDirectives((vue.openBlock(), vue.createElementBlock("input", {
key: 0,
"onUpdate:modelValue": ($event) => searchInputValue.value = $event,
type: "text",
class: vue.normalizeClass(vue.unref(nsCascader).e("search-input")),
placeholder: vue.unref(presentText) ? "" : vue.unref(inputPlaceholder),
onInput: (e) => handleInput(searchInputValue.value, e),
onClick: vue.withModifiers(($event) => togglePopperVisible(true), ["stop"]),
onKeydown: vue.withKeys(handleDelete, ["delete"]),
onCompositionstart: vue.unref(handleComposition),
onCompositionupdate: vue.unref(handleComposition),
onCompositionend: vue.unref(handleComposition),
onFocus: handleFocus,
onBlur: handleBlur
}, null, 42, ["onUpdate:modelValue", "placeholder", "onInput", "onClick", "onKeydown", "onCompositionstart", "onCompositionupdate", "onCompositionend"])), [
[vue.vModelText, searchInputValue.value]
]) : vue.createCommentVNode("v-if", true)
], 2)) : vue.createCommentVNode("v-if", true)
], 46, ["onClick", "onMouseenter", "onMouseleave"])), [
[vue.unref(index$8["default"]), () => togglePopperVisible(false), vue.unref(contentRef)]
])
]),
content: vue.withCtx(() => [
vue.withDirectives(vue.createVNode(vue.unref(index$9.ElCascaderPanel), {
ref_key: "cascaderPanelRef",
ref: cascaderPanelRef,
modelValue: vue.unref(checkedValue),
"onUpdate:modelValue": ($event) => vue.isRef(checkedValue) ? checkedValue.value = $event : null,
options: _ctx.options,
props: props.props,
border: false,
"render-label": _ctx.$slots.default,
onExpandChange: handleExpandChange,
onClose: ($event) => _ctx.$nextTick(() => togglePopperVisible(false))
}, {
empty: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "empty")
]),
_: 3
}, 8, ["modelValue", "onUpdate:modelValue", "options", "props", "render-label", "onClose"]), [
[vue.vShow, !filtering.value]
]),
_ctx.filterable ? vue.withDirectives((vue.openBlock(), vue.createBlock(vue.unref(index$a.ElScrollbar), {
key: 0,
ref_key: "suggestionPanel",
ref: suggestionPanel,
tag: "ul",
class: vue.normalizeClass(vue.unref(nsCascader).e("suggestion-panel")),
"view-class": vue.unref(nsCascader).e("suggestion-list"),
onKeydown: handleSuggestionKeyDown
}, {
default: vue.withCtx(() => [
suggestions.value.length ? (vue.openBlock(true), vue.createElementBlock(vue.Fragment, { key: 0 }, vue.renderList(suggestions.value, (item) => {
return vue.openBlock(), vue.createElementBlock("li", {
key: item.uid,
class: vue.normalizeClass([
vue.unref(nsCascader).e("suggestion-item"),
vue.unref(nsCascader).is("checked", item.checked)
]),
tabindex: -1,
onClick: ($event) => handleSuggestionClick(item)
}, [
vue.renderSlot(_ctx.$slots, "suggestion-item", { item }, () => [
vue.createElementVNode("span", null, vue.toDisplayString(item.text), 1),
item.checked ? (vue.openBlock(), vue.createBlock(vue.unref(index$6.ElIcon), { key: 0 }, {
default: vue.withCtx(() => [
vue.createVNode(vue.unref(iconsVue.Check))
]),
_: 1
})) : vue.createCommentVNode("v-if", true)
])
], 10, ["onClick"]);
}), 128)) : vue.renderSlot(_ctx.$slots, "empty", { key: 1 }, () => [
vue.createElementVNode("li", {
class: vue.normalizeClass(vue.unref(nsCascader).e("empty-text"))
}, vue.toDisplayString(vue.unref(t)("el.cascader.noMatch")), 3)
])
]),
_: 3
}, 8, ["class", "view-class"])), [
[vue.vShow, filtering.value]
]) : vue.createCommentVNode("v-if", true)
]),
_: 3
}, 8, ["visible", "teleported", "popper-class", "fallback-placements", "placement", "transition", "persistent"]);
};
}
});
var Cascader = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["__file", "cascader.vue"]]);
exports["default"] = Cascader;
//# sourceMappingURL=cascader2.js.map